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rate distortion mb decision support

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fix decoding of old %16!=0 divx
fix assertion failure in motion_est.c

Originally committed as revision 2094 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-07-29 02:09:12 +00:00
parent 80adda8efd
commit 7d1c3fc1d6
12 changed files with 237 additions and 145 deletions
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17
ffmpeg.c
View File

@ -113,7 +113,7 @@ static int video_disable = 0;
static int video_codec_id = CODEC_ID_NONE;
static int same_quality = 0;
static int b_frames = 0;
static int use_hq = 0;
static int mb_decision = FF_MB_DECISION_SIMPLE;
static int use_4mv = 0;
/* Fx */
static int use_aic = 0;
@ -1751,6 +1751,11 @@ static void opt_b_frames(const char *arg)
}
}
static void opt_mb_decision(const char *arg)
{
mb_decision = atoi(arg);
}
static void opt_qscale(const char *arg)
{
video_qscale = atoi(arg);
@ -2222,9 +2227,8 @@ static void opt_output_file(const char *filename)
if(bitexact)
video_enc->flags |= CODEC_FLAG_BITEXACT;
if (use_hq) {
video_enc->flags |= CODEC_FLAG_HQ;
}
video_enc->mb_decision = mb_decision;
/* Fx */
if (use_umv) {
video_enc->flags |= CODEC_FLAG_H263P_UMV;
@ -2234,7 +2238,7 @@ static void opt_output_file(const char *filename)
}
/* /Fx */
if (use_4mv) {
video_enc->flags |= CODEC_FLAG_HQ;
video_enc->mb_decision = FF_MB_DECISION_BITS; //FIXME remove
video_enc->flags |= CODEC_FLAG_4MV;
}
@ -2679,7 +2683,8 @@ const OptionDef options[] = {
{ "er", HAS_ARG | OPT_EXPERT, {(void*)opt_error_resilience}, "set error resilience", "" },
{ "ec", HAS_ARG | OPT_EXPERT, {(void*)opt_error_concealment}, "set error concealment", "" },
{ "bf", HAS_ARG | OPT_EXPERT, {(void*)opt_b_frames}, "use 'frames' B frames (only MPEG-4)", "frames" },
{ "hq", OPT_BOOL | OPT_EXPERT, {(void*)&use_hq}, "activate high quality settings" },
{ "hq", OPT_BOOL | OPT_EXPERT, {(void*)&mb_decision}, "activate high quality settings" },
{ "mbd", HAS_ARG | OPT_EXPERT, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
{ "4mv", OPT_BOOL | OPT_EXPERT, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
{ "part", OPT_BOOL | OPT_EXPERT, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
{ "bug", HAS_ARG | OPT_EXPERT, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },

4
ffserver.c
View File

@ -4220,11 +4220,11 @@ static int parse_ffconfig(const char *filename)
}
} else if (!strcasecmp(cmd, "VideoHighQuality")) {
if (stream) {
video_enc.flags |= CODEC_FLAG_HQ;
video_enc.mb_decision = FF_MB_DECISION_BITS;
}
} else if (!strcasecmp(cmd, "Video4MotionVector")) {
if (stream) {
video_enc.flags |= CODEC_FLAG_HQ;
video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
video_enc.flags |= CODEC_FLAG_4MV;
}
} else if (!strcasecmp(cmd, "VideoQDiff")) {

17
libavcodec/avcodec.h
View File

@ -15,8 +15,8 @@ extern "C" {
#define LIBAVCODEC_VERSION_INT 0x000406
#define LIBAVCODEC_VERSION "0.4.6"
#define LIBAVCODEC_BUILD 4672
#define LIBAVCODEC_BUILD_STR "4672"
#define LIBAVCODEC_BUILD 4673
#define LIBAVCODEC_BUILD_STR "4673"
#define LIBAVCODEC_IDENT "FFmpeg" LIBAVCODEC_VERSION "b" LIBAVCODEC_BUILD_STR
@ -169,7 +169,6 @@ static const int Motion_Est_QTab[] = { ME_ZERO, ME_PHODS, ME_LOG,
Note: note not everything is supported yet
*/
#define CODEC_FLAG_HQ 0x0001 ///< brute force MB-type decission mode (slow)
#define CODEC_FLAG_QSCALE 0x0002 ///< use fixed qscale
#define CODEC_FLAG_4MV 0x0004 ///< 4 MV per MB allowed
#define CODEC_FLAG_QPEL 0x0010 ///< use qpel MC
@ -1173,7 +1172,17 @@ typedef struct AVCodecContext {
* - decoding: set by decoder
*/
int xvmc_acceleration;
/**
* macroblock decision mode
* - encoding: set by user.
* - decoding: unused
*/
int mb_decision;
#define FF_MB_DECISION_SIMPLE 0 ///< uses mb_cmp
#define FF_MB_DECISION_BITS 1 ///< chooses the one which needs the fewest bits
#define FF_MB_DECISION_RD 2 ///< rate distoration
} AVCodecContext;

