2002-11-14 21:20:04 +02:00
|
|
|
/*
|
|
|
|
* huffyuv codec for libavcodec
|
|
|
|
*
|
2003-01-14 21:25:05 +02:00
|
|
|
* Copyright (c) 2002-2003 Michael Niedermayer <michaelni@gmx.at>
|
2002-11-14 21:20:04 +02:00
|
|
|
*
|
2007-07-05 13:37:29 +03:00
|
|
|
* see http://www.pcisys.net/~melanson/codecs/huffyuv.txt for a description of
|
|
|
|
* the algorithm used
|
|
|
|
*
|
2006-10-07 18:30:46 +03:00
|
|
|
* This file is part of FFmpeg.
|
|
|
|
*
|
|
|
|
* FFmpeg is free software; you can redistribute it and/or
|
2002-11-14 21:20:04 +02:00
|
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
|
|
* License as published by the Free Software Foundation; either
|
2006-10-07 18:30:46 +03:00
|
|
|
* version 2.1 of the License, or (at your option) any later version.
|
2002-11-14 21:20:04 +02:00
|
|
|
*
|
2006-10-07 18:30:46 +03:00
|
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
2002-11-14 21:20:04 +02:00
|
|
|
* 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
|
2006-10-07 18:30:46 +03:00
|
|
|
* License along with FFmpeg; if not, write to the Free Software
|
2006-01-13 00:43:26 +02:00
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
2002-11-14 21:20:04 +02:00
|
|
|
*/
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2003-03-06 13:32:04 +02:00
|
|
|
/**
|
|
|
|
* @file huffyuv.c
|
|
|
|
* huffyuv codec for libavcodec.
|
|
|
|
*/
|
2002-11-14 21:20:04 +02:00
|
|
|
|
|
|
|
#include "avcodec.h"
|
2007-05-10 12:00:44 +03:00
|
|
|
#include "bitstream.h"
|
2002-11-14 21:20:04 +02:00
|
|
|
#include "dsputil.h"
|
|
|
|
|
|
|
|
#define VLC_BITS 11
|
2002-12-04 12:04:03 +02:00
|
|
|
|
2004-08-17 12:57:56 +03:00
|
|
|
#ifdef WORDS_BIGENDIAN
|
|
|
|
#define B 3
|
|
|
|
#define G 2
|
|
|
|
#define R 1
|
|
|
|
#else
|
|
|
|
#define B 0
|
|
|
|
#define G 1
|
|
|
|
#define R 2
|
|
|
|
#endif
|
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
typedef enum Predictor{
|
|
|
|
LEFT= 0,
|
|
|
|
PLANE,
|
|
|
|
MEDIAN,
|
|
|
|
} Predictor;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
typedef struct HYuvContext{
|
|
|
|
AVCodecContext *avctx;
|
|
|
|
Predictor predictor;
|
|
|
|
GetBitContext gb;
|
|
|
|
PutBitContext pb;
|
|
|
|
int interlaced;
|
|
|
|
int decorrelate;
|
|
|
|
int bitstream_bpp;
|
|
|
|
int version;
|
|
|
|
int yuy2; //use yuy2 instead of 422P
|
|
|
|
int bgr32; //use bgr32 instead of bgr24
|
|
|
|
int width, height;
|
|
|
|
int flags;
|
2004-11-27 05:54:18 +02:00
|
|
|
int context;
|
2002-11-14 21:20:04 +02:00
|
|
|
int picture_number;
|
2002-11-15 13:05:14 +02:00
|
|
|
int last_slice_end;
|
2005-01-12 02:16:25 +02:00
|
|
|
uint8_t *temp[3];
|
2002-11-14 21:20:04 +02:00
|
|
|
uint64_t stats[3][256];
|
|
|
|
uint8_t len[3][256];
|
|
|
|
uint32_t bits[3][256];
|
2007-05-25 03:16:14 +03:00
|
|
|
uint32_t pix_bgr_map[1<<VLC_BITS];
|
2007-05-23 12:02:07 +03:00
|
|
|
VLC vlc[6]; //Y,U,V,YY,YU,YV
|
2002-12-09 14:03:43 +02:00
|
|
|
AVFrame picture;
|
2005-01-12 02:16:25 +02:00
|
|
|
uint8_t *bitstream_buffer;
|
2006-01-26 00:10:13 +02:00
|
|
|
unsigned int bitstream_buffer_size;
|
2005-12-17 20:14:38 +02:00
|
|
|
DSPContext dsp;
|
2002-11-14 21:20:04 +02:00
|
|
|
}HYuvContext;
|
|
|
|
|
2003-02-24 15:28:22 +02:00
|
|
|
static const unsigned char classic_shift_luma[] = {
|
2003-02-24 11:49:37 +02:00
|
|
|
34,36,35,69,135,232,9,16,10,24,11,23,12,16,13,10,14,8,15,8,
|
|
|
|
16,8,17,20,16,10,207,206,205,236,11,8,10,21,9,23,8,8,199,70,
|
|
|
|
69,68, 0
|
|
|
|
};
|
|
|
|
|
2003-02-24 15:28:22 +02:00
|
|
|
static const unsigned char classic_shift_chroma[] = {
|
2003-02-24 11:49:37 +02:00
|
|
|
66,36,37,38,39,40,41,75,76,77,110,239,144,81,82,83,84,85,118,183,
|
|
|
|
56,57,88,89,56,89,154,57,58,57,26,141,57,56,58,57,58,57,184,119,
|
|
|
|
214,245,116,83,82,49,80,79,78,77,44,75,41,40,39,38,37,36,34, 0
|
|
|
|
};
|
|
|
|
|
2003-02-24 15:28:22 +02:00
|
|
|
static const unsigned char classic_add_luma[256] = {
|
2003-02-24 11:49:37 +02:00
|
|
|
3, 9, 5, 12, 10, 35, 32, 29, 27, 50, 48, 45, 44, 41, 39, 37,
|
|
|
|
73, 70, 68, 65, 64, 61, 58, 56, 53, 50, 49, 46, 44, 41, 38, 36,
|
|
|
|
68, 65, 63, 61, 58, 55, 53, 51, 48, 46, 45, 43, 41, 39, 38, 36,
|
|
|
|
35, 33, 32, 30, 29, 27, 26, 25, 48, 47, 46, 44, 43, 41, 40, 39,
|
|
|
|
37, 36, 35, 34, 32, 31, 30, 28, 27, 26, 24, 23, 22, 20, 19, 37,
|
|
|
|
35, 34, 33, 31, 30, 29, 27, 26, 24, 23, 21, 20, 18, 17, 15, 29,
|
|
|
|
27, 26, 24, 22, 21, 19, 17, 16, 14, 26, 25, 23, 21, 19, 18, 16,
|
|
|
|
15, 27, 25, 23, 21, 19, 17, 16, 14, 26, 25, 23, 21, 18, 17, 14,
|
|
|
|
12, 17, 19, 13, 4, 9, 2, 11, 1, 7, 8, 0, 16, 3, 14, 6,
|
|
|
|
12, 10, 5, 15, 18, 11, 10, 13, 15, 16, 19, 20, 22, 24, 27, 15,
|
|
|
|
18, 20, 22, 24, 26, 14, 17, 20, 22, 24, 27, 15, 18, 20, 23, 25,
|
|
|
|
28, 16, 19, 22, 25, 28, 32, 36, 21, 25, 29, 33, 38, 42, 45, 49,
|
|
|
|
28, 31, 34, 37, 40, 42, 44, 47, 49, 50, 52, 54, 56, 57, 59, 60,
|
|
|
|
62, 64, 66, 67, 69, 35, 37, 39, 40, 42, 43, 45, 47, 48, 51, 52,
|
|
|
|
54, 55, 57, 59, 60, 62, 63, 66, 67, 69, 71, 72, 38, 40, 42, 43,
|
|
|
|
46, 47, 49, 51, 26, 28, 30, 31, 33, 34, 18, 19, 11, 13, 7, 8,
|
|
|
|
};
|
|
|
|
|
2003-02-24 15:28:22 +02:00
|
|
|
static const unsigned char classic_add_chroma[256] = {
|
2003-02-24 11:49:37 +02:00
|
|
|
3, 1, 2, 2, 2, 2, 3, 3, 7, 5, 7, 5, 8, 6, 11, 9,
|
|
|
|
7, 13, 11, 10, 9, 8, 7, 5, 9, 7, 6, 4, 7, 5, 8, 7,
|
|
|
|
11, 8, 13, 11, 19, 15, 22, 23, 20, 33, 32, 28, 27, 29, 51, 77,
|
|
|
|
43, 45, 76, 81, 46, 82, 75, 55, 56,144, 58, 80, 60, 74,147, 63,
|
|
|
|
143, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
|
|
|
|
80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 27, 30, 21, 22,
|
|
|
|
17, 14, 5, 6,100, 54, 47, 50, 51, 53,106,107,108,109,110,111,
|
|
|
|
112,113,114,115, 4,117,118, 92, 94,121,122, 3,124,103, 2, 1,
|
|
|
|
0,129,130,131,120,119,126,125,136,137,138,139,140,141,142,134,
|
|
|
|
135,132,133,104, 64,101, 62, 57,102, 95, 93, 59, 61, 28, 97, 96,
|
|
|
|
52, 49, 48, 29, 32, 25, 24, 46, 23, 98, 45, 44, 43, 20, 42, 41,
|
|
|
|
19, 18, 99, 40, 15, 39, 38, 16, 13, 12, 11, 37, 10, 9, 8, 36,
|
|
|
|
7,128,127,105,123,116, 35, 34, 33,145, 31, 79, 42,146, 78, 26,
|
|
|
|
83, 48, 49, 50, 44, 47, 26, 31, 30, 18, 17, 19, 21, 24, 25, 13,
|
|
|
|
14, 16, 17, 18, 20, 21, 12, 14, 15, 9, 10, 6, 9, 6, 5, 8,
|
|
|
|
6, 12, 8, 10, 7, 9, 6, 4, 6, 2, 2, 3, 3, 3, 3, 2,
|
|
|
|
};
|
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
static inline int add_left_prediction(uint8_t *dst, uint8_t *src, int w, int acc){
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for(i=0; i<w-1; i++){
|
|
|
|
acc+= src[i];
|
|
|
|
dst[i]= acc;
|
|
|
|
i++;
|
|
|
|
acc+= src[i];
|
|
|
|
dst[i]= acc;
|
|
|
|
}
|
|
|
|
|
|
|
|
for(; i<w; i++){
|
|
|
|
acc+= src[i];
|
|
|
|
dst[i]= acc;
|
|
|
|
}
|
|
|
|
|
|
|
|
return acc;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void add_median_prediction(uint8_t *dst, uint8_t *src1, uint8_t *diff, int w, int *left, int *left_top){
|
|
|
|
int i;
|
|
|
|
uint8_t l, lt;
|
|
|
|
|
|
|
|
l= *left;
|
|
|
|
lt= *left_top;
|
|
|
|
|
|
|
|
for(i=0; i<w; i++){
|
|
|
|
l= mid_pred(l, src1[i], (l + src1[i] - lt)&0xFF) + diff[i];
|
|
|
|
lt= src1[i];
