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ffmpeg.wasm-core
Commit e0f7a9f6 authored by Luca Barbato's avatar Luca Barbato
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huffyuv: update to current coding style

parent f76e4787
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Showing with 576 additions and 521 deletions
libavcodec/huffyuv.c
View file @ e0f7a9f6
......@@ -48,13 +48,13 @@
#define A 3
#endif
typedef enum Predictor{
typedef enum Predictor {
LEFT= 0,
PLANE,
MEDIAN,
} Predictor;
typedef struct HYuvContext{
typedef struct HYuvContext {
AVCodecContext *avctx;
Predictor predictor;
GetBitContext gb;
......@@ -80,7 +80,7 @@ typedef struct HYuvContext{
uint8_t *bitstream_buffer;
unsigned int bitstream_buffer_size;
DSPContext dsp;
}HYuvContext;
} HYuvContext;
#define classic_shift_luma_table_size 42
static const unsigned char classic_shift_luma[classic_shift_luma_table_size + FF_INPUT_BUFFER_PADDING_SIZE] = {
......@@ -134,59 +134,67 @@ static const unsigned char classic_add_chroma[256] = {
6, 12, 8, 10, 7, 9, 6, 4, 6, 2, 2, 3, 3, 3, 3, 2,
};
static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst, uint8_t *src, int w, int left){
static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst,
uint8_t *src, int w, int left)
{
int i;
if(w<32){
for(i=0; i<w; i++){
const int temp= src[i];
dst[i]= temp - left;
left= temp;
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;
} 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);
s->dsp.diff_bytes(dst + 16, src + 16, src + 15, w - 16);
return src[w-1];
}
}
static inline void sub_left_prediction_bgr32(HYuvContext *s, uint8_t *dst, uint8_t *src, int w, int *red, int *green, int *blue){
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 = *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];
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];
}
static int read_len_table(uint8_t *dst, GetBitContext *gb){
static int read_len_table(uint8_t *dst, GetBitContext *gb)
{
int i, val, repeat;
for(i=0; i<256;){
repeat= get_bits(gb, 3);
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);
if(i+repeat > 256 || get_bits_left(gb) < 0) {
if (repeat == 0)
repeat = get_bits(gb, 8);
if (i + repeat > 256 || get_bits_left(gb) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error reading huffman table\n");
return -1;
}
......@@ -196,16 +204,17 @@ static int read_len_table(uint8_t *dst, GetBitContext *gb){
return 0;
}
static int generate_bits_table(uint32_t *dst, const uint8_t *len_table){
static int generate_bits_table(uint32_t *dst, const uint8_t *len_table)
{
int len, index;
uint32_t bits=0;
uint32_t bits = 0;
for(len=32; len>0; len--){
for(index=0; index<256; index++){
if(len_table[index]==len)
dst[index]= bits++;
for (len = 32; len > 0; len--) {
for (index = 0; index < 256; index++) {
if (len_table[index] == len)
dst[index] = bits++;
}
if(bits & 1){
if (bits & 1) {
av_log(NULL, AV_LOG_ERROR, "Error generating huffman table\n");
return -1;
}
......@@ -222,11 +231,11 @@ typedef struct {
static void heap_sift(HeapElem *h, int root, int size)
{
while(root*2+1 < size) {
int child = root*2+1;
if(child < size-1 && h[child].val > h[child+1].val)
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) {
if (h[root].val > h[child].val) {
FFSWAP(HeapElem, h[root], h[child]);
root = child;
} else
......@@ -234,22 +243,23 @@ static void heap_sift(HeapElem *h, int root, int size)
}
}
static void generate_len_table(uint8_t *dst, const uint64_t *stats){
static void generate_len_table(uint8_t *dst, const uint64_t *stats)
{
HeapElem h[256];
int up[2*256];
int len[2*256];
int offset, i, next;
int size = 256;
for(offset=1; ; offset<<=1){
for(i=0; i<size; i++){
for (offset = 1; ; offset <<= 1) {
for (i = 0; i < size; i++) {
h[i].name = i;
h[i].val = (stats[i] << 8) + offset;
}
for(i=size/2-1; i>=0; i--)
for (i = size / 2 - 1; i >= 0; i--)
heap_sift(h, i, size);
for(next=size; next<size*2-1; next++){
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;
......@@ -261,74 +271,76 @@ static void generate_len_table(uint8_t *dst, const uint64_t *stats){
heap_sift(h, 0, size);
}
len[2*size-2] = 0;
for(i=2*size-3; i>=size; i--)
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++) {
for (i = 0; i < size; i++) {
dst[i] = len[up[i]] + 1;
if(dst[i] >= 32) break;
if (dst[i] >= 32) break;
}
if(i==size) break;
if (i==size) break;
}
}
#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */
static void generate_joint_tables(HYuvContext *s){
uint16_t symbols[1<<VLC_BITS];
uint16_t bits[1<<VLC_BITS];
uint8_t len[1<<VLC_BITS];
if(s->bitstream_bpp < 24){
static void generate_joint_tables(HYuvContext *s)
{
uint16_t symbols[1 << VLC_BITS];
uint16_t bits[1 << VLC_BITS];
uint8_t len[1 << VLC_BITS];
if (s->bitstream_bpp < 24) {
int p, i, y, u;
for(p=0; p<3; p++){
for(i=y=0; y<256; y++){
for (p = 0; p < 3; p++) {
for (i = y = 0; y < 256; y++) {
