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FFmpeg
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Support >8bit per component YUV in FFV1. 

decoding becomes slower, encoding becomes faster, with gcc on duron.
some inlining overrides like av_flatten are added to keep inlining similar
to before.

Originally committed as revision 18674 to svn://svn.ffmpeg.org/ffmpeg/trunk
tags/v0.6
Michael Niedermayer 17 years ago
parent
217d34e307
commit
68f8d33bec
1 changed files with 114 additions and 8 deletions
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  1. +114
    -8
      libavcodec/ffv1.c

+ 114
- 8
libavcodec/ffv1.c View File

@@ -56,6 +56,26 @@ static const int8_t quant3[256]={
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 0,
};

static const int8_t quant5_10bit[256]={
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,
};

static const int8_t quant5[256]={
0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
@@ -110,6 +130,25 @@ static const int8_t quant9[256]={
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,
-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-1,-1,
};
static const int8_t quant9_10bit[256]={
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,-3,-3,-3,
-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-1,-1,-1,-1,-1,-1,-1,-1,-0,-0,-0,-0,
};

static const int8_t quant11[256]={
0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
@@ -224,9 +263,7 @@ static inline void put_symbol_inline(RangeCoder *c, uint8_t *state, int v, int i
const int a= FFABS(v);
const int e= av_log2(a);
put_rac(c, state+0, 0);

assert(e<=9);

if(e<=9){
for(i=0; i<e; i++){
put_rac(c, state+1+i, 1); //1..10
}
@@ -238,6 +275,19 @@ static inline void put_symbol_inline(RangeCoder *c, uint8_t *state, int v, int i

if(is_signed)
put_rac(c, state+11 + e, v < 0); //11..21
}else{
for(i=0; i<e; i++){
put_rac(c, state+1+FFMIN(i,9), 1); //1..10
}
put_rac(c, state+1+9, 0);

for(i=e-1; i>=0; i--){
put_rac(c, state+22+FFMIN(i,9), (a>>i)&1); //22..31
}

if(is_signed)
put_rac(c, state+11 + 10, v < 0); //11..21
}
}else{
put_rac(c, state+0, 1);
}
@@ -247,22 +297,22 @@ static void av_noinline put_symbol(RangeCoder *c, uint8_t *state, int v, int is_
put_symbol_inline(c, state, v, is_signed);
}

static inline int get_symbol_inline(RangeCoder *c, uint8_t *state, int is_signed){
static inline av_flatten int get_symbol_inline(RangeCoder *c, uint8_t *state, int is_signed){
if(get_rac(c, state+0))
return 0;
else{
int i, e, a;
e= 0;
while(get_rac(c, state+1 + e) && e<9){ //1..10
while(get_rac(c, state+1 + FFMIN(e,9))){ //1..10
e++;
}

a= 1;
for(i=e-1; i>=0; i--){
a += a + get_rac(c, state+22 + i); //22..31
a += a + get_rac(c, state+22 + FFMIN(i,9)); //22..31
}

e= -(is_signed && get_rac(c, state+11 + e)); //11..21
e= -(is_signed && get_rac(c, state+11 + FFMIN(e, 10))); //11..21
return (a^e)-e;
}
}
@@ -451,10 +501,17 @@ static void encode_plane(FFV1Context *s, uint8_t *src, int w, int h, int stride,
sample[0][-1]= sample[1][0 ];
sample[1][ w]= sample[1][w-1];
//{START_TIMER
if(s->avctx->bits_per_raw_sample<=8){
for(x=0; x<w; x++){
sample[0][x]= src[x + stride*y];
}
encode_line(s, w, sample, plane_index, 8);
}else{
for(x=0; x<w; x++){
sample[0][x]= ((uint16_t*)(src + stride*y))[x] >> (16 - s->avctx->bits_per_raw_sample);
}
encode_line(s, w, sample, plane_index, s->avctx->bits_per_raw_sample);
}
//STOP_TIMER("encode line")}
}
}
@@ -523,6 +580,8 @@ static void write_header(FFV1Context *f){
put_symbol(c, state, f->version, 0);
put_symbol(c, state, f->avctx->coder_type, 0);
put_symbol(c, state, f->colorspace, 0); //YUV cs type
if(f->version>0)
put_symbol(c, state, f->avctx->bits_per_raw_sample, 0);
put_rac(c, state, 1); //chroma planes
put_symbol(c, state, f->chroma_h_shift, 0);
put_symbol(c, state, f->chroma_v_shift, 0);
@@ -562,6 +621,7 @@ static av_cold int encode_init(AVCodecContext *avctx)