|
|
|
|
dst[i]= l;
|
2005-12-17 20:14:38 +02:00
|
|
|
}
|
2002-11-14 21:20:04 +02:00
|
|
|
|
|
|
|
*left= l;
|
|
|
|
*left_top= lt;
|
|
|
|
}
|
2003-05-08 02:32:45 +03:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
static inline void add_left_prediction_bgr32(uint8_t *dst, uint8_t *src, int w, int *red, int *green, int *blue){
|
|
|
|
int i;
|
|
|
|
int r,g,b;
|
|
|
|
r= *red;
|
|
|
|
g= *green;
|
|
|
|
b= *blue;
|
|
|
|
|
|
|
|
for(i=0; i<w; i++){
|
2004-08-17 12:57:56 +03:00
|
|
|
b+= src[4*i+B];
|
|
|
|
g+= src[4*i+G];
|
|
|
|
r+= src[4*i+R];
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2004-08-17 12:57:56 +03:00
|
|
|
dst[4*i+B]= b;
|
|
|
|
dst[4*i+G]= g;
|
|
|
|
dst[4*i+R]= r;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
*red= r;
|
|
|
|
*green= g;
|
|
|
|
*blue= b;
|
|
|
|
}
|
|
|
|
|
2002-11-15 13:05:14 +02:00
|
|
|
static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst, uint8_t *src, int w, int left){
|
2002-11-14 21:20:04 +02:00
|
|
|
int i;
|
2002-11-15 13:05:14 +02:00
|
|
|
if(w<32){
|
|
|
|
for(i=0; i<w; i++){
|
|
|
|
const int temp= src[i];
|
|
|
|
dst[i]= temp - left;
|
|
|
|
left= temp;
|
|
|
|
}
|
|
|
|
return left;
|
|
|
|
}else{
|
|
|
|
for(i=0; i<16; i++){
|
|
|
|
const int temp= src[i];
|
|
|
|
dst[i]= temp - left;
|
|
|
|
left= temp;
|
|
|
|
}
|
|
|
|
s->dsp.diff_bytes(dst+16, src+16, src+15, w-16);
|
|
|
|
return src[w-1];
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
}
|
2003-06-22 14:08:22 +03:00
|
|
|
|
2007-03-18 14:03:29 +02:00
|
|
|
static inline void sub_left_prediction_bgr32(HYuvContext *s, uint8_t *dst, uint8_t *src, int w, int *red, int *green, int *blue){
|
|
|
|
int i;
|
|
|
|
int r,g,b;
|
|
|
|
r= *red;
|
|
|
|
g= *green;
|
|
|
|
b= *blue;
|
|
|
|
for(i=0; i<FFMIN(w,4); i++){
|
|
|
|
const int rt= src[i*4+R];
|
|
|
|
const int gt= src[i*4+G];
|
|
|
|
const int bt= src[i*4+B];
|
|
|
|
dst[i*4+R]= rt - r;
|
|
|
|
dst[i*4+G]= gt - g;
|
|
|
|
dst[i*4+B]= bt - b;
|
|
|
|
r = rt;
|
|
|
|
g = gt;
|
|
|
|
b = bt;
|
|
|
|
}
|
|
|
|
s->dsp.diff_bytes(dst+16, src+16, src+12, w*4-16);
|
|
|
|
*red= src[(w-1)*4+R];
|
|
|
|
*green= src[(w-1)*4+G];
|
|
|
|
*blue= src[(w-1)*4+B];
|
|
|
|
}
|
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
static void read_len_table(uint8_t *dst, GetBitContext *gb){
|
|
|
|
int i, val, repeat;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
for(i=0; i<256;){
|
|
|
|
repeat= get_bits(gb, 3);
|
|
|
|
val = get_bits(gb, 5);
|
|
|
|
if(repeat==0)
|
|
|
|
repeat= get_bits(gb, 8);
|
|
|
|
//printf("%d %d\n", val, repeat);
|
|
|
|
while (repeat--)
|
|
|
|
dst[i++] = val;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int generate_bits_table(uint32_t *dst, uint8_t *len_table){
|
|
|
|
int len, index;
|
|
|
|
uint32_t bits=0;
|
|
|
|
|
|
|
|
for(len=32; len>0; len--){
|
|
|
|
for(index=0; index<256; index++){
|
2003-05-23 15:58:46 +03:00
|
|
|
if(len_table[index]==len)
|
|
|
|
dst[index]= bits++;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2003-05-23 15:58:46 +03:00
|
|
|
if(bits & 1){
|
2003-11-03 15:26:22 +02:00
|
|
|
av_log(NULL, AV_LOG_ERROR, "Error generating huffman table\n");
|
2003-05-23 15:58:46 +03:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
bits >>= 1;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-09-03 15:33:21 +03:00
|
|
|
#if defined(CONFIG_HUFFYUV_ENCODER) || defined(CONFIG_FFVHUFF_ENCODER)
|
2007-05-19 05:32:59 +03:00
|
|
|
typedef struct {
|
|
|
|
uint64_t val;
|
|
|
|
int name;
|
2008-12-12 18:21:23 +02:00
|
|
|
} HeapElem;
|
2007-05-19 05:32:59 +03:00
|
|
|
|
2008-12-12 18:21:23 +02:00
|
|
|
static void heap_sift(HeapElem *h, int root, int size)
|
2007-05-19 05:32:59 +03:00
|
|
|
{
|
|
|
|
while(root*2+1 < size) {
|
|
|
|
int child = root*2+1;
|
|
|
|
if(child < size-1 && h[child].val > h[child+1].val)
|
|
|
|
child++;
|
|
|
|
if(h[root].val > h[child].val) {
|
2008-12-12 18:21:23 +02:00
|
|
|
FFSWAP(HeapElem, h[root], h[child]);
|
2007-05-19 05:32:59 +03:00
|
|
|
root = child;
|
|
|
|
} else
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
static void generate_len_table(uint8_t *dst, uint64_t *stats, int size){
|
2008-12-12 18:21:23 +02:00
|
|
|
HeapElem h[size];
|
2002-11-14 21:20:04 +02:00
|
|
|
int up[2*size];
|
2007-05-19 05:32:59 +03:00
|
|
|
int len[2*size];
|
2002-11-14 21:20:04 +02:00
|
|
|
int offset, i, next;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
for(offset=1; ; offset<<=1){
|
|
|
|
for(i=0; i<size; i++){
|
2007-05-19 05:32:59 +03:00
|
|
|
h[i].name = i;
|
|
|
|
h[i].val = (stats[i] << 8) + offset;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2007-05-19 05:32:59 +03:00
|
|
|
for(i=size/2-1; i>=0; i--)
|
|
|
|
heap_sift(h, i, size);
|
|
|
|
|
|
|
|
for(next=size; next<size*2-1; next++){
|
|
|
|
// merge the two smallest entries, and put it back in the heap
|
|
|
|
uint64_t min1v = h[0].val;
|
|
|
|
up[h[0].name] = next;
|
|
|
|
h[0].val = INT64_MAX;
|
|
|
|
heap_sift(h, 0, size);
|
|
|
|
up[h[0].name] = next;
|
|
|
|
h[0].name = next;
|
|
|
|
h[0].val += min1v;
|
|
|
|
heap_sift(h, 0, size);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2007-05-19 05:32:59 +03:00
|
|
|
len[2*size-2] = 0;
|
|
|
|
for(i=2*size-3; i>=size; i--)
|
|
|
|
len[i] = len[up[i]] + 1;
|
|
|
|
for(i=0; i<size; i++) {
|
|
|
|
dst[i] = len[up[i]] + 1;
|
2007-08-05 03:29:02 +03:00
|
|
|
if(dst[i] >= 32) break;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
if(i==size) break;
|
|
|
|
}
|
|
|
|
}
|
2008-09-03 15:33:21 +03:00
|
|
|
#endif /* defined(CONFIG_HUFFYUV_ENCODER) || defined(CONFIG_FFVHUFF_ENCODER) */
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2007-05-23 12:02:07 +03:00
|
|
|
static void generate_joint_tables(HYuvContext *s){
|
2007-05-25 03:16:14 +03:00
|
|
|
uint16_t symbols[1<<VLC_BITS];
|
|
|
|
uint16_t bits[1<<VLC_BITS];
|
|
|
|
uint8_t len[1<<VLC_BITS];
|
2007-05-23 12:02:07 +03:00
|
|
|
if(s->bitstream_bpp < 24){
|
|
|
|
int p, i, y, u;
|
|
|
|
for(p=0; p<3; p++){
|
|
|
|
for(i=y=0; y<256; y++){
|
|
|
|
int len0 = s->len[0][y];
|
|
|
|
int limit = VLC_BITS - len0;
|
2007-05-24 22:04:19 +03:00
|
|
|
if(limit <= 0)
|
|
|
|
continue;
|
|
|
|
for(u=0; u<256; u++){
|
|
|
|
int len1 = s->len[p][u];
|
|
|
|
if(len1 > limit)
|
|
|
|
continue;
|
|
|
|
len[i] = len0 + len1;
|
|
|
|
bits[i] = (s->bits[0][y] << len1) + s->bits[p][u];
|
|
|
|
symbols[i] = (y<<8) + u;
|
|
|
|
if(symbols[i] != 0xffff) // reserved to mean "invalid"
|
|
|
|
i++;
|
2007-05-23 12:02:07 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
free_vlc(&s->vlc[3+p]);
|
2007-05-24 20:40:02 +03:00
|
|
|
init_vlc_sparse(&s->vlc[3+p], VLC_BITS, i, len, 1, 1, bits, 2, 2, symbols, 2, 2, 0);
|
2007-05-23 12:02:07 +03:00
|
|
|
}
|
2007-05-25 03:16:14 +03:00
|
|
|
}else{
|
|
|
|
uint8_t (*map)[4] = (uint8_t(*)[4])s->pix_bgr_map;
|
|
|
|
int i, b, g, r, code;
|
|
|
|
int p0 = s->decorrelate;
|
|
|
|
int p1 = !s->decorrelate;
|
|
|
|
// restrict the range to +/-16 becaues that's pretty much guaranteed to
|
|
|
|
// cover all the combinations that fit in 11 bits total, and it doesn't
|
|
|
|
// matter if we miss a few rare codes.
