mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
5062 lines
176 KiB
C
5062 lines
176 KiB
C
/*
|
|
* The simplest mpeg encoder (well, it was the simplest!)
|
|
* Copyright (c) 2000,2001 Fabrice Bellard.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* 4MV & hq & b-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
|
|
*/
|
|
|
|
/**
|
|
* @file mpegvideo.c
|
|
* The simplest mpeg encoder (well, it was the simplest!).
|
|
*/
|
|
|
|
#include <limits.h>
|
|
#include "avcodec.h"
|
|
#include "dsputil.h"
|
|
#include "mpegvideo.h"
|
|
#include "faandct.h"
|
|
|
|
#ifdef USE_FASTMEMCPY
|
|
#include "fastmemcpy.h"
|
|
#endif
|
|
|
|
//#undef NDEBUG
|
|
//#include <assert.h>
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
static void encode_picture(MpegEncContext *s, int picture_number);
|
|
#endif //CONFIG_ENCODERS
|
|
static void dct_unquantize_mpeg1_c(MpegEncContext *s,
|
|
DCTELEM *block, int n, int qscale);
|
|
static void dct_unquantize_mpeg2_c(MpegEncContext *s,
|
|
DCTELEM *block, int n, int qscale);
|
|
static void dct_unquantize_h263_c(MpegEncContext *s,
|
|
DCTELEM *block, int n, int qscale);
|
|
static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w);
|
|
#ifdef CONFIG_ENCODERS
|
|
static int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
|
|
static int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
|
|
static int sse_mb(MpegEncContext *s);
|
|
#endif //CONFIG_ENCODERS
|
|
|
|
#ifdef HAVE_XVMC
|
|
extern int XVMC_field_start(MpegEncContext*s, AVCodecContext *avctx);
|
|
extern void XVMC_field_end(MpegEncContext *s);
|
|
extern void XVMC_decode_mb(MpegEncContext *s);
|
|
#endif
|
|
|
|
void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w)= draw_edges_c;
|
|
|
|
|
|
/* enable all paranoid tests for rounding, overflows, etc... */
|
|
//#define PARANOID
|
|
|
|
//#define DEBUG
|
|
|
|
|
|
/* for jpeg fast DCT */
|
|
#define CONST_BITS 14
|
|
|
|
static const uint16_t aanscales[64] = {
|
|
/* precomputed values scaled up by 14 bits */
|
|
16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
|
|
22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270,
|
|
21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906,
|
|
19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315,
|
|
16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
|
|
12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552,
|
|
8867 , 12299, 11585, 10426, 8867, 6967, 4799, 2446,
|
|
4520 , 6270, 5906, 5315, 4520, 3552, 2446, 1247
|
|
};
|
|
|
|
static const uint8_t h263_chroma_roundtab[16] = {
|
|
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
|
|
0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
|
|
};
|
|
|
|
static const uint8_t ff_default_chroma_qscale_table[32]={
|
|
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31
|
|
};
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
static uint8_t (*default_mv_penalty)[MAX_MV*2+1]=NULL;
|
|
static uint8_t default_fcode_tab[MAX_MV*2+1];
|
|
|
|
enum PixelFormat ff_yuv420p_list[2]= {PIX_FMT_YUV420P, -1};
|
|
|
|
static void convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
|
|
const uint16_t *quant_matrix, int bias, int qmin, int qmax)
|
|
{
|
|
int qscale;
|
|
|
|
for(qscale=qmin; qscale<=qmax; qscale++){
|
|
int i;
|
|
if (dsp->fdct == ff_jpeg_fdct_islow
|
|
#ifdef FAAN_POSTSCALE
|
|
|| dsp->fdct == ff_faandct
|
|
#endif
|
|
) {
|
|
for(i=0;i<64;i++) {
|
|
const int j= dsp->idct_permutation[i];
|
|
/* 16 <= qscale * quant_matrix[i] <= 7905 */
|
|
/* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
|
|
/* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
|
|
/* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
|
|
|
|
qmat[qscale][i] = (int)((uint64_t_C(1) << QMAT_SHIFT) /
|
|
(qscale * quant_matrix[j]));
|
|
}
|
|
} else if (dsp->fdct == fdct_ifast
|
|
#ifndef FAAN_POSTSCALE
|
|
|| dsp->fdct == ff_faandct
|
|
#endif
|
|
) {
|
|
for(i=0;i<64;i++) {
|
|
const int j= dsp->idct_permutation[i];
|
|
/* 16 <= qscale * quant_matrix[i] <= 7905 */
|
|
/* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
|
|
/* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
|
|
/* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
|
|
|
|
qmat[qscale][i] = (int)((uint64_t_C(1) << (QMAT_SHIFT + 14)) /
|
|
(aanscales[i] * qscale * quant_matrix[j]));
|
|
}
|
|
} else {
|
|
for(i=0;i<64;i++) {
|
|
const int j= dsp->idct_permutation[i];
|
|
/* We can safely suppose that 16 <= quant_matrix[i] <= 255
|
|
So 16 <= qscale * quant_matrix[i] <= 7905
|
|
so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
|
|
so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
|
|
*/
|
|
qmat[qscale][i] = (int)((uint64_t_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
|
|
// qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
|
|
qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
|
|
|
|
if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
|
|
qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void update_qscale(MpegEncContext *s){
|
|
s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
|
|
s->qscale= clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
|
|
|
|
s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
|
|
}
|
|
#endif //CONFIG_ENCODERS
|
|
|
|
void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_scantable){
|
|
int i;
|
|
int end;
|
|
|
|
st->scantable= src_scantable;
|
|
|
|
for(i=0; i<64; i++){
|
|
int j;
|
|
j = src_scantable[i];
|
|
st->permutated[i] = permutation[j];
|
|
#ifdef ARCH_POWERPC
|
|
st->inverse[j] = i;
|
|
#endif
|
|
}
|
|
|
|
end=-1;
|
|
for(i=0; i<64; i++){
|
|
int j;
|
|
j = st->permutated[i];
|
|
if(j>end) end=j;
|
|
st->raster_end[i]= end;
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
void ff_write_quant_matrix(PutBitContext *pb, int16_t *matrix){
|
|
int i;
|
|
|
|
if(matrix){
|
|
put_bits(pb, 1, 1);
|
|
for(i=0;i<64;i++) {
|
|
put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
|
|
}
|
|
}else
|
|
put_bits(pb, 1, 0);
|
|
}
|
|
#endif //CONFIG_ENCODERS
|
|
|
|
/* init common dct for both encoder and decoder */
|
|
int DCT_common_init(MpegEncContext *s)
|
|
{
|
|
s->dct_unquantize_h263 = dct_unquantize_h263_c;
|
|
s->dct_unquantize_mpeg1 = dct_unquantize_mpeg1_c;
|
|
s->dct_unquantize_mpeg2 = dct_unquantize_mpeg2_c;
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
s->dct_quantize= dct_quantize_c;
|
|
#endif
|
|
|
|
#ifdef HAVE_MMX
|
|
MPV_common_init_mmx(s);
|
|
#endif
|
|
#ifdef ARCH_ALPHA
|
|
MPV_common_init_axp(s);
|
|
#endif
|
|
#ifdef HAVE_MLIB
|
|
MPV_common_init_mlib(s);
|
|
#endif
|
|
#ifdef HAVE_MMI
|
|
MPV_common_init_mmi(s);
|
|
#endif
|
|
#ifdef ARCH_ARMV4L
|
|
MPV_common_init_armv4l(s);
|
|
#endif
|
|
#ifdef ARCH_POWERPC
|
|
MPV_common_init_ppc(s);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
s->fast_dct_quantize= s->dct_quantize;
|
|
|
|
if(s->flags&CODEC_FLAG_TRELLIS_QUANT){
|
|
s->dct_quantize= dct_quantize_trellis_c; //move before MPV_common_init_*
|
|
}
|
|
|
|
#endif //CONFIG_ENCODERS
|
|
|
|
/* load & permutate scantables
|
|
note: only wmv uses differnt ones
|
|
*/
|
|
ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_zigzag_direct);
|
|
ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_zigzag_direct);
|
|
ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan);
|
|
ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan);
|
|
|
|
s->picture_structure= PICT_FRAME;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void copy_picture(Picture *dst, Picture *src){
|
|
*dst = *src;
|
|
dst->type= FF_BUFFER_TYPE_COPY;
|
|
}
|
|
|
|
/**
|
|
* allocates a Picture
|
|
* The pixels are allocated/set by calling get_buffer() if shared=0
|
|
*/
|
|
static int alloc_picture(MpegEncContext *s, Picture *pic, int shared){
|
|
const int big_mb_num= s->mb_stride*(s->mb_height+1) + 1; //the +1 is needed so memset(,,stride*height) doesnt sig11
|
|
const int mb_array_size= s->mb_stride*s->mb_height;
|
|
const int b8_array_size= s->b8_stride*s->mb_height*2;
|
|
const int b4_array_size= s->b4_stride*s->mb_height*4;
|
|
int i;
|
|
|
|
if(shared){
|
|
assert(pic->data[0]);
|
|
assert(pic->type == 0 || pic->type == FF_BUFFER_TYPE_SHARED);
|
|
pic->type= FF_BUFFER_TYPE_SHARED;
|
|
}else{
|
|
int r;
|
|
|
|
assert(!pic->data[0]);
|
|
|
|
r= s->avctx->get_buffer(s->avctx, (AVFrame*)pic);
|
|
|
|
if(r<0 || !pic->age || !pic->type || !pic->data[0]){
|
|
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %d %d %p)\n", r, pic->age, pic->type, pic->data[0]);
|
|
return -1;
|
|
}
|
|
|
|
if(s->linesize && (s->linesize != pic->linesize[0] || s->uvlinesize != pic->linesize[1])){
|
|
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (stride changed)\n");
|
|
return -1;
|
|
}
|
|
|
|
if(pic->linesize[1] != pic->linesize[2]){
|
|
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (uv stride missmatch)\n");
|
|
return -1;
|
|
}
|
|
|
|
s->linesize = pic->linesize[0];
|
|
s->uvlinesize= pic->linesize[1];
|
|
}
|
|
|
|
if(pic->qscale_table==NULL){
|
|
if (s->encoding) {
|
|
CHECKED_ALLOCZ(pic->mb_var , mb_array_size * sizeof(int16_t))
|
|
CHECKED_ALLOCZ(pic->mc_mb_var, mb_array_size * sizeof(int16_t))
|
|
CHECKED_ALLOCZ(pic->mb_mean , mb_array_size * sizeof(int8_t))
|
|
}
|
|
|
|
CHECKED_ALLOCZ(pic->mbskip_table , mb_array_size * sizeof(uint8_t)+2) //the +2 is for the slice end check
|
|
CHECKED_ALLOCZ(pic->qscale_table , mb_array_size * sizeof(uint8_t))
|
|
CHECKED_ALLOCZ(pic->mb_type_base , big_mb_num * sizeof(int))
|
|
pic->mb_type= pic->mb_type_base + s->mb_stride+1;
|
|
if(s->out_format == FMT_H264){
|
|
for(i=0; i<2; i++){
|
|
CHECKED_ALLOCZ(pic->motion_val_base[i], 2 * (b4_array_size+1) * sizeof(uint16_t))
|
|
pic->motion_val[i]= pic->motion_val_base[i]+1;
|
|
CHECKED_ALLOCZ(pic->ref_index[i] , b8_array_size * sizeof(uint8_t))
|
|
}
|
|
}else if(s->out_format == FMT_H263){
|
|
for(i=0; i<2; i++){
|
|
CHECKED_ALLOCZ(pic->motion_val_base[i], 2 * (b8_array_size+1) * sizeof(uint16_t))
|
|
pic->motion_val[i]= pic->motion_val_base[i]+1;
|
|
}
|
|
}
|
|
pic->qstride= s->mb_stride;
|
|
CHECKED_ALLOCZ(pic->pan_scan , 1 * sizeof(AVPanScan))
|
|
}
|
|
|
|
//it might be nicer if the application would keep track of these but it would require a API change
|
|
memmove(s->prev_pict_types+1, s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE-1);
|
|
s->prev_pict_types[0]= s->pict_type;
|
|
if(pic->age < PREV_PICT_TYPES_BUFFER_SIZE && s->prev_pict_types[pic->age] == B_TYPE)
|
|
pic->age= INT_MAX; // skiped MBs in b frames are quite rare in mpeg1/2 and its a bit tricky to skip them anyway
|
|
|
|
return 0;
|
|
fail: //for the CHECKED_ALLOCZ macro
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* deallocates a picture
|
|
*/
|
|
static void free_picture(MpegEncContext *s, Picture *pic){
|
|
int i;
|
|
|
|
if(pic->data[0] && pic->type!=FF_BUFFER_TYPE_SHARED){
|
|
s->avctx->release_buffer(s->avctx, (AVFrame*)pic);
|
|
}
|
|
|
|
av_freep(&pic->mb_var);
|
|
av_freep(&pic->mc_mb_var);
|
|
av_freep(&pic->mb_mean);
|
|
av_freep(&pic->mbskip_table);
|
|
av_freep(&pic->qscale_table);
|
|
av_freep(&pic->mb_type_base);
|
|
av_freep(&pic->pan_scan);
|
|
pic->mb_type= NULL;
|
|
for(i=0; i<2; i++){
|
|
av_freep(&pic->motion_val_base[i]);
|
|
av_freep(&pic->ref_index[i]);
|
|
}
|
|
|
|
if(pic->type == FF_BUFFER_TYPE_SHARED){
|
|
for(i=0; i<4; i++){
|
|
pic->base[i]=
|
|
pic->data[i]= NULL;
|
|
}
|
|
pic->type= 0;
|
|
}
|
|
}
|
|
|
|
/* init common structure for both encoder and decoder */
|
|
int MPV_common_init(MpegEncContext *s)
|
|
{
|
|
int y_size, c_size, yc_size, i, mb_array_size, x, y;
|
|
|
|
dsputil_init(&s->dsp, s->avctx);
|
|
DCT_common_init(s);
|
|
|
|
s->flags= s->avctx->flags;
|
|
|
|
s->mb_width = (s->width + 15) / 16;
|
|
s->mb_height = (s->height + 15) / 16;
|
|
s->mb_stride = s->mb_width + 1;
|
|
s->b8_stride = s->mb_width*2 + 1;
|
|
s->b4_stride = s->mb_width*4 + 1;
|
|
mb_array_size= s->mb_height * s->mb_stride;
|
|
|
|
/* set default edge pos, will be overriden in decode_header if needed */
|
|
s->h_edge_pos= s->mb_width*16;
|
|
s->v_edge_pos= s->mb_height*16;
|
|
|
|
s->mb_num = s->mb_width * s->mb_height;
|
|
|
|
s->block_wrap[0]=
|
|
s->block_wrap[1]=
|
|
s->block_wrap[2]=
|
|
s->block_wrap[3]= s->mb_width*2 + 2;
|
|
s->block_wrap[4]=
|
|
s->block_wrap[5]= s->mb_width + 2;
|
|
|
|
s->y_dc_scale_table=
|
|
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
|
|
s->chroma_qscale_table= ff_default_chroma_qscale_table;
|
|
s->progressive_sequence=
|
|
s->progressive_frame= 1;
|
|
|
|
y_size = (2 * s->mb_width + 2) * (2 * s->mb_height + 2);
|
|
c_size = (s->mb_width + 2) * (s->mb_height + 2);
|
|
yc_size = y_size + 2 * c_size;
|
|
|
|
/* convert fourcc to upper case */
|
|
s->avctx->codec_tag= toupper( s->avctx->codec_tag &0xFF)
|
|
+ (toupper((s->avctx->codec_tag>>8 )&0xFF)<<8 )
|
|
+ (toupper((s->avctx->codec_tag>>16)&0xFF)<<16)
|
|
+ (toupper((s->avctx->codec_tag>>24)&0xFF)<<24);
|
|
|
|
s->avctx->stream_codec_tag= toupper( s->avctx->stream_codec_tag &0xFF)
|
|
+ (toupper((s->avctx->stream_codec_tag>>8 )&0xFF)<<8 )
|
|
+ (toupper((s->avctx->stream_codec_tag>>16)&0xFF)<<16)
|
|
+ (toupper((s->avctx->stream_codec_tag>>24)&0xFF)<<24);
|
|
|
|
CHECKED_ALLOCZ(s->allocated_edge_emu_buffer, (s->width+64)*2*17*2); //(width + edge + align)*interlaced*MBsize*tolerance
|
|
s->edge_emu_buffer= s->allocated_edge_emu_buffer + (s->width+64)*2*17;
|
|
|
|
s->avctx->coded_frame= (AVFrame*)&s->current_picture;
|
|
|
|
CHECKED_ALLOCZ(s->mb_index2xy, (s->mb_num+1)*sizeof(int)) //error ressilience code looks cleaner with this
|
|
for(y=0; y<s->mb_height; y++){
|
|
for(x=0; x<s->mb_width; x++){
|
|
s->mb_index2xy[ x + y*s->mb_width ] = x + y*s->mb_stride;
|
|
}
|
|
}
|
|
s->mb_index2xy[ s->mb_height*s->mb_width ] = (s->mb_height-1)*s->mb_stride + s->mb_width; //FIXME really needed?
|
|
|
|
if (s->encoding) {
|
|
int mv_table_size= s->mb_stride * (s->mb_height+2) + 1;
|
|
|
|
/* Allocate MV tables */
|
|
CHECKED_ALLOCZ(s->p_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
|
|
CHECKED_ALLOCZ(s->b_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
|
|
CHECKED_ALLOCZ(s->b_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
|
|
CHECKED_ALLOCZ(s->b_bidir_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
|
|
CHECKED_ALLOCZ(s->b_bidir_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
|
|
CHECKED_ALLOCZ(s->b_direct_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
|
|
s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
|
|
s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
|
|
s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
|
|
s->b_bidir_forw_mv_table= s->b_bidir_forw_mv_table_base + s->mb_stride + 1;
|
|
s->b_bidir_back_mv_table= s->b_bidir_back_mv_table_base + s->mb_stride + 1;
|
|
s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
|
|
|
|
//FIXME should be linesize instead of s->width*2 but that isnt known before get_buffer()
|
|
CHECKED_ALLOCZ(s->me.scratchpad, s->width*2*16*3*sizeof(uint8_t))
|
|
|
|
CHECKED_ALLOCZ(s->me.map , ME_MAP_SIZE*sizeof(uint32_t))
|
|
CHECKED_ALLOCZ(s->me.score_map, ME_MAP_SIZE*sizeof(uint32_t))
|
|
|
|
if(s->codec_id==CODEC_ID_MPEG4){
|
|
CHECKED_ALLOCZ(s->tex_pb_buffer, PB_BUFFER_SIZE);
|
|
CHECKED_ALLOCZ( s->pb2_buffer, PB_BUFFER_SIZE);
|
|
}
|
|
|
|
if(s->msmpeg4_version){
|
|
CHECKED_ALLOCZ(s->ac_stats, 2*2*(MAX_LEVEL+1)*(MAX_RUN+1)*2*sizeof(int));
|
|
}
|
|
CHECKED_ALLOCZ(s->avctx->stats_out, 256);
|
|
|
|
/* Allocate MB type table */
|
|
CHECKED_ALLOCZ(s->mb_type , mb_array_size * sizeof(uint8_t)) //needed for encoding
|
|
|
|
CHECKED_ALLOCZ(s->lambda_table, mb_array_size * sizeof(int))
|
|
|
|
CHECKED_ALLOCZ(s->q_intra_matrix, 64*32 * sizeof(int))
|
|
CHECKED_ALLOCZ(s->q_inter_matrix, 64*32 * sizeof(int))
|
|
CHECKED_ALLOCZ(s->q_intra_matrix16, 64*32*2 * sizeof(uint16_t))
|
|
CHECKED_ALLOCZ(s->q_inter_matrix16, 64*32*2 * sizeof(uint16_t))
|
|
CHECKED_ALLOCZ(s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture*))
|
|
CHECKED_ALLOCZ(s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture*))
|
|
|
|
if(s->avctx->noise_reduction){
|
|
CHECKED_ALLOCZ(s->dct_error_sum, 2 * 64 * sizeof(int))
|
|
CHECKED_ALLOCZ(s->dct_offset, 2 * 64 * sizeof(uint16_t))
|
|
}
|
|
}
|
|
CHECKED_ALLOCZ(s->blocks, 64*6*2 * sizeof(DCTELEM))
|
|
|
|
CHECKED_ALLOCZ(s->picture, MAX_PICTURE_COUNT * sizeof(Picture))
|
|
|
|
CHECKED_ALLOCZ(s->error_status_table, mb_array_size*sizeof(uint8_t))
|
|
|
|
if (s->out_format == FMT_H263 || s->encoding || (s->avctx->debug&FF_DEBUG_VIS_MV)) {
|
|
int size;
|
|
|
|
/* MV prediction */
|
|
size = (2 * s->mb_width + 2) * (2 * s->mb_height + 2);
|
|
CHECKED_ALLOCZ(s->motion_val, size * 2 * sizeof(int16_t));
|
|
}
|
|
|
|
if(s->codec_id==CODEC_ID_MPEG4){
|
|
/* interlaced direct mode decoding tables */
|
|
CHECKED_ALLOCZ(s->field_mv_table, mb_array_size*2*2 * sizeof(int16_t))
|
|
CHECKED_ALLOCZ(s->field_select_table, mb_array_size*2* sizeof(int8_t))
|
|
}
|
|
if (s->out_format == FMT_H263) {
|
|
/* ac values */
|
|
CHECKED_ALLOCZ(s->ac_val[0], yc_size * sizeof(int16_t) * 16);
|
|
s->ac_val[1] = s->ac_val[0] + y_size;
|
|
s->ac_val[2] = s->ac_val[1] + c_size;
|
|
|
|
/* cbp values */
|
|
CHECKED_ALLOCZ(s->coded_block, y_size);
|
|
|
|
/* divx501 bitstream reorder buffer */
|
|
CHECKED_ALLOCZ(s->bitstream_buffer, BITSTREAM_BUFFER_SIZE);
|
|
|
|
/* cbp, ac_pred, pred_dir */
|
|
CHECKED_ALLOCZ(s->cbp_table , mb_array_size * sizeof(uint8_t))
|
|
CHECKED_ALLOCZ(s->pred_dir_table, mb_array_size * sizeof(uint8_t))
|
|
}
|
|
|
|
if (s->h263_pred || s->h263_plus || !s->encoding) {
|
|
/* dc values */
|
|
//MN: we need these for error resilience of intra-frames
|
|
CHECKED_ALLOCZ(s->dc_val[0], yc_size * sizeof(int16_t));
|
|
s->dc_val[1] = s->dc_val[0] + y_size;
|
|
s->dc_val[2] = s->dc_val[1] + c_size;
|
|
for(i=0;i<yc_size;i++)
|
|
s->dc_val[0][i] = 1024;
|
|
}
|
|
|
|
/* which mb is a intra block */
|
|
CHECKED_ALLOCZ(s->mbintra_table, mb_array_size);
|
|
memset(s->mbintra_table, 1, mb_array_size);
|
|
|
|
/* default structure is frame */
|
|
s->picture_structure = PICT_FRAME;
|
|
|
|
/* init macroblock skip table */
|
|
CHECKED_ALLOCZ(s->mbskip_table, mb_array_size+2);
|
|
//Note the +1 is for a quicker mpeg4 slice_end detection
|
|
CHECKED_ALLOCZ(s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE);
|
|
|
|
s->block= s->blocks[0];
|
|
|
|
for(i=0;i<12;i++){
|
|
s->pblocks[i] = (short *)(&s->block[i]);
|
|
}
|
|
|
|
s->parse_context.state= -1;
|
|
|
|
s->context_initialized = 1;
|
|
return 0;
|
|
fail:
|
|
MPV_common_end(s);
|
|
return -1;
|
|
}
|
|
|
|
|
|
//extern int sads;
|
|
|
|
/* init common structure for both encoder and decoder */
|
|
void MPV_common_end(MpegEncContext *s)
|
|
{
|
|
int i;
|
|
|
|
av_freep(&s->parse_context.buffer);
|
|
s->parse_context.buffer_size=0;
|
|
|
|
av_freep(&s->mb_type);
|
|
av_freep(&s->p_mv_table_base);
|
|
av_freep(&s->b_forw_mv_table_base);
|
|
av_freep(&s->b_back_mv_table_base);
|
|
av_freep(&s->b_bidir_forw_mv_table_base);
|
|
av_freep(&s->b_bidir_back_mv_table_base);
|
|
av_freep(&s->b_direct_mv_table_base);
|
|
s->p_mv_table= NULL;
|
|
s->b_forw_mv_table= NULL;
|
|
s->b_back_mv_table= NULL;
|
|
s->b_bidir_forw_mv_table= NULL;
|
|
s->b_bidir_back_mv_table= NULL;
|
|
s->b_direct_mv_table= NULL;
|
|
|
|
av_freep(&s->motion_val);
|
|
av_freep(&s->dc_val[0]);
|
|
av_freep(&s->ac_val[0]);
|
|
av_freep(&s->coded_block);
|
|
av_freep(&s->mbintra_table);
|
|
av_freep(&s->cbp_table);
|
|
av_freep(&s->pred_dir_table);
|
|
av_freep(&s->me.scratchpad);
|
|