int len0 = s->len[0][y];
int limit = VLC_BITS - len0;
if(limit <= 0)
continue;
for(u=0; u<256; u++){
for (u = 0; u < 256; u++) {
int len1 = s->len[p][u];
if(len1 > limit)
if (len1 > limit)
continue;
len[i] = len0 + len1;
bits[i] = (s->bits[0][y] << len1) + s->bits[p][u];
symbols[i] = (y<<8) + u;
symbols[i] = (y << 8) + u;
if(symbols[i] != 0xffff) // reserved to mean "invalid"
i++;
}
}
ff_free_vlc(&s->vlc[3+p]);
ff_init_vlc_sparse(&s->vlc[3+p], VLC_BITS, i, len, 1, 1, bits, 2, 2, symbols, 2, 2, 0);
ff_free_vlc(&s->vlc[3 + p]);
ff_init_vlc_sparse(&s->vlc[3 + p], VLC_BITS, i, len, 1, 1,
bits, 2, 2, symbols, 2, 2, 0);
}
}else{
} 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
// restrict the range to +/-16 because 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];
for (i = 0, g = -16; g < 16; g++) {
int len0 = s->len[p0][g & 255];
int limit0 = VLC_BITS - len0;
if(limit0 < 2)
if (limit0 < 2)
continue;
for(b=-16; b<16; b++){
int len1 = s->len[p1][b&255];
for (b = -16; b < 16; b++) {
int len1 = s->len[p1][b & 255];
int limit1 = limit0 - len1;
if(limit1 < 1)
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)
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){
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 + b;
map[i][R] = g + r;
} else {
map[i][B] = g;
map[i][G] = b;
map[i][R] = r;
......@@ -342,52 +354,59 @@ static void generate_joint_tables(HYuvContext *s){
}
}
static int read_huffman_tables(HYuvContext *s, const uint8_t *src, int length){
static int read_huffman_tables(HYuvContext *s, const uint8_t *src, int length)
{
GetBitContext gb;
int i;
init_get_bits(&gb, src, length*8);
init_get_bits(&gb, src, length * 8);
for(i=0; i<3; i++){
if(read_len_table(s->len[i], &gb)<0)
for (i = 0; i < 3; i++) {
if (read_len_table(s->len[i], &gb) < 0)
return -1;
if(generate_bits_table(s->bits[i], s->len[i])<0){
if (generate_bits_table(s->bits[i], s->len[i]) < 0) {
return -1;
}
ff_free_vlc(&s->vlc[i]);
init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0);
init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1,
s->bits[i], 4, 4, 0);
}
generate_joint_tables(s);
return (get_bits_count(&gb)+7)/8;
return (get_bits_count(&gb) + 7) / 8;
}
static int read_old_huffman_tables(HYuvContext *s){
static int read_old_huffman_tables(HYuvContext *s)
{
#if 1
GetBitContext gb;
int i;
init_get_bits(&gb, classic_shift_luma, classic_shift_luma_table_size*8);
if(read_len_table(s->len[0], &gb)<0)
init_get_bits(&gb, classic_shift_luma,
classic_shift_luma_table_size * 8);
if (read_len_table(s->len[0], &gb) < 0)
return -1;
init_get_bits(&gb, classic_shift_chroma, classic_shift_chroma_table_size*8);
if(read_len_table(s->len[1], &gb)<0)
init_get_bits(&gb, classic_shift_chroma,
classic_shift_chroma_table_size * 8);
if (read_len_table(s->len[1], &gb) < 0)
return -1;
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));
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));
memcpy(s->bits[2], s->bits[1], 256 * sizeof(uint32_t));
memcpy(s->len[2] , s->len [1], 256 * sizeof(uint8_t));
for(i=0; i<3; i++){
for (i = 0; i < 3; i++) {
ff_free_vlc(&s->vlc[i]);
init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0);
init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1,
s->bits[i], 4, 4, 0);
}
generate_joint_tables(s);
......@@ -399,28 +418,30 @@ static int read_old_huffman_tables(HYuvContext *s){
#endif
}
static av_cold void alloc_temp(HYuvContext *s){
static av_cold void alloc_temp(HYuvContext *s)
{
int i;
if(s->bitstream_bpp<24){
for(i=0; i<3; i++){
if (s->bitstream_bpp<24) {
for (i=0; i<3; i++) {
s->temp[i]= av_malloc(s->width + 16);
}
}else{
} else {
s->temp[0]= av_mallocz(4*s->width + 16);
}
}
static av_cold int common_init(AVCodecContext *avctx){
static av_cold int common_init(AVCodecContext *avctx)
{
HYuvContext *s = avctx->priv_data;
s->avctx= avctx;
s->flags= avctx->flags;
s->avctx = avctx;
s->flags = avctx->flags;
ff_dsputil_init(&s->dsp, avctx);
s->width= avctx->width;
s->height= avctx->height;
s->width = avctx->width;
s->height = avctx->height;
assert(s->width>0 && s->height>0);
return 0;
......@@ -432,86 +453,87 @@ static av_cold int decode_init(AVCodecContext *avctx)
HYuvContext *s = avctx->priv_data;
common_init(avctx);
memset(s->vlc, 0, 3*sizeof(VLC));
memset(s->vlc, 0, 3 * sizeof(VLC));
avctx->coded_frame= &s->picture;
s->interlaced= s->height > 288;
s->bgr32=1;
//if(avctx->extradata)
// printf("extradata:%X, extradata_size:%d\n", *(uint32_t*)avctx->extradata, avctx->extradata_size);
if(avctx->extradata_size){
if((avctx->bits_per_coded_sample&7) && avctx->bits_per_coded_sample != 12)
s->version=1; // do such files exist at all?
avctx->coded_frame = &s->picture;
s->interlaced = s->height > 288;
s->bgr32 = 1;
if (avctx->extradata_size) {
if ((avctx->bits_per_coded_sample & 7) &&
avctx->bits_per_coded_sample != 12)
s->version = 1; // do such files exist at all?