|
|
|
|
for(i=0, g=-16; g<16; g++){
|
|
|
|
int len0 = s->len[p0][g&255];
|
|
|
|
int limit0 = VLC_BITS - len0;
|
|
|
|
if(limit0 < 2)
|
|
|
|
continue;
|
|
|
|
for(b=-16; b<16; b++){
|
|
|
|
int len1 = s->len[p1][b&255];
|
|
|
|
int limit1 = limit0 - len1;
|
|
|
|
if(limit1 < 1)
|
|
|
|
continue;
|
|
|
|
code = (s->bits[p0][g&255] << len1) + s->bits[p1][b&255];
|
|
|
|
for(r=-16; r<16; r++){
|
|
|
|
int len2 = s->len[2][r&255];
|
|
|
|
if(len2 > limit1)
|
|
|
|
continue;
|
|
|
|
len[i] = len0 + len1 + len2;
|
|
|
|
bits[i] = (code << len2) + s->bits[2][r&255];
|
|
|
|
if(s->decorrelate){
|
|
|
|
map[i][G] = g;
|
|
|
|
map[i][B] = g+b;
|
|
|
|
map[i][R] = g+r;
|
|
|
|
}else{
|
|
|
|
map[i][B] = g;
|
|
|
|
map[i][G] = b;
|
|
|
|
map[i][R] = r;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
free_vlc(&s->vlc[3]);
|
|
|
|
init_vlc(&s->vlc[3], VLC_BITS, i, len, 1, 1, bits, 2, 2, 0);
|
2007-05-23 12:02:07 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
static int read_huffman_tables(HYuvContext *s, uint8_t *src, int length){
|
|
|
|
GetBitContext gb;
|
|
|
|
int i;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2003-01-21 19:34:12 +02:00
|
|
|
init_get_bits(&gb, src, length*8);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
for(i=0; i<3; i++){
|
|
|
|
read_len_table(s->len[i], &gb);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
if(generate_bits_table(s->bits[i], s->len[i])<0){
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
#if 0
|
|
|
|
for(j=0; j<256; j++){
|
|
|
|
printf("%6X, %2d, %3d\n", s->bits[i][j], s->len[i][j], j);
|
|
|
|
}
|
|
|
|
#endif
|
2004-11-27 05:54:18 +02:00
|
|
|
free_vlc(&s->vlc[i]);
|
2004-11-27 20:10:06 +02:00
|
|
|
init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2007-05-23 12:02:07 +03:00
|
|
|
generate_joint_tables(s);
|
|
|
|
|
2004-11-27 05:54:18 +02:00
|
|
|
return (get_bits_count(&gb)+7)/8;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static int read_old_huffman_tables(HYuvContext *s){
|
2003-02-24 11:49:37 +02:00
|
|
|
#if 1
|
2002-11-14 21:20:04 +02:00
|
|
|
GetBitContext gb;
|
|
|
|
int i;
|
|
|
|
|
2003-01-21 19:34:12 +02:00
|
|
|
init_get_bits(&gb, classic_shift_luma, sizeof(classic_shift_luma)*8);
|
2002-11-14 21:20:04 +02:00
|
|
|
read_len_table(s->len[0], &gb);
|
2003-01-21 19:34:12 +02:00
|
|
|
init_get_bits(&gb, classic_shift_chroma, sizeof(classic_shift_chroma)*8);
|
2002-11-14 21:20:04 +02:00
|
|
|
read_len_table(s->len[1], &gb);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
for(i=0; i<256; i++) s->bits[0][i] = classic_add_luma [i];
|
|
|
|
for(i=0; i<256; i++) s->bits[1][i] = classic_add_chroma[i];
|
|
|
|
|
|
|
|
if(s->bitstream_bpp >= 24){
|
|
|
|
memcpy(s->bits[1], s->bits[0], 256*sizeof(uint32_t));
|
|
|
|
memcpy(s->len[1] , s->len [0], 256*sizeof(uint8_t));
|
|
|
|
}
|
|
|
|
memcpy(s->bits[2], s->bits[1], 256*sizeof(uint32_t));
|
|
|
|
memcpy(s->len[2] , s->len [1], 256*sizeof(uint8_t));
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2004-11-27 05:54:18 +02:00
|
|
|
for(i=0; i<3; i++){
|
|
|
|
free_vlc(&s->vlc[i]);
|
2004-11-27 20:10:06 +02:00
|
|
|
init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0);
|
2004-11-27 05:54:18 +02:00
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2007-05-23 12:02:07 +03:00
|
|
|
generate_joint_tables(s);
|
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
return 0;
|
|
|
|
#else
|
2006-03-08 13:43:10 +02:00
|
|
|
av_log(s->avctx, AV_LOG_DEBUG, "v1 huffyuv is not supported \n");
|
2002-11-14 21:20:04 +02:00
|
|
|
return -1;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2005-02-17 21:00:42 +02:00
|
|
|
static void alloc_temp(HYuvContext *s){
|
|
|
|
int i;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-02-17 21:00:42 +02:00
|
|
|
if(s->bitstream_bpp<24){
|
|
|
|
for(i=0; i<3; i++){
|
|
|
|
s->temp[i]= av_malloc(s->width + 16);
|
|
|
|
}
|
|
|
|
}else{
|
2007-03-18 14:03:29 +02:00
|
|
|
for(i=0; i<2; i++){
|
|
|
|
s->temp[i]= av_malloc(4*s->width + 16);
|
|
|
|
}
|
2005-02-17 21:00:42 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
static int common_init(AVCodecContext *avctx){
|
2002-11-14 21:20:04 +02:00
|
|
|
HYuvContext *s = avctx->priv_data;
|
|
|
|
|
|
|
|
s->avctx= avctx;
|
|
|
|
s->flags= avctx->flags;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2003-03-05 19:53:33 +02:00
|
|
|
dsputil_init(&s->dsp, avctx);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
s->width= avctx->width;
|
|
|
|
s->height= avctx->height;
|
|
|
|
assert(s->width>0 && s->height>0);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-09-03 02:25:57 +03:00
|
|
|
#if defined(CONFIG_HUFFYUV_DECODER) || defined(CONFIG_FFVHUFF_DECODER)
|
2008-03-21 05:11:20 +02:00
|
|
|
static av_cold int decode_init(AVCodecContext *avctx)
|
2005-01-12 02:16:25 +02:00
|
|
|
{
|
|
|
|
HYuvContext *s = avctx->priv_data;
|
|
|
|
|
|
|
|
common_init(avctx);
|
2004-11-27 05:54:18 +02:00
|
|
|
memset(s->vlc, 0, 3*sizeof(VLC));
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-12-09 14:03:43 +02:00
|
|
|
avctx->coded_frame= &s->picture;
|
2005-01-12 02:16:25 +02:00
|
|
|
s->interlaced= s->height > 288;
|
2002-12-04 12:04:03 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
s->bgr32=1;
|
|
|
|
//if(avctx->extradata)
|
|
|
|
// printf("extradata:%X, extradata_size:%d\n", *(uint32_t*)avctx->extradata, avctx->extradata_size);
|
|
|
|
if(avctx->extradata_size){
|
2008-09-08 17:24:59 +03:00
|
|
|
if((avctx->bits_per_coded_sample&7) && avctx->bits_per_coded_sample != 12)
|
2002-11-14 21:20:04 +02:00
|
|
|
s->version=1; // do such files exist at all?
|
|
|
|
else
|
|
|
|
s->version=2;
|
|
|
|
}else
|
|
|
|
s->version=0;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
if(s->version==2){
|
2004-11-28 21:19:39 +02:00
|
|
|
int method, interlace;
|
2002-11-14 21:20:04 +02:00
|
|
|
|
|
|
|
method= ((uint8_t*)avctx->extradata)[0];
|
|
|
|
s->decorrelate= method&64 ? 1 : 0;
|
|
|
|
s->predictor= method&63;
|
|
|
|
s->bitstream_bpp= ((uint8_t*)avctx->extradata)[1];
|
2005-12-17 20:14:38 +02:00
|
|
|
if(s->bitstream_bpp==0)
|
2008-09-08 17:24:59 +03:00
|
|
|
s->bitstream_bpp= avctx->bits_per_coded_sample&~7;
|
2004-11-28 21:19:39 +02:00
|
|
|
interlace= (((uint8_t*)avctx->extradata)[2] & 0x30) >> 4;
|
|
|
|
s->interlaced= (interlace==1) ? 1 : (interlace==2) ? 0 : s->interlaced;
|
2004-11-27 05:54:18 +02:00
|
|
|
s->context= ((uint8_t*)avctx->extradata)[2] & 0x40 ? 1 : 0;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
if(read_huffman_tables(s, ((uint8_t*)avctx->extradata)+4, avctx->extradata_size) < 0)
|
|
|
|
return -1;
|
|
|
|
}else{
|
2008-09-08 17:24:59 +03:00
|
|
|
switch(avctx->bits_per_coded_sample&7){
|
2002-11-14 21:20:04 +02:00
|
|
|
case 1:
|
|
|
|
s->predictor= LEFT;
|
|
|
|
s->decorrelate= 0;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
s->predictor= LEFT;
|
|
|
|
s->decorrelate= 1;
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
s->predictor= PLANE;
|
2008-09-08 17:24:59 +03:00
|
|
|
s->decorrelate= avctx->bits_per_coded_sample >= 24;
|
2002-11-14 21:20:04 +02:00
|
|
|
break;
|
|
|
|
case 4:
|
|
|
|
s->predictor= MEDIAN;
|
|
|
|
s->decorrelate= 0;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
s->predictor= LEFT; //OLD
|
|
|
|
s->decorrelate= 0;
|
|
|
|
break;
|
|
|
|
}
|
2008-09-08 17:24:59 +03:00
|
|
|
s->bitstream_bpp= avctx->bits_per_coded_sample & ~7;
|
2004-11-27 05:54:18 +02:00
|
|
|
s->context= 0;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
if(read_old_huffman_tables(s) < 0)
|
|
|
|
return -1;
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
switch(s->bitstream_bpp){
|
|
|
|
case 12:
|
|
|
|
avctx->pix_fmt = PIX_FMT_YUV420P;
|
|
|
|
break;
|
|
|
|
case 16:
|
|
|
|
if(s->yuy2){
|
2007-02-07 03:48:09 +02:00
|
|
|
avctx->pix_fmt = PIX_FMT_YUYV422;
|
2002-11-14 21:20:04 +02:00
|
|
|
}else{
|
|
|
|
avctx->pix_fmt = PIX_FMT_YUV422P;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 24:
|
|
|
|
case 32:
|
|
|
|
if(s->bgr32){
|
2007-02-07 03:48:09 +02:00
|
|
|
avctx->pix_fmt = PIX_FMT_RGB32;
|
2002-11-14 21:20:04 +02:00
|
|
|
}else{
|
|
|
|
avctx->pix_fmt = PIX_FMT_BGR24;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
assert(0);
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-02-17 21:00:42 +02:00
|
|
|
alloc_temp(s);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2008-09-08 17:24:59 +03:00
|
|
|
// av_log(NULL, AV_LOG_DEBUG, "pred:%d bpp:%d hbpp:%d il:%d\n", s->predictor, s->bitstream_bpp, avctx->bits_per_coded_sample, s->interlaced);
|
2004-08-27 01:46:15 +03:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
return 0;
|
|
|
|
}
|
2008-09-03 02:25:57 +03:00
|
|
|
#endif /* defined(CONFIG_HUFFYUV_DECODER) || defined(CONFIG_FFVHUFF_DECODER) */
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2008-09-03 15:33:21 +03:00
|
|
|
#if defined(CONFIG_HUFFYUV_ENCODER) || defined(CONFIG_FFVHUFF_ENCODER)
|
2004-11-27 05:54:18 +02:00
|
|
|