av_freep(&s->me.map);
|
|
av_freep(&s->me.score_map);
|
|
|
|
av_freep(&s->mbskip_table);
|
|
av_freep(&s->prev_pict_types);
|
|
av_freep(&s->bitstream_buffer);
|
|
av_freep(&s->tex_pb_buffer);
|
|
av_freep(&s->pb2_buffer);
|
|
av_freep(&s->allocated_edge_emu_buffer); s->edge_emu_buffer= NULL;
|
|
av_freep(&s->field_mv_table);
|
|
av_freep(&s->field_select_table);
|
|
av_freep(&s->avctx->stats_out);
|
|
av_freep(&s->ac_stats);
|
|
av_freep(&s->error_status_table);
|
|
av_freep(&s->mb_index2xy);
|
|
av_freep(&s->lambda_table);
|
|
av_freep(&s->q_intra_matrix);
|
|
av_freep(&s->q_inter_matrix);
|
|
av_freep(&s->q_intra_matrix16);
|
|
av_freep(&s->q_inter_matrix16);
|
|
av_freep(&s->blocks);
|
|
av_freep(&s->input_picture);
|
|
av_freep(&s->reordered_input_picture);
|
|
av_freep(&s->dct_error_sum);
|
|
av_freep(&s->dct_offset);
|
|
|
|
if(s->picture){
|
|
for(i=0; i<MAX_PICTURE_COUNT; i++){
|
|
free_picture(s, &s->picture[i]);
|
|
}
|
|
}
|
|
av_freep(&s->picture);
|
|
avcodec_default_free_buffers(s->avctx);
|
|
s->context_initialized = 0;
|
|
s->last_picture_ptr=
|
|
s->next_picture_ptr=
|
|
s->current_picture_ptr= NULL;
|
|
}
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
|
|
/* init video encoder */
|
|
int MPV_encode_init(AVCodecContext *avctx)
|
|
{
|
|
MpegEncContext *s = avctx->priv_data;
|
|
int i, dummy;
|
|
int chroma_h_shift, chroma_v_shift;
|
|
|
|
avctx->pix_fmt = PIX_FMT_YUV420P; // FIXME
|
|
|
|
s->bit_rate = avctx->bit_rate;
|
|
s->bit_rate_tolerance = avctx->bit_rate_tolerance;
|
|
s->width = avctx->width;
|
|
s->height = avctx->height;
|
|
if(avctx->gop_size > 600){
|
|
av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
|
|
avctx->gop_size=600;
|
|
}
|
|
s->gop_size = avctx->gop_size;
|
|
s->max_qdiff= avctx->max_qdiff;
|
|
s->qcompress= avctx->qcompress;
|
|
s->qblur= avctx->qblur;
|
|
s->avctx = avctx;
|
|
s->flags= avctx->flags;
|
|
s->max_b_frames= avctx->max_b_frames;
|
|
s->b_frame_strategy= avctx->b_frame_strategy;
|
|
s->codec_id= avctx->codec->id;
|
|
s->luma_elim_threshold = avctx->luma_elim_threshold;
|
|
s->chroma_elim_threshold= avctx->chroma_elim_threshold;
|
|
s->strict_std_compliance= avctx->strict_std_compliance;
|
|
s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
|
|
s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
|
|
s->mpeg_quant= avctx->mpeg_quant;
|
|
s->rtp_mode= !!avctx->rtp_payload_size;
|
|
|
|
if (s->gop_size <= 1) {
|
|
s->intra_only = 1;
|
|
s->gop_size = 12;
|
|
} else {
|
|
s->intra_only = 0;
|
|
}
|
|
|
|
s->me_method = avctx->me_method;
|
|
|
|
/* Fixed QSCALE */
|
|
s->fixed_qscale = (avctx->flags & CODEC_FLAG_QSCALE);
|
|
|
|
s->adaptive_quant= ( s->avctx->lumi_masking
|
|
|| s->avctx->dark_masking
|
|
|| s->avctx->temporal_cplx_masking
|
|
|| s->avctx->spatial_cplx_masking
|
|
|| s->avctx->p_masking
|
|
|| (s->flags&CODEC_FLAG_QP_RD))
|
|
&& !s->fixed_qscale;
|
|
|
|
s->progressive_sequence= !(avctx->flags & CODEC_FLAG_INTERLACED_DCT);
|
|
|
|
s->obmc= (s->flags & CODEC_FLAG_OBMC);
|
|
s->loop_filter= (s->flags & CODEC_FLAG_LOOP_FILTER);
|
|
|
|
if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
|
|
&& s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
|
|
av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
|
|
return -1;
|
|
}
|
|
|
|
if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
|
|
av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decission\n");
|
|
return -1;
|
|
}
|
|
|
|
if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
|
|
av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
|
|
return -1;
|
|
}
|
|
|
|
if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
|
|
av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
|
|
return -1;
|
|
}
|
|
|
|
if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
|
|
av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
|
|
return -1;
|
|
}
|
|
|
|
if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
|
|
av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
|
|
return -1;
|
|
}
|
|
|
|
if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
|
|
av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supporetd by codec\n");
|
|
return -1;
|
|
}
|
|
|
|
if((s->flags & CODEC_FLAG_CBP_RD) && !(s->flags & CODEC_FLAG_TRELLIS_QUANT)){
|
|
av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
|
|
return -1;
|
|
}
|
|
|
|
if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
|
|
av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
|
|
return -1;
|
|
}
|
|
|
|
if(s->codec_id==CODEC_ID_MJPEG){
|
|
s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x
|
|
s->inter_quant_bias= 0;
|
|
}else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){
|
|
s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
|
|
s->inter_quant_bias= 0;
|
|
}else{
|
|
s->intra_quant_bias=0;
|
|
s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
|
|
}
|
|
|
|
if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
|
|
s->intra_quant_bias= avctx->intra_quant_bias;
|
|
if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
|
|
s->inter_quant_bias= avctx->inter_quant_bias;
|
|
|
|
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
|
|
|
|
av_reduce(&s->time_increment_resolution, &dummy, s->avctx->frame_rate, s->avctx->frame_rate_base, (1<<16)-1);
|
|
s->time_increment_bits = av_log2(s->time_increment_resolution - 1) + 1;
|
|
|
|
switch(avctx->codec->id) {
|
|
case CODEC_ID_MPEG1VIDEO:
|
|
s->out_format = FMT_MPEG1;
|
|
s->low_delay= 0; //s->max_b_frames ? 0 : 1;
|
|
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
|
|
break;
|
|
case CODEC_ID_MPEG2VIDEO:
|
|
s->out_format = FMT_MPEG1;
|
|
s->low_delay= 0; //s->max_b_frames ? 0 : 1;
|
|
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
|
|
s->rtp_mode= 1;
|
|
break;
|
|
case CODEC_ID_LJPEG:
|
|
case CODEC_ID_MJPEG:
|
|
s->out_format = FMT_MJPEG;
|
|
s->intra_only = 1; /* force intra only for jpeg */
|
|
s->mjpeg_write_tables = 1; /* write all tables */
|
|
s->mjpeg_data_only_frames = 0; /* write all the needed headers */
|
|
s->mjpeg_vsample[0] = 1<<chroma_v_shift;
|
|
s->mjpeg_vsample[1] = 1;
|
|
s->mjpeg_vsample[2] = 1;
|
|
s->mjpeg_hsample[0] = 1<<chroma_h_shift;
|
|
s->mjpeg_hsample[1] = 1;
|
|
s->mjpeg_hsample[2] = 1;
|
|
if (mjpeg_init(s) < 0)
|
|
return -1;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
#ifdef CONFIG_RISKY
|
|
case CODEC_ID_H263:
|
|
if (h263_get_picture_format(s->width, s->height) == 7) {
|
|
av_log(avctx, AV_LOG_INFO, "Input picture size isn't suitable for h263 codec! try h263+\n");
|
|
return -1;
|
|
}
|
|
s->out_format = FMT_H263;
|
|
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case CODEC_ID_H263P:
|
|
s->out_format = FMT_H263;
|
|
s->h263_plus = 1;
|
|
/* Fx */
|
|
s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
|
|
s->h263_aic= (avctx->flags & CODEC_FLAG_H263P_AIC) ? 1:0;
|
|
s->modified_quant= s->h263_aic;
|
|
s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
|
|
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
|
|
s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
|
|
s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
|
|
s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
|
|
if(s->modified_quant)
|
|
s->chroma_qscale_table= ff_h263_chroma_qscale_table;
|
|
|
|
/* /Fx */
|
|
/* These are just to be sure */
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case CODEC_ID_FLV1:
|
|
s->out_format = FMT_H263;
|
|
s->h263_flv = 2; /* format = 1; 11-bit codes */
|
|
s->unrestricted_mv = 1;
|
|
s->rtp_mode=0; /* don't allow GOB */
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case CODEC_ID_RV10:
|
|
s->out_format = FMT_H263;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case CODEC_ID_MPEG4:
|
|
s->out_format = FMT_H263;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->low_delay= s->max_b_frames ? 0 : 1;
|
|
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
|
|
break;
|
|
case CODEC_ID_MSMPEG4V1:
|
|
s->out_format = FMT_H263;
|
|
s->h263_msmpeg4 = 1;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->msmpeg4_version= 1;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case CODEC_ID_MSMPEG4V2:
|
|
s->out_format = FMT_H263;
|
|
s->h263_msmpeg4 = 1;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->msmpeg4_version= 2;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case CODEC_ID_MSMPEG4V3:
|
|
s->out_format = FMT_H263;
|
|
s->h263_msmpeg4 = 1;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->msmpeg4_version= 3;
|
|
s->flipflop_rounding=1;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case CODEC_ID_WMV1:
|
|
s->out_format = FMT_H263;
|
|
s->h263_msmpeg4 = 1;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->msmpeg4_version= 4;
|
|
s->flipflop_rounding=1;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case CODEC_ID_WMV2:
|
|
s->out_format = FMT_H263;
|
|
s->h263_msmpeg4 = 1;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->msmpeg4_version= 5;
|
|
s->flipflop_rounding=1;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
#endif
|
|
default:
|
|
return -1;
|
|
}
|
|
|
|
{ /* set up some save defaults, some codecs might override them later */
|
|
static int done=0;
|
|
if(!done){
|
|
int i;
|
|
done=1;
|
|
|
|
default_mv_penalty= av_mallocz( sizeof(uint8_t)*(MAX_FCODE+1)*(2*MAX_MV+1) );
|
|
memset(default_mv_penalty, 0, sizeof(uint8_t)*(MAX_FCODE+1)*(2*MAX_MV+1));
|
|
memset(default_fcode_tab , 0, sizeof(uint8_t)*(2*MAX_MV+1));
|
|
|
|
for(i=-16; i<16; i++){
|
|
default_fcode_tab[i + MAX_MV]= 1;
|
|
}
|
|
}
|
|
}
|
|
s->me.mv_penalty= default_mv_penalty;
|
|
s->fcode_tab= default_fcode_tab;
|
|
|
|
/* dont use mv_penalty table for crap MV as it would be confused */
|
|
//FIXME remove after fixing / removing old ME
|
|
if (s->me_method < ME_EPZS) s->me.mv_penalty = default_mv_penalty;
|
|
|
|
s->encoding = 1;
|
|
|
|
/* init */
|
|
if (MPV_common_init(s) < 0)
|
|
return -1;
|
|
|
|
ff_init_me(s);
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
#ifdef CONFIG_RISKY
|
|
if (s->out_format == FMT_H263)
|
|
h263_encode_init(s);
|
|
if(s->msmpeg4_version)
|
|
ff_msmpeg4_encode_init(s);
|
|
#endif
|
|
if (s->out_format == FMT_MPEG1)
|
|
ff_mpeg1_encode_init(s);
|
|
#endif
|
|
|
|
/* init default q matrix */
|
|
for(i=0;i<64;i++) {
|
|
int j= s->dsp.idct_permutation[i];
|
|
#ifdef CONFIG_RISKY
|
|
if(s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
|
|
s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
|
|
s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
|
|
}else if(s->out_format == FMT_H263){
|
|
s->intra_matrix[j] =
|
|
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
|
|
}else
|
|
#endif
|
|
{ /* mpeg1/2 */
|
|
s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
|
|
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
|
|
}
|
|
if(s->avctx->intra_matrix)
|
|
s->intra_matrix[j] = s->avctx->intra_matrix[i];
|
|
if(s->avctx->inter_matrix)
|
|
s->inter_matrix[j] = s->avctx->inter_matrix[i];
|
|
}
|
|
|
|
/* precompute matrix */
|
|
/* for mjpeg, we do include qscale in the matrix */
|
|
if (s->out_format != FMT_MJPEG) {
|
|
convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
|
|
s->intra_matrix, s->intra_quant_bias, 1, 31);
|
|
convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
|
|
s->inter_matrix, s->inter_quant_bias, 1, 31);
|
|
}
|
|
|
|
if(ff_rate_control_init(s) < 0)
|
|
return -1;
|
|
|
|
s->picture_number = 0;
|
|
s->picture_in_gop_number = 0;
|
|
s->fake_picture_number = 0;
|
|
/* motion detector init */
|
|
s->f_code = 1;
|
|
s->b_code = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int MPV_encode_end(AVCodecContext *avctx)
|
|
{
|
|
MpegEncContext *s = avctx->priv_data;
|
|
|
|
#ifdef STATS
|
|
print_stats();
|
|
#endif
|
|
|
|
ff_rate_control_uninit(s);
|
|
|
|
MPV_common_end(s);
|
|
if (s->out_format == FMT_MJPEG)
|
|
mjpeg_close(s);
|
|
|
|
av_freep(&avctx->extradata);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif //CONFIG_ENCODERS
|
|
|
|
void init_rl(RLTable *rl)
|
|
{
|
|
int8_t max_level[MAX_RUN+1], max_run[MAX_LEVEL+1];
|
|
uint8_t index_run[MAX_RUN+1];
|
|
int last, run, level, start, end, i;
|
|
|
|
/* compute max_level[], max_run[] and index_run[] */
|
|
for(last=0;last<2;last++) {
|
|
if (last == 0) {
|
|
start = 0;
|
|
end = rl->last;
|
|
} else {
|
|
start = rl->last;
|
|
end = rl->n;
|
|
}
|
|
|
|
memset(max_level, 0, MAX_RUN + 1);
|
|
memset(max_run, 0, MAX_LEVEL + 1);
|
|
memset(index_run, rl->n, MAX_RUN + 1);
|
|
for(i=start;i<end;i++) {
|
|
run = rl->table_run[i];
|
|
level = rl->table_level[i];
|
|
if (index_run[run] == rl->n)
|
|
index_run[run] = i;
|
|
if (level > max_level[run])
|
|
max_level[run] = level;
|
|
if (run > max_run[level])
|
|
max_run[level] = run;
|
|
}
|
|
rl->max_level[last] = av_malloc(MAX_RUN + 1);
|
|
memcpy(rl->max_level[last], max_level, MAX_RUN + 1);
|
|
rl->max_run[last] = av_malloc(MAX_LEVEL + 1);
|
|
memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1);
|
|
rl->index_run[last] = av_malloc(MAX_RUN + 1);
|
|
memcpy(rl->index_run[last], index_run, MAX_RUN + 1);
|
|
}
|
|
}
|
|
|
|
/* draw the edges of width 'w' of an image of size width, height */
|
|
//FIXME check that this is ok for mpeg4 interlaced
|
|
static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w)
|
|
{
|
|
uint8_t *ptr, *last_line;
|
|
int i;
|
|
|
|
last_line = buf + (height - 1) * wrap;
|
|
for(i=0;i<w;i++) {
|
|
/* top and bottom */
|
|
memcpy(buf - (i + 1) * wrap, buf, width);
|
|
memcpy(last_line + (i + 1) * wrap, last_line, width);
|
|
}
|
|
/* left and right */
|
|
ptr = buf;
|
|
for(i=0;i<height;i++) {
|
|
memset(ptr - w, ptr[0], w);
|
|
memset(ptr + width, ptr[width-1], w);
|
|
ptr += wrap;
|
|
}
|
|
/* corners */
|
|
for(i=0;i<w;i++) {
|
|
memset(buf - (i + 1) * wrap - w, buf[0], w); /* top left */
|
|
memset(buf - (i + 1) * wrap + width, buf[width-1], w); /* top right */
|
|
memset(last_line + (i + 1) * wrap - w, last_line[0], w); /* top left */
|
|
memset(last_line + (i + 1) * wrap + width, last_line[width-1], w); /* top right */
|
|
}
|
|
}
|
|
|
|
int ff_find_unused_picture(MpegEncContext *s, int shared){
|
|
int i;
|
|
|
|
if(shared){
|
|
for(i=0; i<MAX_PICTURE_COUNT; i++){
|
|
if(s->picture[i].data[0]==NULL && s->picture[i].type==0) return i;
|
|
}
|
|
}else{
|
|
for(i=0; i<MAX_PICTURE_COUNT; i++){
|
|
if(s->picture[i].data[0]==NULL && s->picture[i].type!=0) return i; //FIXME
|
|
}
|
|
for(i=0; i<MAX_PICTURE_COUNT; i++){
|
|
if(s->picture[i].data[0]==NULL) return i;
|
|
}
|
|
}
|
|
|
|
assert(0);
|
|
return -1;
|
|
}
|
|
|
|
static void update_noise_reduction(MpegEncContext *s){
|
|
int intra, i;
|
|
|
|
for(intra=0; intra<2; intra++){
|
|
if(s->dct_count[intra] > (1<<16)){
|
|
for(i=0; i<64; i++){
|
|
s->dct_error_sum[intra][i] >>=1;
|
|
}
|
|
s->dct_count[intra] >>= 1;
|
|
}
|
|
|
|
for(i=0; i<64; i++){
|
|
s->dct_offset[intra][i]= (s->avctx->noise_reduction * s->dct_count[intra] + s->dct_error_sum[intra][i]/2) / (s->dct_error_sum[intra][i]+1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* generic function for encode/decode called after coding/decoding the header and before a frame is coded/decoded
|
|
*/
|
|
int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
|
|
{
|
|
int i;
|
|
AVFrame *pic;
|
|
s->mb_skiped = 0;
|
|
|
|
assert(s->last_picture_ptr==NULL || s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3);
|
|
|
|
/* mark&release old frames */
|
|
if (s->pict_type != B_TYPE && s->last_picture_ptr && s->last_picture_ptr->data[0]) {
|
|
avctx->release_buffer(avctx, (AVFrame*)s->last_picture_ptr);
|
|
|
|
/* release forgotten pictures */
|
|
/* if(mpeg124/h263) */
|
|
if(!s->encoding){
|
|
for(i=0; i<MAX_PICTURE_COUNT; i++){
|
|
if(s->picture[i].data[0] && &s->picture[i] != s->next_picture_ptr && s->picture[i].reference){
|
|
av_log(avctx, AV_LOG_ERROR, "releasing zombie picture\n");
|
|
avctx->release_buffer(avctx, (AVFrame*)&s->picture[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
alloc:
|
|
if(!s->encoding){
|
|
/* release non refernce frames */
|
|
for(i=0; i<MAX_PICTURE_COUNT; i++){
|
|
if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
|
|
s->avctx->release_buffer(s->avctx, (AVFrame*)&s->picture[i]);
|
|
}
|
|
}
|
|
|
|
if(s->current_picture_ptr && s->current_picture_ptr->data[0]==NULL)
|
|
pic= (AVFrame*)s->current_picture_ptr; //we allready have a unused image (maybe it was set before reading the header)
|
|
else{
|
|
i= ff_find_unused_picture(s, 0);
|
|
pic= (AVFrame*)&s->picture[i];
|
|
}
|
|
|
|
pic->reference= s->pict_type != B_TYPE ? 3 : 0;
|
|
|
|
if(s->current_picture_ptr) //FIXME broken, we need a coded_picture_number in MpegEncContext
|
|
pic->coded_picture_number= s->current_picture_ptr->coded_picture_number+1;
|
|
|
|
if( alloc_picture(s, (Picture*)pic, 0) < 0)
|
|
return -1;
|
|
|
|
s->current_picture_ptr= (Picture*)pic;
|
|
s->current_picture_ptr->top_field_first= s->top_field_first; //FIXME use only the vars from current_pic
|
|
s->current_picture_ptr->interlaced_frame= !s->progressive_frame && !s->progressive_sequence;
|
|
}
|
|
|
|
s->current_picture_ptr->pict_type= s->pict_type;
|
|
// if(s->flags && CODEC_FLAG_QSCALE)
|
|
// s->current_picture_ptr->quality= s->new_picture_ptr->quality;
|
|
s->current_picture_ptr->key_frame= s->pict_type == I_TYPE;
|
|
|
|
copy_picture(&s->current_picture, s->current_picture_ptr);
|
|
|
|
if(s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3){
|
|
if (s->pict_type != B_TYPE) {
|
|
s->last_picture_ptr= s->next_picture_ptr;
|
|
s->next_picture_ptr= s->current_picture_ptr;
|
|
}
|
|
|
|
if(s->last_picture_ptr) copy_picture(&s->last_picture, s->last_picture_ptr);
|
|
if(s->next_picture_ptr) copy_picture(&s->next_picture, s->next_picture_ptr);
|
|
|
|
if(s->pict_type != I_TYPE && (s->last_picture_ptr==NULL || s->last_picture_ptr->data[0]==NULL)){
|
|
av_log(avctx, AV_LOG_ERROR, "warning: first frame is no keyframe\n");
|
|
assert(s->pict_type != B_TYPE); //these should have been dropped if we dont have a reference
|
|
goto alloc;
|
|
}
|
|
|
|
assert(s->pict_type == I_TYPE || (s->last_picture_ptr && s->last_picture_ptr->data[0]));
|
|
|
|
if(s->picture_structure!=PICT_FRAME){
|
|
int i;
|
|
for(i=0; i<4; i++){
|
|
if(s->picture_structure == PICT_BOTTOM_FIELD){
|
|
s->current_picture.data[i] += s->current_picture.linesize[i];
|
|
}
|
|
s->current_picture.linesize[i] *= 2;
|
|
s->last_picture.linesize[i] *=2;
|
|
s->next_picture.linesize[i] *=2;
|
|
}
|
|
}
|
|
}
|
|
|
|
s->hurry_up= s->avctx->hurry_up;
|
|
s->error_resilience= avctx->error_resilience;
|
|
|
|
/* set dequantizer, we cant do it during init as it might change for mpeg4
|
|
and we cant do it in the header decode as init isnt called for mpeg4 there yet */
|
|
if(s->mpeg_quant || s->codec_id == CODEC_ID_MPEG2VIDEO)
|
|
s->dct_unquantize = s->dct_unquantize_mpeg2;
|
|
else if(s->out_format == FMT_H263)
|
|
s->dct_unquantize = s->dct_unquantize_h263;
|
|
else
|
|
s->dct_unquantize = s->dct_unquantize_mpeg1;
|
|
|
|
if(s->dct_error_sum){
|
|
assert(s->avctx->noise_reduction && s->encoding);
|
|
|
|
update_noise_reduction(s);
|
|
}
|
|
|
|
#ifdef HAVE_XVMC
|
|
if(s->avctx->xvmc_acceleration)
|
|
return XVMC_field_start(s, avctx);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
/* generic function for encode/decode called after a frame has been coded/decoded */
|
|
void MPV_frame_end(MpegEncContext *s)
|
|
{
|
|
int i;
|
|
/* draw edge for correct motion prediction if outside */
|
|
#ifdef HAVE_XVMC
|
|
//just to make sure that all data is rendered.