18
libavcodec/error_resilience.c
View File

@ -30,6 +30,14 @@
#include "mpegvideo.h"
#include "common.h"
static void decode_mb(MpegEncContext *s){
s->dest[0] = s->current_picture.data[0] + (s->mb_y * 16* s->linesize ) + s->mb_x * 16;
s->dest[1] = s->current_picture.data[1] + (s->mb_y * 8 * s->uvlinesize) + s->mb_x * 8;
s->dest[2] = s->current_picture.data[2] + (s->mb_y * 8 * s->uvlinesize) + s->mb_x * 8;
MPV_decode_mb(s, s->block);
}
/**
* replaces the current MB with a flat dc only version.
*/
@ -346,7 +354,7 @@ static void guess_mv(MpegEncContext *s){
s->mb_y= mb_y;
s->mv[0][0][0]= 0;
s->mv[0][0][1]= 0;
MPV_decode_mb(s, s->block);
decode_mb(s);
}
}
return;
@ -480,7 +488,7 @@ int score_sum=0;
s->motion_val[mot_index][0]= s->mv[0][0][0]= mv_predictor[j][0];
s->motion_val[mot_index][1]= s->mv[0][0][1]= mv_predictor[j][1];
MPV_decode_mb(s, s->block);
decode_mb(s);
if(mb_x>0 && fixed[mb_xy-1]){
int k;
@ -513,7 +521,7 @@ score_sum+= best_score;
s->motion_val[mot_index][0]= s->mv[0][0][0]= mv_predictor[best_pred][0];
s->motion_val[mot_index][1]= s->mv[0][0][1]= mv_predictor[best_pred][1];
MPV_decode_mb(s, s->block);
decode_mb(s);
if(s->mv[0][0][0] != prev_x || s->mv[0][0][1] != prev_y){
@ -848,7 +856,7 @@ void ff_er_frame_end(MpegEncContext *s){
s->mb_x= mb_x;
s->mb_y= mb_y;
MPV_decode_mb(s, s->block);
decode_mb(s);
}
}
@ -888,7 +896,7 @@ void ff_er_frame_end(MpegEncContext *s){
s->dsp.clear_blocks(s->block[0]);
s->mb_x= mb_x;
s->mb_y= mb_y;
MPV_decode_mb(s, s->block);
decode_mb(s);
}
}
}else

47
libavcodec/h263.c
View File

@ -512,6 +512,53 @@ int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){
}
}
void ff_h263_update_motion_val(MpegEncContext * s){
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
//FIXME a lot of thet is only needed for !low_delay
const int wrap = s->block_wrap[0];
const int xy = s->block_index[0];
s->current_picture.mbskip_table[mb_xy]= s->mb_skiped;
if(s->mv_type != MV_TYPE_8X8){
int motion_x, motion_y;
if (s->mb_intra) {
motion_x = 0;
motion_y = 0;
} else if (s->mv_type == MV_TYPE_16X16) {
motion_x = s->mv[0][0][0];
motion_y = s->mv[0][0][1];
} else /*if (s->mv_type == MV_TYPE_FIELD)*/ {
int i;
motion_x = s->mv[0][0][0] + s->mv[0][1][0];
motion_y = s->mv[0][0][1] + s->mv[0][1][1];
motion_x = (motion_x>>1) | (motion_x&1);
for(i=0; i<2; i++){
s->field_mv_table[mb_xy][i][0]= s->mv[0][i][0];
s->field_mv_table[mb_xy][i][1]= s->mv[0][i][1];
s->field_select_table[mb_xy][i]= s->field_select[0][i];
}
}
/* no update if 8X8 because it has been done during parsing */
s->motion_val[xy][0] = motion_x;
s->motion_val[xy][1] = motion_y;
s->motion_val[xy + 1][0] = motion_x;
s->motion_val[xy + 1][1] = motion_y;
s->motion_val[xy + wrap][0] = motion_x;
s->motion_val[xy + wrap][1] = motion_y;
s->motion_val[xy + 1 + wrap][0] = motion_x;
s->motion_val[xy + 1 + wrap][1] = motion_y;
}
if(s->encoding){ //FIXME encoding MUST be cleaned up
if (s->mv_type == MV_TYPE_8X8)
s->current_picture.mb_type[mb_xy]= MB_TYPE_L0 | MB_TYPE_8x8;
else
s->current_picture.mb_type[mb_xy]= MB_TYPE_L0 | MB_TYPE_16x16;
}
}
#ifdef CONFIG_ENCODERS
void mpeg4_encode_mb(MpegEncContext * s,
DCTELEM block[6][64],