static int store_table(HYuvContext *s, uint8_t *len, uint8_t *buf){
|
2002-11-14 21:20:04 +02:00
|
|
|
int i;
|
2004-11-27 05:54:18 +02:00
|
|
|
int index= 0;
|
2002-11-14 21:20:04 +02:00
|
|
|
|
|
|
|
for(i=0; i<256;){
|
|
|
|
int val= len[i];
|
2003-10-13 22:38:34 +03:00
|
|
|
int repeat=0;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2003-10-13 22:38:34 +03:00
|
|
|
for(; i<256 && len[i]==val && repeat<255; i++)
|
|
|
|
repeat++;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2003-10-13 22:38:34 +03:00
|
|
|
assert(val < 32 && val >0 && repeat<256 && repeat>0);
|
2002-11-14 21:20:04 +02:00
|
|
|
if(repeat>7){
|
2004-11-27 05:54:18 +02:00
|
|
|
buf[index++]= val;
|
|
|
|
buf[index++]= repeat;
|
2002-11-14 21:20:04 +02:00
|
|
|
}else{
|
2004-11-27 05:54:18 +02:00
|
|
|
buf[index++]= val | (repeat<<5);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2004-11-27 05:54:18 +02:00
|
|
|
return index;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
|
2008-03-21 05:11:20 +02:00
|
|
|
static av_cold int encode_init(AVCodecContext *avctx)
|
2002-11-14 21:20:04 +02:00
|
|
|
{
|
|
|
|
HYuvContext *s = avctx->priv_data;
|
2005-01-12 02:16:25 +02:00
|
|
|
int i, j;
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
common_init(avctx);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
avctx->extradata= av_mallocz(1024*30); // 256*3+4 == 772
|
|
|
|
avctx->stats_out= av_mallocz(1024*30); // 21*256*3(%llu ) + 3(\n) + 1(0) = 16132
|
2002-11-14 21:20:04 +02:00
|
|
|
s->version=2;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-12-09 14:03:43 +02:00
|
|
|
avctx->coded_frame= &s->picture;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
switch(avctx->pix_fmt){
|
2002-11-15 00:25:20 +02:00
|
|
|
case PIX_FMT_YUV420P:
|
|
|
|
s->bitstream_bpp= 12;
|
|
|
|
break;
|
2002-11-14 21:20:04 +02:00
|
|
|
case PIX_FMT_YUV422P:
|
|
|
|
s->bitstream_bpp= 16;
|
|
|
|
break;
|
2007-03-18 14:03:29 +02:00
|
|
|
case PIX_FMT_RGB32:
|
|
|
|
s->bitstream_bpp= 24;
|
|
|
|
break;
|
2002-11-14 21:20:04 +02:00
|
|
|
default:
|
2003-11-03 15:26:22 +02:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "format not supported\n");
|
2002-11-14 21:20:04 +02:00
|
|
|
return -1;
|
|
|
|
}
|
2008-09-08 17:24:59 +03:00
|
|
|
avctx->bits_per_coded_sample= s->bitstream_bpp;
|
2002-11-14 21:20:04 +02:00
|
|
|
s->decorrelate= s->bitstream_bpp >= 24;
|
|
|
|
s->predictor= avctx->prediction_method;
|
2004-09-17 13:57:57 +03:00
|
|
|
s->interlaced= avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0;
|
2004-11-27 05:54:18 +02:00
|
|
|
if(avctx->context_model==1){
|
|
|
|
s->context= avctx->context_model;
|
|
|
|
if(s->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)){
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "context=1 is not compatible with 2 pass huffyuv encoding\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}else s->context= 0;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2004-11-28 20:29:38 +02:00
|
|
|
if(avctx->codec->id==CODEC_ID_HUFFYUV){
|
|
|
|
if(avctx->pix_fmt==PIX_FMT_YUV420P){
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Error: YV12 is not supported by huffyuv; use vcodec=ffvhuff or format=422p\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if(avctx->context_model){
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Error: per-frame huffman tables are not supported by huffyuv; use vcodec=ffvhuff\n");
|
|
|
|
return -1;
|
|
|
|
}
|
2005-01-12 02:16:25 +02:00
|
|
|
if(s->interlaced != ( s->height > 288 ))
|
2004-11-28 20:29:38 +02:00
|
|
|
av_log(avctx, AV_LOG_INFO, "using huffyuv 2.2.0 or newer interlacing flag\n");
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2007-03-18 14:03:29 +02:00
|
|
|
if(s->bitstream_bpp>=24 && s->predictor==MEDIAN){
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Error: RGB is incompatible with median predictor\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
((uint8_t*)avctx->extradata)[0]= s->predictor | (s->decorrelate << 6);
|
2002-11-14 21:20:04 +02:00
|
|
|
((uint8_t*)avctx->extradata)[1]= s->bitstream_bpp;
|
2004-11-28 21:19:39 +02:00
|
|
|
((uint8_t*)avctx->extradata)[2]= s->interlaced ? 0x10 : 0x20;
|
2004-11-27 05:54:18 +02:00
|
|
|
if(s->context)
|
|
|
|
((uint8_t*)avctx->extradata)[2]|= 0x40;
|
2002-11-14 21:20:04 +02:00
|
|
|
((uint8_t*)avctx->extradata)[3]= 0;
|
|
|
|
s->avctx->extradata_size= 4;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
if(avctx->stats_in){
|
|
|
|
char *p= avctx->stats_in;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
for(i=0; i<3; i++)
|
|
|
|
for(j=0; j<256; j++)
|
|
|
|
s->stats[i][j]= 1;
|
|
|
|
|
|
|
|
for(;;){
|
|
|
|
for(i=0; i<3; i++){
|
|
|
|
char *next;
|
|
|
|
|
|
|
|
for(j=0; j<256; j++){
|
|
|
|
s->stats[i][j]+= strtol(p, &next, 0);
|
|
|
|
if(next==p) return -1;
|
|
|
|
p=next;
|
2005-12-17 20:14:38 +02:00
|
|
|
}
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
if(p[0]==0 || p[1]==0 || p[2]==0) break;
|
|
|
|
}
|
|
|
|
}else{
|
|
|
|
for(i=0; i<3; i++)
|
|
|
|
for(j=0; j<256; j++){
|
|
|
|
int d= FFMIN(j, 256-j);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
s->stats[i][j]= 100000000/(d+1);
|
|
|
|
}
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
for(i=0; i<3; i++){
|
|
|
|
generate_len_table(s->len[i], s->stats[i], 256);
|
|
|
|
|
|
|
|
if(generate_bits_table(s->bits[i], s->len[i])<0){
|
|
|
|
return -1;
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2004-11-27 05:54:18 +02:00
|
|
|
s->avctx->extradata_size+=
|
|
|
|
store_table(s, s->len[i], &((uint8_t*)s->avctx->extradata)[s->avctx->extradata_size]);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
|
2004-11-27 05:54:18 +02:00
|
|
|
if(s->context){
|
|
|
|
for(i=0; i<3; i++){
|
2005-01-12 02:16:25 +02:00
|
|
|
int pels = s->width*s->height / (i?40:10);
|
2004-11-27 05:54:18 +02:00
|
|
|
for(j=0; j<256; j++){
|
|
|
|
int d= FFMIN(j, 256-j);
|
|
|
|
s->stats[i][j]= pels/(d+1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}else{
|
|
|
|
for(i=0; i<3; i++)
|
|
|
|
for(j=0; j<256; j++)
|
|
|
|
s->stats[i][j]= 0;
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2008-09-08 17:24:59 +03:00
|
|
|
// printf("pred:%d bpp:%d hbpp:%d il:%d\n", s->predictor, s->bitstream_bpp, avctx->bits_per_coded_sample, s->interlaced);
|
2003-05-08 02:32:45 +03:00
|
|
|
|
2005-02-17 21:00:42 +02:00
|
|
|
alloc_temp(s);
|
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
s->picture_number=0;
|
2003-05-08 02:32:45 +03:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
return 0;
|
|
|
|
}
|
2008-09-03 15:33:21 +03:00
|
|
|
#endif /* defined(CONFIG_HUFFYUV_ENCODER) || defined(CONFIG_FFVHUFF_ENCODER) */
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2007-05-23 12:02:07 +03:00
|
|
|
/* TODO instead of restarting the read when the code isn't in the first level
|
|
|
|
* of the joint table, jump into the 2nd level of the individual table. */
|
|
|
|
#define READ_2PIX(dst0, dst1, plane1){\
|
2007-05-24 20:40:02 +03:00
|
|
|
uint16_t code = get_vlc2(&s->gb, s->vlc[3+plane1].table, VLC_BITS, 1);\
|
|
|
|
if(code != 0xffff){\
|
|
|
|
dst0 = code>>8;\
|
|
|
|
dst1 = code;\
|
2007-05-23 12:02:07 +03:00
|
|
|
}else{\
|
|
|
|
dst0 = get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3);\
|
|
|
|
dst1 = get_vlc2(&s->gb, s->vlc[plane1].table, VLC_BITS, 3);\
|
|
|
|
}\
|
|
|
|
}
|
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
static void decode_422_bitstream(HYuvContext *s, int count){
|
|
|
|
int i;
|
2003-05-08 02:32:45 +03:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
count/=2;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
for(i=0; i<count; i++){
|
2007-05-23 12:02:07 +03:00
|
|
|
READ_2PIX(s->temp[0][2*i ], s->temp[1][i], 1);
|
|
|
|
READ_2PIX(s->temp[0][2*i+1], s->temp[2][i], 2);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
static void decode_gray_bitstream(HYuvContext *s, int count){
|
|
|
|
int i;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
count/=2;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
for(i=0; i<count; i++){
|
2007-05-23 12:02:07 +03:00
|
|
|
READ_2PIX(s->temp[0][2*i ], s->temp[0][2*i+1], 0);
|
2002-11-15 00:25:20 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-09-03 15:33:21 +03:00
|
|
|
#if defined(CONFIG_HUFFYUV_ENCODER) || defined(CONFIG_FFVHUFF_ENCODER)
|
2005-01-12 02:16:25 +02:00
|
|
|
static int encode_422_bitstream(HYuvContext *s, int count){
|
2002-11-14 21:20:04 +02:00
|
|
|
int i;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < 2*4*count){
|
|
|
|
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
|
|
|
return -1;
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2007-05-18 11:58:30 +03:00
|
|
|
#define LOAD4\
|
|
|
|
int y0 = s->temp[0][2*i];\
|
|
|
|
int y1 = s->temp[0][2*i+1];\
|
|
|
|
int u0 = s->temp[1][i];\
|
|
|
|
int v0 = s->temp[2][i];
|
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
count/=2;
|
|
|
|
if(s->flags&CODEC_FLAG_PASS1){
|