|
|
if(s->avctx->xvmc_acceleration){
|
|
XVMC_field_end(s);
|
|
}else
|
|
#endif
|
|
if(s->unrestricted_mv && s->pict_type != B_TYPE && !s->intra_only && !(s->flags&CODEC_FLAG_EMU_EDGE)) {
|
|
draw_edges(s->current_picture.data[0], s->linesize , s->h_edge_pos , s->v_edge_pos , EDGE_WIDTH );
|
|
draw_edges(s->current_picture.data[1], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2);
|
|
draw_edges(s->current_picture.data[2], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2);
|
|
}
|
|
emms_c();
|
|
|
|
s->last_pict_type = s->pict_type;
|
|
if(s->pict_type!=B_TYPE){
|
|
s->last_non_b_pict_type= s->pict_type;
|
|
}
|
|
#if 0
|
|
/* copy back current_picture variables */
|
|
for(i=0; i<MAX_PICTURE_COUNT; i++){
|
|
if(s->picture[i].data[0] == s->current_picture.data[0]){
|
|
s->picture[i]= s->current_picture;
|
|
break;
|
|
}
|
|
}
|
|
assert(i<MAX_PICTURE_COUNT);
|
|
#endif
|
|
|
|
if(s->encoding){
|
|
/* release non refernce frames */
|
|
for(i=0; i<MAX_PICTURE_COUNT; i++){
|
|
if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
|
|
s->avctx->release_buffer(s->avctx, (AVFrame*)&s->picture[i]);
|
|
}
|
|
}
|
|
}
|
|
// clear copies, to avoid confusion
|
|
#if 0
|
|
memset(&s->last_picture, 0, sizeof(Picture));
|
|
memset(&s->next_picture, 0, sizeof(Picture));
|
|
memset(&s->current_picture, 0, sizeof(Picture));
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* draws an line from (ex, ey) -> (sx, sy).
|
|
* @param w width of the image
|
|
* @param h height of the image
|
|
* @param stride stride/linesize of the image
|
|
* @param color color of the arrow
|
|
*/
|
|
static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
|
|
int t, x, y, f;
|
|
|
|
sx= clip(sx, 0, w-1);
|
|
sy= clip(sy, 0, h-1);
|
|
ex= clip(ex, 0, w-1);
|
|
ey= clip(ey, 0, h-1);
|
|
|
|
buf[sy*stride + sx]+= color;
|
|
|
|
if(ABS(ex - sx) > ABS(ey - sy)){
|
|
if(sx > ex){
|
|
t=sx; sx=ex; ex=t;
|
|
t=sy; sy=ey; ey=t;
|
|
}
|
|
buf+= sx + sy*stride;
|
|
ex-= sx;
|
|
f= ((ey-sy)<<16)/ex;
|
|
for(x= 0; x <= ex; x++){
|
|
y= ((x*f) + (1<<15))>>16;
|
|
buf[y*stride + x]+= color;
|
|
}
|
|
}else{
|
|
if(sy > ey){
|
|
t=sx; sx=ex; ex=t;
|
|
t=sy; sy=ey; ey=t;
|
|
}
|
|
buf+= sx + sy*stride;
|
|
ey-= sy;
|
|
if(ey) f= ((ex-sx)<<16)/ey;
|
|
else f= 0;
|
|
for(y= 0; y <= ey; y++){
|
|
x= ((y*f) + (1<<15))>>16;
|
|
buf[y*stride + x]+= color;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* draws an arrow from (ex, ey) -> (sx, sy).
|
|
* @param w width of the image
|
|
* @param h height of the image
|
|
* @param stride stride/linesize of the image
|
|
* @param color color of the arrow
|
|
*/
|
|
static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
|
|
int dx,dy;
|
|
|
|
sx= clip(sx, -100, w+100);
|
|
sy= clip(sy, -100, h+100);
|
|
ex= clip(ex, -100, w+100);
|
|
ey= clip(ey, -100, h+100);
|
|
|
|
dx= ex - sx;
|
|
dy= ey - sy;
|
|
|
|
if(dx*dx + dy*dy > 3*3){
|
|
int rx= dx + dy;
|
|
int ry= -dx + dy;
|
|
int length= ff_sqrt((rx*rx + ry*ry)<<8);
|
|
|
|
//FIXME subpixel accuracy
|
|
rx= ROUNDED_DIV(rx*3<<4, length);
|
|
ry= ROUNDED_DIV(ry*3<<4, length);
|
|
|
|
draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color);
|
|
draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color);
|
|
}
|
|
draw_line(buf, sx, sy, ex, ey, w, h, stride, color);
|
|
}
|
|
|
|
/**
|
|
* prints debuging info for the given picture.
|
|
*/
|
|
void ff_print_debug_info(MpegEncContext *s, Picture *pict){
|
|
|
|
if(!pict || !pict->mb_type) return;
|
|
|
|
if(s->avctx->debug&(FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)){
|
|
int x,y;
|
|
|
|
for(y=0; y<s->mb_height; y++){
|
|
for(x=0; x<s->mb_width; x++){
|
|
if(s->avctx->debug&FF_DEBUG_SKIP){
|
|
int count= s->mbskip_table[x + y*s->mb_stride];
|
|
if(count>9) count=9;
|
|
av_log(s->avctx, AV_LOG_DEBUG, "%1d", count);
|
|
}
|
|
if(s->avctx->debug&FF_DEBUG_QP){
|
|
av_log(s->avctx, AV_LOG_DEBUG, "%2d", pict->qscale_table[x + y*s->mb_stride]);
|
|
}
|
|
if(s->avctx->debug&FF_DEBUG_MB_TYPE){
|
|
int mb_type= pict->mb_type[x + y*s->mb_stride];
|
|
|
|
//Type & MV direction
|
|
if(IS_PCM(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "P");
|
|
else if(IS_INTRA(mb_type) && IS_ACPRED(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "A");
|
|
else if(IS_INTRA4x4(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "i");
|
|
else if(IS_INTRA16x16(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "I");
|
|
else if(IS_DIRECT(mb_type) && IS_SKIP(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "d");
|
|
else if(IS_DIRECT(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "D");
|
|
else if(IS_GMC(mb_type) && IS_SKIP(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "g");
|
|
else if(IS_GMC(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "G");
|
|
else if(IS_SKIP(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "S");
|
|
else if(!USES_LIST(mb_type, 1))
|
|
av_log(s->avctx, AV_LOG_DEBUG, ">");
|
|
else if(!USES_LIST(mb_type, 0))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "<");
|
|
else{
|
|
assert(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
|
|
av_log(s->avctx, AV_LOG_DEBUG, "X");
|
|
}
|
|
|
|
//segmentation
|
|
if(IS_8X8(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "+");
|
|
else if(IS_16X8(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "-");
|
|
else if(IS_8X16(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "�");
|
|
else if(IS_INTRA(mb_type) || IS_16X16(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, " ");
|
|
else
|
|
av_log(s->avctx, AV_LOG_DEBUG, "?");
|
|
|
|
|
|
if(IS_INTERLACED(mb_type) && s->codec_id == CODEC_ID_H264)
|
|
av_log(s->avctx, AV_LOG_DEBUG, "=");
|
|
else
|
|
av_log(s->avctx, AV_LOG_DEBUG, " ");
|
|
}
|
|
// av_log(s->avctx, AV_LOG_DEBUG, " ");
|
|
}
|
|
av_log(s->avctx, AV_LOG_DEBUG, "\n");
|
|
}
|
|
}
|
|
|
|
if((s->avctx->debug&FF_DEBUG_VIS_MV) && s->motion_val){
|
|
const int shift= 1 + s->quarter_sample;
|
|
int mb_y;
|
|
uint8_t *ptr= pict->data[0];
|
|
s->low_delay=0; //needed to see the vectors without trashing the buffers
|
|
|
|
for(mb_y=0; mb_y<s->mb_height; mb_y++){
|
|
int mb_x;
|
|
for(mb_x=0; mb_x<s->mb_width; mb_x++){
|
|
const int mb_index= mb_x + mb_y*s->mb_stride;
|
|
if(IS_8X8(s->current_picture.mb_type[mb_index])){
|
|
int i;
|
|
for(i=0; i<4; i++){
|
|
int sx= mb_x*16 + 4 + 8*(i&1);
|
|
int sy= mb_y*16 + 4 + 8*(i>>1);
|
|
int xy= 1 + mb_x*2 + (i&1) + (mb_y*2 + 1 + (i>>1))*(s->mb_width*2 + 2);
|
|
int mx= (s->motion_val[xy][0]>>shift) + sx;
|
|
int my= (s->motion_val[xy][1]>>shift) + sy;
|
|
draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
|
|
}
|
|
}else if(IS_16X8(s->current_picture.mb_type[mb_index])){
|
|
int i;
|
|
for(i=0; i<2; i++){
|
|
int sx=mb_x*16 + 8;
|
|
int sy=mb_y*16 + 4 + 8*i;
|
|
int xy=1 + mb_x*2 + (mb_y*2 + 1 + i)*(s->mb_width*2 + 2);
|
|
int mx=(s->motion_val[xy][0]>>shift) + sx;
|
|
int my=(s->motion_val[xy][1]>>shift) + sy;
|
|
draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
|
|
}
|
|
}else{
|
|
int sx= mb_x*16 + 8;
|
|
int sy= mb_y*16 + 8;
|
|
int xy= 1 + mb_x*2 + (mb_y*2 + 1)*(s->mb_width*2 + 2);
|
|
int mx= (s->motion_val[xy][0]>>shift) + sx;
|
|
int my= (s->motion_val[xy][1]>>shift) + sy;
|
|
draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
|
|
}
|
|
s->mbskip_table[mb_index]=0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
|
|
static int get_sae(uint8_t *src, int ref, int stride){
|
|
int x,y;
|
|
int acc=0;
|
|
|
|
for(y=0; y<16; y++){
|
|
for(x=0; x<16; x++){
|
|
acc+= ABS(src[x+y*stride] - ref);
|
|
}
|
|
}
|
|
|
|
return acc;
|
|
}
|
|
|
|
static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
|
|
int x, y, w, h;
|
|
int acc=0;
|
|
|
|
w= s->width &~15;
|
|
h= s->height&~15;
|
|
|
|
for(y=0; y<h; y+=16){
|
|
for(x=0; x<w; x+=16){
|
|
int offset= x + y*stride;
|
|
int sad = s->dsp.pix_abs16x16(src + offset, ref + offset, stride);
|
|
int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
|
|
int sae = get_sae(src + offset, mean, stride);
|
|
|
|
acc+= sae + 500 < sad;
|
|
}
|
|
}
|
|
return acc;
|
|
}
|
|
|
|
|
|
static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
|
|
AVFrame *pic=NULL;
|
|
int i;
|
|
const int encoding_delay= s->max_b_frames;
|
|
int direct=1;
|
|
|
|
if(pic_arg){
|
|
if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
|
|
if(pic_arg->linesize[0] != s->linesize) direct=0;
|
|
if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
|
|
if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
|
|
|
|
// av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
|
|
|
|
if(direct){
|
|
i= ff_find_unused_picture(s, 1);
|
|
|
|
pic= (AVFrame*)&s->picture[i];
|
|
pic->reference= 3;
|
|
|
|
for(i=0; i<4; i++){
|
|
pic->data[i]= pic_arg->data[i];
|
|
pic->linesize[i]= pic_arg->linesize[i];
|
|
}
|
|
alloc_picture(s, (Picture*)pic, 1);
|
|
}else{
|
|
int offset= 16;
|
|
i= ff_find_unused_picture(s, 0);
|
|
|
|
pic= (AVFrame*)&s->picture[i];
|
|
pic->reference= 3;
|
|
|
|
alloc_picture(s, (Picture*)pic, 0);
|
|
|
|
if( pic->data[0] + offset == pic_arg->data[0]
|
|
&& pic->data[1] + offset == pic_arg->data[1]
|
|
&& pic->data[2] + offset == pic_arg->data[2]){
|
|
// empty
|
|
}else{
|
|
int h_chroma_shift, v_chroma_shift;
|
|
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
|
|
|
|
for(i=0; i<3; i++){
|
|
int src_stride= pic_arg->linesize[i];
|
|
int dst_stride= i ? s->uvlinesize : s->linesize;
|
|
int h_shift= i ? h_chroma_shift : 0;
|
|
int v_shift= i ? v_chroma_shift : 0;
|
|
int w= s->width >>h_shift;
|
|
int h= s->height>>v_shift;
|
|
uint8_t *src= pic_arg->data[i];
|
|
uint8_t *dst= pic->data[i] + offset;
|
|
|
|
if(src_stride==dst_stride)
|
|
memcpy(dst, src, src_stride*h);
|
|
else{
|
|
while(h--){
|
|
memcpy(dst, src, w);
|
|
dst += dst_stride;
|
|
src += src_stride;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
pic->quality= pic_arg->quality;
|
|
pic->pict_type= pic_arg->pict_type;
|
|
pic->pts = pic_arg->pts;
|
|
|
|
if(s->input_picture[encoding_delay])
|
|
pic->display_picture_number= s->input_picture[encoding_delay]->display_picture_number + 1;
|
|
|
|
}
|
|
|
|
/* shift buffer entries */
|
|
for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
|
|
s->input_picture[i-1]= s->input_picture[i];
|
|
|
|
s->input_picture[encoding_delay]= (Picture*)pic;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void select_input_picture(MpegEncContext *s){
|
|
int i;
|
|
int coded_pic_num=0;
|
|
|
|
if(s->reordered_input_picture[0])
|
|
coded_pic_num= s->reordered_input_picture[0]->coded_picture_number + 1;
|
|
|
|
for(i=1; i<MAX_PICTURE_COUNT; i++)
|
|
s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
|
|
s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
|
|
|
|
/* set next picture types & ordering */
|
|
if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
|
|
if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
|
|
s->reordered_input_picture[0]= s->input_picture[0];
|
|
s->reordered_input_picture[0]->pict_type= I_TYPE;
|
|
s->reordered_input_picture[0]->coded_picture_number= coded_pic_num;
|
|
}else{
|
|
int b_frames;
|
|
|
|
if(s->flags&CODEC_FLAG_PASS2){
|
|
for(i=0; i<s->max_b_frames+1; i++){
|
|
int pict_num= s->input_picture[0]->display_picture_number + i;
|
|
int pict_type= s->rc_context.entry[pict_num].new_pict_type;
|
|
s->input_picture[i]->pict_type= pict_type;
|
|
|
|
if(i + 1 >= s->rc_context.num_entries) break;
|
|
}
|
|
}
|
|
|
|
if(s->input_picture[0]->pict_type){
|
|
/* user selected pict_type */
|
|
for(b_frames=0; b_frames<s->max_b_frames+1; b_frames++){
|
|
if(s->input_picture[b_frames]->pict_type!=B_TYPE) break;
|
|
}
|
|
|
|
if(b_frames > s->max_b_frames){
|
|
av_log(s->avctx, AV_LOG_ERROR, "warning, too many bframes in a row\n");
|
|
b_frames = s->max_b_frames;
|
|
}
|
|
}else if(s->b_frame_strategy==0){
|
|
b_frames= s->max_b_frames;
|
|
while(b_frames && !s->input_picture[b_frames]) b_frames--;
|
|
}else if(s->b_frame_strategy==1){
|
|
for(i=1; i<s->max_b_frames+1; i++){
|
|
if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
|
|
s->input_picture[i]->b_frame_score=
|
|
get_intra_count(s, s->input_picture[i ]->data[0],
|
|
s->input_picture[i-1]->data[0], s->linesize) + 1;
|
|
}
|
|
}
|
|
for(i=0; i<s->max_b_frames; i++){
|
|
if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/40) break;
|
|
}
|
|
|
|
b_frames= FFMAX(0, i-1);
|
|
|
|
/* reset scores */
|
|
for(i=0; i<b_frames+1; i++){
|
|
s->input_picture[i]->b_frame_score=0;
|
|
}
|
|
}else{
|
|
av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
|
|
b_frames=0;
|
|
}
|
|
|
|
emms_c();
|
|
//static int b_count=0;
|
|
//b_count+= b_frames;
|
|
//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
|
|
|
|
s->reordered_input_picture[0]= s->input_picture[b_frames];
|
|
if( s->picture_in_gop_number + b_frames >= s->gop_size
|
|
|| s->reordered_input_picture[0]->pict_type== I_TYPE)
|
|
s->reordered_input_picture[0]->pict_type= I_TYPE;
|
|
else
|
|
s->reordered_input_picture[0]->pict_type= P_TYPE;
|
|
s->reordered_input_picture[0]->coded_picture_number= coded_pic_num;
|
|
for(i=0; i<b_frames; i++){
|
|
coded_pic_num++;
|
|
s->reordered_input_picture[i+1]= s->input_picture[i];
|
|
s->reordered_input_picture[i+1]->pict_type= B_TYPE;
|
|
s->reordered_input_picture[i+1]->coded_picture_number= coded_pic_num;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(s->reordered_input_picture[0]){
|
|
s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=B_TYPE ? 3 : 0;
|
|
|
|
copy_picture(&s->new_picture, s->reordered_input_picture[0]);
|
|
|
|
if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
|
|
// input is a shared pix, so we cant modifiy it -> alloc a new one & ensure that the shared one is reuseable
|
|
|
|
int i= ff_find_unused_picture(s, 0);
|
|
Picture *pic= &s->picture[i];
|
|
|
|
/* mark us unused / free shared pic */
|
|
for(i=0; i<4; i++)
|
|
s->reordered_input_picture[0]->data[i]= NULL;
|
|
s->reordered_input_picture[0]->type= 0;
|
|
|
|
//FIXME bad, copy * except
|
|
pic->pict_type = s->reordered_input_picture[0]->pict_type;
|
|
pic->quality = s->reordered_input_picture[0]->quality;
|
|
pic->coded_picture_number = s->reordered_input_picture[0]->coded_picture_number;
|
|
pic->reference = s->reordered_input_picture[0]->reference;
|
|
pic->pts = s->reordered_input_picture[0]->pts;
|
|
|
|
alloc_picture(s, pic, 0);
|
|
|
|
s->current_picture_ptr= pic;
|
|
}else{
|
|
// input is not a shared pix -> reuse buffer for current_pix
|
|
|
|
assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
|
|
|| s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
|
|
|
|
s->current_picture_ptr= s->reordered_input_picture[0];
|
|
for(i=0; i<4; i++){
|
|
s->new_picture.data[i]+=16;
|
|
}
|
|
}
|
|
copy_picture(&s->current_picture, s->current_picture_ptr);
|
|
|
|
s->picture_number= s->new_picture.display_picture_number;
|
|
//printf("dpn:%d\n", s->picture_number);
|
|
}else{
|
|
memset(&s->new_picture, 0, sizeof(Picture));
|
|
}
|
|
}
|
|
|
|
int MPV_encode_picture(AVCodecContext *avctx,
|
|
unsigned char *buf, int buf_size, void *data)
|
|
{
|
|
MpegEncContext *s = avctx->priv_data;
|
|
AVFrame *pic_arg = data;
|
|
int i;
|
|
|
|
if(avctx->pix_fmt != PIX_FMT_YUV420P){
|
|
av_log(avctx, AV_LOG_ERROR, "this codec supports only YUV420P\n");
|
|
return -1;
|
|
}
|
|
|
|
init_put_bits(&s->pb, buf, buf_size);
|
|
|
|
s->picture_in_gop_number++;
|
|
|
|
load_input_picture(s, pic_arg);
|
|
|
|
select_input_picture(s);
|
|
|
|
/* output? */
|
|
if(s->new_picture.data[0]){
|
|
|
|
s->pict_type= s->new_picture.pict_type;
|
|
//emms_c();
|
|
//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
|
|
MPV_frame_start(s, avctx);
|
|
|
|
encode_picture(s, s->picture_number);
|
|
|
|
avctx->real_pict_num = s->picture_number;
|
|
avctx->header_bits = s->header_bits;
|
|
avctx->mv_bits = s->mv_bits;
|
|
avctx->misc_bits = s->misc_bits;
|
|
avctx->i_tex_bits = s->i_tex_bits;
|
|
avctx->p_tex_bits = s->p_tex_bits;
|
|
avctx->i_count = s->i_count;
|
|
avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
|
|
avctx->skip_count = s->skip_count;
|
|
|
|
MPV_frame_end(s);
|
|
|
|
if (s->out_format == FMT_MJPEG)
|
|
mjpeg_picture_trailer(s);
|
|
|
|
if(s->flags&CODEC_FLAG_PASS1)
|
|
ff_write_pass1_stats(s);
|
|
|
|
for(i=0; i<4; i++){
|
|
avctx->error[i] += s->current_picture_ptr->error[i];
|
|
}
|
|
}
|
|
|
|
s->input_picture_number++;
|
|
|
|
flush_put_bits(&s->pb);
|
|
s->frame_bits = (pbBufPtr(&s->pb) - s->pb.buf) * 8;
|
|
|
|
s->total_bits += s->frame_bits;
|
|
avctx->frame_bits = s->frame_bits;
|
|
|
|
return pbBufPtr(&s->pb) - s->pb.buf;
|
|
}
|
|
|
|
#endif //CONFIG_ENCODERS
|
|
|
|
static inline void gmc1_motion(MpegEncContext *s,
|
|
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|
int dest_offset,
|
|
uint8_t **ref_picture, int src_offset)
|
|
{
|
|
uint8_t *ptr;
|
|
int offset, src_x, src_y, linesize, uvlinesize;
|
|
int motion_x, motion_y;
|
|
int emu=0;
|
|
|
|
motion_x= s->sprite_offset[0][0];
|
|
motion_y= s->sprite_offset[0][1];
|
|
src_x = s->mb_x * 16 + (motion_x >> (s->sprite_warping_accuracy+1));
|
|
src_y = s->mb_y * 16 + (motion_y >> (s->sprite_warping_accuracy+1));
|
|
motion_x<<=(3-s->sprite_warping_accuracy);
|
|
motion_y<<=(3-s->sprite_warping_accuracy);
|
|
src_x = clip(src_x, -16, s->width);
|
|
if (src_x == s->width)
|
|
motion_x =0;
|
|
src_y = clip(src_y, -16, s->height);
|
|
if (src_y == s->height)
|
|
motion_y =0;
|
|
|
|
linesize = s->linesize;
|
|
uvlinesize = s->uvlinesize;
|
|
|
|
ptr = ref_picture[0] + (src_y * linesize) + src_x + src_offset;
|
|
|
|
dest_y+=dest_offset;
|
|
if(s->flags&CODEC_FLAG_EMU_EDGE){
|
|
if( (unsigned)src_x >= s->h_edge_pos - 17
|
|
|| (unsigned)src_y >= s->v_edge_pos - 17){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, linesize, 17, 17, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
|
|
ptr= s->edge_emu_buffer;
|
|
}
|
|
}
|
|
|
|
if((motion_x|motion_y)&7){
|
|
s->dsp.gmc1(dest_y , ptr , linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding);
|
|
s->dsp.gmc1(dest_y+8, ptr+8, linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding);
|
|
}else{
|
|
int dxy;
|
|
|
|
dxy= ((motion_x>>3)&1) | ((motion_y>>2)&2);
|
|
if (s->no_rounding){
|
|
s->dsp.put_no_rnd_pixels_tab[0][dxy](dest_y, ptr, linesize, 16);
|
|
}else{
|
|
s->dsp.put_pixels_tab [0][dxy](dest_y, ptr, linesize, 16);
|
|
}
|
|
}
|
|
|
|
if(s->flags&CODEC_FLAG_GRAY) return;
|
|
|
|
motion_x= s->sprite_offset[1][0];
|
|
motion_y= s->sprite_offset[1][1];
|
|
src_x = s->mb_x * 8 + (motion_x >> (s->sprite_warping_accuracy+1));
|
|
src_y = s->mb_y * 8 + (motion_y >> (s->sprite_warping_accuracy+1));
|
|
motion_x<<=(3-s->sprite_warping_accuracy);
|
|
motion_y<<=(3-s->sprite_warping_accuracy);
|
|
src_x = clip(src_x, -8, s->width>>1);
|
|
if (src_x == s->width>>1)
|
|
motion_x =0;
|
|
src_y = clip(src_y, -8, s->height>>1);
|
|
if (src_y == s->height>>1)
|
|
motion_y =0;
|
|
|
|
offset = (src_y * uvlinesize) + src_x + (src_offset>>1);
|
|
ptr = ref_picture[1] + offset;
|
|
if(s->flags&CODEC_FLAG_EMU_EDGE){
|
|
if( (unsigned)src_x >= (s->h_edge_pos>>1) - 9
|
|
|| (unsigned)src_y >= (s->v_edge_pos>>1) - 9){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
|
|
ptr= s->edge_emu_buffer;
|
|
emu=1;
|
|
}
|
|
}
|
|
s->dsp.gmc1(dest_cb + (dest_offset>>1), ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
|
|
|
|
ptr = ref_picture[2] + offset;
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
|
|
ptr= s->edge_emu_buffer;
|
|
}
|
|
s->dsp.gmc1(dest_cr + (dest_offset>>1), ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
|
|
|
|
return;
|
|
}
|
|
|
|
static inline void gmc_motion(MpegEncContext *s,
|
|
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|
int dest_offset,
|
|
uint8_t **ref_picture, int src_offset)
|
|
{
|
|
uint8_t *ptr;
|
|
int linesize, uvlinesize;
|
|
const int a= s->sprite_warping_accuracy;
|
|
int ox, oy;
|
|
|
|
linesize = s->linesize;
|
|
uvlinesize = s->uvlinesize;
|
|
|
|
ptr = ref_picture[0] + src_offset;
|
|
|
|
dest_y+=dest_offset;
|
|
|
|
ox= s->sprite_offset[0][0] + s->sprite_delta[0][0]*s->mb_x*16 + s->sprite_delta[0][1]*s->mb_y*16;
|
|
oy= s->sprite_offset[0][1] + s->sprite_delta[1][0]*s->mb_x*16 + s->sprite_delta[1][1]*s->mb_y*16;
|
|
|
|
s->dsp.gmc(dest_y, ptr, linesize, 16,
|
|
ox,
|
|
oy,
|
|
s->sprite_delta[0][0], s->sprite_delta[0][1],
|
|
s->sprite_delta[1][0], s->sprite_delta[1][1],
|
|
a+1, (1<<(2*a+1)) - s->no_rounding,
|
|
s->h_edge_pos, s->v_edge_pos);
|
|
s->dsp.gmc(dest_y+8, ptr, linesize, 16,
|
|
ox + s->sprite_delta[0][0]*8,
|
|
oy + s->sprite_delta[1][0]*8,
|
|
s->sprite_delta[0][0], s->sprite_delta[0][1],
|
|
s->sprite_delta[1][0], s->sprite_delta[1][1],
|
|
a+1, (1<<(2*a+1)) - s->no_rounding,
|
|
s->h_edge_pos, s->v_edge_pos);
|
|
|
|
if(s->flags&CODEC_FLAG_GRAY) return;
|
|
|
|
|
|
dest_cb+=dest_offset>>1;
|
|
dest_cr+=dest_offset>>1;
|
|
|
|
ox= s->sprite_offset[1][0] + s->sprite_delta[0][0]*s->mb_x*8 + s->sprite_delta[0][1]*s->mb_y*8;
|
|
oy= s->sprite_offset[1][1] + s->sprite_delta[1][0]*s->mb_x*8 + s->sprite_delta[1][1]*s->mb_y*8;
|
|
|
|
ptr = ref_picture[1] + (src_offset>>1);
|
|
s->dsp.gmc(dest_cb, ptr, uvlinesize, 8,
|
|
ox,
|
|
oy,
|
|
s->sprite_delta[0][0], s->sprite_delta[0][1],
|
|
s->sprite_delta[1][0], s->sprite_delta[1][1],
|
|
a+1, (1<<(2*a+1)) - s->no_rounding,
|
|
s->h_edge_pos>>1, s->v_edge_pos>>1);
|
|
|
|
ptr = ref_picture[2] + (src_offset>>1);
|
|
s->dsp.gmc(dest_cr, ptr, uvlinesize, 8,
|
|
ox,
|
|
oy,
|
|
s->sprite_delta[0][0], s->sprite_delta[0][1],
|
|
s->sprite_delta[1][0], s->sprite_delta[1][1],
|
|
a+1, (1<<(2*a+1)) - s->no_rounding,
|
|
s->h_edge_pos>>1, s->v_edge_pos>>1);
|
|
}
|
|
|
|
/**
|
|
* Copies a rectangular area of samples to a temporary buffer and replicates the boarder samples.