else
s->version=2;
}else
s->version=0;
s->version = 2;
} else
s->version = 0;
if(s->version==2){
if (s->version == 2) {
int method, interlace;
if (avctx->extradata_size < 4)
return -1;
method= ((uint8_t*)avctx->extradata)[0];
s->decorrelate= method&64 ? 1 : 0;
s->predictor= method&63;
s->bitstream_bpp= ((uint8_t*)avctx->extradata)[1];
if(s->bitstream_bpp==0)
s->bitstream_bpp= avctx->bits_per_coded_sample&~7;
interlace= (((uint8_t*)avctx->extradata)[2] & 0x30) >> 4;
s->interlaced= (interlace==1) ? 1 : (interlace==2) ? 0 : s->interlaced;
s->context= ((uint8_t*)avctx->extradata)[2] & 0x40 ? 1 : 0;
if(read_huffman_tables(s, ((uint8_t*)avctx->extradata)+4, avctx->extradata_size-4) < 0)
method = ((uint8_t*)avctx->extradata)[0];
s->decorrelate = method & 64 ? 1 : 0;
s->predictor = method & 63;
s->bitstream_bpp = ((uint8_t*)avctx->extradata)[1];
if (s->bitstream_bpp == 0)
s->bitstream_bpp = avctx->bits_per_coded_sample & ~7;
interlace = (((uint8_t*)avctx->extradata)[2] & 0x30) >> 4;
s->interlaced = (interlace == 1) ? 1 : (interlace == 2) ? 0 : s->interlaced;
s->context = ((uint8_t*)avctx->extradata)[2] & 0x40 ? 1 : 0;
if ( read_huffman_tables(s, ((uint8_t*)avctx->extradata) + 4,
avctx->extradata_size - 4) < 0)
return -1;
}else{
switch(avctx->bits_per_coded_sample&7){
switch (avctx->bits_per_coded_sample & 7) {
case 1:
s->predictor= LEFT;
s->decorrelate= 0;
s->predictor = LEFT;
s->decorrelate = 0;
break;
case 2:
s->predictor= LEFT;
s->decorrelate= 1;
s->predictor = LEFT;
s->decorrelate = 1;
break;
case 3:
s->predictor= PLANE;
s->decorrelate= avctx->bits_per_coded_sample >= 24;
s->predictor = PLANE;
s->decorrelate = avctx->bits_per_coded_sample >= 24;
break;
case 4:
s->predictor= MEDIAN;
s->decorrelate= 0;
s->predictor = MEDIAN;
s->decorrelate = 0;
break;
default:
s->predictor= LEFT; //OLD
s->decorrelate= 0;
s->predictor = LEFT; //OLD
s->decorrelate = 0;
break;
}
s->bitstream_bpp= avctx->bits_per_coded_sample & ~7;
s->context= 0;
s->bitstream_bpp = avctx->bits_per_coded_sample & ~7;
s->context = 0;
if(read_old_huffman_tables(s) < 0)
if (read_old_huffman_tables(s) < 0)
return -1;
}
switch(s->bitstream_bpp){
switch (s->bitstream_bpp) {
case 12:
avctx->pix_fmt = PIX_FMT_YUV420P;
break;
case 16:
if(s->yuy2){
if (s->yuy2) {
avctx->pix_fmt = PIX_FMT_YUYV422;
}else{
} else {
avctx->pix_fmt = PIX_FMT_YUV422P;
}
break;
case 24:
case 32:
if(s->bgr32){
if (s->bgr32) {
avctx->pix_fmt = PIX_FMT_RGB32;
}else{
} else {
avctx->pix_fmt = PIX_FMT_BGR24;
}
break;
......@@ -521,8 +543,6 @@ s->bgr32=1;
alloc_temp(s);
// 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);
return 0;
}
......@@ -537,11 +557,12 @@ static av_cold int decode_init_thread_copy(AVCodecContext *avctx)
for (i = 0; i < 6; i++)
s->vlc[i].table = NULL;
if(s->version==2){
if(read_huffman_tables(s, ((uint8_t*)avctx->extradata)+4, avctx->extradata_size) < 0)
if (s->version == 2) {
if (read_huffman_tables(s, ((uint8_t*)avctx->extradata) + 4,
avctx->extradata_size) < 0)
return -1;
}else{
if(read_old_huffman_tables(s) < 0)
} else {
if (read_old_huffman_tables(s) < 0)
return -1;
}
......@@ -550,23 +571,24 @@ static av_cold int decode_init_thread_copy(AVCodecContext *avctx)
#endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */
#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER
static int store_table(HYuvContext *s, const uint8_t *len, uint8_t *buf){
static int store_table(HYuvContext *s, const uint8_t *len, uint8_t *buf)
{
int i;
int index= 0;
int index = 0;
for(i=0; i<256;){
int val= len[i];
int repeat=0;
for (i = 0; i < 256;) {
int val = len[i];
int repeat = 0;
for(; i<256 && len[i]==val && repeat<255; i++)
for (; i < 256 && len[i] == val && repeat < 255; i++)
repeat++;
assert(val < 32 && val >0 && repeat<256 && repeat>0);
if(repeat>7){
buf[index++]= val;
buf[index++]= repeat;
}else{
buf[index++]= val | (repeat<<5);
if ( repeat > 7) {
buf[index++] = val;
buf[index++] = repeat;
} else {
buf[index++] = val | (repeat << 5);
}
}
......@@ -580,119 +602,125 @@ static av_cold int encode_init(AVCodecContext *avctx)
common_init(avctx);
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
s->version=2;
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
s->version = 2;
avctx->coded_frame= &s->picture;
avctx->coded_frame = &s->picture;
switch(avctx->pix_fmt){
switch (avctx->pix_fmt) {
case PIX_FMT_YUV420P:
s->bitstream_bpp= 12;
s->bitstream_bpp = 12;
break;
case PIX_FMT_YUV422P:
s->bitstream_bpp= 16;
s->bitstream_bpp = 16;
break;
case PIX_FMT_RGB32:
s->bitstream_bpp= 24;
s->bitstream_bpp = 24;
break;
default:
av_log(avctx, AV_LOG_ERROR, "format not supported\n");
return -1;
}
avctx->bits_per_coded_sample= s->bitstream_bpp;
s->decorrelate= s->bitstream_bpp >= 24;
s->predictor= avctx->prediction_method;
s->interlaced= avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0;
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");
avctx->bits_per_coded_sample = s->bitstream_bpp;
s->decorrelate = s->bitstream_bpp >= 24;
s->predictor = avctx->prediction_method;
s->interlaced = avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0;
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;
if(avctx->codec->id==AV_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");
if (avctx->codec->id == AV_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");
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;
}
if(s->interlaced != ( s->height > 288 ))
av_log(avctx, AV_LOG_INFO, "using huffyuv 2.2.0 or newer interlacing flag\n");