|
|
|
for(i=0; i<count; i++){
|
2007-05-18 11:58:30 +03:00
|
|
|
LOAD4;
|
|
|
|
s->stats[0][y0]++;
|
|
|
|
s->stats[1][u0]++;
|
|
|
|
s->stats[0][y1]++;
|
|
|
|
s->stats[2][v0]++;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2005-02-06 12:36:07 +02:00
|
|
|
}
|
|
|
|
if(s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT)
|
|
|
|
return 0;
|
|
|
|
if(s->context){
|
2004-11-27 05:54:18 +02:00
|
|
|
for(i=0; i<count; i++){
|
2007-05-18 11:58:30 +03:00
|
|
|
LOAD4;
|
|
|
|
s->stats[0][y0]++;
|
|
|
|
put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
|
|
|
|
s->stats[1][u0]++;
|
|
|
|
put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
|
|
|
|
s->stats[0][y1]++;
|
|
|
|
put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
|
|
|
|
s->stats[2][v0]++;
|
|
|
|
put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
|
2004-11-27 05:54:18 +02:00
|
|
|
}
|
2002-11-14 21:20:04 +02:00
|
|
|
}else{
|
|
|
|
for(i=0; i<count; i++){
|
2007-05-18 11:58:30 +03:00
|
|
|
LOAD4;
|
|
|
|
put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
|
|
|
|
put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
|
|
|
|
put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
|
|
|
|
put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
}
|
2005-01-12 02:16:25 +02:00
|
|
|
return 0;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
static int encode_gray_bitstream(HYuvContext *s, int count){
|
2002-11-15 00:25:20 +02:00
|
|
|
int i;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < 4*count){
|
|
|
|
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2007-05-18 11:58:30 +03:00
|
|
|
#define LOAD2\
|
|
|
|
int y0 = s->temp[0][2*i];\
|
|
|
|
int y1 = s->temp[0][2*i+1];
|
|
|
|
#define STAT2\
|
|
|
|
s->stats[0][y0]++;\
|
|
|
|
s->stats[0][y1]++;
|
|
|
|
#define WRITE2\
|
|
|
|
put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
|
|
|
|
put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
|
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
count/=2;
|
|
|
|
if(s->flags&CODEC_FLAG_PASS1){
|
|
|
|
for(i=0; i<count; i++){
|
2007-05-18 11:58:30 +03:00
|
|
|
LOAD2;
|
|
|
|
STAT2;
|
2002-11-15 00:25:20 +02:00
|
|
|
}
|
2005-02-06 12:36:07 +02:00
|
|
|
}
|
|
|
|
if(s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT)
|
|
|
|
return 0;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-02-06 12:36:07 +02:00
|
|
|
if(s->context){
|
2004-11-27 05:54:18 +02:00
|
|
|
for(i=0; i<count; i++){
|
2007-05-18 11:58:30 +03:00
|
|
|
LOAD2;
|
|
|
|
STAT2;
|
|
|
|
WRITE2;
|
2004-11-27 05:54:18 +02:00
|
|
|
}
|
2002-11-15 00:25:20 +02:00
|
|
|
}else{
|
|
|
|
for(i=0; i<count; i++){
|
2007-05-18 11:58:30 +03:00
|
|
|
LOAD2;
|
|
|
|
WRITE2;
|
2002-11-15 00:25:20 +02:00
|
|
|
}
|
|
|
|
}
|
2005-01-12 02:16:25 +02:00
|
|
|
return 0;
|
2002-11-15 00:25:20 +02:00
|
|
|
}
|
2008-09-03 15:33:21 +03:00
|
|
|
#endif /* defined(CONFIG_HUFFYUV_ENCODER) || defined(CONFIG_FFVHUFF_ENCODER) */
|
2002-11-15 00:25:20 +02:00
|
|
|
|
2007-05-25 03:16:14 +03:00
|
|
|
static av_always_inline void decode_bgr_1(HYuvContext *s, int count, int decorrelate, int alpha){
|
2002-11-14 21:20:04 +02:00
|
|
|
int i;
|
2007-05-25 03:16:14 +03:00
|
|
|
for(i=0; i<count; i++){
|
|
|
|
int code = get_vlc2(&s->gb, s->vlc[3].table, VLC_BITS, 1);
|
|
|
|
if(code != -1){
|
|
|
|
*(uint32_t*)&s->temp[0][4*i] = s->pix_bgr_map[code];
|
|
|
|
}else if(decorrelate){
|
|
|
|
s->temp[0][4*i+G] = get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3);
|
|
|
|
s->temp[0][4*i+B] = get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3) + s->temp[0][4*i+G];
|
|
|
|
s->temp[0][4*i+R] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3) + s->temp[0][4*i+G];
|
2002-11-14 21:20:04 +02:00
|
|
|
}else{
|
2007-05-25 03:16:14 +03:00
|
|
|
s->temp[0][4*i+B] = get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3);
|
|
|
|
s->temp[0][4*i+G] = get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3);
|
|
|
|
s->temp[0][4*i+R] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2007-05-25 03:16:14 +03:00
|
|
|
if(alpha)
|
|
|
|
get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3); //?!
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void decode_bgr_bitstream(HYuvContext *s, int count){
|
|
|
|
if(s->decorrelate){
|
|
|
|
if(s->bitstream_bpp==24)
|
|
|
|
decode_bgr_1(s, count, 1, 0);
|
|
|
|
else
|
|
|
|
decode_bgr_1(s, count, 1, 1);
|
2002-11-14 21:20:04 +02:00
|
|
|
}else{
|
2007-05-25 03:16:14 +03:00
|
|
|
if(s->bitstream_bpp==24)
|
|
|
|
decode_bgr_1(s, count, 0, 0);
|
|
|
|
else
|
|
|
|
decode_bgr_1(s, count, 0, 1);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2007-03-18 14:03:29 +02:00
|
|
|
static int encode_bgr_bitstream(HYuvContext *s, int count){
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < 3*4*count){
|
|
|
|
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2007-05-18 11:58:30 +03:00
|
|
|
#define LOAD3\
|
|
|
|
int g= s->temp[0][4*i+G];\
|
|
|
|
int b= (s->temp[0][4*i+B] - g) & 0xff;\
|
2007-03-18 14:03:29 +02:00
|
|
|
int r= (s->temp[0][4*i+R] - g) & 0xff;
|
2007-05-18 11:58:30 +03:00
|
|
|
#define STAT3\
|
|
|
|
s->stats[0][b]++;\
|
|
|
|
s->stats[1][g]++;\
|
2007-03-18 14:03:29 +02:00
|
|
|
s->stats[2][r]++;
|
2007-05-18 11:58:30 +03:00
|
|
|
#define WRITE3\
|
|
|
|
put_bits(&s->pb, s->len[1][g], s->bits[1][g]);\
|
|
|
|
put_bits(&s->pb, s->len[0][b], s->bits[0][b]);\
|
|
|
|
put_bits(&s->pb, s->len[2][r], s->bits[2][r]);
|
|
|
|
|
|
|
|
if((s->flags&CODEC_FLAG_PASS1) && (s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT)){
|
|
|
|
for(i=0; i<count; i++){
|
|
|
|
LOAD3;
|
|
|
|
STAT3;
|
2007-03-18 14:03:29 +02:00
|
|
|
}
|
|
|
|
}else if(s->context || (s->flags&CODEC_FLAG_PASS1)){
|
|
|
|
for(i=0; i<count; i++){
|
2007-05-18 11:58:30 +03:00
|
|
|
LOAD3;
|
|
|
|
STAT3;
|
|
|
|
WRITE3;
|
2007-03-18 14:03:29 +02:00
|
|
|
}
|
|
|
|
}else{
|
|
|
|
for(i=0; i<count; i++){
|
2007-05-18 11:58:30 +03:00
|
|
|
LOAD3;
|
|
|
|
WRITE3;
|
2007-03-18 14:03:29 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-09-03 02:25:57 +03:00
|
|
|
#if defined(CONFIG_HUFFYUV_DECODER) || defined(CONFIG_FFVHUFF_DECODER)
|
2002-11-15 13:05:14 +02:00
|
|
|
static void draw_slice(HYuvContext *s, int y){
|
|
|
|
int h, cy;
|
2003-07-17 15:29:07 +03:00
|
|
|
int offset[4];
|
2005-12-17 20:14:38 +02:00
|
|
|
|
|
|
|
if(s->avctx->draw_horiz_band==NULL)
|
2002-11-15 13:05:14 +02:00
|
|
|
return;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 13:05:14 +02:00
|
|
|
h= y - s->last_slice_end;
|
|
|
|
y -= h;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 13:05:14 +02:00
|
|
|
if(s->bitstream_bpp==12){
|
|
|
|
cy= y>>1;
|
|
|
|
}else{
|
|
|
|
cy= y;
|
|
|
|
}
|
2003-07-17 15:29:07 +03:00
|
|
|
|
|
|
|
offset[0] = s->picture.linesize[0]*y;
|
|
|
|
offset[1] = s->picture.linesize[1]*cy;
|
|
|
|
offset[2] = s->picture.linesize[2]*cy;
|
|
|
|
offset[3] = 0;
|
2002-11-15 13:05:14 +02:00
|
|
|
emms_c();
|
|
|
|
|
2003-07-20 17:48:05 +03:00
|
|
|
s->avctx->draw_horiz_band(s->avctx, &s->picture, offset, y, 3, h);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 13:05:14 +02:00
|
|
|
s->last_slice_end= y + h;
|
|
|
|
}
|
|
|
|
|
2008-02-01 06:14:04 +02:00
|
|
|
static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const uint8_t *buf, int buf_size){
|
2002-11-14 21:20:04 +02:00
|
|
|
HYuvContext *s = avctx->priv_data;
|
|
|
|
const int width= s->width;
|
|
|
|
const int width2= s->width>>1;
|
|
|
|
const int height= s->height;
|
2002-11-15 02:07:06 +02:00
|
|
|
int fake_ystride, fake_ustride, fake_vstride;
|
2002-12-09 14:03:43 +02:00
|
|
|
AVFrame * const p= &s->picture;
|
2004-11-27 05:54:18 +02:00
|
|
|
int table_size= 0;
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2002-12-09 14:03:43 +02:00
|
|
|
AVFrame *picture = data;
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
s->bitstream_buffer= av_fast_realloc(s->bitstream_buffer, &s->bitstream_buffer_size, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2008-02-01 06:14:04 +02:00
|
|
|
s->dsp.bswap_buf((uint32_t*)s->bitstream_buffer, (const uint32_t*)buf, buf_size/4);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2003-05-06 23:43:37 +03:00
|
|
|
if(p->data[0])
|
|
|
|
avctx->release_buffer(avctx, p);
|
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
p->reference= 0;
|
|
|
|
if(avctx->get_buffer(avctx, p) < 0){
|
2003-11-03 15:26:22 +02:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
|
2002-12-04 12:04:03 +02:00
|
|
|
return -1;
|
2002-11-15 02:07:06 +02:00
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2004-11-27 05:54:18 +02:00
|
|
|
if(s->context){
|
|
|
|
table_size = read_huffman_tables(s, s->bitstream_buffer, buf_size);
|
|
|
|
if(table_size < 0)
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2006-03-18 04:29:58 +02:00
|
|
|
if((unsigned)(buf_size-table_size) >= INT_MAX/8)
|
|
|
|
return -1;
|
|
|
|
|
2004-11-27 05:54:18 +02:00
|
|
|