|
|
* @param buf destination buffer
|
|
* @param src source buffer
|
|
* @param linesize number of bytes between 2 vertically adjacent samples in both the source and destination buffers
|
|
* @param block_w width of block
|
|
* @param block_h height of block
|
|
* @param src_x x coordinate of the top left sample of the block in the source buffer
|
|
* @param src_y y coordinate of the top left sample of the block in the source buffer
|
|
* @param w width of the source buffer
|
|
* @param h height of the source buffer
|
|
*/
|
|
void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h,
|
|
int src_x, int src_y, int w, int h){
|
|
int x, y;
|
|
int start_y, start_x, end_y, end_x;
|
|
|
|
if(src_y>= h){
|
|
src+= (h-1-src_y)*linesize;
|
|
src_y=h-1;
|
|
}else if(src_y<=-block_h){
|
|
src+= (1-block_h-src_y)*linesize;
|
|
src_y=1-block_h;
|
|
}
|
|
if(src_x>= w){
|
|
src+= (w-1-src_x);
|
|
src_x=w-1;
|
|
}else if(src_x<=-block_w){
|
|
src+= (1-block_w-src_x);
|
|
src_x=1-block_w;
|
|
}
|
|
|
|
start_y= FFMAX(0, -src_y);
|
|
start_x= FFMAX(0, -src_x);
|
|
end_y= FFMIN(block_h, h-src_y);
|
|
end_x= FFMIN(block_w, w-src_x);
|
|
|
|
// copy existing part
|
|
for(y=start_y; y<end_y; y++){
|
|
for(x=start_x; x<end_x; x++){
|
|
buf[x + y*linesize]= src[x + y*linesize];
|
|
}
|
|
}
|
|
|
|
//top
|
|
for(y=0; y<start_y; y++){
|
|
for(x=start_x; x<end_x; x++){
|
|
buf[x + y*linesize]= buf[x + start_y*linesize];
|
|
}
|
|
}
|
|
|
|
//bottom
|
|
for(y=end_y; y<block_h; y++){
|
|
for(x=start_x; x<end_x; x++){
|
|
buf[x + y*linesize]= buf[x + (end_y-1)*linesize];
|
|
}
|
|
}
|
|
|
|
for(y=0; y<block_h; y++){
|
|
//left
|
|
for(x=0; x<start_x; x++){
|
|
buf[x + y*linesize]= buf[start_x + y*linesize];
|
|
}
|
|
|
|
//right
|
|
for(x=end_x; x<block_w; x++){
|
|
buf[x + y*linesize]= buf[end_x - 1 + y*linesize];
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline int hpel_motion(MpegEncContext *s,
|
|
uint8_t *dest, uint8_t *src,
|
|
int src_x, int src_y,
|
|
int width, int height, int stride,
|
|
int h_edge_pos, int v_edge_pos,
|
|
int w, int h, op_pixels_func *pix_op,
|
|
int motion_x, int motion_y)
|
|
{
|
|
int dxy;
|
|
int emu=0;
|
|
|
|
dxy = ((motion_y & 1) << 1) | (motion_x & 1);
|
|
src_x += motion_x >> 1;
|
|
src_y += motion_y >> 1;
|
|
|
|
/* WARNING: do no forget half pels */
|
|
src_x = clip(src_x, -16, width); //FIXME unneeded for emu?
|
|
if (src_x == width)
|
|
dxy &= ~1;
|
|
src_y = clip(src_y, -16, height);
|
|
if (src_y == height)
|
|
dxy &= ~2;
|
|
src += src_y * stride + src_x;
|
|
|
|
if(s->unrestricted_mv && (s->flags&CODEC_FLAG_EMU_EDGE)){
|
|
if( (unsigned)src_x > h_edge_pos - (motion_x&1) - w
|
|
|| (unsigned)src_y > v_edge_pos - (motion_y&1) - h){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, src, stride, w+1, h+1,
|
|
src_x, src_y, h_edge_pos, v_edge_pos);
|
|
src= s->edge_emu_buffer;
|
|
emu=1;
|
|
}
|
|
}
|
|
pix_op[dxy](dest, src, stride, h);
|
|
return emu;
|
|
}
|
|
|
|
/* apply one mpeg motion vector to the three components */
|
|
static inline void mpeg_motion(MpegEncContext *s,
|
|
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|
int dest_offset,
|
|
uint8_t **ref_picture, int src_offset,
|
|
int field_based, op_pixels_func (*pix_op)[4],
|
|
int motion_x, int motion_y, int h)
|
|
{
|
|
uint8_t *ptr;
|
|
int dxy, offset, mx, my, src_x, src_y, height, v_edge_pos, uvlinesize;
|
|
int emu=0;
|
|
#if 0
|
|
if(s->quarter_sample)
|
|
{
|
|
motion_x>>=1;
|
|
motion_y>>=1;
|
|
}
|
|
#endif
|
|
|
|
height = s->height >> field_based;
|
|
v_edge_pos = s->v_edge_pos >> field_based;
|
|
uvlinesize = s->current_picture.linesize[1] << field_based;
|
|
|
|
emu= hpel_motion(s,
|
|
dest_y + dest_offset, ref_picture[0] + src_offset,
|
|
s->mb_x * 16, s->mb_y * (16 >> field_based),
|
|
s->width, height, s->current_picture.linesize[0] << field_based,
|
|
s->h_edge_pos, v_edge_pos,
|
|
16, h, pix_op[0],
|
|
motion_x, motion_y);
|
|
|
|
|
|
if(s->flags&CODEC_FLAG_GRAY) return;
|
|
|
|
if (s->out_format == FMT_H263) {
|
|
dxy = 0;
|
|
if ((motion_x & 3) != 0)
|
|
dxy |= 1;
|
|
if ((motion_y & 3) != 0)
|
|
dxy |= 2;
|
|
mx = motion_x >> 2;
|
|
my = motion_y >> 2;
|
|
} else {
|
|
mx = motion_x / 2;
|
|
my = motion_y / 2;
|
|
dxy = ((my & 1) << 1) | (mx & 1);
|
|
mx >>= 1;
|
|
my >>= 1;
|
|
}
|
|
|
|
src_x = s->mb_x * 8 + mx;
|
|
src_y = s->mb_y * (8 >> field_based) + my;
|
|
src_x = clip(src_x, -8, s->width >> 1);
|
|
if (src_x == (s->width >> 1))
|
|
dxy &= ~1;
|
|
src_y = clip(src_y, -8, height >> 1);
|
|
if (src_y == (height >> 1))
|
|
dxy &= ~2;
|
|
offset = (src_y * uvlinesize) + src_x + (src_offset >> 1);
|
|
ptr = ref_picture[1] + offset;
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based,
|
|
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
|
|
ptr= s->edge_emu_buffer + (src_offset >> 1);
|
|
}
|
|
pix_op[1][dxy](dest_cb + (dest_offset >> 1), ptr, uvlinesize, h >> 1);
|
|
|
|
ptr = ref_picture[2] + offset;
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based,
|
|
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
|
|
ptr= s->edge_emu_buffer + (src_offset >> 1);
|
|
}
|
|
pix_op[1][dxy](dest_cr + (dest_offset >> 1), ptr, uvlinesize, h >> 1);
|
|
}
|
|
//FIXME move to dsputil, avg variant, 16x16 version
|
|
static inline void put_obmc(uint8_t *dst, uint8_t *src[5], int stride){
|
|
int x;
|
|
uint8_t * const top = src[1];
|
|
uint8_t * const left = src[2];
|
|
uint8_t * const mid = src[0];
|
|
uint8_t * const right = src[3];
|
|
uint8_t * const bottom= src[4];
|
|
#define OBMC_FILTER(x, t, l, m, r, b)\
|
|
dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3
|
|
#define OBMC_FILTER4(x, t, l, m, r, b)\
|
|
OBMC_FILTER(x , t, l, m, r, b);\
|
|
OBMC_FILTER(x+1 , t, l, m, r, b);\
|
|
OBMC_FILTER(x +stride, t, l, m, r, b);\
|
|
OBMC_FILTER(x+1+stride, t, l, m, r, b);
|
|
|
|
x=0;
|
|
OBMC_FILTER (x , 2, 2, 4, 0, 0);
|
|
OBMC_FILTER (x+1, 2, 1, 5, 0, 0);
|
|
OBMC_FILTER4(x+2, 2, 1, 5, 0, 0);
|
|
OBMC_FILTER4(x+4, 2, 0, 5, 1, 0);
|
|
OBMC_FILTER (x+6, 2, 0, 5, 1, 0);
|
|
OBMC_FILTER (x+7, 2, 0, 4, 2, 0);
|
|
x+= stride;
|
|
OBMC_FILTER (x , 1, 2, 5, 0, 0);
|
|
OBMC_FILTER (x+1, 1, 2, 5, 0, 0);
|
|
OBMC_FILTER (x+6, 1, 0, 5, 2, 0);
|
|
OBMC_FILTER (x+7, 1, 0, 5, 2, 0);
|
|
x+= stride;
|
|
OBMC_FILTER4(x , 1, 2, 5, 0, 0);
|
|
OBMC_FILTER4(x+2, 1, 1, 6, 0, 0);
|
|
OBMC_FILTER4(x+4, 1, 0, 6, 1, 0);
|
|
OBMC_FILTER4(x+6, 1, 0, 5, 2, 0);
|
|
x+= 2*stride;
|
|
OBMC_FILTER4(x , 0, 2, 5, 0, 1);
|
|
OBMC_FILTER4(x+2, 0, 1, 6, 0, 1);
|
|
OBMC_FILTER4(x+4, 0, 0, 6, 1, 1);
|
|
OBMC_FILTER4(x+6, 0, 0, 5, 2, 1);
|
|
x+= 2*stride;
|
|
OBMC_FILTER (x , 0, 2, 5, 0, 1);
|
|
OBMC_FILTER (x+1, 0, 2, 5, 0, 1);
|
|
OBMC_FILTER4(x+2, 0, 1, 5, 0, 2);
|
|
OBMC_FILTER4(x+4, 0, 0, 5, 1, 2);
|
|
OBMC_FILTER (x+6, 0, 0, 5, 2, 1);
|
|
OBMC_FILTER (x+7, 0, 0, 5, 2, 1);
|
|
x+= stride;
|
|
OBMC_FILTER (x , 0, 2, 4, 0, 2);
|
|
OBMC_FILTER (x+1, 0, 1, 5, 0, 2);
|
|
OBMC_FILTER (x+6, 0, 0, 5, 1, 2);
|
|
OBMC_FILTER (x+7, 0, 0, 4, 2, 2);
|
|
}
|
|
|
|
/* obmc for 1 8x8 luma block */
|
|
static inline void obmc_motion(MpegEncContext *s,
|
|
uint8_t *dest, uint8_t *src,
|
|
int src_x, int src_y,
|
|
op_pixels_func *pix_op,
|
|
int16_t mv[5][2]/* mid top left right bottom*/)
|
|
#define MID 0
|
|
{
|
|
int i;
|
|
uint8_t *ptr[5];
|
|
|
|
assert(s->quarter_sample==0);
|
|
|
|
for(i=0; i<5; i++){
|
|
if(i && mv[i][0]==mv[MID][0] && mv[i][1]==mv[MID][1]){
|
|
ptr[i]= ptr[MID];
|
|
}else{
|
|
ptr[i]= s->edge_emu_buffer + 16 + 8*(i&1) + s->linesize*8*(i>>1);
|
|
hpel_motion(s, ptr[i], src,
|
|
src_x, src_y,
|
|
s->width, s->height, s->linesize,
|
|
s->h_edge_pos, s->v_edge_pos,
|
|
8, 8, pix_op,
|
|
mv[i][0], mv[i][1]);
|
|
}
|
|
}
|
|
|
|
put_obmc(dest, ptr, s->linesize);
|
|
}
|
|
|
|
static inline void qpel_motion(MpegEncContext *s,
|
|
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|
int dest_offset,
|
|
uint8_t **ref_picture, int src_offset,
|
|
int field_based, op_pixels_func (*pix_op)[4],
|
|
qpel_mc_func (*qpix_op)[16],
|
|
int motion_x, int motion_y, int h)
|
|
{
|
|
uint8_t *ptr;
|
|
int dxy, offset, mx, my, src_x, src_y, height, v_edge_pos, linesize, uvlinesize;
|
|
int emu=0;
|
|
|
|
dxy = ((motion_y & 3) << 2) | (motion_x & 3);
|
|
src_x = s->mb_x * 16 + (motion_x >> 2);
|
|
src_y = s->mb_y * (16 >> field_based) + (motion_y >> 2);
|
|
|
|
height = s->height >> field_based;
|
|
v_edge_pos = s->v_edge_pos >> field_based;
|
|
src_x = clip(src_x, -16, s->width);
|
|
if (src_x == s->width)
|
|
dxy &= ~3;
|
|
src_y = clip(src_y, -16, height);
|
|
if (src_y == height)
|
|
dxy &= ~12;
|
|
linesize = s->linesize << field_based;
|
|
uvlinesize = s->uvlinesize << field_based;
|
|
ptr = ref_picture[0] + (src_y * linesize) + src_x + src_offset;
|
|
dest_y += dest_offset;
|
|
//printf("%d %d %d\n", src_x, src_y, dxy);
|
|
|
|
if(s->flags&CODEC_FLAG_EMU_EDGE){
|
|
if( (unsigned)src_x > s->h_edge_pos - (motion_x&3) - 16
|
|
|| (unsigned)src_y > v_edge_pos - (motion_y&3) - h ){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr - src_offset, s->linesize, 17, 17+field_based,
|
|
src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
|
|
ptr= s->edge_emu_buffer + src_offset;
|
|
emu=1;
|
|
}
|
|
}
|
|
if(!field_based)
|
|
qpix_op[0][dxy](dest_y, ptr, linesize);
|
|
else{
|
|
//damn interlaced mode
|
|
//FIXME boundary mirroring is not exactly correct here
|
|
qpix_op[1][dxy](dest_y , ptr , linesize);
|
|
qpix_op[1][dxy](dest_y+8, ptr+8, linesize);
|
|
}
|
|
|
|
if(s->flags&CODEC_FLAG_GRAY) return;
|
|
|
|
if(field_based){
|
|
mx= motion_x/2;
|
|
my= motion_y>>1;
|
|
}else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA2){
|
|
static const int rtab[8]= {0,0,1,1,0,0,0,1};
|
|
mx= (motion_x>>1) + rtab[motion_x&7];
|
|
my= (motion_y>>1) + rtab[motion_y&7];
|
|
}else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA){
|
|
mx= (motion_x>>1)|(motion_x&1);
|
|
my= (motion_y>>1)|(motion_y&1);
|
|
}else{
|
|
mx= motion_x/2;
|
|
my= motion_y/2;
|
|
}
|
|
mx= (mx>>1)|(mx&1);
|
|
my= (my>>1)|(my&1);
|
|
|
|
dxy= (mx&1) | ((my&1)<<1);
|
|
mx>>=1;
|
|
my>>=1;
|
|
|
|
src_x = s->mb_x * 8 + mx;
|
|
src_y = s->mb_y * (8 >> field_based) + my;
|
|
src_x = clip(src_x, -8, s->width >> 1);
|
|
if (src_x == (s->width >> 1))
|
|
dxy &= ~1;
|
|
src_y = clip(src_y, -8, height >> 1);
|
|
if (src_y == (height >> 1))
|
|
dxy &= ~2;
|
|
|
|
offset = (src_y * uvlinesize) + src_x + (src_offset >> 1);
|
|
ptr = ref_picture[1] + offset;
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based,
|
|
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
|
|
ptr= s->edge_emu_buffer + (src_offset >> 1);
|
|
}
|
|
pix_op[1][dxy](dest_cb + (dest_offset >> 1), ptr, uvlinesize, h >> 1);
|
|
|
|
ptr = ref_picture[2] + offset;
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based,
|
|
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
|
|
ptr= s->edge_emu_buffer + (src_offset >> 1);
|
|
}
|
|
pix_op[1][dxy](dest_cr + (dest_offset >> 1), ptr, uvlinesize, h >> 1);
|
|
}
|
|
|
|
inline int ff_h263_round_chroma(int x){
|
|
if (x >= 0)
|
|
return (h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1));
|
|
else {
|
|
x = -x;
|
|
return -(h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* h263 chorma 4mv motion compensation.
