*/
/**
- * @file huffyuv.c
+ * @file libavcodec/huffyuv.c
* huffyuv codec for libavcodec.
*/
#include "avcodec.h"
-#include "bitstream.h"
+#include "get_bits.h"
+#include "put_bits.h"
#include "dsputil.h"
#define VLC_BITS 11
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;
- }
-
- *left= l;
- *left_top= lt;
-}
-
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;
return 0;
}
-#ifdef CONFIG_ENCODERS
+#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER
typedef struct {
uint64_t val;
int name;
-} heap_elem_t;
+} HeapElem;
-static void heap_sift(heap_elem_t *h, int root, int size)
+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)
child++;
if(h[root].val > h[child].val) {
- FFSWAP(heap_elem_t, h[root], h[child]);
+ FFSWAP(HeapElem, h[root], h[child]);
root = child;
} else
break;
}
static void generate_len_table(uint8_t *dst, uint64_t *stats, int size){
- heap_elem_t h[size];
+ HeapElem h[size];
int up[2*size];
int len[2*size];
int offset, i, next;
if(i==size) break;
}
}
-#endif /* CONFIG_ENCODERS */
+#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */
static void generate_joint_tables(HYuvContext *s){
uint16_t symbols[1<<VLC_BITS];
#endif
}
-static void alloc_temp(HYuvContext *s){
+static av_cold void alloc_temp(HYuvContext *s){
int i;
if(s->bitstream_bpp<24){
}
}
-static int common_init(AVCodecContext *avctx){
+static av_cold int common_init(AVCodecContext *avctx){
HYuvContext *s = avctx->priv_data;
s->avctx= avctx;
return 0;
}
-#ifdef CONFIG_DECODERS
+#if CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER
static av_cold int decode_init(AVCodecContext *avctx)
{
HYuvContext *s = avctx->priv_data;
//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_sample&7) && avctx->bits_per_sample != 12)
+ 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;
s->predictor= method&63;
s->bitstream_bpp= ((uint8_t*)avctx->extradata)[1];
if(s->bitstream_bpp==0)
- s->bitstream_bpp= avctx->bits_per_sample&~7;
+ 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) < 0)
return -1;
}else{
- switch(avctx->bits_per_sample&7){
+ switch(avctx->bits_per_coded_sample&7){
case 1:
s->predictor= LEFT;
s->decorrelate= 0;
break;
case 3:
s->predictor= PLANE;
- s->decorrelate= avctx->bits_per_sample >= 24;
+ s->decorrelate= avctx->bits_per_coded_sample >= 24;
break;
case 4:
s->predictor= MEDIAN;
s->decorrelate= 0;
break;
}
- s->bitstream_bpp= avctx->bits_per_sample & ~7;
+ s->bitstream_bpp= avctx->bits_per_coded_sample & ~7;
s->context= 0;
if(read_old_huffman_tables(s) < 0)
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_sample, s->interlaced);
+// 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;
}
-#endif
+#endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */
-#ifdef CONFIG_ENCODERS
+#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER
static int store_table(HYuvContext *s, uint8_t *len, uint8_t *buf){
int i;
int index= 0;
av_log(avctx, AV_LOG_ERROR, "format not supported\n");
return -1;
}
- avctx->bits_per_sample= s->bitstream_bpp;
+ 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;
s->stats[i][j]= 0;
}
-// printf("pred:%d bpp:%d hbpp:%d il:%d\n", s->predictor, s->bitstream_bpp, avctx->bits_per_sample, s->interlaced);
+// 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);
return 0;
}
-#endif /* CONFIG_ENCODERS */
+#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */
/* 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. */
}
}
-#ifdef CONFIG_ENCODERS
-static int encode_422_bitstream(HYuvContext *s, int count){
+#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER
+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;
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");
}
#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];
+ 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){
}
return 0;
}
-#endif /* CONFIG_ENCODERS */
+#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */
static av_always_inline void decode_bgr_1(HYuvContext *s, int count, int decorrelate, int alpha){
int i;
return 0;
}
-#ifdef CONFIG_DECODERS
+#if CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER
static void draw_slice(HYuvContext *s, int y){
int h, cy;
int offset[4];
s->last_slice_end= y + h;
}
-static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const uint8_t *buf, int buf_size){
+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;