init_get_bits(&s->gb, s->bitstream_buffer+table_size, (buf_size-table_size)*8);
|
2002-12-04 12:04:03 +02:00
|
|
|
|
|
|
|
fake_ystride= s->interlaced ? p->linesize[0]*2 : p->linesize[0];
|
|
|
|
fake_ustride= s->interlaced ? p->linesize[1]*2 : p->linesize[1];
|
|
|
|
fake_vstride= s->interlaced ? p->linesize[2]*2 : p->linesize[2];
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 13:05:14 +02:00
|
|
|
s->last_slice_end= 0;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
if(s->bitstream_bpp<24){
|
2002-11-15 00:25:20 +02:00
|
|
|
int y, cy;
|
2002-11-14 21:20:04 +02:00
|
|
|
int lefty, leftu, leftv;
|
|
|
|
int lefttopy, lefttopu, lefttopv;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
if(s->yuy2){
|
2002-12-04 12:04:03 +02:00
|
|
|
p->data[0][3]= get_bits(&s->gb, 8);
|
|
|
|
p->data[0][2]= get_bits(&s->gb, 8);
|
|
|
|
p->data[0][1]= get_bits(&s->gb, 8);
|
|
|
|
p->data[0][0]= get_bits(&s->gb, 8);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-04-24 20:21:11 +03:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "YUY2 output is not implemented yet\n");
|
2002-11-14 21:20:04 +02:00
|
|
|
return -1;
|
|
|
|
}else{
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
leftv= p->data[2][0]= get_bits(&s->gb, 8);
|
|
|
|
lefty= p->data[0][1]= get_bits(&s->gb, 8);
|
|
|
|
leftu= p->data[1][0]= get_bits(&s->gb, 8);
|
|
|
|
p->data[0][0]= get_bits(&s->gb, 8);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
switch(s->predictor){
|
|
|
|
case LEFT:
|
|
|
|
case PLANE:
|
|
|
|
decode_422_bitstream(s, width-2);
|
2002-12-04 12:04:03 +02:00
|
|
|
lefty= add_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty);
|
2002-11-14 21:20:04 +02:00
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
2002-12-04 12:04:03 +02:00
|
|
|
leftu= add_left_prediction(p->data[1] + 1, s->temp[1], width2-1, leftu);
|
|
|
|
leftv= add_left_prediction(p->data[2] + 1, s->temp[2], width2-1, leftv);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
for(cy=y=1; y<s->height; y++,cy++){
|
2002-11-14 21:20:04 +02:00
|
|
|
uint8_t *ydst, *udst, *vdst;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
if(s->bitstream_bpp==12){
|
|
|
|
decode_gray_bitstream(s, width);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
ydst= p->data[0] + p->linesize[0]*y;
|
2002-11-15 00:25:20 +02:00
|
|
|
|
|
|
|
lefty= add_left_prediction(ydst, s->temp[0], width, lefty);
|
|
|
|
if(s->predictor == PLANE){
|
|
|
|
if(y>s->interlaced)
|
|
|
|
s->dsp.add_bytes(ydst, ydst - fake_ystride, width);
|
|
|
|
}
|
|
|
|
y++;
|
|
|
|
if(y>=s->height) break;
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 13:05:14 +02:00
|
|
|
draw_slice(s, y);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
ydst= p->data[0] + p->linesize[0]*y;
|
|
|
|
udst= p->data[1] + p->linesize[1]*cy;
|
|
|
|
vdst= p->data[2] + p->linesize[2]*cy;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
decode_422_bitstream(s, width);
|
2002-11-14 21:20:04 +02:00
|
|
|
lefty= add_left_prediction(ydst, s->temp[0], width, lefty);
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
|
|
leftu= add_left_prediction(udst, s->temp[1], width2, leftu);
|
|
|
|
leftv= add_left_prediction(vdst, s->temp[2], width2, leftv);
|
|
|
|
}
|
|
|
|
if(s->predictor == PLANE){
|
2002-11-15 00:25:20 +02:00
|
|
|
if(cy>s->interlaced){
|
2002-11-14 21:20:04 +02:00
|
|
|
s->dsp.add_bytes(ydst, ydst - fake_ystride, width);
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
|
|
s->dsp.add_bytes(udst, udst - fake_ustride, width2);
|
|
|
|
s->dsp.add_bytes(vdst, vdst - fake_vstride, width2);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2002-11-15 13:05:14 +02:00
|
|
|
draw_slice(s, height);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
break;
|
|
|
|
case MEDIAN:
|
|
|
|
/* first line except first 2 pixels is left predicted */
|
|
|
|
decode_422_bitstream(s, width-2);
|
2002-12-04 12:04:03 +02:00
|
|
|
lefty= add_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty);
|
2002-11-14 21:20:04 +02:00
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
2002-12-04 12:04:03 +02:00
|
|
|
leftu= add_left_prediction(p->data[1] + 1, s->temp[1], width2-1, leftu);
|
|
|
|
leftv= add_left_prediction(p->data[2] + 1, s->temp[2], width2-1, leftv);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
cy=y=1;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
/* second line is left predicted for interlaced case */
|
|
|
|
if(s->interlaced){
|
|
|
|
decode_422_bitstream(s, width);
|
2002-12-04 12:04:03 +02:00
|
|
|
lefty= add_left_prediction(p->data[0] + p->linesize[0], s->temp[0], width, lefty);
|
2002-11-14 21:20:04 +02:00
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
2002-12-04 12:04:03 +02:00
|
|
|
leftu= add_left_prediction(p->data[1] + p->linesize[2], s->temp[1], width2, leftu);
|
|
|
|
leftv= add_left_prediction(p->data[2] + p->linesize[1], s->temp[2], width2, leftv);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2002-11-15 00:25:20 +02:00
|
|
|
y++; cy++;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* next 4 pixels are left predicted too */
|
|
|
|
decode_422_bitstream(s, 4);
|
2002-12-04 12:04:03 +02:00
|
|
|
lefty= add_left_prediction(p->data[0] + fake_ystride, s->temp[0], 4, lefty);
|
2002-11-14 21:20:04 +02:00
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
2002-12-04 12:04:03 +02:00
|
|
|
leftu= add_left_prediction(p->data[1] + fake_ustride, s->temp[1], 2, leftu);
|
|
|
|
leftv= add_left_prediction(p->data[2] + fake_vstride, s->temp[2], 2, leftv);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* next line except the first 4 pixels is median predicted */
|
2002-12-04 12:04:03 +02:00
|
|
|
lefttopy= p->data[0][3];
|
2002-11-14 21:20:04 +02:00
|
|
|
decode_422_bitstream(s, width-4);
|
2002-12-04 12:04:03 +02:00
|
|
|
add_median_prediction(p->data[0] + fake_ystride+4, p->data[0]+4, s->temp[0], width-4, &lefty, &lefttopy);
|
2002-11-14 21:20:04 +02:00
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
2002-12-04 12:04:03 +02:00
|
|
|
lefttopu= p->data[1][1];
|
|
|
|
lefttopv= p->data[2][1];
|
|
|
|
add_median_prediction(p->data[1] + fake_ustride+2, p->data[1]+2, s->temp[1], width2-2, &leftu, &lefttopu);
|
|
|
|
add_median_prediction(p->data[2] + fake_vstride+2, p->data[2]+2, s->temp[2], width2-2, &leftv, &lefttopv);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2002-11-15 00:25:20 +02:00
|
|
|
y++; cy++;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
for(; y<height; y++,cy++){
|
2002-11-14 21:20:04 +02:00
|
|
|
uint8_t *ydst, *udst, *vdst;
|
2002-11-15 00:25:20 +02:00
|
|
|
|
|
|
|
if(s->bitstream_bpp==12){
|
|
|
|
while(2*cy > y){
|
|
|
|
decode_gray_bitstream(s, width);
|
2002-12-04 12:04:03 +02:00
|
|
|
ydst= p->data[0] + p->linesize[0]*y;
|
2002-11-15 00:25:20 +02:00
|
|
|
add_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
|
|
|
|
y++;
|
|
|
|
}
|
|
|
|
if(y>=height) break;
|
|
|
|
}
|
2002-11-15 13:05:14 +02:00
|
|
|
draw_slice(s, y);
|
2002-11-15 00:25:20 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
decode_422_bitstream(s, width);
|
2002-11-15 00:25:20 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
ydst= p->data[0] + p->linesize[0]*y;
|
|
|
|
udst= p->data[1] + p->linesize[1]*cy;
|
|
|
|
vdst= p->data[2] + p->linesize[2]*cy;
|
2002-11-14 21:20:04 +02:00
|
|
|
|
|
|
|
add_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
|
|
add_median_prediction(udst, udst - fake_ustride, s->temp[1], width2, &leftu, &lefttopu);
|
|
|
|
add_median_prediction(vdst, vdst - fake_vstride, s->temp[2], width2, &leftv, &lefttopv);
|
|
|
|
}
|
|
|
|
}
|
2002-11-15 13:05:14 +02:00
|
|
|
|
|
|
|
draw_slice(s, height);
|
2002-11-14 21:20:04 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}else{
|
|
|
|
int y;
|
|
|
|
int leftr, leftg, leftb;
|
2002-12-04 12:04:03 +02:00
|
|
|
const int last_line= (height-1)*p->linesize[0];
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
if(s->bitstream_bpp==32){
|
2004-08-17 13:41:15 +03:00
|
|
|
skip_bits(&s->gb, 8);
|
|
|
|
leftr= p->data[0][last_line+R]= get_bits(&s->gb, 8);
|
|
|
|
leftg= p->data[0][last_line+G]= get_bits(&s->gb, 8);
|
|
|
|
leftb= p->data[0][last_line+B]= get_bits(&s->gb, 8);
|
2002-11-14 21:20:04 +02:00
|
|
|
}else{
|
2004-08-17 13:41:15 +03:00
|
|
|
leftr= p->data[0][last_line+R]= get_bits(&s->gb, 8);
|
|
|
|
leftg= p->data[0][last_line+G]= get_bits(&s->gb, 8);
|
|
|
|
leftb= p->data[0][last_line+B]= get_bits(&s->gb, 8);
|
2002-11-14 21:20:04 +02:00
|
|
|
skip_bits(&s->gb, 8);
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
if(s->bgr32){
|
|
|
|
switch(s->predictor){
|
|
|
|
case LEFT:
|
|
|
|
case PLANE:
|
|
|
|
decode_bgr_bitstream(s, width-1);
|
2002-12-04 12:04:03 +02:00
|
|
|
add_left_prediction_bgr32(p->data[0] + last_line+4, s->temp[0], width-1, &leftr, &leftg, &leftb);
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2007-06-12 21:50:50 +03:00
|
|
|
for(y=s->height-2; y>=0; y--){ //Yes it is stored upside down.