|
|
*/
|
|
static inline void chroma_4mv_motion(MpegEncContext *s,
|
|
uint8_t *dest_cb, uint8_t *dest_cr,
|
|
uint8_t **ref_picture,
|
|
op_pixels_func *pix_op,
|
|
int mx, int my){
|
|
int dxy, emu=0, src_x, src_y, offset;
|
|
uint8_t *ptr;
|
|
|
|
/* In case of 8X8, we construct a single chroma motion vector
|
|
with a special rounding */
|
|
mx= ff_h263_round_chroma(mx);
|
|
my= ff_h263_round_chroma(my);
|
|
|
|
dxy = ((my & 1) << 1) | (mx & 1);
|
|
mx >>= 1;
|
|
my >>= 1;
|
|
|
|
src_x = s->mb_x * 8 + mx;
|
|
src_y = s->mb_y * 8 + my;
|
|
src_x = clip(src_x, -8, s->width/2);
|
|
if (src_x == s->width/2)
|
|
dxy &= ~1;
|
|
src_y = clip(src_y, -8, s->height/2);
|
|
if (src_y == s->height/2)
|
|
dxy &= ~2;
|
|
|
|
offset = (src_y * (s->uvlinesize)) + src_x;
|
|
ptr = ref_picture[1] + offset;
|
|
if(s->flags&CODEC_FLAG_EMU_EDGE){
|
|
if( (unsigned)src_x > (s->h_edge_pos>>1) - (dxy &1) - 8
|
|
|| (unsigned)src_y > (s->v_edge_pos>>1) - (dxy>>1) - 8){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
|
|
ptr= s->edge_emu_buffer;
|
|
emu=1;
|
|
}
|
|
}
|
|
pix_op[dxy](dest_cb, ptr, s->uvlinesize, 8);
|
|
|
|
ptr = ref_picture[2] + offset;
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
|
|
ptr= s->edge_emu_buffer;
|
|
}
|
|
pix_op[dxy](dest_cr, ptr, s->uvlinesize, 8);
|
|
}
|
|
|
|
/**
|
|
* motion compesation of a single macroblock
|
|
* @param s context
|
|
* @param dest_y luma destination pointer
|
|
* @param dest_cb chroma cb/u destination pointer
|
|
* @param dest_cr chroma cr/v destination pointer
|
|
* @param dir direction (0->forward, 1->backward)
|
|
* @param ref_picture array[3] of pointers to the 3 planes of the reference picture
|
|
* @param pic_op halfpel motion compensation function (average or put normally)
|
|
* @param pic_op qpel motion compensation function (average or put normally)
|
|
* the motion vectors are taken from s->mv and the MV type from s->mv_type
|
|
*/
|
|
static inline void MPV_motion(MpegEncContext *s,
|
|
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|
int dir, uint8_t **ref_picture,
|
|
op_pixels_func (*pix_op)[4], qpel_mc_func (*qpix_op)[16])
|
|
{
|
|
int dxy, mx, my, src_x, src_y, motion_x, motion_y;
|
|
int mb_x, mb_y, i;
|
|
uint8_t *ptr, *dest;
|
|
|
|
mb_x = s->mb_x;
|
|
mb_y = s->mb_y;
|
|
|
|
if(s->obmc && s->pict_type != B_TYPE){
|
|
int16_t mv_cache[4][4][2];
|
|
const int xy= s->mb_x + s->mb_y*s->mb_stride;
|
|
const int mot_stride= s->mb_width*2 + 2;
|
|
const int mot_xy= 1 + mb_x*2 + (mb_y*2 + 1)*mot_stride;
|
|
|
|
assert(!s->mb_skiped);
|
|
|
|
memcpy(mv_cache[1][1], s->motion_val[mot_xy ], sizeof(int16_t)*4);
|
|
memcpy(mv_cache[2][1], s->motion_val[mot_xy+mot_stride], sizeof(int16_t)*4);
|
|
memcpy(mv_cache[3][1], s->motion_val[mot_xy+mot_stride], sizeof(int16_t)*4);
|
|
|
|
if(mb_y==0 || IS_INTRA(s->current_picture.mb_type[xy-s->mb_stride])){
|
|
memcpy(mv_cache[0][1], mv_cache[1][1], sizeof(int16_t)*4);
|
|
}else{
|
|
memcpy(mv_cache[0][1], s->motion_val[mot_xy-mot_stride], sizeof(int16_t)*4);
|
|
}
|
|
|
|
if(mb_x==0 || IS_INTRA(s->current_picture.mb_type[xy-1])){
|
|
*(int32_t*)mv_cache[1][0]= *(int32_t*)mv_cache[1][1];
|
|
*(int32_t*)mv_cache[2][0]= *(int32_t*)mv_cache[2][1];
|
|
}else{
|
|
*(int32_t*)mv_cache[1][0]= *(int32_t*)s->motion_val[mot_xy-1];
|
|
*(int32_t*)mv_cache[2][0]= *(int32_t*)s->motion_val[mot_xy-1+mot_stride];
|
|
}
|
|
|
|
if(mb_x+1>=s->mb_width || IS_INTRA(s->current_picture.mb_type[xy+1])){
|
|
*(int32_t*)mv_cache[1][3]= *(int32_t*)mv_cache[1][2];
|
|
*(int32_t*)mv_cache[2][3]= *(int32_t*)mv_cache[2][2];
|
|
}else{
|
|
*(int32_t*)mv_cache[1][3]= *(int32_t*)s->motion_val[mot_xy+2];
|
|
*(int32_t*)mv_cache[2][3]= *(int32_t*)s->motion_val[mot_xy+2+mot_stride];
|
|
}
|
|
|
|
mx = 0;
|
|
my = 0;
|
|
for(i=0;i<4;i++) {
|
|
const int x= (i&1)+1;
|
|
const int y= (i>>1)+1;
|
|
int16_t mv[5][2]= {
|
|
{mv_cache[y][x ][0], mv_cache[y][x ][1]},
|
|
{mv_cache[y-1][x][0], mv_cache[y-1][x][1]},
|
|
{mv_cache[y][x-1][0], mv_cache[y][x-1][1]},
|
|
{mv_cache[y][x+1][0], mv_cache[y][x+1][1]},
|
|
{mv_cache[y+1][x][0], mv_cache[y+1][x][1]}};
|
|
//FIXME cleanup
|
|
obmc_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
|
|
ref_picture[0],
|
|
mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8,
|
|
pix_op[1],
|
|
mv);
|
|
|
|
mx += mv[0][0];
|
|
my += mv[0][1];
|
|
}
|
|
if(!(s->flags&CODEC_FLAG_GRAY))
|
|
chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
|
|
|
|
return;
|
|
}
|
|
|
|
switch(s->mv_type) {
|
|
case MV_TYPE_16X16:
|
|
#ifdef CONFIG_RISKY
|
|
if(s->mcsel){
|
|
if(s->real_sprite_warping_points==1){
|
|
gmc1_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref_picture, 0);
|
|
}else{
|
|
gmc_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref_picture, 0);
|
|
}
|
|
}else if(s->quarter_sample){
|
|
qpel_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref_picture, 0,
|
|
0, pix_op, qpix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 16);
|
|
}else if(s->mspel){
|
|
ff_mspel_motion(s, dest_y, dest_cb, dest_cr,
|
|
ref_picture, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 16);
|
|
}else
|
|
#endif
|
|
{
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref_picture, 0,
|
|
0, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 16);
|
|
}
|
|
break;
|
|
case MV_TYPE_8X8:
|
|
mx = 0;
|
|
my = 0;
|
|
if(s->quarter_sample){
|
|
for(i=0;i<4;i++) {
|
|
motion_x = s->mv[dir][i][0];
|
|
motion_y = s->mv[dir][i][1];
|
|
|
|
dxy = ((motion_y & 3) << 2) | (motion_x & 3);
|
|
src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8;
|
|
src_y = mb_y * 16 + (motion_y >> 2) + (i >>1) * 8;
|
|
|
|
/* WARNING: do no forget half pels */
|
|
src_x = clip(src_x, -16, s->width);
|
|
if (src_x == s->width)
|
|
dxy &= ~3;
|
|
src_y = clip(src_y, -16, s->height);
|
|
if (src_y == s->height)
|
|
dxy &= ~12;
|
|
|
|
ptr = ref_picture[0] + (src_y * s->linesize) + (src_x);
|
|
if(s->flags&CODEC_FLAG_EMU_EDGE){
|
|
if( (unsigned)src_x > s->h_edge_pos - (motion_x&3) - 8
|
|
|| (unsigned)src_y > s->v_edge_pos - (motion_y&3) - 8 ){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
|
|
ptr= s->edge_emu_buffer;
|
|
}
|
|
}
|
|
dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize;
|
|
qpix_op[1][dxy](dest, ptr, s->linesize);
|
|
|
|
mx += s->mv[dir][i][0]/2;
|
|
my += s->mv[dir][i][1]/2;
|
|
}
|
|
}else{
|
|
for(i=0;i<4;i++) {
|
|
hpel_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
|
|
ref_picture[0],
|
|
mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8,
|
|
s->width, s->height, s->linesize,
|
|
s->h_edge_pos, s->v_edge_pos,
|
|
8, 8, pix_op[1],
|
|
s->mv[dir][i][0], s->mv[dir][i][1]);
|
|
|
|
mx += s->mv[dir][i][0];
|
|
my += s->mv[dir][i][1];
|
|
}
|
|
}
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY))
|
|
chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
|
|
break;
|
|
case MV_TYPE_FIELD:
|
|
if (s->picture_structure == PICT_FRAME) {
|
|
if(s->quarter_sample){
|
|
/* top field */
|
|
qpel_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref_picture, s->field_select[dir][0] ? s->linesize : 0,
|
|
1, pix_op, qpix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 8);
|
|
/* bottom field */
|
|
qpel_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
|
|
ref_picture, s->field_select[dir][1] ? s->linesize : 0,
|
|
1, pix_op, qpix_op,
|
|
s->mv[dir][1][0], s->mv[dir][1][1], 8);
|
|
}else{
|
|
/* top field */
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref_picture, s->field_select[dir][0] ? s->linesize : 0,
|
|
1, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 8);
|
|
/* bottom field */
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
|
|
ref_picture, s->field_select[dir][1] ? s->linesize : 0,
|
|
1, pix_op,
|
|
s->mv[dir][1][0], s->mv[dir][1][1], 8);
|
|
}
|
|
} else {
|
|
int offset;
|
|
if(s->picture_structure == s->field_select[dir][0] + 1 || s->pict_type == B_TYPE || s->first_field){
|
|
offset= s->field_select[dir][0] ? s->linesize : 0;
|
|
}else{
|
|
ref_picture= s->current_picture.data;
|
|
offset= s->field_select[dir][0] ? s->linesize : -s->linesize;
|
|
}
|
|
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref_picture, offset,
|
|
0, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 16);
|
|
}
|
|
break;
|
|
case MV_TYPE_16X8:{
|
|
int offset;
|
|
uint8_t ** ref2picture;
|
|
|
|
if(s->picture_structure == s->field_select[dir][0] + 1 || s->pict_type == B_TYPE || s->first_field){
|
|
ref2picture= ref_picture;
|
|
offset= s->field_select[dir][0] ? s->linesize : 0;
|
|
}else{
|
|
ref2picture= s->current_picture.data;
|
|
offset= s->field_select[dir][0] ? s->linesize : -s->linesize;
|
|
}
|
|
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref2picture, offset,
|
|
0, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 8);
|
|
|
|
|
|
if(s->picture_structure == s->field_select[dir][1] + 1 || s->pict_type == B_TYPE || s->first_field){
|
|
ref2picture= ref_picture;
|
|
offset= s->field_select[dir][1] ? s->linesize : 0;
|
|
}else{
|
|
ref2picture= s->current_picture.data;
|
|
offset= s->field_select[dir][1] ? s->linesize : -s->linesize;
|
|
}
|
|
// I know it is ugly but this is the only way to fool emu_edge without rewrite mpeg_motion
|
|
mpeg_motion(s, dest_y+16*s->linesize, dest_cb+8*s->uvlinesize, dest_cr+8*s->uvlinesize,
|
|
0,
|
|
ref2picture, offset,
|
|
0, pix_op,
|
|
s->mv[dir][1][0], s->mv[dir][1][1]+16, 8);
|
|
}
|
|
|
|
break;
|
|
case MV_TYPE_DMV:
|
|
{
|
|
op_pixels_func (*dmv_pix_op)[4];
|
|
int offset;
|
|
|
|
dmv_pix_op = s->dsp.put_pixels_tab;
|
|
|
|
if(s->picture_structure == PICT_FRAME){
|
|
//put top field from top field
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref_picture, 0,
|
|
1, dmv_pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 8);
|
|
//put bottom field from bottom field
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
|
|
ref_picture, s->linesize,
|
|
1, dmv_pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 8);
|
|
|
|
dmv_pix_op = s->dsp.avg_pixels_tab;
|
|
|
|
//avg top field from bottom field
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref_picture, s->linesize,
|
|
1, dmv_pix_op,
|
|
s->mv[dir][2][0], s->mv[dir][2][1], 8);
|
|
//avg bottom field from top field
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
|
|
ref_picture, 0,
|
|
1, dmv_pix_op,
|
|
s->mv[dir][3][0], s->mv[dir][3][1], 8);
|
|
|
|
}else{
|
|
offset=(s->picture_structure == PICT_BOTTOM_FIELD)?
|
|
s->linesize : 0;
|
|
|
|
//put field from the same parity
|
|
//same parity is never in the same frame
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref_picture,offset,
|
|
0,dmv_pix_op,
|
|
s->mv[dir][0][0],s->mv[dir][0][1],16);
|
|
|
|
// after put we make avg of the same block
|
|
dmv_pix_op=s->dsp.avg_pixels_tab;
|
|
|
|
//opposite parity is always in the same frame if this is second field
|
|
if(!s->first_field){
|
|
ref_picture = s->current_picture.data;
|
|
//top field is one linesize from frame beginig
|
|
offset=(s->picture_structure == PICT_BOTTOM_FIELD)?
|
|
-s->linesize : s->linesize;
|
|
}else
|
|
offset=(s->picture_structure == PICT_BOTTOM_FIELD)?
|
|
0 : s->linesize;
|
|
|
|
//avg field from the opposite parity
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr,0,
|
|
ref_picture, offset,
|
|
0,dmv_pix_op,
|
|
s->mv[dir][2][0],s->mv[dir][2][1],16);
|
|
}
|
|
}
|
|
break;
|
|
default: assert(0);
|
|
}
|
|
}
|
|
|
|
|
|
/* put block[] to dest[] */
|
|
static inline void put_dct(MpegEncContext *s,
|
|
DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale)
|
|
{
|
|
s->dct_unquantize(s, block, i, qscale);
|
|
s->dsp.idct_put (dest, line_size, block);
|
|
}
|
|
|
|
/* add block[] to dest[] */
|
|
static inline void add_dct(MpegEncContext *s,
|
|
DCTELEM *block, int i, uint8_t *dest, int line_size)
|
|
{
|
|
if (s->block_last_index[i] >= 0) {
|
|
s->dsp.idct_add (dest, line_size, block);
|
|
}
|
|
}
|
|
|
|
static inline void add_dequant_dct(MpegEncContext *s,
|
|
DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale)
|
|
{
|
|
if (s->block_last_index[i] >= 0) {
|
|
s->dct_unquantize(s, block, i, qscale);
|
|
|
|
s->dsp.idct_add (dest, line_size, block);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* cleans dc, ac, coded_block for the current non intra MB
|
|
*/
|
|
void ff_clean_intra_table_entries(MpegEncContext *s)
|
|
{
|
|
int wrap = s->block_wrap[0];
|
|
int xy = s->block_index[0];
|
|
|
|
s->dc_val[0][xy ] =
|
|
s->dc_val[0][xy + 1 ] =
|
|
s->dc_val[0][xy + wrap] =
|
|
s->dc_val[0][xy + 1 + wrap] = 1024;
|
|
/* ac pred */
|
|
memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t));
|
|
memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t));
|
|
if (s->msmpeg4_version>=3) {
|
|
s->coded_block[xy ] =
|
|
s->coded_block[xy + 1 ] =
|
|
s->coded_block[xy + wrap] =
|
|
s->coded_block[xy + 1 + wrap] = 0;
|
|
}
|
|
/* chroma */
|
|
wrap = s->block_wrap[4];
|
|
xy = s->mb_x + 1 + (s->mb_y + 1) * wrap;
|
|
s->dc_val[1][xy] =
|
|
s->dc_val[2][xy] = 1024;
|
|
/* ac pred */
|
|
memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t));
|
|
memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t));
|
|
|
|
s->mbintra_table[s->mb_x + s->mb_y*s->mb_stride]= 0;
|
|
}
|
|
|
|
/* generic function called after a macroblock has been parsed by the
|
|
decoder or after it has been encoded by the encoder.
|
|
|
|
Important variables used:
|
|
s->mb_intra : true if intra macroblock
|
|
s->mv_dir : motion vector direction
|
|
s->mv_type : motion vector type
|
|
s->mv : motion vector
|
|
s->interlaced_dct : true if interlaced dct used (mpeg2)
|
|
*/
|
|
void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
|
|
{
|
|
int mb_x, mb_y;
|
|
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
|
|
#ifdef HAVE_XVMC
|
|
if(s->avctx->xvmc_acceleration){
|
|
XVMC_decode_mb(s);//xvmc uses pblocks
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
mb_x = s->mb_x;
|
|
mb_y = s->mb_y;
|
|
|
|
s->current_picture.qscale_table[mb_xy]= s->qscale;
|
|
|
|
/* update DC predictors for P macroblocks */
|
|
if (!s->mb_intra) {
|
|
if (s->h263_pred || s->h263_aic) {
|
|
if(s->mbintra_table[mb_xy])
|
|
ff_clean_intra_table_entries(s);
|
|
} else {
|
|
s->last_dc[0] =
|
|
s->last_dc[1] =
|
|
s->last_dc[2] = 128 << s->intra_dc_precision;
|
|
}
|
|
}
|
|
else if (s->h263_pred || s->h263_aic)
|
|
s->mbintra_table[mb_xy]=1;
|
|
|
|
if ((s->flags&CODEC_FLAG_PSNR) || !(s->encoding && (s->intra_only || s->pict_type==B_TYPE))) { //FIXME precalc
|
|
uint8_t *dest_y, *dest_cb, *dest_cr;
|
|
int dct_linesize, dct_offset;
|
|
op_pixels_func (*op_pix)[4];
|
|
qpel_mc_func (*op_qpix)[16];
|
|
const int linesize= s->current_picture.linesize[0]; //not s->linesize as this woulnd be wrong for field pics
|
|
const int uvlinesize= s->current_picture.linesize[1];
|
|
const int readable= s->pict_type != B_TYPE || s->encoding || s->avctx->draw_horiz_band;
|
|
|
|
/* avoid copy if macroblock skipped in last frame too */
|
|
/* skip only during decoding as we might trash the buffers during encoding a bit */
|
|
if(!s->encoding){
|
|
uint8_t *mbskip_ptr = &s->mbskip_table[mb_xy];
|
|
const int age= s->current_picture.age;
|
|
|
|
assert(age);
|
|
|
|
if (s->mb_skiped) {
|
|
s->mb_skiped= 0;
|
|
assert(s->pict_type!=I_TYPE);
|
|
|
|
(*mbskip_ptr) ++; /* indicate that this time we skiped it */
|
|
if(*mbskip_ptr >99) *mbskip_ptr= 99;
|
|
|
|
/* if previous was skipped too, then nothing to do ! */
|
|
if (*mbskip_ptr >= age && s->current_picture.reference){
|
|
return;
|
|
}
|
|
} else if(!s->current_picture.reference){
|
|
(*mbskip_ptr) ++; /* increase counter so the age can be compared cleanly */
|
|
if(*mbskip_ptr >99) *mbskip_ptr= 99;
|
|
} else{
|
|
*mbskip_ptr = 0; /* not skipped */
|
|
}
|
|
}
|
|
|
|
if (s->interlaced_dct) {
|
|
dct_linesize = linesize * 2;
|
|
dct_offset = linesize;
|
|
} else {
|
|
dct_linesize = linesize;
|
|
dct_offset = linesize * 8;
|
|
}
|
|
if(readable){
|
|
dest_y= s->dest[0];
|
|
dest_cb= s->dest[1];
|
|
dest_cr= s->dest[2];
|
|
}else{
|
|
dest_y = s->edge_emu_buffer+32; //FIXME cleanup scratchpad pointers
|
|
dest_cb= s->edge_emu_buffer+48;
|
|
dest_cr= s->edge_emu_buffer+56;
|
|
}
|
|
if (!s->mb_intra) {
|
|
/* motion handling */
|
|
/* decoding or more than one mb_type (MC was allready done otherwise) */
|
|
if(!s->encoding){
|
|
if ((!s->no_rounding) || s->pict_type==B_TYPE){
|
|
op_pix = s->dsp.put_pixels_tab;
|
|
op_qpix= s->dsp.put_qpel_pixels_tab;
|
|
}else{
|
|
op_pix = s->dsp.put_no_rnd_pixels_tab;
|
|
op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
|
|
}
|
|
|
|
if (s->mv_dir & MV_DIR_FORWARD) {
|
|
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
|
|
op_pix = s->dsp.avg_pixels_tab;
|
|
op_qpix= s->dsp.avg_qpel_pixels_tab;
|
|
}
|
|
if (s->mv_dir & MV_DIR_BACKWARD) {
|
|
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
|
|
}
|
|
}
|
|
|
|
/* skip dequant / idct if we are really late ;) */
|
|
if(s->hurry_up>1) return;
|
|
|
|
/* add dct residue */
|
|
if(s->encoding || !( s->h263_msmpeg4 || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO
|
|
|| (s->codec_id==CODEC_ID_MPEG4 && !s->mpeg_quant))){
|
|
add_dequant_dct(s, block[0], 0, dest_y, dct_linesize, s->qscale);
|
|
add_dequant_dct(s, block[1], 1, dest_y + 8, dct_linesize, s->qscale);
|
|
add_dequant_dct(s, block[2], 2, dest_y + dct_offset, dct_linesize, s->qscale);
|
|
add_dequant_dct(s, block[3], 3, dest_y + dct_offset + 8, dct_linesize, s->qscale);
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
|
|
add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
|
|
}
|
|
} else if(s->codec_id != CODEC_ID_WMV2){
|
|
add_dct(s, block[0], 0, dest_y, dct_linesize);
|
|
add_dct(s, block[1], 1, dest_y + 8, dct_linesize);
|
|
add_dct(s, block[2], 2, dest_y + dct_offset, dct_linesize);
|
|
add_dct(s, block[3], 3, dest_y + dct_offset + 8, dct_linesize);
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
add_dct(s, block[4], 4, dest_cb, uvlinesize);
|
|
add_dct(s, block[5], 5, dest_cr, uvlinesize);
|
|
}
|
|
}
|
|
#ifdef CONFIG_RISKY
|
|
else{
|
|
ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr);
|
|
}
|
|
#endif
|
|
} else {
|
|
/* dct only in intra block */
|
|
if(s->encoding || !(s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO)){
|
|
put_dct(s, block[0], 0, dest_y, dct_linesize, s->qscale);
|
|
put_dct(s, block[1], 1, dest_y + 8, dct_linesize, s->qscale);
|
|
put_dct(s, block[2], 2, dest_y + dct_offset, dct_linesize, s->qscale);
|
|
put_dct(s, block[3], 3, dest_y + dct_offset + 8, dct_linesize, s->qscale);
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
|
|
put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
|
|
}
|
|
}else{
|
|
s->dsp.idct_put(dest_y , dct_linesize, block[0]);
|
|
s->dsp.idct_put(dest_y + 8, dct_linesize, block[1]);
|
|
s->dsp.idct_put(dest_y + dct_offset , dct_linesize, block[2]);
|
|
s->dsp.idct_put(dest_y + dct_offset + 8, dct_linesize, block[3]);
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
s->dsp.idct_put(dest_cb, uvlinesize, block[4]);
|
|
s->dsp.idct_put(dest_cr, uvlinesize, block[5]);
|
|
}
|
|
}
|
|
}
|
|
if(!readable){
|
|
s->dsp.put_pixels_tab[0][0](s->dest[0], dest_y , linesize,16);
|
|
s->dsp.put_pixels_tab[1][0](s->dest[1], dest_cb, uvlinesize, 8);
|
|
s->dsp.put_pixels_tab[1][0](s->dest[2], dest_cr, uvlinesize, 8);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
|
|
static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
|
|
{
|
|
static const char tab[64]=
|
|
{3,2,2,1,1,1,1,1,
|
|
1,1,1,1,1,1,1,1,
|
|
1,1,1,1,1,1,1,1,
|
|
0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0};
|
|
int score=0;
|
|
int run=0;
|
|
int i;
|
|
DCTELEM *block= s->block[n];
|
|
const int last_index= s->block_last_index[n];
|
|
int skip_dc;
|
|
|
|
if(threshold<0){
|
|
skip_dc=0;
|
|
threshold= -threshold;
|
|
}else
|
|
skip_dc=1;
|
|
|
|
/* are all which we could set to zero are allready zero? */
|
|
if(last_index<=skip_dc - 1) return;
|
|
|
|
for(i=0; i<=last_index; i++){
|
|
const int j = s->intra_scantable.permutated[i];
|
|
const int level = ABS(block[j]);
|
|
if(level==1){
|
|
if(skip_dc && i==0) continue;
|
|
score+= tab[run];
|
|
run=0;
|
|
}else if(level>1){
|
|
return;
|
|
}else{
|
|
run++;
|
|
}
|
|
}
|
|
if(score >= threshold) return;
|
|
for(i=skip_dc; i<=last_index; i++){
|
|
const int j = s->intra_scantable.permutated[i];
|
|
block[j]=0;
|
|
}
|
|
if(block[0]) s->block_last_index[n]= 0;
|
|
else s->block_last_index[n]= -1;
|
|
}
|
|
|
|
static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
|
|
{
|
|
int i;
|
|
const int maxlevel= s->max_qcoeff;
|
|
const int minlevel= s->min_qcoeff;
|
|
|
|
if(s->mb_intra){
|
|
i=1; //skip clipping of intra dc
|
|
}else
|
|
i=0;
|
|
|
|
for(;i<=last_index; i++){
|
|
const int j= s->intra_scantable.permutated[i];
|
|
int level = block[j];
|
|
|
|
if (level>maxlevel) level=maxlevel;
|
|
else if(level<minlevel) level=minlevel;
|
|
|
|
block[j]= level;
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
static int pix_vcmp16x8(uint8_t *s, int stride){ //FIXME move to dsputil & optimize
|
|
int score=0;
|
|
int x,y;
|
|
|
|
for(y=0; y<7; y++){
|
|
for(x=0; x<16; x+=4){
|
|
score+= ABS(s[x ] - s[x +stride]) + ABS(s[x+1] - s[x+1+stride])