s->plane_count=2;
for(i=0; i<256; i++){
if(avctx->bits_per_raw_sample <=8){
s->quant_table[0][i]= quant11[i];
s->quant_table[1][i]= 11*quant11[i];
if(avctx->context_model==0){
@@ -573,6 +633,19 @@ static av_cold int encode_init(AVCodecContext *avctx)
s->quant_table[3][i]= 5*11*11*quant5 [i];
s->quant_table[4][i]= 5*5*11*11*quant5 [i];
}
}else{
s->quant_table[0][i]= quant9_10bit[i];
s->quant_table[1][i]= 11*quant9_10bit[i];
if(avctx->context_model==0){
s->quant_table[2][i]= 11*11*quant9_10bit[i];
s->quant_table[3][i]=
s->quant_table[4][i]=0;
}else{
s->quant_table[2][i]= 11*11*quant5_10bit[i];
s->quant_table[3][i]= 5*11*11*quant5_10bit[i];
s->quant_table[4][i]= 5*5*11*11*quant5_10bit[i];
}
}
}

for(i=0; i<s->plane_count; i++){
@@ -593,6 +666,19 @@ static av_cold int encode_init(AVCodecContext *avctx)

avctx->coded_frame= &s->picture;
switch(avctx->pix_fmt){
case PIX_FMT_YUV444P16:
case PIX_FMT_YUV422P16:
case PIX_FMT_YUV420P16:
if(avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL){
av_log(avctx, AV_LOG_ERROR, "More than 8 bit per component is still experimental and no gurantee is yet made for future compatibility\n"
"Use vstrict=-2 / -strict -2 to use it anyway.\n");
return -1;
}
if(avctx->bits_per_raw_sample <=8){
av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample inavlid\n");
return -1;
}
s->version= 1;
case PIX_FMT_YUV444P:
case PIX_FMT_YUV422P:
case PIX_FMT_YUV420P:
@@ -788,10 +874,17 @@ static void decode_plane(FFV1Context *s, uint8_t *src, int w, int h, int stride,
sample[0][ w]= sample[0][w-1];

//{START_TIMER
if(s->avctx->bits_per_raw_sample <= 8){
decode_line(s, w, sample, plane_index, 8);
for(x=0; x<w; x++){
src[x + stride*y]= sample[1][x];
}
}else{
decode_line(s, w, sample, plane_index, s->avctx->bits_per_raw_sample);
for(x=0; x<w; x++){
((uint16_t*)(src + stride*y))[x]= sample[1][x] << (16 - s->avctx->bits_per_raw_sample);
}
}
//STOP_TIMER("decode-line")}
}
}
@@ -877,6 +970,8 @@ static int read_header(FFV1Context *f){
f->version= get_symbol(c, state, 0);
f->ac= f->avctx->coder_type= get_symbol(c, state, 0);
f->colorspace= get_symbol(c, state, 0); //YUV cs type
if(f->version>0)
f->avctx->bits_per_raw_sample= get_symbol(c, state, 0);
get_rac(c, state); //no chroma = false
f->chroma_h_shift= get_symbol(c, state, 0);
f->chroma_v_shift= get_symbol(c, state, 0);
@@ -884,6 +979,7 @@ static int read_header(FFV1Context *f){
f->plane_count= 2;

if(f->colorspace==0){
if(f->avctx->bits_per_raw_sample<=8){
switch(16*f->chroma_h_shift + f->chroma_v_shift){
case 0x00: f->avctx->pix_fmt= PIX_FMT_YUV444P; break;
case 0x10: f->avctx->pix_fmt= PIX_FMT_YUV422P; break;
@@ -894,6 +990,16 @@ static int read_header(FFV1Context *f){
av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
return -1;
}
}else{
switch(16*f->chroma_h_shift + f->chroma_v_shift){
case 0x00: f->avctx->pix_fmt= PIX_FMT_YUV444P16; break;
case 0x10: f->avctx->pix_fmt= PIX_FMT_YUV422P16; break;
case 0x11: f->avctx->pix_fmt= PIX_FMT_YUV420P16; break;
default:
av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
return -1;
}
}
}else if(f->colorspace==1){
if(f->chroma_h_shift || f->chroma_v_shift){
av_log(f->avctx, AV_LOG_ERROR, "chroma subsampling not supported in this colorspace\n");
@@ -1042,7 +1148,7 @@ AVCodec ffv1_encoder = {
encode_init,
encode_frame,
common_end,
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV444P, PIX_FMT_YUV422P, PIX_FMT_YUV411P, PIX_FMT_YUV410P, PIX_FMT_RGB32, PIX_FMT_NONE},
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV444P, PIX_FMT_YUV422P, PIX_FMT_YUV411P, PIX_FMT_YUV410P, PIX_FMT_RGB32, PIX_FMT_YUV420P16, PIX_FMT_YUV422P16, PIX_FMT_YUV444P16, PIX_FMT_NONE},
.long_name= NULL_IF_CONFIG_SMALL("FFmpeg codec #1"),
};
#endif

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