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path: root/src/libffmpeg/libavcodec/huffyuv.c
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Diffstat (limited to 'src/libffmpeg/libavcodec/huffyuv.c')
-rw-r--r--src/libffmpeg/libavcodec/huffyuv.c89
1 files changed, 25 insertions, 64 deletions
diff --git a/src/libffmpeg/libavcodec/huffyuv.c b/src/libffmpeg/libavcodec/huffyuv.c
index 53c0df0c0..e5e492b9b 100644
--- a/src/libffmpeg/libavcodec/huffyuv.c
+++ b/src/libffmpeg/libavcodec/huffyuv.c
@@ -57,7 +57,7 @@ typedef struct HYuvContext{
int flags;
int picture_number;
int last_slice_end;
- uint8_t __align8 temp[3][2500];
+ uint8_t __align8 temp[3][2560];
uint64_t stats[3][256];
uint8_t len[3][256];
uint32_t bits[3][256];
@@ -153,28 +153,6 @@ static inline void add_median_prediction(uint8_t *dst, uint8_t *src1, uint8_t *d
*left_top= lt;
}
-#ifdef CONFIG_ENCODERS
-//FIXME optimize
-static inline void sub_median_prediction(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top){
- int i;
- uint8_t l, lt;
-
- l= *left;
- lt= *left_top;
-
- for(i=0; i<w; i++){
- const int pred= mid_pred(l, src1[i], (l + src1[i] - lt)&0xFF);
- lt= src1[i];
- l= src2[i];
- dst[i]= l - pred;
- }
-
- *left= l;
- *left_top= lt;
-}
-
-#endif //CONFIG_ENCODERS
-
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;
@@ -197,7 +175,6 @@ static inline void add_left_prediction_bgr32(uint8_t *dst, uint8_t *src, int w,
*blue= b;
}
-#ifdef CONFIG_ENCODERS
static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst, uint8_t *src, int w, int left){
int i;
if(w<32){
@@ -217,7 +194,7 @@ static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst, uint8_t *src
return src[w-1];
}
}
-#endif //CONFIG_ENCODERS
+
static void read_len_table(uint8_t *dst, GetBitContext *gb){
int i, val, repeat;
@@ -250,8 +227,6 @@ static int generate_bits_table(uint32_t *dst, uint8_t *len_table){
return 0;
}
-#ifdef CONFIG_ENCODERS
-
static void generate_len_table(uint8_t *dst, uint64_t *stats, int size){
uint64_t counts[2*size];
int up[2*size];
@@ -308,8 +283,6 @@ static void generate_len_table(uint8_t *dst, uint64_t *stats, int size){
}
}
-#endif //CONFIG_ENCODERS
-
static int read_huffman_tables(HYuvContext *s, uint8_t *src, int length){
GetBitContext gb;
int i;
@@ -460,21 +433,18 @@ s->bgr32=1;
return 0;
}
-#ifdef CONFIG_ENCODERS
-
static void store_table(HYuvContext *s, uint8_t *len){
int i;
int index= s->avctx->extradata_size;
for(i=0; i<256;){
- int cur=i;
int val= len[i];
- int repeat;
-
- for(; i<256 && len[i]==val; i++);
+ int repeat=0;
- repeat= i - cur;
+ for(; i<256 && len[i]==val && repeat<255; i++)
+ repeat++;
+ assert(val < 32 && val >0 && repeat<256 && repeat>0);
if(repeat>7){
((uint8_t*)s->avctx->extradata)[index++]= val;
((uint8_t*)s->avctx->extradata)[index++]= repeat;
@@ -501,8 +471,8 @@ static int encode_init(AVCodecContext *avctx)
assert(width && height);
- avctx->extradata= av_mallocz(1024*10);
- avctx->stats_out= av_mallocz(1024*10);
+ avctx->extradata= av_mallocz(1024*30);
+ avctx->stats_out= av_mallocz(1024*30);
s->version=2;
avctx->coded_frame= &s->picture;
@@ -583,8 +553,6 @@ static int encode_init(AVCodecContext *avctx)
return 0;
}
-#endif //CONFIG_ENCODERS
-
static void decode_422_bitstream(HYuvContext *s, int count){
int i;
@@ -609,8 +577,6 @@ static void decode_gray_bitstream(HYuvContext *s, int count){
}
}
-#ifdef CONFIG_ENCODERS
-
static void encode_422_bitstream(HYuvContext *s, int count){
int i;