|
|
+ABS(s[x+2] - s[x+2+stride]) + ABS(s[x+3] - s[x+3+stride]);
|
|
}
|
|
s+= stride;
|
|
}
|
|
|
|
return score;
|
|
}
|
|
|
|
static int pix_diff_vcmp16x8(uint8_t *s1, uint8_t*s2, int stride){ //FIXME move to dsputil & optimize
|
|
int score=0;
|
|
int x,y;
|
|
|
|
for(y=0; y<7; y++){
|
|
for(x=0; x<16; x++){
|
|
score+= ABS(s1[x ] - s2[x ] - s1[x +stride] + s2[x +stride]);
|
|
}
|
|
s1+= stride;
|
|
s2+= stride;
|
|
}
|
|
|
|
return score;
|
|
}
|
|
#else
|
|
#define SQ(a) ((a)*(a))
|
|
|
|
static int pix_vcmp16x8(uint8_t *s, int stride){ //FIXME move to dsputil & optimize
|
|
int score=0;
|
|
int x,y;
|
|
|
|
for(y=0; y<7; y++){
|
|
for(x=0; x<16; x+=4){
|
|
score+= SQ(s[x ] - s[x +stride]) + SQ(s[x+1] - s[x+1+stride])
|
|
+SQ(s[x+2] - s[x+2+stride]) + SQ(s[x+3] - s[x+3+stride]);
|
|
}
|
|
s+= stride;
|
|
}
|
|
|
|
return score;
|
|
}
|
|
|
|
static int pix_diff_vcmp16x8(uint8_t *s1, uint8_t*s2, int stride){ //FIXME move to dsputil & optimize
|
|
int score=0;
|
|
int x,y;
|
|
|
|
for(y=0; y<7; y++){
|
|
for(x=0; x<16; x++){
|
|
score+= SQ(s1[x ] - s2[x ] - s1[x +stride] + s2[x +stride]);
|
|
}
|
|
s1+= stride;
|
|
s2+= stride;
|
|
}
|
|
|
|
return score;
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif //CONFIG_ENCODERS
|
|
|
|
/**
|
|
*
|
|
* @param h is the normal height, this will be reduced automatically if needed for the last row
|
|
*/
|
|
void ff_draw_horiz_band(MpegEncContext *s, int y, int h){
|
|
if (s->avctx->draw_horiz_band) {
|
|
AVFrame *src;
|
|
int offset[4];
|
|
|
|
if(s->picture_structure != PICT_FRAME){
|
|
h <<= 1;
|
|
y <<= 1;
|
|
if(s->first_field && !(s->avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)) return;
|
|
}
|
|
|
|
h= FFMIN(h, s->height - y);
|
|
|
|
if(s->pict_type==B_TYPE || s->low_delay || (s->avctx->slice_flags&SLICE_FLAG_CODED_ORDER))
|
|
src= (AVFrame*)s->current_picture_ptr;
|
|
else if(s->last_picture_ptr)
|
|
src= (AVFrame*)s->last_picture_ptr;
|
|
else
|
|
return;
|
|
|
|
if(s->pict_type==B_TYPE && s->picture_structure == PICT_FRAME && s->out_format != FMT_H264){
|
|
offset[0]=
|
|
offset[1]=
|
|
offset[2]=
|
|
offset[3]= 0;
|
|
}else{
|
|
offset[0]= y * s->linesize;;
|
|
offset[1]=
|
|
offset[2]= (y>>1) * s->uvlinesize;;
|
|
offset[3]= 0;
|
|
}
|
|
|
|
emms_c();
|
|
|
|
s->avctx->draw_horiz_band(s->avctx, src, offset,
|
|
y, s->picture_structure, h);
|
|
}
|
|
}
|
|
|
|
void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename
|
|
const int linesize= s->current_picture.linesize[0]; //not s->linesize as this woulnd be wrong for field pics
|
|
const int uvlinesize= s->current_picture.linesize[1];
|
|
|
|
s->block_index[0]= s->block_wrap[0]*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
|
|
s->block_index[1]= s->block_wrap[0]*(s->mb_y*2 + 1) + s->mb_x*2;
|
|
s->block_index[2]= s->block_wrap[0]*(s->mb_y*2 + 2) - 1 + s->mb_x*2;
|
|
s->block_index[3]= s->block_wrap[0]*(s->mb_y*2 + 2) + s->mb_x*2;
|
|
s->block_index[4]= s->block_wrap[4]*(s->mb_y + 1) + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
|
|
s->block_index[5]= s->block_wrap[4]*(s->mb_y + 1 + s->mb_height + 2) + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
|
|
|
|
if(s->pict_type==B_TYPE && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME){
|
|
s->dest[0] = s->current_picture.data[0] + s->mb_x * 16 - 16;
|
|
s->dest[1] = s->current_picture.data[1] + s->mb_x * 8 - 8;
|
|
s->dest[2] = s->current_picture.data[2] + s->mb_x * 8 - 8;
|
|
}else{
|
|
s->dest[0] = s->current_picture.data[0] + (s->mb_y * 16* linesize ) + s->mb_x * 16 - 16;
|
|
s->dest[1] = s->current_picture.data[1] + (s->mb_y * 8 * uvlinesize) + s->mb_x * 8 - 8;
|
|
s->dest[2] = s->current_picture.data[2] + (s->mb_y * 8 * uvlinesize) + s->mb_x * 8 - 8;
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
|
|
static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
|
|
{
|
|
const int mb_x= s->mb_x;
|
|
const int mb_y= s->mb_y;
|
|
int i;
|
|
int skip_dct[6];
|
|
int dct_offset = s->linesize*8; //default for progressive frames
|
|
|
|
for(i=0; i<6; i++) skip_dct[i]=0;
|
|
|
|
if(s->adaptive_quant){
|
|
const int last_qp= s->qscale;
|
|
const int mb_xy= mb_x + mb_y*s->mb_stride;
|
|
|
|
s->lambda= s->lambda_table[mb_xy];
|
|
update_qscale(s);
|
|
|
|
if(!(s->flags&CODEC_FLAG_QP_RD)){
|
|
s->dquant= s->qscale - last_qp;
|
|
|
|
if(s->out_format==FMT_H263)
|
|
s->dquant= clip(s->dquant, -2, 2); //FIXME RD
|
|
|
|
if(s->codec_id==CODEC_ID_MPEG4){
|
|
if(!s->mb_intra){
|
|
if((s->mv_dir&MV_DIRECT) || s->mv_type==MV_TYPE_8X8)
|
|
s->dquant=0;
|
|
}
|
|
}
|
|
}
|
|
ff_set_qscale(s, last_qp + s->dquant);
|
|
}
|
|
|
|
if (s->mb_intra) {
|
|
uint8_t *ptr;
|
|
int wrap_y;
|
|
int emu=0;
|
|
|
|
wrap_y = s->linesize;
|
|
ptr = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
|
|
|
|
if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
|
|
ptr= s->edge_emu_buffer;
|
|
emu=1;
|
|
}
|
|
|
|
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
|
|
int progressive_score, interlaced_score;
|
|
|
|
progressive_score= pix_vcmp16x8(ptr, wrap_y ) + pix_vcmp16x8(ptr + wrap_y*8, wrap_y );
|
|
interlaced_score = pix_vcmp16x8(ptr, wrap_y*2) + pix_vcmp16x8(ptr + wrap_y , wrap_y*2);
|
|
|
|
if(progressive_score > interlaced_score + 100){
|
|
s->interlaced_dct=1;
|
|
|
|
dct_offset= wrap_y;
|
|
wrap_y<<=1;
|
|
}else
|
|
s->interlaced_dct=0;
|
|
}
|
|
|
|
s->dsp.get_pixels(s->block[0], ptr , wrap_y);
|
|
s->dsp.get_pixels(s->block[1], ptr + 8, wrap_y);
|
|
s->dsp.get_pixels(s->block[2], ptr + dct_offset , wrap_y);
|
|
s->dsp.get_pixels(s->block[3], ptr + dct_offset + 8, wrap_y);
|
|
|
|
if(s->flags&CODEC_FLAG_GRAY){
|
|
skip_dct[4]= 1;
|
|
skip_dct[5]= 1;
|
|
}else{
|
|
int wrap_c = s->uvlinesize;
|
|
ptr = s->new_picture.data[1] + (mb_y * 8 * wrap_c) + mb_x * 8;
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
|
|
ptr= s->edge_emu_buffer;
|
|
}
|
|
s->dsp.get_pixels(s->block[4], ptr, wrap_c);
|
|
|
|
ptr = s->new_picture.data[2] + (mb_y * 8 * wrap_c) + mb_x * 8;
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
|
|
ptr= s->edge_emu_buffer;
|
|
}
|
|
s->dsp.get_pixels(s->block[5], ptr, wrap_c);
|
|
}
|
|
}else{
|
|
op_pixels_func (*op_pix)[4];
|
|
qpel_mc_func (*op_qpix)[16];
|
|
uint8_t *dest_y, *dest_cb, *dest_cr;
|
|
uint8_t *ptr_y, *ptr_cb, *ptr_cr;
|
|
int wrap_y, wrap_c;
|
|
int emu=0;
|
|
|
|
dest_y = s->dest[0];
|
|
dest_cb = s->dest[1];
|
|
dest_cr = s->dest[2];
|
|
wrap_y = s->linesize;
|
|
wrap_c = s->uvlinesize;
|
|
ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
|
|
ptr_cb = s->new_picture.data[1] + (mb_y * 8 * wrap_c) + mb_x * 8;
|
|
ptr_cr = s->new_picture.data[2] + (mb_y * 8 * wrap_c) + mb_x * 8;
|
|
|
|
if ((!s->no_rounding) || s->pict_type==B_TYPE){
|
|
op_pix = s->dsp.put_pixels_tab;
|
|
op_qpix= s->dsp.put_qpel_pixels_tab;
|
|
}else{
|
|
op_pix = s->dsp.put_no_rnd_pixels_tab;
|
|
op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
|
|
}
|
|
|
|
if (s->mv_dir & MV_DIR_FORWARD) {
|
|
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
|
|
op_pix = s->dsp.avg_pixels_tab;
|
|
op_qpix= s->dsp.avg_qpel_pixels_tab;
|
|
}
|
|
if (s->mv_dir & MV_DIR_BACKWARD) {
|
|
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
|
|
}
|
|
|
|
if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
|
|
ptr_y= s->edge_emu_buffer;
|
|
emu=1;
|
|
}
|
|
|
|
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
|
|
int progressive_score, interlaced_score;
|
|
|
|
progressive_score= pix_diff_vcmp16x8(ptr_y , dest_y , wrap_y )
|
|
+ pix_diff_vcmp16x8(ptr_y + wrap_y*8, dest_y + wrap_y*8, wrap_y );
|
|
interlaced_score = pix_diff_vcmp16x8(ptr_y , dest_y , wrap_y*2)
|
|
+ pix_diff_vcmp16x8(ptr_y + wrap_y , dest_y + wrap_y , wrap_y*2);
|
|
|
|
if(progressive_score > interlaced_score + 600){
|
|
s->interlaced_dct=1;
|
|
|
|
dct_offset= wrap_y;
|
|
wrap_y<<=1;
|
|
}else
|
|
s->interlaced_dct=0;
|
|
}
|
|
|
|
s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
|
|
s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
|
|
s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
|
|
s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
|
|
|
|
if(s->flags&CODEC_FLAG_GRAY){
|
|
skip_dct[4]= 1;
|
|
skip_dct[5]= 1;
|
|
}else{
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr_cb, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
|
|
ptr_cb= s->edge_emu_buffer;
|
|
}
|
|
s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, ptr_cr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
|
|
ptr_cr= s->edge_emu_buffer;
|
|
}
|
|
s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
|
|
}
|
|
/* pre quantization */
|
|
if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
|
|
//FIXME optimize
|
|
if(s->dsp.pix_abs8x8(ptr_y , dest_y , wrap_y) < 20*s->qscale) skip_dct[0]= 1;
|
|
if(s->dsp.pix_abs8x8(ptr_y + 8, dest_y + 8, wrap_y) < 20*s->qscale) skip_dct[1]= 1;
|
|
if(s->dsp.pix_abs8x8(ptr_y +dct_offset , dest_y +dct_offset , wrap_y) < 20*s->qscale) skip_dct[2]= 1;
|
|
if(s->dsp.pix_abs8x8(ptr_y +dct_offset+ 8, dest_y +dct_offset+ 8, wrap_y) < 20*s->qscale) skip_dct[3]= 1;
|
|
if(s->dsp.pix_abs8x8(ptr_cb , dest_cb , wrap_c) < 20*s->qscale) skip_dct[4]= 1;
|
|
if(s->dsp.pix_abs8x8(ptr_cr , dest_cr , wrap_c) < 20*s->qscale) skip_dct[5]= 1;
|
|
#if 0
|
|
{
|
|
static int stat[7];
|
|
int num=0;
|
|
for(i=0; i<6; i++)
|
|
if(skip_dct[i]) num++;
|
|
stat[num]++;
|
|
|
|
if(s->mb_x==0 && s->mb_y==0){
|
|
for(i=0; i<7; i++){
|
|
printf("%6d %1d\n", stat[i], i);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
}
|
|
|
|
/* DCT & quantize */
|
|
if(s->out_format==FMT_MJPEG){
|
|
for(i=0;i<6;i++) {
|
|
int overflow;
|
|
s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, 8, &overflow);
|
|
if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
|
|
}
|
|
}else{
|
|
for(i=0;i<6;i++) {
|
|
if(!skip_dct[i]){
|
|
int overflow;
|
|
s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
|
|
// FIXME we could decide to change to quantizer instead of clipping
|
|
// JS: I don't think that would be a good idea it could lower quality instead
|
|
// of improve it. Just INTRADC clipping deserves changes in quantizer
|
|
if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
|
|
}else
|
|
s->block_last_index[i]= -1;
|
|
}
|
|
|
|
if(s->luma_elim_threshold && !s->mb_intra)
|
|
for(i=0; i<4; i++)
|
|
dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
|
|
if(s->chroma_elim_threshold && !s->mb_intra)
|
|
for(i=4; i<6; i++)
|
|
dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
|
|
|
|
if(s->flags & CODEC_FLAG_CBP_RD){
|
|
for(i=0;i<6;i++) {
|
|
if(s->block_last_index[i] == -1)
|
|
s->coded_score[i]= INT_MAX/256;
|
|
}
|
|
}
|
|
}
|
|
|
|
if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
|
|
s->block_last_index[4]=
|
|
s->block_last_index[5]= 0;
|
|
s->block[4][0]=
|
|
s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
|
|
}
|
|
|
|
/* huffman encode */
|
|
switch(s->codec_id){ //FIXME funct ptr could be slightly faster
|
|
case CODEC_ID_MPEG1VIDEO:
|
|
case CODEC_ID_MPEG2VIDEO:
|
|
mpeg1_encode_mb(s, s->block, motion_x, motion_y); break;
|
|
#ifdef CONFIG_RISKY
|
|
case CODEC_ID_MPEG4:
|
|
mpeg4_encode_mb(s, s->block, motion_x, motion_y); break;
|
|
case CODEC_ID_MSMPEG4V2:
|
|
case CODEC_ID_MSMPEG4V3:
|
|
case CODEC_ID_WMV1:
|
|
msmpeg4_encode_mb(s, s->block, motion_x, motion_y); break;
|
|
case CODEC_ID_WMV2:
|
|
ff_wmv2_encode_mb(s, s->block, motion_x, motion_y); break;
|
|
case CODEC_ID_H263:
|
|
case CODEC_ID_H263P:
|
|
case CODEC_ID_FLV1:
|
|
case CODEC_ID_RV10:
|
|
h263_encode_mb(s, s->block, motion_x, motion_y); break;
|
|
#endif
|
|
case CODEC_ID_MJPEG:
|
|
mjpeg_encode_mb(s, s->block); break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
#endif //CONFIG_ENCODERS
|
|
|
|
/**
|
|
* combines the (truncated) bitstream to a complete frame
|
|
* @returns -1 if no complete frame could be created
|
|
*/
|
|
int ff_combine_frame( MpegEncContext *s, int next, uint8_t **buf, int *buf_size){
|
|
ParseContext *pc= &s->parse_context;
|
|
|
|
#if 0
|
|
if(pc->overread){
|
|
printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
|
|
printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
|
|
}
|
|
#endif
|
|
|
|
/* copy overreaded byes from last frame into buffer */
|
|
for(; pc->overread>0; pc->overread--){
|
|
pc->buffer[pc->index++]= pc->buffer[pc->overread_index++];
|
|
}
|
|
|
|
pc->last_index= pc->index;
|
|
|
|
/* copy into buffer end return */
|
|
if(next == END_NOT_FOUND){
|
|
pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, (*buf_size) + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
|
|
|
|
memcpy(&pc->buffer[pc->index], *buf, *buf_size);
|
|
pc->index += *buf_size;
|
|
return -1;
|
|
}
|
|
|
|
*buf_size=
|
|
pc->overread_index= pc->index + next;
|
|
|
|
/* append to buffer */
|
|
if(pc->index){
|
|
pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, next + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
|
|
|
|
memcpy(&pc->buffer[pc->index], *buf, next + FF_INPUT_BUFFER_PADDING_SIZE );
|
|
pc->index = 0;
|
|
*buf= pc->buffer;
|
|
}
|
|
|
|
/* store overread bytes */
|
|
for(;next < 0; next++){
|
|
pc->state = (pc->state<<8) | pc->buffer[pc->last_index + next];
|
|
pc->overread++;
|
|
}
|
|
|
|
#if 0
|
|
if(pc->overread){
|
|
printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
|
|
printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
void ff_mpeg_flush(AVCodecContext *avctx){
|
|
int i;
|
|
MpegEncContext *s = avctx->priv_data;
|
|
|
|
for(i=0; i<MAX_PICTURE_COUNT; i++){
|
|
if(s->picture[i].data[0] && ( s->picture[i].type == FF_BUFFER_TYPE_INTERNAL
|
|
|| s->picture[i].type == FF_BUFFER_TYPE_USER))
|
|
avctx->release_buffer(avctx, (AVFrame*)&s->picture[i]);
|
|
}
|
|
s->current_picture_ptr = s->last_picture_ptr = s->next_picture_ptr = NULL;
|
|
|
|
s->parse_context.state= -1;
|
|
s->parse_context.frame_start_found= 0;
|
|
s->parse_context.overread= 0;
|
|
s->parse_context.overread_index= 0;
|
|
s->parse_context.index= 0;
|
|
s->parse_context.last_index= 0;
|
|
}
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
void ff_copy_bits(PutBitContext *pb, uint8_t *src, int length)
|
|
{
|
|
int bytes= length>>4;
|
|
int bits= length&15;
|
|
int i;
|
|
|
|
if(length==0) return;
|
|
|
|
for(i=0; i<bytes; i++) put_bits(pb, 16, be2me_16(((uint16_t*)src)[i]));
|
|
put_bits(pb, bits, be2me_16(((uint16_t*)src)[i])>>(16-bits));
|
|
}
|
|
|
|
static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
|
|
int i;
|
|
|
|
memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
|
|
|
|
/* mpeg1 */
|
|
d->mb_skip_run= s->mb_skip_run;
|
|
for(i=0; i<3; i++)
|
|
d->last_dc[i]= s->last_dc[i];
|
|
|
|
/* statistics */
|
|
d->mv_bits= s->mv_bits;
|
|
d->i_tex_bits= s->i_tex_bits;
|
|
d->p_tex_bits= s->p_tex_bits;
|
|
d->i_count= s->i_count;
|
|
d->f_count= s->f_count;
|
|
d->b_count= s->b_count;
|
|
d->skip_count= s->skip_count;
|
|
d->misc_bits= s->misc_bits;
|
|
d->last_bits= 0;
|
|
|
|
d->mb_skiped= 0;
|
|
d->qscale= s->qscale;
|
|
d->dquant= s->dquant;
|
|
}
|
|
|
|
static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
|
|
int i;
|
|
|
|
memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
|
|
memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
|
|
|
|
/* mpeg1 */
|
|
d->mb_skip_run= s->mb_skip_run;
|
|
for(i=0; i<3; i++)
|
|
d->last_dc[i]= s->last_dc[i];
|
|
|
|
/* statistics */
|
|
d->mv_bits= s->mv_bits;
|
|
d->i_tex_bits= s->i_tex_bits;
|
|
d->p_tex_bits= s->p_tex_bits;
|
|
d->i_count= s->i_count;
|
|
d->f_count= s->f_count;
|
|
d->b_count= s->b_count;
|
|
d->skip_count= s->skip_count;
|
|
d->misc_bits= s->misc_bits;
|
|
|
|
d->mb_intra= s->mb_intra;
|
|
d->mb_skiped= s->mb_skiped;
|
|
d->mv_type= s->mv_type;
|
|
d->mv_dir= s->mv_dir;
|
|
d->pb= s->pb;
|
|
if(s->data_partitioning){
|
|
d->pb2= s->pb2;
|
|
d->tex_pb= s->tex_pb;
|
|
}
|
|
d->block= s->block;
|
|
for(i=0; i<6; i++)
|
|
d->block_last_index[i]= s->block_last_index[i];
|
|
d->interlaced_dct= s->interlaced_dct;
|
|
d->qscale= s->qscale;
|
|
}
|
|
|
|
static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
|
|
PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
|
|
int *dmin, int *next_block, int motion_x, int motion_y)
|
|
{
|
|
int score;
|
|
uint8_t *dest_backup[3];
|
|
|
|
copy_context_before_encode(s, backup, type);
|
|
|
|
s->block= s->blocks[*next_block];
|
|
s->pb= pb[*next_block];
|
|
if(s->data_partitioning){
|
|
s->pb2 = pb2 [*next_block];
|
|
s->tex_pb= tex_pb[*next_block];
|
|
}
|
|
|
|
if(*next_block){
|
|
memcpy(dest_backup, s->dest, sizeof(s->dest));
|
|
s->dest[0] = s->me.scratchpad;
|
|
s->dest[1] = s->me.scratchpad + 16;
|
|
s->dest[2] = s->me.scratchpad + 16 + 8;
|
|
assert(2*s->uvlinesize == s->linesize); //should be no prob for encoding
|
|
assert(s->linesize >= 64); //FIXME
|
|
}
|
|
|
|
encode_mb(s, motion_x, motion_y);
|
|
|
|
score= get_bit_count(&s->pb);
|
|
if(s->data_partitioning){
|
|
score+= get_bit_count(&s->pb2);
|
|
score+= get_bit_count(&s->tex_pb);
|
|
}
|
|
|
|
if(s->avctx->mb_decision == FF_MB_DECISION_RD){
|
|
MPV_decode_mb(s, s->block);
|
|
|
|
score *= s->lambda2;
|
|
score += sse_mb(s) << FF_LAMBDA_SHIFT;
|
|
}
|
|
|
|
if(*next_block){
|
|
memcpy(s->dest, dest_backup, sizeof(s->dest));
|
|
}
|
|
|
|
if(score<*dmin){
|
|
*dmin= score;
|
|
*next_block^=1;
|
|
|
|
copy_context_after_encode(best, s, type);
|
|
}
|
|
}
|
|
|
|
static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
|
|
uint32_t *sq = squareTbl + 256;
|
|
int acc=0;
|
|
int x,y;
|
|
|
|
if(w==16 && h==16)
|
|
return s->dsp.sse[0](NULL, src1, src2, stride);
|
|
else if(w==8 && h==8)
|
|
return s->dsp.sse[1](NULL, src1, src2, stride);
|
|
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
|
|
}
|
|
}
|
|
|
|
assert(acc>=0);
|
|
|
|
return acc;
|
|
}
|
|
|
|
static int sse_mb(MpegEncContext *s){
|
|
int w= 16;
|
|
int h= 16;
|
|
|
|
if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
|
|
if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
|
|
|
|
if(w==16 && h==16)
|
|
return s->dsp.sse[0](NULL, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize)
|
|
+s->dsp.sse[1](NULL, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize)
|
|
+s->dsp.sse[1](NULL, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize);
|
|
else
|
|
return sse(s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize)
|
|
+sse(s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], w>>1, h>>1, s->uvlinesize)
|
|
+sse(s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], w>>1, h>>1, s->uvlinesize);
|
|
}
|
|
|
|
static void encode_picture(MpegEncContext *s, int picture_number)
|
|
{
|
|
int mb_x, mb_y, pdif = 0;
|
|
int i;
|
|
int bits;
|
|
MpegEncContext best_s, backup_s;
|
|
uint8_t bit_buf[2][3000];
|
|
uint8_t bit_buf2[2][3000];
|
|
uint8_t bit_buf_tex[2][3000];
|
|
PutBitContext pb[2], pb2[2], tex_pb[2];
|
|
|
|
for(i=0; i<2; i++){
|
|
init_put_bits(&pb [i], bit_buf [i], 3000);
|
|
init_put_bits(&pb2 [i], bit_buf2 [i], 3000);
|
|
init_put_bits(&tex_pb[i], bit_buf_tex[i], 3000);
|
|
}
|
|
|
|
s->picture_number = picture_number;
|
|
|
|
/* Reset the average MB variance */
|
|
s->current_picture.mb_var_sum = 0;
|
|
s->current_picture.mc_mb_var_sum = 0;
|
|
|
|
#ifdef CONFIG_RISKY
|
|
/* we need to initialize some time vars before we can encode b-frames */
|
|
// RAL: Condition added for MPEG1VIDEO
|
|
if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
|
|
ff_set_mpeg4_time(s, s->picture_number);
|
|
#endif
|
|
|
|
s->scene_change_score=0;
|
|
|
|
s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME ratedistoration
|
|
|
|
if(s->pict_type==I_TYPE){
|
|
if(s->msmpeg4_version >= 3) s->no_rounding=1;
|
|
else s->no_rounding=0;
|
|
}else if(s->pict_type!=B_TYPE){
|
|
if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
|
|
s->no_rounding ^= 1;
|
|
}
|
|
|
|
/* Estimate motion for every MB */
|
|
s->mb_intra=0; //for the rate distoration & bit compare functions
|
|
if(s->pict_type != I_TYPE){
|
|
if(s->pict_type != B_TYPE){
|
|
if((s->avctx->pre_me && s->last_non_b_pict_type==I_TYPE) || s->avctx->pre_me==2){
|
|
s->me.pre_pass=1;
|
|
s->me.dia_size= s->avctx->pre_dia_size;
|
|
|
|
for(mb_y=s->mb_height-1; mb_y >=0 ; mb_y--) {
|
|
for(mb_x=s->mb_width-1; mb_x >=0 ; mb_x--) {
|
|
s->mb_x = mb_x;
|
|
s->mb_y = mb_y;
|
|
ff_pre_estimate_p_frame_motion(s, mb_x, mb_y);
|
|
}
|
|
}
|
|
s->me.pre_pass=0;
|
|
}
|
|
}
|
|
|
|
s->me.dia_size= s->avctx->dia_size;
|
|
for(mb_y=0; mb_y < s->mb_height; mb_y++) {
|
|
s->block_index[0]= s->block_wrap[0]*(mb_y*2 + 1) - 1;
|
|
s->block_index[1]= s->block_wrap[0]*(mb_y*2 + 1);
|
|
s->block_index[2]= s->block_wrap[0]*(mb_y*2 + 2) - 1;
|
|
s->block_index[3]= s->block_wrap[0]*(mb_y*2 + 2);
|
|
for(mb_x=0; mb_x < s->mb_width; mb_x++) {
|
|
s->mb_x = mb_x;
|
|
s->mb_y = mb_y;
|
|
s->block_index[0]+=2;
|
|
s->block_index[1]+=2;
|
|
s->block_index[2]+=2;
|
|
s->block_index[3]+=2;
|
|
|
|
/* compute motion vector & mb_type and store in context */
|
|
if(s->pict_type==B_TYPE)
|
|
ff_estimate_b_frame_motion(s, mb_x, mb_y);
|
|
else
|
|
ff_estimate_p_frame_motion(s, mb_x, mb_y);
|
|
}
|
|
}
|
|
}else /* if(s->pict_type == I_TYPE) */{
|
|
/* I-Frame */
|
|
//FIXME do we need to zero them?