AVFrame *picture = data;
- s->bitstream_buffer= av_fast_realloc(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);
s->dsp.bswap_buf((uint32_t*)s->bitstream_buffer, (const uint32_t*)buf, buf_size/4);
/* next line except the first 4 pixels is median predicted */
lefttopy= p->data[0][3];
decode_422_bitstream(s, width-4);
- add_median_prediction(p->data[0] + fake_ystride+4, p->data[0]+4, s->temp[0], width-4, &lefty, &lefttopy);
+ 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];
- 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);
+ 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++;
while(2*cy > y){
decode_gray_bitstream(s, width);
ydst= p->data[0] + p->linesize[0]*y;
- add_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
+ s->dsp.add_hfyu_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
y++;
}
if(y>=height) break;
udst= p->data[1] + p->linesize[1]*cy;
vdst= p->data[2] + p->linesize[2]*cy;
- add_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
+ s->dsp.add_hfyu_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);
+ 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);
}
}
return (get_bits_count(&s->gb)+31)/32*4 + table_size;
}
-#endif
+#endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */
static int common_end(HYuvContext *s){
int i;
return 0;
}
-#ifdef CONFIG_DECODERS
+#if CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER
static av_cold int decode_end(AVCodecContext *avctx)
{
HYuvContext *s = avctx->priv_data;
return 0;
}
-#endif
+#endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */
-#ifdef CONFIG_ENCODERS
+#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER
static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
HYuvContext *s = avctx->priv_data;
AVFrame *pict = data;
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]+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);
+ 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, width-2);
+ encode_422_bitstream(s, 2, width-2);
if(s->predictor==MEDIAN){
int lefttopy, lefttopu, lefttopv;
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, width);
+ encode_422_bitstream(s, 0, width);
y++; cy++;
}
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, 4);
+ encode_422_bitstream(s, 0, 4);
lefttopy= p->data[0][3];
lefttopu= p->data[1][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, width-4);
+ encode_422_bitstream(s, 0, width-4);
y++; cy++;
for(; y<height; y++,cy++){
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);
+ encode_422_bitstream(s, 0, width);
}
}else{
for(cy=y=1; y<height; y++,cy++){
leftv= sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
}
- encode_422_bitstream(s, width);
+ encode_422_bitstream(s, 0, width);
}
}
}else if(avctx->pix_fmt == PIX_FMT_RGB32){
emms_c();
size+= (put_bits_count(&s->pb)+31)/8;
+ put_bits(&s->pb, 16, 0);
+ put_bits(&s->pb, 15, 0);
size/= 4;
if((s->flags&CODEC_FLAG_PASS1) && (s->picture_number&31)==0){
return 0;
}
-#endif /* CONFIG_ENCODERS */
+#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */
-#ifdef CONFIG_DECODERS
+#if CONFIG_HUFFYUV_DECODER
AVCodec huffyuv_decoder = {
"huffyuv",
CODEC_TYPE_VIDEO,
decode_end,
decode_frame,
CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND,
- NULL
+ NULL,
+ .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
};
+#endif
+#if CONFIG_FFVHUFF_DECODER
AVCodec ffvhuff_decoder = {
"ffvhuff",
CODEC_TYPE_VIDEO,
decode_end,
decode_frame,
CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND,
- NULL
+ NULL,
+ .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
};
#endif
-#ifdef CONFIG_ENCODERS
-
+#if CONFIG_HUFFYUV_ENCODER
AVCodec huffyuv_encoder = {
"huffyuv",
CODEC_TYPE_VIDEO,
encode_init,
encode_frame,
encode_end,
- .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_RGB32, -1},
+ .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_RGB32, PIX_FMT_NONE},
+ .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
};
+#endif
+#if CONFIG_FFVHUFF_ENCODER
AVCodec ffvhuff_encoder = {
"ffvhuff",
CODEC_TYPE_VIDEO,
encode_init,
encode_frame,
encode_end,
- .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_RGB32, -1},
+ .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_RGB32, PIX_FMT_NONE},
+ .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
};
-
-#endif //CONFIG_ENCODERS
+#endif
projects / ffmpeg / blobdiff