|
2002-11-14 21:20:04 +02:00
|
|
|
decode_bgr_bitstream(s, width);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
add_left_prediction_bgr32(p->data[0] + p->linesize[0]*y, s->temp[0], width, &leftr, &leftg, &leftb);
|
2002-11-14 21:20:04 +02:00
|
|
|
if(s->predictor == PLANE){
|
2004-11-14 17:46:34 +02:00
|
|
|
if((y&s->interlaced)==0 && y<s->height-1-s->interlaced){
|
2005-12-17 20:14:38 +02:00
|
|
|
s->dsp.add_bytes(p->data[0] + p->linesize[0]*y,
|
2002-12-04 12:04:03 +02:00
|
|
|
p->data[0] + p->linesize[0]*y + fake_ystride, fake_ystride);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2005-04-24 20:21:11 +03:00
|
|
|
draw_slice(s, height); // just 1 large slice as this is not possible in reverse order
|
2002-11-14 21:20:04 +02:00
|
|
|
break;
|
|
|
|
default:
|
2003-11-03 15:26:22 +02:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "prediction type not supported!\n");
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
}else{
|
|
|
|
|
2005-04-24 20:21:11 +03:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "BGR24 output is not implemented yet\n");
|
2002-11-14 21:20:04 +02:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
emms_c();
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
*picture= *p;
|
2002-12-09 14:03:43 +02:00
|
|
|
*data_size = sizeof(AVFrame);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2006-03-30 17:13:03 +03:00
|
|
|
return (get_bits_count(&s->gb)+31)/32*4 + table_size;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2008-09-03 02:25:57 +03:00
|
|
|
#endif /* defined(CONFIG_HUFFYUV_DECODER) || defined(CONFIG_FFVHUFF_DECODER) */
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
static int common_end(HYuvContext *s){
|
|
|
|
int i;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
for(i=0; i<3; i++){
|
|
|
|
av_freep(&s->temp[i]);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-09-03 02:25:57 +03:00
|
|
|
#if defined(CONFIG_HUFFYUV_DECODER) || defined(CONFIG_FFVHUFF_DECODER)
|
2008-03-21 05:11:20 +02:00
|
|
|
static av_cold int decode_end(AVCodecContext *avctx)
|
2002-11-14 21:20:04 +02:00
|
|
|
{
|
|
|
|
HYuvContext *s = avctx->priv_data;
|
|
|
|
int i;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
common_end(s);
|
|
|
|
av_freep(&s->bitstream_buffer);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2007-07-05 23:46:48 +03:00
|
|
|
for(i=0; i<6; i++){
|
2002-11-14 21:20:04 +02:00
|
|
|
free_vlc(&s->vlc[i]);
|
|
|
|
}
|
2002-12-04 12:04:03 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
return 0;
|
|
|
|
}
|
2008-09-03 02:25:57 +03:00
|
|
|
#endif /* defined(CONFIG_HUFFYUV_DECODER) || defined(CONFIG_FFVHUFF_DECODER) */
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2008-09-03 15:33:21 +03:00
|
|
|
#if defined(CONFIG_HUFFYUV_ENCODER) || defined(CONFIG_FFVHUFF_ENCODER)
|
2002-11-14 21:20:04 +02:00
|
|
|
static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
|
|
|
|
HYuvContext *s = avctx->priv_data;
|
2002-12-09 14:03:43 +02:00
|
|
|
AVFrame *pict = data;
|
2002-11-14 21:20:04 +02:00
|
|
|
const int width= s->width;
|
|
|
|
const int width2= s->width>>1;
|
|
|
|
const int height= s->height;
|
|
|
|
const int fake_ystride= s->interlaced ? pict->linesize[0]*2 : pict->linesize[0];
|
|
|
|
const int fake_ustride= s->interlaced ? pict->linesize[1]*2 : pict->linesize[1];
|
|
|
|
const int fake_vstride= s->interlaced ? pict->linesize[2]*2 : pict->linesize[2];
|
2002-12-09 14:03:43 +02:00
|
|
|
AVFrame * const p= &s->picture;
|
2004-11-27 05:54:18 +02:00
|
|
|
int i, j, size=0;
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
*p = *pict;
|
2003-01-14 21:25:05 +02:00
|
|
|
p->pict_type= FF_I_TYPE;
|
|
|
|
p->key_frame= 1;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2004-11-27 05:54:18 +02:00
|
|
|
if(s->context){
|
|
|
|
for(i=0; i<3; i++){
|
|
|
|
generate_len_table(s->len[i], s->stats[i], 256);
|
|
|
|
if(generate_bits_table(s->bits[i], s->len[i])<0)
|
|
|
|
return -1;
|
|
|
|
size+= store_table(s, s->len[i], &buf[size]);
|
|
|
|
}
|
|
|
|
|
|
|
|
for(i=0; i<3; i++)
|
|
|
|
for(j=0; j<256; j++)
|
|
|
|
s->stats[i][j] >>= 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
init_put_bits(&s->pb, buf+size, buf_size-size);
|
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
if(avctx->pix_fmt == PIX_FMT_YUV422P || avctx->pix_fmt == PIX_FMT_YUV420P){
|
|
|
|
int lefty, leftu, leftv, y, cy;
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
put_bits(&s->pb, 8, leftv= p->data[2][0]);
|
|
|
|
put_bits(&s->pb, 8, lefty= p->data[0][1]);
|
|
|
|
put_bits(&s->pb, 8, leftu= p->data[1][0]);
|
|
|
|
put_bits(&s->pb, 8, p->data[0][0]);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
lefty= sub_left_prediction(s, s->temp[0], p->data[0]+2, width-2 , lefty);
|
|
|
|
leftu= sub_left_prediction(s, s->temp[1], p->data[1]+1, width2-1, leftu);
|
|
|
|
leftv= sub_left_prediction(s, s->temp[2], p->data[2]+1, width2-1, leftv);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
encode_422_bitstream(s, width-2);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
if(s->predictor==MEDIAN){
|
|
|
|
int lefttopy, lefttopu, lefttopv;
|
2002-11-15 00:25:20 +02:00
|
|
|
cy=y=1;
|
2002-11-14 21:20:04 +02:00
|
|
|
if(s->interlaced){
|
2002-12-04 12:04:03 +02:00
|
|
|
lefty= sub_left_prediction(s, s->temp[0], p->data[0]+p->linesize[0], width , lefty);
|
|
|
|
leftu= sub_left_prediction(s, s->temp[1], p->data[1]+p->linesize[1], width2, leftu);
|
|
|
|
leftv= sub_left_prediction(s, s->temp[2], p->data[2]+p->linesize[2], width2, leftv);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
encode_422_bitstream(s, width);
|
2002-11-15 00:25:20 +02:00
|
|
|
y++; cy++;
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
lefty= sub_left_prediction(s, s->temp[0], p->data[0]+fake_ystride, 4, lefty);
|
2004-08-27 01:46:15 +03:00
|
|
|
leftu= sub_left_prediction(s, s->temp[1], p->data[1]+fake_ustride, 2, leftu);
|
|
|
|
leftv= sub_left_prediction(s, s->temp[2], p->data[2]+fake_vstride, 2, leftv);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
encode_422_bitstream(s, 4);
|
2002-11-15 00:25:20 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
lefttopy= p->data[0][3];
|
|
|
|
lefttopu= p->data[1][1];
|
|
|
|
lefttopv= p->data[2][1];
|
2003-10-13 20:27:30 +03:00
|
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[0], p->data[0]+4, p->data[0] + fake_ystride+4, width-4 , &lefty, &lefttopy);
|
|
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[1], p->data[1]+2, p->data[1] + fake_ustride+2, width2-2, &leftu, &lefttopu);
|
|
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[2], p->data[2]+2, p->data[2] + fake_vstride+2, width2-2, &leftv, &lefttopv);
|
2002-11-14 21:20:04 +02:00
|
|
|
encode_422_bitstream(s, width-4);
|
2002-11-15 00:25:20 +02:00
|
|
|
y++; cy++;
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
for(; y<height; y++,cy++){
|
2002-11-14 21:20:04 +02:00
|
|
|
uint8_t *ydst, *udst, *vdst;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
if(s->bitstream_bpp==12){
|
|
|
|
while(2*cy > y){
|
2002-12-04 12:04:03 +02:00
|
|
|
ydst= p->data[0] + p->linesize[0]*y;
|
2003-10-13 20:27:30 +03:00
|
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy);
|
2002-11-15 00:25:20 +02:00
|
|
|
encode_gray_bitstream(s, width);
|
|
|
|
y++;
|
|
|
|
}
|
|
|
|
if(y>=height) break;
|
|
|
|
}
|
2002-12-04 12:04:03 +02:00
|
|
|
ydst= p->data[0] + p->linesize[0]*y;
|
|
|
|
udst= p->data[1] + p->linesize[1]*cy;
|
|
|
|
vdst= p->data[2] + p->linesize[2]*cy;
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2003-10-13 20:27:30 +03:00
|
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy);
|
|
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
|
|
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv);
|
2002-11-14 21:20:04 +02:00
|
|
|