@@ -649,8 +615,6 @@ static void encode_gray_bitstream(HYuvContext *s, int count){
}
}
-#endif //CONFIG_ENCODERS
-
static void decode_bgr_bitstream(HYuvContext *s, int count){
int i;
@@ -689,7 +653,7 @@ static void decode_bgr_bitstream(HYuvContext *s, int count){
static void draw_slice(HYuvContext *s, int y){
int h, cy;
- uint8_t *src_ptr[3];
+ int offset[4];
if(s->avctx->draw_horiz_band==NULL)
return;
@@ -702,13 +666,14 @@ static void draw_slice(HYuvContext *s, int y){
}else{
cy= y;
}
-
- src_ptr[0] = s->picture.data[0] + s->picture.linesize[0]*y;
- src_ptr[1] = s->picture.data[1] + s->picture.linesize[1]*cy;
- src_ptr[2] = s->picture.data[2] + s->picture.linesize[2]*cy;
+
+ offset[0] = s->picture.linesize[0]*y;
+ offset[1] = s->picture.linesize[1]*cy;
+ offset[2] = s->picture.linesize[2]*cy;
+ offset[3] = 0;
emms_c();
- s->avctx->draw_horiz_band(s->avctx, src_ptr, s->picture.linesize[0], y, s->width, h);
+ s->avctx->draw_horiz_band(s->avctx, &s->picture, offset, y, 3, h);
s->last_slice_end= y + h;
}
@@ -961,8 +926,6 @@ static int decode_end(AVCodecContext *avctx)
return 0;
}
-#ifdef CONFIG_ENCODERS
-
static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
HYuvContext *s = avctx->priv_data;
AVFrame *pict = data;
@@ -975,7 +938,7 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
AVFrame * const p= &s->picture;
int i, size;
- init_put_bits(&s->pb, buf, buf_size, NULL, NULL);
+ init_put_bits(&s->pb, buf, buf_size);
*p = *pict;
p->pict_type= FF_I_TYPE;
@@ -1016,9 +979,9 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
lefttopy= p->data[0][3];
lefttopu= p->data[1][1];
lefttopv= p->data[2][1];
- sub_median_prediction(s->temp[0], p->data[0]+4, p->data[0] + fake_ystride+4, width-4 , &lefty, &lefttopy);
- sub_median_prediction(s->temp[1], p->data[1]+2, p->data[1] + fake_ustride+2, width2-2, &leftu, &lefttopu);
- sub_median_prediction(s->temp[2], p->data[2]+2, p->data[2] + fake_vstride+2, width2-2, &leftv, &lefttopv);
+ 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, width-4);
y++; cy++;
@@ -1028,7 +991,7 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
if(s->bitstream_bpp==12){
while(2*cy > y){
ydst= p->data[0] + p->linesize[0]*y;
- sub_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy);
+ s->dsp.sub_hfyu_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy);
encode_gray_bitstream(s, width);
y++;
}
@@ -1038,9 +1001,9 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
udst= p->data[1] + p->linesize[1]*cy;
vdst= p->data[2] + p->linesize[2]*cy;
- sub_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy);
- sub_median_prediction(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
- sub_median_prediction(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv);
+ 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);
encode_422_bitstream(s, width);
}
@@ -1071,11 +1034,11 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
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[3], vdst, vdst - fake_vstride, width2);
+ s->dsp.diff_bytes(s->temp[2] + 1250, 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[3], width2, leftv);
+ leftv= sub_left_prediction(s, s->temp[2], s->temp[2] + 1250, 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);
@@ -1130,8 +1093,6 @@ static const AVOption huffyuv_options[] =
AVOPTION_END()
};
-#endif //CONFIG_ENCODERS
-
AVCodec huffyuv_decoder = {
"huffyuv",
CODEC_TYPE_VIDEO,
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-28 10:47:12 +0000