6
libavcodec/h263dec.c
View File

@ -209,6 +209,9 @@ static int decode_slice(MpegEncContext *s){
//printf("%d %d %06X\n", ret, get_bits_count(&s->gb), show_bits(&s->gb, 24));
ret= s->decode_mb(s, s->block);
if (s->pict_type!=B_TYPE)
ff_h263_update_motion_val(s);
if(ret<0){
const int xy= s->mb_x + s->mb_y*s->mb_stride;
if(ret==SLICE_END){
@ -533,6 +536,9 @@ retry:
if(s->divx_version && s->divx_version<500){
s->workaround_bugs|= FF_BUG_EDGE;
}
if(s->avctx->codec_tag == ff_get_fourcc("DIVX") && s->divx_version==0 && s->lavc_build==0 && s->xvid_build==0 && s->vo_type==0 && s->vol_control_parameters==0 && s->low_delay)
s->workaround_bugs|= FF_BUG_EDGE;
#if 0
if(s->divx_version==500)

20
libavcodec/motion_est.c
View File

@ -1083,7 +1083,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
#endif
if(s->flags&CODEC_FLAG_HQ){
if(s->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
if (vard <= 64 || vard < varc)
s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
else
@ -1315,8 +1315,8 @@ static inline int check_bidir_mv(MpegEncContext * s,
dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
src_x = mb_x * 16 + (motion_fx >> 2);
src_y = mb_y * 16 + (motion_fy >> 2);
assert(src_x >=-16 && src_x<=s->width);
assert(src_y >=-16 && src_y<=s->height);
assert(src_x >=-16 && src_x<=s->h_edge_pos);
assert(src_y >=-16 && src_y<=s->v_edge_pos);
ptr = s->last_picture.data[0] + (src_y * s->linesize) + src_x;
s->dsp.put_qpel_pixels_tab[0][dxy](dest_y , ptr , s->linesize);
@ -1324,8 +1324,8 @@ static inline int check_bidir_mv(MpegEncContext * s,
dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
src_x = mb_x * 16 + (motion_bx >> 2);
src_y = mb_y * 16 + (motion_by >> 2);
assert(src_x >=-16 && src_x<=s->width);
assert(src_y >=-16 && src_y<=s->height);
assert(src_x >=-16 && src_x<=s->h_edge_pos);
assert(src_y >=-16 && src_y<=s->v_edge_pos);
ptr = s->next_picture.data[0] + (src_y * s->linesize) + src_x;
s->dsp.avg_qpel_pixels_tab[0][dxy](dest_y , ptr , s->linesize);
@ -1333,8 +1333,8 @@ static inline int check_bidir_mv(MpegEncContext * s,
dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
src_x = mb_x * 16 + (motion_fx >> 1);
src_y = mb_y * 16 + (motion_fy >> 1);
assert(src_x >=-16 && src_x<=s->width);
assert(src_y >=-16 && src_y<=s->height);
assert(src_x >=-16 && src_x<=s->h_edge_pos);
assert(src_y >=-16 && src_y<=s->v_edge_pos);
ptr = s->last_picture.data[0] + (src_y * s->linesize) + src_x;
s->dsp.put_pixels_tab[0][dxy](dest_y , ptr , s->linesize, 16);
@ -1342,8 +1342,8 @@ static inline int check_bidir_mv(MpegEncContext * s,
dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
src_x = mb_x * 16 + (motion_bx >> 1);
src_y = mb_y * 16 + (motion_by >> 1);
assert(src_x >=-16 && src_x<=s->width);
assert(src_y >=-16 && src_y<=s->height);
assert(src_x >=-16 && src_x<=s->h_edge_pos);
assert(src_y >=-16 && src_y<=s->v_edge_pos);
ptr = s->next_picture.data[0] + (src_y * s->linesize) + src_x;
s->dsp.avg_pixels_tab[0][dxy](dest_y , ptr , s->linesize, 16);
@ -1523,7 +1523,7 @@ void ff_estimate_b_frame_motion(MpegEncContext * s,
s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
}
if(s->flags&CODEC_FLAG_HQ){
if(s->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
type= MB_TYPE_FORWARD | MB_TYPE_BACKWARD | MB_TYPE_BIDIR | MB_TYPE_DIRECT; //FIXME something smarter
if(dmin>256*256*16) type&= ~MB_TYPE_DIRECT; //dont try direct mode if its invalid for this MB
}