if (s->interlaced != ( s->height > 288 ))
av_log(avctx, AV_LOG_INFO,
"using huffyuv 2.2.0 or newer interlacing flag\n");
}
if(s->bitstream_bpp>=24 && s->predictor==MEDIAN){
av_log(avctx, AV_LOG_ERROR, "Error: RGB is incompatible with median predictor\n");
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);
((uint8_t*)avctx->extradata)[1]= s->bitstream_bpp;
((uint8_t*)avctx->extradata)[2]= s->interlaced ? 0x10 : 0x20;
if(s->context)
((uint8_t*)avctx->extradata)[2]|= 0x40;
((uint8_t*)avctx->extradata)[3]= 0;
s->avctx->extradata_size= 4;
((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
((uint8_t*)avctx->extradata)[1] = s->bitstream_bpp;
((uint8_t*)avctx->extradata)[2] = s->interlaced ? 0x10 : 0x20;
if (s->context)
((uint8_t*)avctx->extradata)[2] |= 0x40;
((uint8_t*)avctx->extradata)[3] = 0;
s->avctx->extradata_size = 4;
if(avctx->stats_in){
char *p= avctx->stats_in;
if (avctx->stats_in) {
char *p = avctx->stats_in;
for(i=0; i<3; i++)
for(j=0; j<256; j++)
s->stats[i][j]= 1;
for (i = 0; i < 3; i++)
for (j = 0; j < 256; j++)
s->stats[i][j] = 1;
for(;;){
for(i=0; i<3; i++){
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;
for (j = 0; j < 256; j++) {
s->stats[i][j] += strtol(p, &next, 0);
if (next == p) return -1;
p = next;
}
}
if(p[0]==0 || p[1]==0 || p[2]==0) break;
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);
} else {
for (i = 0; i < 3; i++)
for (j = 0; j < 256; j++) {
int d = FFMIN(j, 256 - j);
s->stats[i][j]= 100000000/(d+1);
s->stats[i][j] = 100000000 / (d + 1);
}
}
for(i=0; i<3; i++){
for (i = 0; i < 3; i++) {
generate_len_table(s->len[i], s->stats[i]);
if(generate_bits_table(s->bits[i], s->len[i])<0){
if (generate_bits_table(s->bits[i], s->len[i]) < 0) {
return -1;
}
s->avctx->extradata_size+=
s->avctx->extradata_size +=
store_table(s, s->len[i], &((uint8_t*)s->avctx->extradata)[s->avctx->extradata_size]);
}
if(s->context){
for(i=0; i<3; i++){
int pels = s->width*s->height / (i?40:10);
for(j=0; j<256; j++){
int d= FFMIN(j, 256-j);
s->stats[i][j]= pels/(d+1);
if (s->context) {
for (i = 0; i < 3; i++) {
int pels = s->width * s->height / (i ? 40 : 10);
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++)
} else {
for (i = 0; i < 3; i++)
for (j = 0; j < 256; j++)
s->stats[i][j]= 0;
}
// printf("pred:%d bpp:%d hbpp:%d il:%d\n", s->predictor, s->bitstream_bpp, avctx->bits_per_coded_sample, s->interlaced);
alloc_temp(s);
s->picture_number=0;
......@@ -714,61 +742,65 @@ static av_cold int encode_init(AVCodecContext *avctx)
}\
}
static void decode_422_bitstream(HYuvContext *s, int count){
static void decode_422_bitstream(HYuvContext *s, int count)
{
int i;
count/=2;
count /= 2;
if(count >= (get_bits_left(&s->gb))/(31*4)){
if (count >= (get_bits_left(&s->gb)) / (31 * 4)) {
for (i = 0; i < count && get_bits_left(&s->gb) > 0; i++) {
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);
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);
}
}else{
for(i=0; i<count; i++){
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);
} else {
for (i = 0; i < count; i++) {
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);
}
}
}
static void decode_gray_bitstream(HYuvContext *s, int count){
static void decode_gray_bitstream(HYuvContext *s, int count)
{
int i;
count/=2;
if(count >= (get_bits_left(&s->gb))/(31*2)){
if (count >= (get_bits_left(&s->gb)) / (31 * 2)) {
for (i = 0; i < count && get_bits_left(&s->gb) > 0; i++) {
READ_2PIX(s->temp[0][2*i ], s->temp[0][2*i+1], 0);
READ_2PIX(s->temp[0][2 * i], s->temp[0][2 * i + 1], 0);
}
}else{
} else {
for(i=0; i<count; i++){
READ_2PIX(s->temp[0][2*i ], s->temp[0][2*i+1], 0);
READ_2PIX(s->temp[0][2 * i], s->temp[0][2 * i + 1], 0);
}
}
}
#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER
static int encode_422_bitstream(HYuvContext *s, int offset, int count){
static int encode_422_bitstream(HYuvContext *s, int offset, int count)
{
int i;
const uint8_t *y = s->temp[0] + offset;
const uint8_t *u = s->temp[1] + offset/2;
const uint8_t *v = s->temp[2] + offset/2;
const uint8_t *u = s->temp[1] + offset / 2;
const uint8_t *v = s->temp[2] + offset / 2;
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < 2*4*count){
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;
}
#define LOAD4\
int y0 = y[2*i];\
int y1 = y[2*i+1];\
int y0 = y[2 * i];\
int y1 = y[2 * i + 1];\
int u0 = u[i];\
int v0 = v[i];
count/=2;
if(s->flags&CODEC_FLAG_PASS1){
for(i=0; i<count; i++){
count /= 2;
if (s->flags & CODEC_FLAG_PASS1) {
for(i = 0; i < count; i++) {
LOAD4;
s->stats[0][y0]++;
s->stats[1][u0]++;
......@@ -776,10 +808,10 @@ static int encode_422_bitstream(HYuvContext *s, int offset, int count){
s->stats[2][v0]++;
}
}
if(s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT)
if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
return 0;
if(s->context){
for(i=0; i<count; i++){
if (s->context) {
for (i = 0; i < count; i++) {
LOAD4;
s->stats[0][y0]++;
put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
......@@ -790,8 +822,8 @@ static int encode_422_bitstream(HYuvContext *s, int offset, int count){
s->stats[2][v0]++;
put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
}
}else{
for(i=0; i<count; i++){
} else {
for(i = 0; i < count; i++) {
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]);
......@@ -802,17 +834,18 @@ static int encode_422_bitstream(HYuvContext *s, int offset, int count){
return 0;
}
static int encode_gray_bitstream(HYuvContext *s, int count){
static int encode_gray_bitstream(HYuvContext *s, int count)
{
int i;