|
|
memset(s->motion_val[0], 0, sizeof(int16_t)*(s->mb_width*2 + 2)*(s->mb_height*2 + 2)*2);
|
|
memset(s->p_mv_table , 0, sizeof(int16_t)*(s->mb_stride)*s->mb_height*2);
|
|
memset(s->mb_type , MB_TYPE_INTRA, sizeof(uint8_t)*s->mb_stride*s->mb_height);
|
|
|
|
if(!s->fixed_qscale){
|
|
/* finding spatial complexity for I-frame rate control */
|
|
for(mb_y=0; mb_y < s->mb_height; mb_y++) {
|
|
for(mb_x=0; mb_x < s->mb_width; mb_x++) {
|
|
int xx = mb_x * 16;
|
|
int yy = mb_y * 16;
|
|
uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
|
|
int varc;
|
|
int sum = s->dsp.pix_sum(pix, s->linesize);
|
|
|
|
varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
|
|
|
|
s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
|
|
s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
|
|
s->current_picture.mb_var_sum += varc;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
emms_c();
|
|
|
|
if(s->scene_change_score > s->avctx->scenechange_threshold && s->pict_type == P_TYPE){
|
|
s->pict_type= I_TYPE;
|
|
memset(s->mb_type , MB_TYPE_INTRA, sizeof(uint8_t)*s->mb_stride*s->mb_height);
|
|
//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
|
|
}
|
|
|
|
if(!s->umvplus){
|
|
if(s->pict_type==P_TYPE || s->pict_type==S_TYPE) {
|
|
s->f_code= ff_get_best_fcode(s, s->p_mv_table, MB_TYPE_INTER);
|
|
|
|
ff_fix_long_p_mvs(s);
|
|
}
|
|
|
|
if(s->pict_type==B_TYPE){
|
|
int a, b;
|
|
|
|
a = ff_get_best_fcode(s, s->b_forw_mv_table, MB_TYPE_FORWARD);
|
|
b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, MB_TYPE_BIDIR);
|
|
s->f_code = FFMAX(a, b);
|
|
|
|
a = ff_get_best_fcode(s, s->b_back_mv_table, MB_TYPE_BACKWARD);
|
|
b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, MB_TYPE_BIDIR);
|
|
s->b_code = FFMAX(a, b);
|
|
|
|
ff_fix_long_b_mvs(s, s->b_forw_mv_table, s->f_code, MB_TYPE_FORWARD);
|
|
ff_fix_long_b_mvs(s, s->b_back_mv_table, s->b_code, MB_TYPE_BACKWARD);
|
|
ff_fix_long_b_mvs(s, s->b_bidir_forw_mv_table, s->f_code, MB_TYPE_BIDIR);
|
|
ff_fix_long_b_mvs(s, s->b_bidir_back_mv_table, s->b_code, MB_TYPE_BIDIR);
|
|
}
|
|
}
|
|
|
|
if (!s->fixed_qscale)
|
|
s->current_picture.quality = ff_rate_estimate_qscale(s);
|
|
|
|
if(s->adaptive_quant){
|
|
#ifdef CONFIG_RISKY
|
|
switch(s->codec_id){
|
|
case CODEC_ID_MPEG4:
|
|
ff_clean_mpeg4_qscales(s);
|
|
break;
|
|
case CODEC_ID_H263:
|
|
case CODEC_ID_H263P:
|
|
case CODEC_ID_FLV1:
|
|
ff_clean_h263_qscales(s);
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
s->lambda= s->lambda_table[0];
|
|
//FIXME broken
|
|
}else
|
|
s->lambda= s->current_picture.quality;
|
|
//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
|
|
update_qscale(s);
|
|
|
|
if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==I_TYPE && !(s->flags & CODEC_FLAG_QSCALE))
|
|
s->qscale= 3; //reduce cliping problems
|
|
|
|
if (s->out_format == FMT_MJPEG) {
|
|
/* for mjpeg, we do include qscale in the matrix */
|
|
s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0];
|
|
for(i=1;i<64;i++){
|
|
int j= s->dsp.idct_permutation[i];
|
|
|
|
s->intra_matrix[j] = CLAMP_TO_8BIT((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
|
|
}
|
|
convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
|
|
s->intra_matrix, s->intra_quant_bias, 8, 8);
|
|
}
|
|
|
|
//FIXME var duplication
|
|
s->current_picture.key_frame= s->pict_type == I_TYPE;
|
|
s->current_picture.pict_type= s->pict_type;
|
|
|
|
if(s->current_picture.key_frame)
|
|
s->picture_in_gop_number=0;
|
|
|
|
s->last_bits= get_bit_count(&s->pb);
|
|
switch(s->out_format) {
|
|
case FMT_MJPEG:
|
|
mjpeg_picture_header(s);
|
|
break;
|
|
#ifdef CONFIG_RISKY
|
|
case FMT_H263:
|
|
if (s->codec_id == CODEC_ID_WMV2)
|
|
ff_wmv2_encode_picture_header(s, picture_number);
|
|
else if (s->h263_msmpeg4)
|
|
msmpeg4_encode_picture_header(s, picture_number);
|
|
else if (s->h263_pred)
|
|
mpeg4_encode_picture_header(s, picture_number);
|
|
else if (s->codec_id == CODEC_ID_RV10)
|
|
rv10_encode_picture_header(s, picture_number);
|
|
else if (s->codec_id == CODEC_ID_FLV1)
|
|
ff_flv_encode_picture_header(s, picture_number);
|
|
else
|
|
h263_encode_picture_header(s, picture_number);
|
|
break;
|
|
#endif
|
|
case FMT_MPEG1:
|
|
mpeg1_encode_picture_header(s, picture_number);
|
|
break;
|
|
case FMT_H264:
|
|
break;
|
|
}
|
|
bits= get_bit_count(&s->pb);
|
|
s->header_bits= bits - s->last_bits;
|
|
s->last_bits= bits;
|
|
s->mv_bits=0;
|
|
s->misc_bits=0;
|
|
s->i_tex_bits=0;
|
|
s->p_tex_bits=0;
|
|
s->i_count=0;
|
|
s->f_count=0;
|
|
s->b_count=0;
|
|
s->skip_count=0;
|
|
|
|
for(i=0; i<3; i++){
|
|
/* init last dc values */
|
|
/* note: quant matrix value (8) is implied here */
|
|
s->last_dc[i] = 128;
|
|
|
|
s->current_picture_ptr->error[i] = 0;
|
|
}
|
|
s->mb_skip_run = 0;
|
|
s->last_mv[0][0][0] = 0;
|
|
s->last_mv[0][0][1] = 0;
|
|
s->last_mv[1][0][0] = 0;
|
|
s->last_mv[1][0][1] = 0;
|
|
|
|
s->last_mv_dir = 0;
|
|
|
|
#ifdef CONFIG_RISKY
|
|
switch(s->codec_id){
|
|
case CODEC_ID_H263:
|
|
case CODEC_ID_H263P:
|
|
case CODEC_ID_FLV1:
|
|
s->gob_index = ff_h263_get_gob_height(s);
|
|
break;
|
|
case CODEC_ID_MPEG4:
|
|
if(s->partitioned_frame)
|
|
ff_mpeg4_init_partitions(s);
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
s->resync_mb_x=0;
|
|
s->resync_mb_y=0;
|
|
s->first_slice_line = 1;
|
|
s->ptr_lastgob = s->pb.buf;
|
|
for(mb_y=0; mb_y < s->mb_height; mb_y++) {
|
|
s->mb_x=0;
|
|
s->mb_y= mb_y;
|
|
|
|
ff_set_qscale(s, s->qscale);
|
|
ff_init_block_index(s);
|
|
|
|
for(mb_x=0; mb_x < s->mb_width; mb_x++) {
|
|
const int xy= mb_y*s->mb_stride + mb_x;
|
|
int mb_type= s->mb_type[xy];
|
|
// int d;
|
|
int dmin= INT_MAX;
|
|
|
|
s->mb_x = mb_x;
|
|
ff_update_block_index(s);
|
|
|
|
/* write gob / video packet header */
|
|
#ifdef CONFIG_RISKY
|
|
if(s->rtp_mode){
|
|
int current_packet_size, is_gob_start;
|
|
|
|
current_packet_size= pbBufPtr(&s->pb) - s->ptr_lastgob;
|
|
|
|
is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
|
|
|
|
switch(s->codec_id){
|
|
case CODEC_ID_H263:
|
|
case CODEC_ID_H263P:
|
|
if(!s->h263_slice_structured)
|
|
if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
|
|
break;
|
|
case CODEC_ID_MPEG2VIDEO:
|
|
if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
|
|
case CODEC_ID_MPEG1VIDEO:
|
|
if(s->mb_skip_run) is_gob_start=0;
|
|
break;
|
|
}
|
|
|
|
if(is_gob_start){
|
|
if(s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
|
|
ff_mpeg4_merge_partitions(s);
|
|
ff_mpeg4_init_partitions(s);
|
|
}
|
|
|
|
if(s->codec_id==CODEC_ID_MPEG4)
|
|
ff_mpeg4_stuffing(&s->pb);
|
|
|
|
align_put_bits(&s->pb);
|
|
flush_put_bits(&s->pb);
|
|
|
|
assert((get_bit_count(&s->pb)&7) == 0);
|
|
current_packet_size= pbBufPtr(&s->pb) - s->ptr_lastgob;
|
|
|
|
if (s->avctx->rtp_callback)
|
|
s->avctx->rtp_callback(s->ptr_lastgob, current_packet_size, 0);
|
|
|
|
switch(s->codec_id){
|
|
case CODEC_ID_MPEG4:
|
|
ff_mpeg4_encode_video_packet_header(s);
|
|
ff_mpeg4_clean_buffers(s);
|
|
break;
|
|
case CODEC_ID_MPEG1VIDEO:
|
|
case CODEC_ID_MPEG2VIDEO:
|
|
ff_mpeg1_encode_slice_header(s);
|
|
ff_mpeg1_clean_buffers(s);
|
|
break;
|
|
case CODEC_ID_H263:
|
|
case CODEC_ID_H263P:
|
|
h263_encode_gob_header(s, mb_y);
|
|
break;
|
|
}
|
|
|
|
if(s->flags&CODEC_FLAG_PASS1){
|
|
int bits= get_bit_count(&s->pb);
|
|
s->misc_bits+= bits - s->last_bits;
|
|
s->last_bits= bits;
|
|
}
|
|
|
|
s->ptr_lastgob += current_packet_size;
|
|
s->first_slice_line=1;
|
|
s->resync_mb_x=mb_x;
|
|
s->resync_mb_y=mb_y;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if( (s->resync_mb_x == s->mb_x)
|
|
&& s->resync_mb_y+1 == s->mb_y){
|
|
s->first_slice_line=0;
|
|
}
|
|
|
|
s->mb_skiped=0;
|
|
s->dquant=0; //only for QP_RD
|
|
|
|
if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible
|
|
int next_block=0;
|
|
int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
|
|
|
|
copy_context_before_encode(&backup_s, s, -1);
|
|
backup_s.pb= s->pb;
|
|
best_s.data_partitioning= s->data_partitioning;
|
|
best_s.partitioned_frame= s->partitioned_frame;
|
|
if(s->data_partitioning){
|
|
backup_s.pb2= s->pb2;
|
|
backup_s.tex_pb= s->tex_pb;
|
|
}
|
|
|
|
if(mb_type&MB_TYPE_INTER){
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 0;
|
|
s->mv[0][0][0] = s->p_mv_table[xy][0];
|
|
s->mv[0][0][1] = s->p_mv_table[xy][1];
|
|
encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_INTER, pb, pb2, tex_pb,
|
|
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
|
|
}
|
|
if(mb_type&MB_TYPE_SKIPED){
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 0;
|
|
s->mv[0][0][0] = 0;
|
|
s->mv[0][0][1] = 0;
|
|
encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_SKIPED, pb, pb2, tex_pb,
|
|
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
|
|
}
|
|
if(mb_type&MB_TYPE_INTER4V){
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_8X8;
|
|
s->mb_intra= 0;
|
|
for(i=0; i<4; i++){
|
|
s->mv[0][i][0] = s->motion_val[s->block_index[i]][0];
|
|
s->mv[0][i][1] = s->motion_val[s->block_index[i]][1];
|
|
}
|
|
encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_INTER4V, pb, pb2, tex_pb,
|
|
&dmin, &next_block, 0, 0);
|
|
}
|
|
if(mb_type&MB_TYPE_FORWARD){
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 0;
|
|
s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
|
|
s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
|
|
encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_FORWARD, pb, pb2, tex_pb,
|
|
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
|
|
}
|
|
if(mb_type&MB_TYPE_BACKWARD){
|
|
s->mv_dir = MV_DIR_BACKWARD;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 0;
|
|
s->mv[1][0][0] = s->b_back_mv_table[xy][0];
|
|
s->mv[1][0][1] = s->b_back_mv_table[xy][1];
|
|
encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_BACKWARD, pb, pb2, tex_pb,
|
|
&dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
|
|
}
|
|
if(mb_type&MB_TYPE_BIDIR){
|
|
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 0;
|
|
s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
|
|
s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
|
|
s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
|
|
s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
|
|
encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_BIDIR, pb, pb2, tex_pb,
|
|
&dmin, &next_block, 0, 0);
|
|
}
|
|
if(mb_type&MB_TYPE_DIRECT){
|
|
int mx= s->b_direct_mv_table[xy][0];
|
|
int my= s->b_direct_mv_table[xy][1];
|
|
|
|
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
|
|
s->mb_intra= 0;
|
|
#ifdef CONFIG_RISKY
|
|
ff_mpeg4_set_direct_mv(s, mx, my);
|
|
#endif
|
|
encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_DIRECT, pb, pb2, tex_pb,
|
|
&dmin, &next_block, mx, my);
|
|
}
|
|
if(mb_type&MB_TYPE_INTRA){
|
|
s->mv_dir = 0;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 1;
|
|
s->mv[0][0][0] = 0;
|
|
s->mv[0][0][1] = 0;
|
|
encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_INTRA, pb, pb2, tex_pb,
|
|
&dmin, &next_block, 0, 0);
|
|
if(s->h263_pred || s->h263_aic){
|
|
if(best_s.mb_intra)
|
|
s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
|
|
else
|
|
ff_clean_intra_table_entries(s); //old mode?
|
|
}
|
|
}
|
|
|
|
if(s->flags & CODEC_FLAG_QP_RD){
|
|
if(best_s.mv_type==MV_TYPE_16X16 && !(best_s.mv_dir&MV_DIRECT)){
|
|
const int last_qp= backup_s.qscale;
|
|
int dquant, dir, qp, dc[6];
|
|
DCTELEM ac[6][16];
|
|
const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
|
|
|
|
assert(backup_s.dquant == 0);
|
|
|
|
//FIXME intra
|
|
s->mv_dir= best_s.mv_dir;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= best_s.mb_intra;
|
|
s->mv[0][0][0] = best_s.mv[0][0][0];
|
|
s->mv[0][0][1] = best_s.mv[0][0][1];
|
|
s->mv[1][0][0] = best_s.mv[1][0][0];
|
|
s->mv[1][0][1] = best_s.mv[1][0][1];
|
|
|
|
dir= s->pict_type == B_TYPE ? 2 : 1;
|
|
if(last_qp + dir > s->avctx->qmax) dir= -dir;
|
|
for(dquant= dir; dquant<=2 && dquant>=-2; dquant += dir){
|
|
qp= last_qp + dquant;
|
|
if(qp < s->avctx->qmin || qp > s->avctx->qmax)
|
|
break;
|
|
backup_s.dquant= dquant;
|
|
if(s->mb_intra){
|
|
for(i=0; i<6; i++){
|
|
dc[i]= s->dc_val[0][ s->block_index[i] ];
|
|
memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
|
|
}
|
|
}
|
|
|
|
encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
|
|
&dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
|
|
if(best_s.qscale != qp){
|
|
if(s->mb_intra){
|
|
for(i=0; i<6; i++){
|
|
s->dc_val[0][ s->block_index[i] ]= dc[i];
|
|
memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
|
|
}
|
|
}
|
|
if(dir > 0 && dquant==dir){
|
|
dquant= 0;
|
|
dir= -dir;
|
|
}else
|
|
break;
|
|
}
|
|
}
|
|
qp= best_s.qscale;
|
|
s->current_picture.qscale_table[xy]= qp;
|
|
}
|
|
}
|
|
|
|
copy_context_after_encode(s, &best_s, -1);
|
|
|
|
pb_bits_count= get_bit_count(&s->pb);
|
|
flush_put_bits(&s->pb);
|
|
ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
|
|
s->pb= backup_s.pb;
|
|
|
|
if(s->data_partitioning){
|
|
pb2_bits_count= get_bit_count(&s->pb2);
|
|
flush_put_bits(&s->pb2);
|
|
ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
|
|
s->pb2= backup_s.pb2;
|
|
|
|
tex_pb_bits_count= get_bit_count(&s->tex_pb);
|
|
flush_put_bits(&s->tex_pb);
|
|
ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
|
|
s->tex_pb= backup_s.tex_pb;
|
|
}
|
|
s->last_bits= get_bit_count(&s->pb);
|
|
|
|
#ifdef CONFIG_RISKY
|
|
if (s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
|
|
ff_h263_update_motion_val(s);
|
|
#endif
|
|
|
|
if(next_block==0){
|
|
s->dsp.put_pixels_tab[0][0](s->dest[0], s->me.scratchpad , s->linesize ,16);
|
|
s->dsp.put_pixels_tab[1][0](s->dest[1], s->me.scratchpad + 16, s->uvlinesize, 8);
|
|
s->dsp.put_pixels_tab[1][0](s->dest[2], s->me.scratchpad + 24, s->uvlinesize, 8);
|
|
}
|
|
|
|
if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
|
|
MPV_decode_mb(s, s->block);
|
|
} else {
|
|
int motion_x, motion_y;
|
|
s->mv_type=MV_TYPE_16X16;
|
|
// only one MB-Type possible
|
|
|
|
switch(mb_type){
|
|
case MB_TYPE_INTRA:
|
|
s->mv_dir = 0;
|
|
s->mb_intra= 1;
|
|
motion_x= s->mv[0][0][0] = 0;
|
|
motion_y= s->mv[0][0][1] = 0;
|
|
break;
|
|
case MB_TYPE_INTER:
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mb_intra= 0;
|
|
motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
|
|
motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
|
|
break;
|
|
case MB_TYPE_INTER4V:
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_8X8;
|
|
s->mb_intra= 0;
|
|
for(i=0; i<4; i++){
|
|
s->mv[0][i][0] = s->motion_val[s->block_index[i]][0];
|
|
s->mv[0][i][1] = s->motion_val[s->block_index[i]][1];
|
|
}
|
|
motion_x= motion_y= 0;
|
|
break;
|
|
case MB_TYPE_DIRECT:
|
|
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
|
|
s->mb_intra= 0;
|
|
motion_x=s->b_direct_mv_table[xy][0];
|
|
motion_y=s->b_direct_mv_table[xy][1];
|
|
#ifdef CONFIG_RISKY
|
|
ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
|
|
#endif
|
|
break;
|
|
case MB_TYPE_BIDIR:
|
|
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
|
|
s->mb_intra= 0;
|
|
motion_x=0;
|
|
motion_y=0;
|
|
s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
|
|
s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
|
|
s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
|
|
s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
|
|
break;
|
|
case MB_TYPE_BACKWARD:
|
|
s->mv_dir = MV_DIR_BACKWARD;
|
|
s->mb_intra= 0;
|
|
motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
|
|
motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
|
|
break;
|
|
case MB_TYPE_FORWARD:
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mb_intra= 0;
|
|
motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
|
|
motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
|
|
// printf(" %d %d ", motion_x, motion_y);
|
|
break;
|
|
default:
|
|
motion_x=motion_y=0; //gcc warning fix
|
|
av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
|
|
}
|
|
|
|
encode_mb(s, motion_x, motion_y);
|
|
|
|
// RAL: Update last macrobloc type
|
|
s->last_mv_dir = s->mv_dir;
|
|
|
|
#ifdef CONFIG_RISKY
|
|
if (s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
|
|
ff_h263_update_motion_val(s);
|
|
#endif
|
|
|
|
MPV_decode_mb(s, s->block);
|
|
}
|
|
|
|
/* clean the MV table in IPS frames for direct mode in B frames */
|
|
if(s->mb_intra /* && I,P,S_TYPE */){
|
|
s->p_mv_table[xy][0]=0;
|
|
s->p_mv_table[xy][1]=0;
|
|
}
|
|
|
|
if(s->flags&CODEC_FLAG_PSNR){
|
|
int w= 16;
|
|
int h= 16;
|
|
|
|
if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
|
|
if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
|
|
|
|
s->current_picture_ptr->error[0] += sse(
|
|
s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
|
|
s->dest[0], w, h, s->linesize);
|
|
s->current_picture_ptr->error[1] += sse(
|
|
s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
|
|
s->dest[1], w>>1, h>>1, s->uvlinesize);
|
|
s->current_picture_ptr->error[2] += sse(
|
|
s, s->new_picture .data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
|
|
s->dest[2], w>>1, h>>1, s->uvlinesize);
|
|
}
|
|
if(s->loop_filter)
|
|
ff_h263_loop_filter(s);
|
|
//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, get_bit_count(&s->pb));
|
|
}
|
|
}
|
|
emms_c();
|
|
|
|
#ifdef CONFIG_RISKY
|
|
if(s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame)
|
|
ff_mpeg4_merge_partitions(s);
|
|
|
|
if (s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == I_TYPE)
|
|
msmpeg4_encode_ext_header(s);
|
|
|
|
if(s->codec_id==CODEC_ID_MPEG4)
|
|
ff_mpeg4_stuffing(&s->pb);
|
|
#endif
|
|
|
|
/* Send the last GOB if RTP */
|
|
if (s->avctx->rtp_callback) {
|
|
flush_put_bits(&s->pb);
|
|
pdif = pbBufPtr(&s->pb) - s->ptr_lastgob;
|
|
/* Call the RTP callback to send the last GOB */
|
|
s->avctx->rtp_callback(s->ptr_lastgob, pdif, 0);
|
|
}
|
|
}
|
|
|
|
void ff_denoise_dct(MpegEncContext *s, DCTELEM *block){
|
|
const int intra= s->mb_intra;
|
|
int i;
|
|
|
|
s->dct_count[intra]++;
|
|
|
|
for(i=0; i<64; i++){
|
|
int level= block[i];
|
|
|
|
if(level){
|
|
if(level>0){
|
|
s->dct_error_sum[intra][i] += level;
|
|
level -= s->dct_offset[intra][i];
|
|
if(level<0) level=0;
|
|
}else{
|
|
s->dct_error_sum[intra][i] -= level;
|
|
level += s->dct_offset[intra][i];
|
|
if(level>0) level=0;
|
|
}
|
|
block[i]= level;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int dct_quantize_trellis_c(MpegEncContext *s,
|
|
DCTELEM *block, int n,
|
|
int qscale, int *overflow){
|
|
const int *qmat;
|
|
const uint8_t *scantable= s->intra_scantable.scantable;
|
|
int max=0;
|
|
unsigned int threshold1, threshold2;
|
|
int bias=0;
|
|
int run_tab[65];
|
|
int level_tab[65];
|
|
int score_tab[65];
|
|
int last_run=0;
|
|
int last_level=0;
|
|
int last_score= 0;
|
|
int last_i= 0;
|
|
int not_coded_score= 0;
|
|
int coeff[3][64];
|
|
int coeff_count[64];
|
|
int qmul, qadd, start_i, last_non_zero, i, dc;
|
|
const int esc_length= s->ac_esc_length;
|
|
uint8_t * length;
|
|
uint8_t * last_length;
|
|
int score_limit=0;
|
|
int left_limit= 0;
|
|
const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
|
|
const int patch_table= s->out_format == FMT_MPEG1 && !s->mb_intra;
|
|
|
|
s->dsp.fdct (block);
|
|
|
|
if(s->dct_error_sum)
|
|
ff_denoise_dct(s, block);
|
|
|
|
qmul= qscale*16;
|
|
qadd= ((qscale-1)|1)*8;
|
|
|
|
if (s->mb_intra) {
|
|
int q;
|
|
if (!s->h263_aic) {
|
|
if (n < 4)
|
|
q = s->y_dc_scale;
|
|
else
|
|
q = s->c_dc_scale;
|
|
q = q << 3;
|
|
} else{
|
|
/* For AIC we skip quant/dequant of INTRADC */
|
|
q = 1 << 3;
|
|
qadd=0;
|
|
}
|
|
|
|
/* note: block[0] is assumed to be positive */
|
|
block[0] = (block[0] + (q >> 1)) / q;
|
|
start_i = 1;
|
|
last_non_zero = 0;
|
|
qmat = s->q_intra_matrix[qscale];
|
|
if(s->mpeg_quant || s->out_format == FMT_MPEG1)
|
|
bias= 1<<(QMAT_SHIFT-1);
|
|
length = s->intra_ac_vlc_length;
|
|
last_length= s->intra_ac_vlc_last_length;
|
|
} else {
|
|
start_i = 0;
|
|
last_non_zero = -1;
|
|
qmat = s->q_inter_matrix[qscale];
|
|
length = s->inter_ac_vlc_length;
|
|
last_length= s->inter_ac_vlc_last_length;
|
|
}
|
|
|
|
threshold1= (1<<QMAT_SHIFT) - bias - 1;
|
|
threshold2= (threshold1<<1);
|
|
|
|
for(i=start_i; i<64; i++) {
|
|
const int j = scantable[i];
|
|
const int k= i-start_i;
|
|
int level = block[j];
|
|
level = level * qmat[j];
|
|
|
|
// if( bias+level >= (1<<(QMAT_SHIFT - 3))
|
|
// || bias-level >= (1<<(QMAT_SHIFT - 3))){
|
|
if(((unsigned)(level+threshold1))>threshold2){
|
|
if(level>0){
|
|
level= (bias + level)>>QMAT_SHIFT;
|
|
coeff[0][k]= level;
|
|
coeff[1][k]= level-1;
|
|
// coeff[2][k]= level-2;
|
|
}else{
|
|
level= (bias - level)>>QMAT_SHIFT;
|
|
coeff[0][k]= -level;
|
|
coeff[1][k]= -level+1;
|
|
// coeff[2][k]= -level+2;
|
|
}
|
|
coeff_count[k]= FFMIN(level, 2);
|
|
assert(coeff_count[k]);
|
|
max |=level;
|
|
last_non_zero = i;
|
|
}else{
|
|
coeff[0][k]= (level>>31)|1;
|
|
coeff_count[k]= 1;
|
|
}
|
|
}
|
|
|
|
*overflow= s->max_qcoeff < max; //overflow might have happend
|
|
|
|
if(last_non_zero < start_i){
|
|
memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
|
|
return last_non_zero;
|
|
}
|
|
|
|
score_tab[0]= 0;
|
|
|
|
if(patch_table){
|
|
// length[UNI_AC_ENC_INDEX(0, 63)]=
|
|
// length[UNI_AC_ENC_INDEX(0, 65)]= 2;
|
|
}
|
|
|
|
for(i=0; i<=last_non_zero - start_i; i++){
|
|
int level_index, run, j;
|
|
const int dct_coeff= block[ scantable[i + start_i] ];
|
|
const int zero_distoration= dct_coeff*dct_coeff;
|
|
int best_score=256*256*256*120;
|
|
|
|
last_score += zero_distoration;
|
|
not_coded_score += zero_distoration;
|
|
for(level_index=0; level_index < coeff_count[i]; level_index++){
|
|
int distoration;
|
|
int level= coeff[level_index][i];
|
|
int unquant_coeff;
|
|
|
|
assert(level);
|
|
|
|
if(s->out_format == FMT_H263){
|
|
if(level>0){
|
|
unquant_coeff= level*qmul + qadd;
|
|
}else{
|
|
unquant_coeff= level*qmul - qadd;
|
|
}
|
|
}else{ //MPEG1
|
|
j= s->dsp.idct_permutation[ scantable[i + start_i] ]; //FIXME optimize
|
|
if(s->mb_intra){
|
|
if (level < 0) {
|
|
unquant_coeff = (int)((-level) * qscale * s->intra_matrix[j]) >> 3;
|
|
unquant_coeff = -((unquant_coeff - 1) | 1);
|
|
} else {
|
|
unquant_coeff = (int)( level * qscale * s->intra_matrix[j]) >> 3;
|
|
unquant_coeff = (unquant_coeff - 1) | 1;
|
|
}
|
|
}else{
|
|
if (level < 0) {
|
|
unquant_coeff = ((((-level) << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
|
|
unquant_coeff = -((unquant_coeff - 1) | 1);
|
|
} else {
|
|
unquant_coeff = ((( level << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
|
|
unquant_coeff = (unquant_coeff - 1) | 1;
|
|
}
|
|
}
|
|
unquant_coeff<<= 3;
|
|
}
|
|
|
|
distoration= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff);
|
|
level+=64;
|
|
if((level&(~127)) == 0){
|
|
for(run=0; run<=i - left_limit; run++){
|
|
int score= distoration + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
|
|
score += score_tab[i-run];
|
|
|
|
if(score < best_score){
|
|
best_score=
|
|
score_tab[i+1]= score;
|
|
run_tab[i+1]= run;
|
|
level_tab[i+1]= level-64;
|
|
}
|
|
}
|
|
|
|
if(s->out_format == FMT_H263){
|
|
for(run=0; run<=i - left_limit; run++){
|
|
int score= distoration + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
|
|
score += score_tab[i-run];
|
|
if(score < last_score){
|
|
last_score= score;
|
|
last_run= run;
|
|
last_level= level-64;
|
|
last_i= i+1;
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
distoration += esc_length*lambda;
|
|
for(run=0; run<=i - left_limit; run++){
|
|
int score= distoration + score_tab[i-run];
|
|
|
|
if(score < best_score){
|
|
best_score=
|
|
score_tab[i+1]= score;
|
|
run_tab[i+1]= run;
|
|
level_tab[i+1]= level-64;
|
|
}
|
|
}
|
|
|
|
if(s->out_format == FMT_H263){
|
|
for(run=0; run<=i - left_limit; run++){
|
|
int score= distoration + score_tab[i-run];
|
|
if(score < last_score){
|
|
last_score= score;
|
|
last_run= run;
|
|
last_level= level-64;
|
|
last_i= i+1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for(j=left_limit; j<=i; j++){
|
|
score_tab[j] += zero_distoration;
|
|
}
|
|
score_limit+= zero_distoration;
|
|
if(score_tab[i+1] < score_limit)
|
|
score_limit= score_tab[i+1];
|
|
|
|
//Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
|
|
while(score_tab[ left_limit ] > score_limit + lambda) left_limit++;
|
|
|
|
if(patch_table){
|
|
// length[UNI_AC_ENC_INDEX(0, 63)]=
|
|
// length[UNI_AC_ENC_INDEX(0, 65)]= 3;
|
|
}
|
|
}
|
|
|
|
if(s->out_format != FMT_H263){
|
|
last_score= 256*256*256*120;
|
|
for(i= left_limit; i<=last_non_zero - start_i + 1; i++){
|
|
int score= score_tab[i];
|
|
if(i) score += lambda*2; //FIXME exacter?