9
libavcodec/mpeg12.c
View File

@ -1924,6 +1924,7 @@ static int mpeg_decode_slice(AVCodecContext *avctx,
s->resync_mb_x= s->mb_x;
s->resync_mb_y= s->mb_y = start_code;
s->mb_skip_run= 0;
ff_init_block_index(s);
for(;;) {
s->dsp.clear_blocks(s->block[0]);
@ -1959,8 +1960,12 @@ static int mpeg_decode_slice(AVCodecContext *avctx,
s->motion_val[xy + 1 + wrap][1] = motion_y;
}
MPV_decode_mb(s, s->block);
s->dest[0] += 16;
s->dest[1] += 8;
s->dest[2] += 8;
MPV_decode_mb(s, s->block);
if (++s->mb_x >= s->mb_width) {
if(s->avctx->codec_tag == ff_get_fourcc("VCR2"))
exchange_uv((AVFrame*)s->current_picture_ptr);
@ -1983,6 +1988,8 @@ static int mpeg_decode_slice(AVCodecContext *avctx,
}else
goto eos;
}
ff_init_block_index(s);
}
/* skip mb handling */

227
libavcodec/mpegvideo.c
View File

@ -50,6 +50,7 @@ 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
@ -2425,50 +2426,6 @@ void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
else if (s->h263_pred || s->h263_aic)
s->mbintra_table[mb_xy]=1;
/* update motion predictor, not for B-frames as they need the motion_val from the last P/S-Frame */
if (s->out_format == FMT_H263 && s->pict_type!=B_TYPE) { //FIXME move into h263.c if possible, format specific stuff shouldnt be here
//FIXME a lot of thet is only needed for !low_delay
const int wrap = s->block_wrap[0];
const int xy = s->block_index[0];
if(s->mv_type != MV_TYPE_8X8){
int motion_x, motion_y;
if (s->mb_intra) {
motion_x = 0;
motion_y = 0;
} else if (s->mv_type == MV_TYPE_16X16) {
motion_x = s->mv[0][0][0];
motion_y = s->mv[0][0][1];
} else /*if (s->mv_type == MV_TYPE_FIELD)*/ {
int i;
motion_x = s->mv[0][0][0] + s->mv[0][1][0];
motion_y = s->mv[0][0][1] + s->mv[0][1][1];
motion_x = (motion_x>>1) | (motion_x&1);
for(i=0; i<2; i++){
s->field_mv_table[mb_xy][i][0]= s->mv[0][i][0];
s->field_mv_table[mb_xy][i][1]= s->mv[0][i][1];
s->field_select_table[mb_xy][i]= s->field_select[0][i];
}
}
/* no update if 8X8 because it has been done during parsing */
s->motion_val[xy][0] = motion_x;
s->motion_val[xy][1] = motion_y;
s->motion_val[xy + 1][0] = motion_x;
s->motion_val[xy + 1][1] = motion_y;
s->motion_val[xy + wrap][0] = motion_x;
s->motion_val[xy + wrap][1] = motion_y;
s->motion_val[xy + 1 + wrap][0] = motion_x;
s->motion_val[xy + 1 + wrap][1] = motion_y;
}
if(s->encoding){ //FIXME encoding MUST be cleaned up
if (s->mv_type == MV_TYPE_8X8)
s->current_picture.mb_type[mb_xy]= MB_TYPE_L0 | MB_TYPE_8x8;
else
s->current_picture.mb_type[mb_xy]= MB_TYPE_L0 | MB_TYPE_16x16;
}
}
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;
@ -2478,10 +2435,6 @@ void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
const int uvlinesize= s->current_picture.linesize[1];
/* avoid copy if macroblock skipped in last frame too */
if (s->pict_type != B_TYPE) {
s->current_picture.mbskip_table[mb_xy]= s->mb_skiped;
}
/* 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];
@ -2506,17 +2459,6 @@ void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
} else{
*mbskip_ptr = 0; /* not skipped */
}
}else
s->mb_skiped= 0;
if(s->pict_type==B_TYPE && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME){ //FIXME precalc
dest_y = s->current_picture.data[0] + mb_x * 16;
dest_cb = s->current_picture.data[1] + mb_x * 8;
dest_cr = s->current_picture.data[2] + mb_x * 8;
}else{
dest_y = s->current_picture.data[0] + (mb_y * 16* linesize ) + mb_x * 16;
dest_cb = s->current_picture.data[1] + (mb_y * 8 * uvlinesize) + mb_x * 8;
dest_cr = s->current_picture.data[2] + (mb_y * 8 * uvlinesize) + mb_x * 8;
}
if (s->interlaced_dct) {
@ -2526,11 +2468,15 @@ void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
dct_linesize = linesize;
dct_offset = linesize * 8;
}
dest_y= s->dest[0];
dest_cb= s->dest[1];
dest_cr= s->dest[2];
if (!s->mb_intra) {
/* motion handling */
/* decoding or more than one mb_type (MC was allready done otherwise) */
if((!s->encoding) || (s->mb_type[mb_xy]&(s->mb_type[mb_xy]-1))){
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;
@ -2791,6 +2737,28 @@ void ff_draw_horiz_band(MpegEncContext *s, int y, int 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)
@ -2885,9 +2853,9 @@ static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
int wrap_y, wrap_c;
int emu=0;
dest_y = s->current_picture.data[0] + (mb_y * 16 * s->linesize ) + mb_x * 16;
dest_cb = s->current_picture.data[1] + (mb_y * 8 * (s->uvlinesize)) + mb_x * 8;
dest_cr = s->current_picture.data[2] + (mb_y * 8 * (s->uvlinesize)) + mb_x * 8;
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;
@ -3161,7 +3129,7 @@ static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext
d->misc_bits= s->misc_bits;
d->last_bits= 0;
d->mb_skiped= s->mb_skiped;
d->mb_skiped= 0;
d->qscale= s->qscale;
}
@ -3206,7 +3174,8 @@ static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegE
PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
int *dmin, int *next_block, int motion_x, int motion_y)
{
int bits_count;
int score;
uint8_t *dest_backup[3];
copy_context_before_encode(s, backup, type);
@ -3216,24 +3185,44 @@ static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegE
s->pb2 = pb2 [*next_block];
s->tex_pb= tex_pb[*next_block];
}
encode_mb(s, motion_x, motion_y);
bits_count= get_bit_count(&s->pb);
if(s->data_partitioning){
bits_count+= get_bit_count(&s->pb2);
bits_count+= get_bit_count(&s->tex_pb);
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
}
if(bits_count<*dmin){
*dmin= bits_count;
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->qscale * s->qscale * 109;
score += sse_mb(s) << 7;
}
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 inline int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
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;
@ -3254,6 +3243,23 @@ static inline int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, in
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;
@ -3508,29 +3514,21 @@ static void encode_picture(MpegEncContext *s, int picture_number)
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;
s->y_dc_scale= s->y_dc_scale_table[ s->qscale ];
s->c_dc_scale= s->c_dc_scale_table[ s->qscale ];
ff_init_block_index(s);
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);
s->block_index[4]= s->block_wrap[4]*(mb_y + 1) + s->block_wrap[0]*(s->mb_height*2 + 2);
s->block_index[5]= s->block_wrap[4]*(mb_y + 1 + s->mb_height + 2) + s->block_wrap[0]*(s->mb_height*2 + 2);
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=10000000;
int dmin= INT_MAX;
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;
s->block_index[4]++;
s->block_index[5]++;
ff_update_block_index(s);
/* write gob / video packet header */
#ifdef CONFIG_RISKY
@ -3588,6 +3586,8 @@ static void encode_picture(MpegEncContext *s, int picture_number)
s->first_slice_line=0;
}
s->mb_skiped=0;
if(mb_type & (mb_type-1)){ // more than 1 MB type possible
int next_block=0;
int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
@ -3670,9 +3670,12 @@ static void encode_picture(MpegEncContext *s, int picture_number)
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);
/* force cleaning of ac/dc pred stuff if needed ... */
if(s->h263_pred || s->h263_aic)
s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
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?
}
}
copy_context_after_encode(s, &best_s, -1);
@ -3693,12 +3696,24 @@ static void encode_picture(MpegEncContext *s, int picture_number)
s->tex_pb= backup_s.tex_pb;
}
s->last_bits= get_bit_count(&s->pb);
if (s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
ff_h263_update_motion_val(s);
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;
int intra_score;
int inter_score= s->current_picture.mb_cmp_score[mb_x + mb_y*s->mb_stride];
if(!(s->flags&CODEC_FLAG_HQ) && s->pict_type==P_TYPE){
if(s->avctx->mb_decision==FF_MB_DECISION_SIMPLE && s->pict_type==P_TYPE){ //FIXME check if the mess is usefull at all
/* get luma score */
if((s->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
intra_score= (s->current_picture.mb_var[mb_x + mb_y*s->mb_stride]<<8) - 500; //FIXME dont scale it down so we dont have to fix it
@ -3846,6 +3861,11 @@ static void encode_picture(MpegEncContext *s, int picture_number)
// RAL: Update last macrobloc type
s->last_mv_dir = s->mv_dir;
if (s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
ff_h263_update_motion_val(s);
MPV_decode_mb(s, s->block);
}
/* clean the MV table in IPS frames for direct mode in B frames */
@ -3853,8 +3873,6 @@ static void encode_picture(MpegEncContext *s, int picture_number)
s->p_mv_table[xy][0]=0;
s->p_mv_table[xy][1]=0;
}
MPV_decode_mb(s, s->block);
if(s->flags&CODEC_FLAG_PSNR){
int w= 16;
@ -3864,20 +3882,14 @@ static void encode_picture(MpegEncContext *s, int picture_number)
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->current_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
w, h, s->linesize);
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->current_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
w>>1, h>>1, s->uvlinesize);
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->current_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
w>>1, h>>1, s->uvlinesize);
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);
}
//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, get_bit_count(&s->pb));
}
@ -4402,7 +4414,6 @@ static void dct_unquantize_h263_c(MpegEncContext *s,
static const AVOption mpeg4_options[] =
{
AVOPTION_CODEC_INT("bitrate", "desired video bitrate", bit_rate, 4, 240000000, 800000),
AVOPTION_CODEC_FLAG("vhq", "very high quality", flags, CODEC_FLAG_HQ, 0),
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),