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < 4*count){
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;
}
#define LOAD2\
int y0 = s->temp[0][2*i];\
int y1 = s->temp[0][2*i+1];
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]++;
......@@ -820,24 +853,25 @@ static int encode_gray_bitstream(HYuvContext *s, int count){
put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
count/=2;
if(s->flags&CODEC_FLAG_PASS1){
for(i=0; i<count; i++){
count /= 2;
if (s->flags & CODEC_FLAG_PASS1) {
for (i = 0; i < count; i++) {
LOAD2;
STAT2;
}
}
if(s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT)
if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
return 0;
if(s->context){
for(i=0; i<count; i++){
if (s->context) {
for (i = 0; i < count; i++) {
LOAD2;
STAT2;
WRITE2;
}
}else{
for(i=0; i<count; i++){
} else {
for (i = 0; i < count; i++) {
LOAD2;
WRITE2;
}
......@@ -846,52 +880,58 @@ static int encode_gray_bitstream(HYuvContext *s, int count){
}
#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */
static av_always_inline void decode_bgr_1(HYuvContext *s, int count, int decorrelate, int alpha){
static av_always_inline void decode_bgr_1(HYuvContext *s, int count,
int decorrelate, int alpha)
{
int i;
for(i=0; i<count; i++){
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];
}else{
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);
}
if(alpha)
s->temp[0][4*i+A] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3);
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];
} else {
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);
}
if (alpha)
s->temp[0][4 * i + A] = 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)
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);
}else{
if(s->bitstream_bpp==24)
} else {
if (s->bitstream_bpp==24)
decode_bgr_1(s, count, 0, 0);
else
decode_bgr_1(s, count, 0, 1);
}
}
static int encode_bgr_bitstream(HYuvContext *s, int count){
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){
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;
}
#define LOAD3\
int g= s->temp[0][4*i+G];\
int b= (s->temp[0][4*i+B] - g) & 0xff;\
int r= (s->temp[0][4*i+R] - g) & 0xff;
int g = s->temp[0][4 * i + G];\
int b = (s->temp[0][4 * i + B] - g) & 0xff;\
int r = (s->temp[0][4 * i + R] - g) & 0xff;
#define STAT3\
s->stats[0][b]++;\
s->stats[1][g]++;\
......@@ -901,19 +941,20 @@ static int encode_bgr_bitstream(HYuvContext *s, int count){
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++){
if ((s->flags & CODEC_FLAG_PASS1) &&
(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
for (i = 0; i < count; i++) {
LOAD3;
STAT3;
}
}else if(s->context || (s->flags&CODEC_FLAG_PASS1)){
for(i=0; i<count; i++){
} else if (s->context || (s->flags & CODEC_FLAG_PASS1)) {
for (i = 0; i < count; i++) {
LOAD3;
STAT3;
WRITE3;
}
}else{
for(i=0; i<count; i++){
} else {
for (i = 0; i < count; i++) {
LOAD3;
WRITE3;
}
......@@ -922,20 +963,21 @@ static int encode_bgr_bitstream(HYuvContext *s, int count){
}
#if CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER
static void draw_slice(HYuvContext *s, int y){
static void draw_slice(HYuvContext *s, int y)
{
int h, cy, i;
int offset[AV_NUM_DATA_POINTERS];
if(s->avctx->draw_horiz_band==NULL)
if (s->avctx->draw_horiz_band==NULL)
return;
h= y - s->last_slice_end;
h = y - s->last_slice_end;
y -= h;
if(s->bitstream_bpp==12){
cy= y>>1;
}else{
cy= y;
if (s->bitstream_bpp == 12) {
cy = y>>1;
} else {
cy = y;
}
offset[0] = s->picture.linesize[0]*y;
......@@ -947,118 +989,125 @@ static void draw_slice(HYuvContext *s, int y){
s->avctx->draw_horiz_band(s->avctx, &s->picture, offset, y, 3, h);
s->last_slice_end= y + h;
s->last_slice_end = y + h;
}
static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt){
static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
HYuvContext *s = avctx->priv_data;
const int width= s->width;
const int width2= s->width>>1;
const int height= s->height;
const int width = s->width;
const int width2 = s->width>>1;
const int height = s->height;
int fake_ystride, fake_ustride, fake_vstride;
AVFrame * const p= &s->picture;
int table_size= 0;
AVFrame * const p = &s->picture;
int table_size = 0;
AVFrame *picture = data;
av_fast_malloc(&s->bitstream_buffer, &s->bitstream_buffer_size, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
av_fast_malloc(&s->bitstream_buffer,
&s->bitstream_buffer_size,
buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!s->bitstream_buffer)
return AVERROR(ENOMEM);
memset(s->bitstream_buffer + buf_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
s->dsp.bswap_buf((uint32_t*)s->bitstream_buffer, (const uint32_t*)buf, buf_size/4);
s->dsp.bswap_buf((uint32_t*)s->bitstream_buffer,
(const uint32_t*)buf, buf_size / 4);
if(p->data[0])
if (p->data[0])
ff_thread_release_buffer(avctx, p);
p->reference= 0;
if(ff_thread_get_buffer(avctx, p) < 0){
p->reference = 0;
if (ff_thread_get_buffer(avctx, p) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
if(s->context){
if (s->context) {
table_size = read_huffman_tables(s, s->bitstream_buffer, buf_size);
if(table_size < 0)
if (table_size < 0)
return -1;
}
if((unsigned)(buf_size-table_size) >= INT_MAX/8)
if ((unsigned)(buf_size-table_size) >= INT_MAX / 8)
return -1;
init_get_bits(&s->gb, s->bitstream_buffer+table_size, (buf_size-table_size)*8);
init_get_bits(&s->gb, s->bitstream_buffer+table_size,
(buf_size-table_size) * 8);
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];
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];