|
|
|
|
if(score < last_score){
|
|
last_score= score;
|
|
last_i= i;
|
|
last_level= level_tab[i];
|
|
last_run= run_tab[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
s->coded_score[n] = last_score - not_coded_score;
|
|
|
|
dc= block[0];
|
|
last_non_zero= last_i - 1 + start_i;
|
|
memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
|
|
|
|
if(last_non_zero < start_i)
|
|
return last_non_zero;
|
|
|
|
if(last_non_zero == 0 && start_i == 0){
|
|
int best_level= 0;
|
|
int best_score= dc * dc;
|
|
|
|
for(i=0; i<coeff_count[0]; i++){
|
|
int level= coeff[i][0];
|
|
int unquant_coeff, score, distoration;
|
|
|
|
if(s->out_format == FMT_H263){
|
|
if(level>0){
|
|
unquant_coeff= (level*qmul + qadd)>>3;
|
|
}else{
|
|
unquant_coeff= (level*qmul - qadd)>>3;
|
|
}
|
|
}else{ //MPEG1
|
|
if (level < 0) {
|
|
unquant_coeff = ((((-level) << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
|
|
unquant_coeff = -((unquant_coeff - 1) | 1);
|
|
} else {
|
|
unquant_coeff = ((( level << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
|
|
unquant_coeff = (unquant_coeff - 1) | 1;
|
|
}
|
|
}
|
|
unquant_coeff = (unquant_coeff + 4) >> 3;
|
|
unquant_coeff<<= 3 + 3;
|
|
|
|
distoration= (unquant_coeff - dc) * (unquant_coeff - dc);
|
|
level+=64;
|
|
if((level&(~127)) == 0)
|
|
score= distoration + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
|
|
else
|
|
score= distoration + esc_length*lambda;
|
|
|
|
if(score < best_score){
|
|
best_score= score;
|
|
best_level= level - 64;
|
|
}
|
|
}
|
|
block[0]= best_level;
|
|
s->coded_score[n] = best_score - dc*dc;
|
|
if(best_level == 0) return -1;
|
|
else return last_non_zero;
|
|
}
|
|
|
|
i= last_i;
|
|
assert(last_level);
|
|
//FIXME use permutated scantable
|
|
block[ s->dsp.idct_permutation[ scantable[last_non_zero] ] ]= last_level;
|
|
i -= last_run + 1;
|
|
|
|
for(;i>0 ; i -= run_tab[i] + 1){
|
|
const int j= s->dsp.idct_permutation[ scantable[i - 1 + start_i] ];
|
|
|
|
block[j]= level_tab[i];
|
|
assert(block[j]);
|
|
}
|
|
|
|
return last_non_zero;
|
|
}
|
|
|
|
static int dct_quantize_c(MpegEncContext *s,
|
|
DCTELEM *block, int n,
|
|
int qscale, int *overflow)
|
|
{
|
|
int i, j, level, last_non_zero, q;
|
|
const int *qmat;
|
|
const uint8_t *scantable= s->intra_scantable.scantable;
|
|
int bias;
|
|
int max=0;
|
|
unsigned int threshold1, threshold2;
|
|
|
|
s->dsp.fdct (block);
|
|
|
|
if(s->dct_error_sum)
|
|
ff_denoise_dct(s, block);
|
|
|
|
if (s->mb_intra) {
|
|
if (!s->h263_aic) {
|
|
if (n < 4)
|
|
q = s->y_dc_scale;
|
|
else
|
|
q = s->c_dc_scale;
|
|
q = q << 3;
|
|
} else
|
|
/* For AIC we skip quant/dequant of INTRADC */
|
|
q = 1 << 3;
|
|
|
|
/* note: block[0] is assumed to be positive */
|
|
block[0] = (block[0] + (q >> 1)) / q;
|
|
i = 1;
|
|
last_non_zero = 0;
|
|
qmat = s->q_intra_matrix[qscale];
|
|
bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
|
|
} else {
|
|
i = 0;
|
|
last_non_zero = -1;
|
|
qmat = s->q_inter_matrix[qscale];
|
|
bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
|
|
}
|
|
threshold1= (1<<QMAT_SHIFT) - bias - 1;
|
|
threshold2= (threshold1<<1);
|
|
|
|
for(;i<64;i++) {
|
|
j = scantable[i];
|
|
level = block[j];
|
|
level = level * qmat[j];
|
|
|
|
// if( bias+level >= (1<<QMAT_SHIFT)
|
|
// || bias-level >= (1<<QMAT_SHIFT)){
|
|
if(((unsigned)(level+threshold1))>threshold2){
|
|
if(level>0){
|
|
level= (bias + level)>>QMAT_SHIFT;
|
|
block[j]= level;
|
|
}else{
|
|
level= (bias - level)>>QMAT_SHIFT;
|
|
block[j]= -level;
|
|
}
|
|
max |=level;
|
|
last_non_zero = i;
|
|
}else{
|
|
block[j]=0;
|
|
}
|
|
}
|
|
*overflow= s->max_qcoeff < max; //overflow might have happend
|
|
|
|
/* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
|
|
if (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM)
|
|
ff_block_permute(block, s->dsp.idct_permutation, scantable, last_non_zero);
|
|
|
|
return last_non_zero;
|
|
}
|
|
|
|
#endif //CONFIG_ENCODERS
|
|
|
|
static void dct_unquantize_mpeg1_c(MpegEncContext *s,
|
|
DCTELEM *block, int n, int qscale)
|
|
{
|
|
int i, level, nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
|
|
nCoeffs= s->block_last_index[n];
|
|
|
|
if (s->mb_intra) {
|
|
if (n < 4)
|
|
block[0] = block[0] * s->y_dc_scale;
|
|
else
|
|
block[0] = block[0] * s->c_dc_scale;
|
|
/* XXX: only mpeg1 */
|
|
quant_matrix = s->intra_matrix;
|
|
for(i=1;i<=nCoeffs;i++) {
|
|
int j= s->intra_scantable.permutated[i];
|
|
level = block[j];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = -level;
|
|
level = (int)(level * qscale * quant_matrix[j]) >> 3;
|
|
level = (level - 1) | 1;
|
|
level = -level;
|
|
} else {
|
|
level = (int)(level * qscale * quant_matrix[j]) >> 3;
|
|
level = (level - 1) | 1;
|
|
}
|
|
#ifdef PARANOID
|
|
if (level < -2048 || level > 2047)
|
|
fprintf(stderr, "unquant error %d %d\n", i, level);
|
|
#endif
|
|
block[j] = level;
|
|
}
|
|
}
|
|
} else {
|
|
i = 0;
|
|
quant_matrix = s->inter_matrix;
|
|
for(;i<=nCoeffs;i++) {
|
|
int j= s->intra_scantable.permutated[i];
|
|
level = block[j];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = -level;
|
|
level = (((level << 1) + 1) * qscale *
|
|
((int) (quant_matrix[j]))) >> 4;
|
|
level = (level - 1) | 1;
|
|
level = -level;
|
|
} else {
|
|
level = (((level << 1) + 1) * qscale *
|
|
((int) (quant_matrix[j]))) >> 4;
|
|
level = (level - 1) | 1;
|
|
}
|
|
#ifdef PARANOID
|
|
if (level < -2048 || level > 2047)
|
|
fprintf(stderr, "unquant error %d %d\n", i, level);
|
|
#endif
|
|
block[j] = level;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dct_unquantize_mpeg2_c(MpegEncContext *s,
|
|
DCTELEM *block, int n, int qscale)
|
|
{
|
|
int i, level, nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
|
|
if(s->alternate_scan) nCoeffs= 63;
|
|
else nCoeffs= s->block_last_index[n];
|
|
|
|
if (s->mb_intra) {
|
|
if (n < 4)
|
|
block[0] = block[0] * s->y_dc_scale;
|
|
else
|
|
block[0] = block[0] * s->c_dc_scale;
|
|
quant_matrix = s->intra_matrix;
|
|
for(i=1;i<=nCoeffs;i++) {
|
|
int j= s->intra_scantable.permutated[i];
|
|
level = block[j];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = -level;
|
|
level = (int)(level * qscale * quant_matrix[j]) >> 3;
|
|
level = -level;
|
|
} else {
|
|
level = (int)(level * qscale * quant_matrix[j]) >> 3;
|
|
}
|
|
#ifdef PARANOID
|
|
if (level < -2048 || level > 2047)
|
|
fprintf(stderr, "unquant error %d %d\n", i, level);
|
|
#endif
|
|
block[j] = level;
|
|
}
|
|
}
|
|
} else {
|
|
int sum=-1;
|
|
i = 0;
|
|
quant_matrix = s->inter_matrix;
|
|
for(;i<=nCoeffs;i++) {
|
|
int j= s->intra_scantable.permutated[i];
|
|
level = block[j];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = -level;
|
|
level = (((level << 1) + 1) * qscale *
|
|
((int) (quant_matrix[j]))) >> 4;
|
|
level = -level;
|
|
} else {
|
|
level = (((level << 1) + 1) * qscale *
|
|
((int) (quant_matrix[j]))) >> 4;
|
|
}
|
|
#ifdef PARANOID
|
|
if (level < -2048 || level > 2047)
|
|
fprintf(stderr, "unquant error %d %d\n", i, level);
|
|
#endif
|
|
block[j] = level;
|
|
sum+=level;
|
|
}
|
|
}
|
|
block[63]^=sum&1;
|
|
}
|
|
}
|
|
|
|
|
|
static void dct_unquantize_h263_c(MpegEncContext *s,
|
|
DCTELEM *block, int n, int qscale)
|
|
{
|
|
int i, level, qmul, qadd;
|
|
int nCoeffs;
|
|
|
|
assert(s->block_last_index[n]>=0);
|
|
|
|
qadd = (qscale - 1) | 1;
|
|
qmul = qscale << 1;
|
|
|
|
if (s->mb_intra) {
|
|
if (!s->h263_aic) {
|
|
if (n < 4)
|
|
block[0] = block[0] * s->y_dc_scale;
|
|
else
|
|
block[0] = block[0] * s->c_dc_scale;
|
|
}else
|
|
qadd = 0;
|
|
i = 1;
|
|
nCoeffs= 63; //does not allways use zigzag table
|
|
} else {
|
|
i = 0;
|
|
nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
|
|
}
|
|
|
|
for(;i<=nCoeffs;i++) {
|
|
level = block[i];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = level * qmul - qadd;
|
|
} else {
|
|
level = level * qmul + qadd;
|
|
}
|
|
#ifdef PARANOID
|
|
if (level < -2048 || level > 2047)
|
|
fprintf(stderr, "unquant error %d %d\n", i, level);
|
|
#endif
|
|
block[i] = level;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static const AVOption mpeg4_options[] =
|
|
{
|
|
AVOPTION_CODEC_INT("bitrate", "desired video bitrate", bit_rate, 4, 240000000, 800000),
|
|
AVOPTION_CODEC_INT("ratetol", "number of bits the bitstream is allowed to diverge from the reference"
|
|
"the reference can be CBR (for CBR pass1) or VBR (for pass2)",
|
|
bit_rate_tolerance, 4, 240000000, 8000),
|
|
AVOPTION_CODEC_INT("qmin", "minimum quantizer", qmin, 1, 31, 2),
|
|
AVOPTION_CODEC_INT("qmax", "maximum quantizer", qmax, 1, 31, 31),
|
|
AVOPTION_CODEC_STRING("rc_eq", "rate control equation",
|
|
rc_eq, "tex^qComp,option1,options2", 0),
|
|
AVOPTION_CODEC_INT("rc_minrate", "rate control minimum bitrate",
|
|
rc_min_rate, 4, 24000000, 0),
|
|
AVOPTION_CODEC_INT("rc_maxrate", "rate control maximum bitrate",
|
|
rc_max_rate, 4, 24000000, 0),
|
|
AVOPTION_CODEC_DOUBLE("rc_buf_aggresivity", "rate control buffer aggresivity",
|
|
rc_buffer_aggressivity, 4, 24000000, 0),
|
|
AVOPTION_CODEC_DOUBLE("rc_initial_cplx", "initial complexity for pass1 ratecontrol",
|
|
rc_initial_cplx, 0., 9999999., 0),
|
|
AVOPTION_CODEC_DOUBLE("i_quant_factor", "qscale factor between p and i frames",
|
|
i_quant_factor, 0., 0., 0),
|
|
AVOPTION_CODEC_DOUBLE("i_quant_offset", "qscale offset between p and i frames",
|
|
i_quant_factor, -999999., 999999., 0),
|
|
AVOPTION_CODEC_INT("dct_algo", "dct alghorithm",
|
|
dct_algo, 0, 5, 0), // fixme - "Auto,FastInt,Int,MMX,MLib,Altivec"
|
|
AVOPTION_CODEC_DOUBLE("lumi_masking", "luminance masking",
|
|
lumi_masking, 0., 999999., 0),
|
|
AVOPTION_CODEC_DOUBLE("temporal_cplx_masking", "temporary complexity masking",
|
|
temporal_cplx_masking, 0., 999999., 0),
|
|
AVOPTION_CODEC_DOUBLE("spatial_cplx_masking", "spatial complexity masking",
|
|
spatial_cplx_masking, 0., 999999., 0),
|
|
AVOPTION_CODEC_DOUBLE("p_masking", "p block masking",
|
|
p_masking, 0., 999999., 0),
|
|
AVOPTION_CODEC_DOUBLE("dark_masking", "darkness masking",
|
|
dark_masking, 0., 999999., 0),
|
|
AVOPTION_CODEC_INT("idct_algo", "idct alghorithm",
|
|
idct_algo, 0, 8, 0), // fixme - "Auto,Int,Simple,SimpleMMX,LibMPEG2MMX,PS2,MLib,ARM,Altivec"
|
|
|
|
AVOPTION_CODEC_INT("mb_qmin", "minimum MB quantizer",
|
|
mb_qmin, 0, 8, 0),
|
|
AVOPTION_CODEC_INT("mb_qmax", "maximum MB quantizer",
|
|
mb_qmin, 0, 8, 0),
|
|
|
|
AVOPTION_CODEC_INT("me_cmp", "ME compare function",
|
|
me_cmp, 0, 24000000, 0),
|
|
AVOPTION_CODEC_INT("me_sub_cmp", "subpixel ME compare function",
|
|
me_sub_cmp, 0, 24000000, 0),
|
|
|
|
|
|
AVOPTION_CODEC_INT("dia_size", "ME diamond size & shape",
|
|
dia_size, 0, 24000000, 0),
|
|
AVOPTION_CODEC_INT("last_predictor_count", "amount of previous MV predictors",
|
|
last_predictor_count, 0, 24000000, 0),
|
|
|
|
AVOPTION_CODEC_INT("pre_me", "pre pass for ME",
|
|
pre_me, 0, 24000000, 0),
|
|
AVOPTION_CODEC_INT("me_pre_cmp", "ME pre pass compare function",
|
|
me_pre_cmp, 0, 24000000, 0),
|
|
|
|
AVOPTION_CODEC_INT("me_range", "maximum ME search range",
|
|
me_range, 0, 24000000, 0),
|
|
AVOPTION_CODEC_INT("pre_dia_size", "ME pre pass diamod size & shape",
|
|
pre_dia_size, 0, 24000000, 0),
|
|
AVOPTION_CODEC_INT("me_subpel_quality", "subpel ME quality",
|
|
me_subpel_quality, 0, 24000000, 0),
|
|
AVOPTION_CODEC_INT("me_range", "maximum ME search range",
|
|
me_range, 0, 24000000, 0),
|
|
AVOPTION_CODEC_FLAG("psnr", "calculate PSNR of compressed frames",
|
|
flags, CODEC_FLAG_PSNR, 0),
|
|
AVOPTION_CODEC_RCOVERRIDE("rc_override", "ratecontrol override (=startframe,endframe,qscale,quality_factor)",
|
|
rc_override),
|
|
AVOPTION_SUB(avoptions_common),
|
|
AVOPTION_END()
|
|
};
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
|
|
AVCodec mpeg1video_encoder = {
|
|
"mpeg1video",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_MPEG1VIDEO,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
};
|
|
|
|
#ifdef CONFIG_RISKY
|
|
|
|
AVCodec mpeg2video_encoder = {
|
|
"mpeg2video",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_MPEG2VIDEO,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
};
|
|
|
|
AVCodec h263_encoder = {
|
|
"h263",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_H263,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
};
|
|
|
|
AVCodec h263p_encoder = {
|
|
"h263p",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_H263P,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
};
|
|
|
|
AVCodec flv_encoder = {
|
|
"flv",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_FLV1,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
};
|
|
|
|
AVCodec rv10_encoder = {
|
|
"rv10",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_RV10,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
};
|
|
|
|
AVCodec mpeg4_encoder = {
|
|
"mpeg4",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_MPEG4,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.options = mpeg4_options,
|
|
};
|
|
|
|
AVCodec msmpeg4v1_encoder = {
|
|
"msmpeg4v1",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_MSMPEG4V1,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.options = mpeg4_options,
|
|
};
|
|
|
|
AVCodec msmpeg4v2_encoder = {
|
|
"msmpeg4v2",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_MSMPEG4V2,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.options = mpeg4_options,
|
|
};
|
|
|
|
AVCodec msmpeg4v3_encoder = {
|
|
"msmpeg4",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_MSMPEG4V3,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.options = mpeg4_options,
|
|
};
|
|
|
|
AVCodec wmv1_encoder = {
|
|
"wmv1",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_WMV1,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.options = mpeg4_options,
|
|
};
|
|
|
|
#endif
|
|
|
|
AVCodec mjpeg_encoder = {
|
|
"mjpeg",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_MJPEG,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
};
|
|
|
|
#endif //CONFIG_ENCODERS
|