14
libavcodec/mpegvideo.h
View File

@ -430,6 +430,7 @@ typedef struct MpegEncContext {
int block_index[6]; ///< index to current MB in block based arrays with edges
int block_wrap[6];
uint8_t *dest[3];
int *mb_index2xy; ///< mb_index -> mb_x + mb_y*mb_stride
@ -723,14 +724,7 @@ void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int en
extern enum PixelFormat ff_yuv420p_list[2];
static inline void ff_init_block_index(MpegEncContext *s){
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;
}
void ff_init_block_index(MpegEncContext *s);
static inline void ff_update_block_index(MpegEncContext *s){
s->block_index[0]+=2;
@ -739,6 +733,9 @@ static inline void ff_update_block_index(MpegEncContext *s){
s->block_index[3]+=2;
s->block_index[4]++;
s->block_index[5]++;
s->dest[0]+= 16;
s->dest[1]+= 8;
s->dest[2]+= 8;
}
static inline int get_bits_diff(MpegEncContext *s){
@ -833,6 +830,7 @@ void h263_decode_init_vlc(MpegEncContext *s);
int h263_decode_picture_header(MpegEncContext *s);
int ff_h263_decode_gob_header(MpegEncContext *s);
int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb);
void ff_h263_update_motion_val(MpegEncContext * s);
int intel_h263_decode_picture_header(MpegEncContext *s);

1
libavcodec/rv10.c
View File

@ -466,6 +466,7 @@ static int rv10_decode_packet(AVCodecContext *avctx,
fprintf(stderr, "ERROR at MB %d %d\n", s->mb_x, s->mb_y);
return -1;
}
ff_h263_update_motion_val(s);
MPV_decode_mb(s, s->block);
if (++s->mb_x == s->mb_width) {
s->mb_x = 0;

2
libavcodec/utils.c
View File

@ -489,7 +489,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
case CODEC_TYPE_VIDEO:
snprintf(buf, buf_size,
"Video: %s%s",
codec_name, enc->flags & CODEC_FLAG_HQ ? " (hq)" : "");
codec_name, enc->mb_decision ? " (hq)" : "");
if (enc->codec_id == CODEC_ID_RAWVIDEO) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %s",