s->last_slice_end= 0;
s->last_slice_end = 0;
if(s->bitstream_bpp<24){
if (s->bitstream_bpp < 24) {
int y, cy;
int lefty, leftu, leftv;
int lefttopy, lefttopu, lefttopv;
if(s->yuy2){
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);
if (s->yuy2) {
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);
av_log(avctx, AV_LOG_ERROR, "YUY2 output is not implemented yet\n");
av_log(avctx, AV_LOG_ERROR,
"YUY2 output is not implemented yet\n");
return -1;
}else{
} else {
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);
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);
switch(s->predictor){
switch (s->predictor) {
case LEFT:
case PLANE:
decode_422_bitstream(s, width-2);
lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty);
if(!(s->flags&CODEC_FLAG_GRAY)){
leftu= s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2-1, leftu);
leftv= s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2-1, leftv);
lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty);
if (!(s->flags&CODEC_FLAG_GRAY)) {
leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
}
for(cy=y=1; y<s->height; y++,cy++){
for (cy = y = 1; y < s->height; y++, cy++) {
uint8_t *ydst, *udst, *vdst;
if(s->bitstream_bpp==12){
if (s->bitstream_bpp == 12) {
decode_gray_bitstream(s, width);
ydst= p->data[0] + p->linesize[0]*y;
ydst = p->data[0] + p->linesize[0] * y;
lefty= s->dsp.add_hfyu_left_prediction(ydst, s->temp[0], width, lefty);
if(s->predictor == PLANE){
if(y>s->interlaced)
lefty = s->dsp.add_hfyu_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;
if (y >= s->height) break;
}
draw_slice(s, y);
ydst= p->data[0] + p->linesize[0]*y;
udst= p->data[1] + p->linesize[1]*cy;
vdst= p->data[2] + p->linesize[2]*cy;
ydst = p->data[0] + p->linesize[0]*y;
udst = p->data[1] + p->linesize[1]*cy;
vdst = p->data[2] + p->linesize[2]*cy;
decode_422_bitstream(s, width);
lefty= s->dsp.add_hfyu_left_prediction(ydst, s->temp[0], width, lefty);
if(!(s->flags&CODEC_FLAG_GRAY)){
lefty = s->dsp.add_hfyu_left_prediction(ydst, s->temp[0], width, lefty);
if (!(s->flags & CODEC_FLAG_GRAY)) {
leftu= s->dsp.add_hfyu_left_prediction(udst, s->temp[1], width2, leftu);
leftv= s->dsp.add_hfyu_left_prediction(vdst, s->temp[2], width2, leftv);
}
if(s->predictor == PLANE){
if(cy>s->interlaced){
if (s->predictor == PLANE) {
if (cy > s->interlaced) {
s->dsp.add_bytes(ydst, ydst - fake_ystride, width);
if(!(s->flags&CODEC_FLAG_GRAY)){
if (!(s->flags & CODEC_FLAG_GRAY)) {
s->dsp.add_bytes(udst, udst - fake_ustride, width2);
s->dsp.add_bytes(vdst, vdst - fake_vstride, width2);
}
......@@ -1070,68 +1119,68 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
break;
case MEDIAN:
/* first line except first 2 pixels is left predicted */
decode_422_bitstream(s, width-2);
lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty);
if(!(s->flags&CODEC_FLAG_GRAY)){
leftu= s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2-1, leftu);
leftv= s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2-1, leftv);
decode_422_bitstream(s, width - 2);
lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width - 2, lefty);
if (!(s->flags & CODEC_FLAG_GRAY)) {
leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
}
cy=y=1;
cy = y = 1;
/* second line is left predicted for interlaced case */
if(s->interlaced){
if (s->interlaced) {
decode_422_bitstream(s, width);
lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + p->linesize[0], s->temp[0], width, lefty);
if(!(s->flags&CODEC_FLAG_GRAY)){
leftu= s->dsp.add_hfyu_left_prediction(p->data[1] + p->linesize[2], s->temp[1], width2, leftu);
leftv= s->dsp.add_hfyu_left_prediction(p->data[2] + p->linesize[1], s->temp[2], width2, leftv);
lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + p->linesize[0], s->temp[0], width, lefty);
if (!(s->flags & CODEC_FLAG_GRAY)) {
leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + p->linesize[2], s->temp[1], width2, leftu);
leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + p->linesize[1], s->temp[2], width2, leftv);
}
y++; cy++;
}
/* next 4 pixels are left predicted too */
decode_422_bitstream(s, 4);
lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + fake_ystride, s->temp[0], 4, lefty);
if(!(s->flags&CODEC_FLAG_GRAY)){
leftu= s->dsp.add_hfyu_left_prediction(p->data[1] + fake_ustride, s->temp[1], 2, leftu);
leftv= s->dsp.add_hfyu_left_prediction(p->data[2] + fake_vstride, s->temp[2], 2, leftv);
lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + fake_ystride, s->temp[0], 4, lefty);
if (!(s->flags&CODEC_FLAG_GRAY)) {
leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + fake_ustride, s->temp[1], 2, leftu);
leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + fake_vstride, s->temp[2], 2, leftv);
}
/* next line except the first 4 pixels is median predicted */
lefttopy= p->data[0][3];
decode_422_bitstream(s, width-4);
lefttopy = p->data[0][3];
decode_422_bitstream(s, width - 4);
s->dsp.add_hfyu_median_prediction(p->data[0] + fake_ystride+4, p->data[0]+4, s->temp[0], width-4, &lefty, &lefttopy);
if(!(s->flags&CODEC_FLAG_GRAY)){
lefttopu= p->data[1][1];
lefttopv= p->data[2][1];
s->dsp.add_hfyu_median_prediction(p->data[1] + fake_ustride+2, p->data[1]+2, s->temp[1], width2-2, &leftu, &lefttopu);
s->dsp.add_hfyu_median_prediction(p->data[2] + fake_vstride+2, p->data[2]+2, s->temp[2], width2-2, &leftv, &lefttopv);
if (!(s->flags&CODEC_FLAG_GRAY)) {
lefttopu = p->data[1][1];
lefttopv = p->data[2][1];