|
|
|
|
encode_422_bitstream(s, width);
|
|
|
|
}
|
|
|
|
}else{
|
2002-11-15 00:25:20 +02:00
|
|
|
for(cy=y=1; y<height; y++,cy++){
|
2002-11-14 21:20:04 +02:00
|
|
|
uint8_t *ydst, *udst, *vdst;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
/* encode a luma only line & y++ */
|
|
|
|
if(s->bitstream_bpp==12){
|
2002-12-04 12:04:03 +02:00
|
|
|
ydst= p->data[0] + p->linesize[0]*y;
|
2002-11-15 00:25:20 +02:00
|
|
|
|
|
|
|
if(s->predictor == PLANE && s->interlaced < y){
|
2002-11-15 13:05:14 +02:00
|
|
|
s->dsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
|
2002-11-15 00:25:20 +02:00
|
|
|
|
2002-11-15 13:05:14 +02:00
|
|
|
lefty= sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
|
2002-11-15 00:25:20 +02:00
|
|
|
}else{
|
2002-11-15 13:05:14 +02:00
|
|
|
lefty= sub_left_prediction(s, s->temp[0], ydst, width , lefty);
|
2002-11-15 00:25:20 +02:00
|
|
|
}
|
|
|
|
encode_gray_bitstream(s, width);
|
|
|
|
y++;
|
|
|
|
if(y>=height) break;
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-12-04 12:04:03 +02:00
|
|
|
ydst= p->data[0] + p->linesize[0]*y;
|
|
|
|
udst= p->data[1] + p->linesize[1]*cy;
|
|
|
|
vdst= p->data[2] + p->linesize[2]*cy;
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2002-11-15 00:25:20 +02:00
|
|
|
if(s->predictor == PLANE && s->interlaced < cy){
|
2002-11-15 13:05:14 +02:00
|
|
|
s->dsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
|
|
|
|
s->dsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
|
2005-02-17 21:00:42 +02:00
|
|
|
s->dsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2002-11-15 13:05:14 +02:00
|
|
|
lefty= sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
|
|
|
|
leftu= sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
|
2005-02-17 21:00:42 +02:00
|
|
|
leftv= sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
|
2002-11-14 21:20:04 +02:00
|
|
|
}else{
|
2002-11-15 13:05:14 +02:00
|
|
|
lefty= sub_left_prediction(s, s->temp[0], ydst, width , lefty);
|
|
|
|
leftu= sub_left_prediction(s, s->temp[1], udst, width2, leftu);
|
|
|
|
leftv= sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
encode_422_bitstream(s, width);
|
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
}
|
2007-03-18 14:03:29 +02:00
|
|
|
}else if(avctx->pix_fmt == PIX_FMT_RGB32){
|
|
|
|
uint8_t *data = p->data[0] + (height-1)*p->linesize[0];
|
|
|
|
const int stride = -p->linesize[0];
|
|
|
|
const int fake_stride = -fake_ystride;
|
|
|
|
int y;
|
|
|
|
int leftr, leftg, leftb;
|
|
|
|
|
|
|
|
put_bits(&s->pb, 8, leftr= data[R]);
|
|
|
|
put_bits(&s->pb, 8, leftg= data[G]);
|
|
|
|
put_bits(&s->pb, 8, leftb= data[B]);
|
|
|
|
put_bits(&s->pb, 8, 0);
|
|
|
|
|
|
|
|
sub_left_prediction_bgr32(s, s->temp[0], data+4, width-1, &leftr, &leftg, &leftb);
|
|
|
|
encode_bgr_bitstream(s, width-1);
|
|
|
|
|
|
|
|
for(y=1; y<s->height; y++){
|
|
|
|
uint8_t *dst = data + y*stride;
|
|
|
|
if(s->predictor == PLANE && s->interlaced < y){
|
|
|
|
s->dsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width*4);
|
|
|
|
sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width, &leftr, &leftg, &leftb);
|
|
|
|
}else{
|
|
|
|
sub_left_prediction_bgr32(s, s->temp[0], dst, width, &leftr, &leftg, &leftb);
|
|
|
|
}
|
|
|
|
encode_bgr_bitstream(s, width);
|
|
|
|
}
|
2002-11-14 21:20:04 +02:00
|
|
|
}else{
|
2003-11-03 15:26:22 +02:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
|
|
|
emms_c();
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2004-11-27 05:54:18 +02:00
|
|
|
size+= (put_bits_count(&s->pb)+31)/8;
|
|
|
|
size/= 4;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
if((s->flags&CODEC_FLAG_PASS1) && (s->picture_number&31)==0){
|
|
|
|
int j;
|
|
|
|
char *p= avctx->stats_out;
|
2005-01-12 02:59:42 +02:00
|
|
|
char *end= p + 1024*30;
|
2002-11-14 21:20:04 +02:00
|
|
|
for(i=0; i<3; i++){
|
|
|
|
for(j=0; j<256; j++){
|
2005-12-12 03:56:46 +02:00
|
|
|
snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
|
2002-11-14 21:20:04 +02:00
|
|
|
p+= strlen(p);
|
|
|
|
s->stats[i][j]= 0;
|
|
|
|
}
|
2005-01-12 02:59:42 +02:00
|
|
|
snprintf(p, end-p, "\n");
|
2002-11-14 21:20:04 +02:00
|
|
|
p++;
|
|
|
|
}
|
2007-05-18 11:56:46 +03:00
|
|
|
} else
|
|
|
|
avctx->stats_out[0] = '\0';
|
2005-02-06 12:36:07 +02:00
|
|
|
if(!(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)){
|
2002-11-15 00:25:20 +02:00
|
|
|
flush_put_bits(&s->pb);
|
2003-05-19 16:30:59 +03:00
|
|
|
s->dsp.bswap_buf((uint32_t*)buf, (uint32_t*)buf, size);
|
2002-11-14 21:20:04 +02:00
|
|
|
}
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
s->picture_number++;
|
2002-12-04 12:04:03 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
return size*4;
|
|
|
|
}
|
|
|
|
|
2008-03-21 05:11:20 +02:00
|
|
|
static av_cold int encode_end(AVCodecContext *avctx)
|
2002-11-14 21:20:04 +02:00
|
|
|
{
|
2005-01-12 02:16:25 +02:00
|
|
|
HYuvContext *s = avctx->priv_data;
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2005-01-12 02:16:25 +02:00
|
|
|
common_end(s);
|
2002-11-14 21:20:04 +02:00
|
|
|
|
|
|
|
av_freep(&avctx->extradata);
|
|
|
|
av_freep(&avctx->stats_out);
|
2005-12-17 20:14:38 +02:00
|
|
|
|
2002-11-14 21:20:04 +02:00
|
|
|
return 0;
|
|
|
|
}
|
2008-09-03 15:33:21 +03:00
|
|
|
#endif /* defined(CONFIG_HUFFYUV_ENCODER) || defined(CONFIG_FFVHUFF_ENCODER) */
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2008-09-03 02:25:57 +03:00
|
|
|
#ifdef CONFIG_HUFFYUV_DECODER
|
2002-11-14 21:20:04 +02:00
|
|
|
AVCodec huffyuv_decoder = {
|
|
|
|
"huffyuv",
|
|
|
|
CODEC_TYPE_VIDEO,
|
|
|
|
CODEC_ID_HUFFYUV,
|
|
|
|
sizeof(HYuvContext),
|
|
|
|
decode_init,
|
|
|
|
NULL,
|
|
|
|
decode_end,
|
|
|
|
decode_frame,
|
2002-11-15 13:05:14 +02:00
|
|
|
CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND,
|
2008-04-30 00:31:21 +03:00
|
|
|
NULL,
|
2008-06-13 00:50:13 +03:00
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
|
2002-11-14 21:20:04 +02:00
|
|
|
};
|
2008-09-03 02:25:57 +03:00
|
|
|
#endif
|
2002-11-14 21:20:04 +02:00
|
|
|
|
2008-09-03 02:25:57 +03:00
|
|
|
#ifdef CONFIG_FFVHUFF_DECODER
|
2004-11-28 20:29:38 +02:00
|
|
|
AVCodec ffvhuff_decoder = {
|
|
|
|
"ffvhuff",
|
|
|
|
CODEC_TYPE_VIDEO,
|
|
|
|
CODEC_ID_FFVHUFF,
|
|
|
|
sizeof(HYuvContext),
|
|
|
|
decode_init,
|
|
|
|
NULL,
|
|
|
|
decode_end,
|
|
|
|
decode_frame,
|
|
|
|
CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND,
|
2008-04-30 00:31:21 +03:00
|
|
|
NULL,
|
2008-06-13 00:50:13 +03:00
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
|
2004-11-28 20:29:38 +02:00
|
|
|
};
|
2006-09-27 22:54:07 +03:00
|
|
|
#endif
|
2004-11-28 20:29:38 +02:00
|
|
|
|
2008-09-03 15:33:21 +03:00
|
|
|
#ifdef CONFIG_HUFFYUV_ENCODER
|
2002-11-14 21:20:04 +02:00
|
|
|
AVCodec huffyuv_encoder = {
|
|
|
|
"huffyuv",
|
|
|
|
CODEC_TYPE_VIDEO,
|
|
|
|
CODEC_ID_HUFFYUV,
|
|
|
|
sizeof(HYuvContext),
|
|
|
|
encode_init,
|
|
|
|
encode_frame,
|
|
|
|
encode_end,
|
2008-05-12 01:28:43 +03:00
|
|
|
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_RGB32, PIX_FMT_NONE},
|
2008-06-13 00:50:13 +03:00
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
|
2002-11-14 21:20:04 +02:00
|
|
|
};
|
2008-09-03 15:33:21 +03:00
|
|
|
#endif
|
2003-05-08 02:32:45 +03:00
|
|
|
|
2008-09-03 15:33:21 +03:00
|
|
|
#ifdef CONFIG_FFVHUFF_ENCODER
|
2004-11-28 20:29:38 +02:00
|
|
|
AVCodec ffvhuff_encoder = {
|
|
|
|
"ffvhuff",
|
|
|
|
CODEC_TYPE_VIDEO,
|
|
|
|
CODEC_ID_FFVHUFF,
|
|
|
|
sizeof(HYuvContext),
|
|
|
|
encode_init,
|
|
|
|
encode_frame,
|
|
|
|
encode_end,
|
2008-05-12 01:28:43 +03:00
|
|
|
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_RGB32, PIX_FMT_NONE},
|
2008-06-13 00:50:13 +03:00
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
|
2004-11-28 20:29:38 +02:00
|
|
|
};
|
2008-09-03 15:33:21 +03:00
|
|
|
#endif
|