s->dsp.add_hfyu_median_prediction(p->data[1] + fake_ustride+2, p->data[1] + 2, s->temp[1], width2 - 2, &leftu, &lefttopu);
s->dsp.add_hfyu_median_prediction(p->data[2] + fake_vstride+2, p->data[2] + 2, s->temp[2], width2 - 2, &leftv, &lefttopv);
}
y++; cy++;
for(; y<height; y++,cy++){
for (; y<height; y++, cy++) {
uint8_t *ydst, *udst, *vdst;
if(s->bitstream_bpp==12){
while(2*cy > y){
if (s->bitstream_bpp == 12) {
while (2 * cy > y) {
decode_gray_bitstream(s, width);
ydst= p->data[0] + p->linesize[0]*y;
ydst = p->data[0] + p->linesize[0] * y;
s->dsp.add_hfyu_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
y++;
}
if(y>=height) break;
if (y >= height) break;
}
draw_slice(s, y);
decode_422_bitstream(s, width);
ydst= p->data[0] + p->linesize[0]*y;
udst= p->data[1] + p->linesize[1]*cy;
vdst= p->data[2] + p->linesize[2]*cy;
ydst = p->data[0] + p->linesize[0] * y;
udst = p->data[1] + p->linesize[1] * cy;
vdst = p->data[2] + p->linesize[2] * cy;
s->dsp.add_hfyu_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
if(!(s->flags&CODEC_FLAG_GRAY)){
if (!(s->flags & CODEC_FLAG_GRAY)) {
s->dsp.add_hfyu_median_prediction(udst, udst - fake_ustride, s->temp[1], width2, &leftu, &lefttopu);
s->dsp.add_hfyu_median_prediction(vdst, vdst - fake_vstride, s->temp[2], width2, &leftv, &lefttopv);
}
......@@ -1141,67 +1190,72 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
break;
}
}
}else{
} else {
int y;
int leftr, leftg, leftb, lefta;
const int last_line= (height-1)*p->linesize[0];
if(s->bitstream_bpp==32){
lefta= p->data[0][last_line+A]= get_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);
}else{
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);
lefta= p->data[0][last_line+A]= 255;
const int last_line = (height - 1) * p->linesize[0];
if (s->bitstream_bpp == 32) {
lefta = p->data[0][last_line+A] = get_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);
} else {
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);
lefta = p->data[0][last_line+A] = 255;
skip_bits(&s->gb, 8);
}
if(s->bgr32){
switch(s->predictor){
if (s->bgr32) {
switch (s->predictor) {
case LEFT:
case PLANE:
decode_bgr_bitstream(s, width-1);
s->dsp.add_hfyu_left_prediction_bgr32(p->data[0] + last_line+4, s->temp[0], width-1, &leftr, &leftg, &leftb, &lefta);
decode_bgr_bitstream(s, width - 1);
s->dsp.add_hfyu_left_prediction_bgr32(p->data[0] + last_line+4, s->temp[0], width - 1, &leftr, &leftg, &leftb, &lefta);
for(y=s->height-2; y>=0; y--){ //Yes it is stored upside down.
for (y = s->height - 2; y >= 0; y--) { //Yes it is stored upside down.
decode_bgr_bitstream(s, width);
s->dsp.add_hfyu_left_prediction_bgr32(p->data[0] + p->linesize[0]*y, s->temp[0], width, &leftr, &leftg, &leftb, &lefta);
if(s->predictor == PLANE){
if(s->bitstream_bpp!=32) lefta=0;
if((y&s->interlaced)==0 && y<s->height-1-s->interlaced){
s->dsp.add_bytes(p->data[0] + p->linesize[0]*y,
p->data[0] + p->linesize[0]*y + fake_ystride, fake_ystride);
if (s->predictor == PLANE) {
if (s->bitstream_bpp != 32) lefta = 0;
if ((y & s->interlaced) == 0 &&
y < s->height - 1 - s->interlaced) {
s->dsp.add_bytes(p->data[0] + p->linesize[0] * y,
p->data[0] + p->linesize[0] * y +
fake_ystride, fake_ystride);
}
}
}
draw_slice(s, height); // just 1 large slice as this is not possible in reverse order
// just 1 large slice as this is not possible in reverse order
draw_slice(s, height);
break;
default:
av_log(avctx, AV_LOG_ERROR, "prediction type not supported!\n");
av_log(avctx, AV_LOG_ERROR,
"prediction type not supported!\n");
}
}else{
av_log(avctx, AV_LOG_ERROR, "BGR24 output is not implemented yet\n");
av_log(avctx, AV_LOG_ERROR,
"BGR24 output is not implemented yet\n");
return -1;
}
}
emms_c();
*picture= *p;
*picture = *p;
*data_size = sizeof(AVFrame);
return (get_bits_count(&s->gb)+31)/32*4 + table_size;
return (get_bits_count(&s->gb) + 31) / 32 * 4 + table_size;
}
#endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */
static int common_end(HYuvContext *s){
static int common_end(HYuvContext *s)
{
int i;
for(i=0; i<3; i++){
for(i = 0; i < 3; i++) {
av_freep(&s->temp[i]);
}
return 0;
......@@ -1219,7 +1273,7 @@ static av_cold int decode_end(AVCodecContext *avctx)
common_end(s);
av_freep(&s->bitstream_buffer);
for(i=0; i<6; i++){
for (i = 0; i < 6; i++) {
ff_free_vlc(&s->vlc[i]);
}
......@@ -1232,13 +1286,13 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
HYuvContext *s = avctx->priv_data;
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];
AVFrame * const p= &s->picture;
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];
AVFrame * const p = &s->picture;
int i, j, size = 0, ret;
if (!pkt->data &&
......@@ -1248,80 +1302,81 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
}
*p = *pict;
p->pict_type= AV_PICTURE_TYPE_I;
p->key_frame= 1;
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
if(s->context){
for(i=0; i<3; i++){
if (s->context) {
for (i = 0; i < 3; i++) {
generate_len_table(s->len[i], s->stats[i]);
if(generate_bits_table(s->bits[i], s->len[i])<0)
if (generate_bits_table(s->bits[i], s->len[i]) < 0)
return -1;
size += store_table(s, s->len[i], &pkt->data[size]);
}
for(i=0; i<3; i++)
for(j=0; j<256; j++)
for (i = 0; i < 3; i++)
for (j = 0; j < 256; j++)
s->stats[i][j] >>= 1;
}
init_put_bits(&s->pb, pkt->data + size, pkt->size - size);
if(avctx->pix_fmt == PIX_FMT_YUV422P || avctx->pix_fmt == PIX_FMT_YUV420P){
if (avctx->pix_fmt == PIX_FMT_YUV422P ||
avctx->pix_fmt == PIX_FMT_YUV420P) {
int lefty, leftu, leftv, y, cy;
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, 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]);
lefty= sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
leftu= sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
leftv= sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
encode_422_bitstream(s, 2, width-2);
if(s->predictor==MEDIAN){
if (s->predictor==MEDIAN) {
int lefttopy, lefttopu, lefttopv;
cy=y=1;
if(s->interlaced){
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);
cy = y = 1;
if (s->interlaced) {
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);
encode_422_bitstream(s, 0, width);
y++; cy++;
}
lefty= sub_left_prediction(s, s->temp[0], p->data[0]+fake_ystride, 4, lefty);
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);
lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty);
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);
encode_422_bitstream(s, 0, 4);
lefttopy= p->data[0][3];
lefttopu= p->data[1][1];
lefttopv= p->data[2][1];
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);
encode_422_bitstream(s, 0, width-4);
lefttopy = p->data[0][3];
lefttopu = p->data[1][1];
lefttopv = p->data[2][1];
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);
encode_422_bitstream(s, 0, width - 4);
y++; cy++;
for(; y<height; y++,cy++){
for (; y < height; y++,cy++) {
uint8_t *ydst, *udst, *vdst;
if(s->bitstream_bpp==12){
while(2*cy > y){
ydst= p->data[0] + p->linesize[0]*y;
if (s->bitstream_bpp == 12) {
while (2 * cy > y) {
ydst = p->data[0] + p->linesize[0] * y;
s->dsp.sub_hfyu_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy);
encode_gray_bitstream(s, width);
y++;
}
if(y>=height) break;
if (y >= height) break;
}
ydst= p->data[0] + p->linesize[0]*y;
udst= p->data[1] + p->linesize[1]*cy;
vdst= p->data[2] + p->linesize[2]*cy;
ydst = p->data[0] + p->linesize[0] * y;
udst = p->data[1] + p->linesize[1] * cy;
vdst = p->data[2] + p->linesize[2] * cy;
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);
......@@ -1329,90 +1384,90 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
encode_422_bitstream(s, 0, width);
}
}else{
for(cy=y=1; y<height; y++,cy++){
} else {
for (cy = y = 1; y < height; y++, cy++) {
uint8_t *ydst, *udst, *vdst;
/* encode a luma only line & y++ */
if(s->bitstream_bpp==12){
ydst= p->data[0] + p->linesize[0]*y;
if (s->bitstream_bpp == 12) {
ydst = p->data[0] + p->linesize[0] * y;
if(s->predictor == PLANE && s->interlaced < y){
if (s->predictor == PLANE && s->interlaced < y) {
s->dsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
lefty= sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
}else{
lefty= sub_left_prediction(s, s->temp[0], ydst, width , lefty);
lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
} else {
lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
}
encode_gray_bitstream(s, width);
y++;
if(y>=height) break;
if (y >= height) break;
}
ydst= p->data[0] + p->linesize[0]*y;
udst= p->data[1] + p->linesize[1]*cy;
vdst= p->data[2] + p->linesize[2]*cy;
ydst = p->data[0] + p->linesize[0] * y;
udst = p->data[1] + p->linesize[1] * cy;
vdst = p->data[2] + p->linesize[2] * cy;
if(s->predictor == PLANE && s->interlaced < cy){
if (s->predictor == PLANE && s->interlaced < cy) {
s->dsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
s->dsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
s->dsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
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);
leftv= sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
}else{
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);
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);
leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
} else {
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);
}
encode_422_bitstream(s, 0, width);
}
}
}else if(avctx->pix_fmt == PIX_FMT_RGB32){
uint8_t *data = p->data[0] + (height-1)*p->linesize[0];
} 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, 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);
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++){
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);
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{
} else {
sub_left_prediction_bgr32(s, s->temp[0], dst, width, &leftr, &leftg, &leftb);
}
encode_bgr_bitstream(s, width);
}
}else{
} else {
av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
}
emms_c();
size+= (put_bits_count(&s->pb)+31)/8;
size += (put_bits_count(&s->pb) + 31) / 8;
put_bits(&s->pb, 16, 0);
put_bits(&s->pb, 15, 0);
size/= 4;
size /= 4;
if((s->flags&CODEC_FLAG_PASS1) && (s->picture_number&31)==0){
if ((s->flags&CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
int j;
char *p= avctx->stats_out;
char *end= p + 1024*30;
for(i=0; i<3; i++){
for(j=0; j<256; j++){
char *p = avctx->stats_out;
char *end = p + 1024*30;
for (i = 0; i < 3; i++) {
for (j = 0; j < 256; j++) {
snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
p+= strlen(p);
p += strlen(p);
s->stats[i][j]= 0;
}
snprintf(p, end-p, "\n");
......@@ -1420,14 +1475,14 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
}
} else
avctx->stats_out[0] = '\0';
if(!(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)){
if (!(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
flush_put_bits(&s->pb);
s->dsp.bswap_buf((uint32_t*)pkt->data, (uint32_t*)pkt->data, size);
}
s->picture_number++;
pkt->size = size*4;
pkt->size = size * 4;
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
......
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