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Make RV10/20 decoder work with new frame format 

Originally committed as revision 10825 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2007-10-21 17:22:37 +00:00
parent b96b441ad2
commit dd55d4a315
1 changed files with 19 additions and 8 deletions
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27
libavcodec/rv10.c
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@ -711,6 +711,12 @@ static int rv10_decode_packet(AVCodecContext *avctx,
return buf_size;
}
static int get_slice_offset(AVCodecContext *avctx, uint8_t *buf, int n)
{
if(avctx->slice_count) return avctx->slice_offset[n];
else return AV_RL32(buf + n*8);
}
static int rv10_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
@ -718,6 +724,8 @@ static int rv10_decode_frame(AVCodecContext *avctx,
MpegEncContext *s = avctx->priv_data;
int i;
AVFrame *pict = data;
int slice_count;
uint8_t *slices_hdr = NULL;
#ifdef DEBUG
av_log(avctx, AV_LOG_DEBUG, "*****frame %d size=%d\n", avctx->frame_number, buf_size);
@ -728,21 +736,24 @@ static int rv10_decode_frame(AVCodecContext *avctx,
return 0;
}
if(avctx->slice_count){
for(i=0; i<avctx->slice_count; i++){
int offset= avctx->slice_offset[i];
if(!avctx->slice_count){
slice_count = (*buf++) + 1;
slices_hdr = buf + 4;
buf += 8 * slice_count;
}else
slice_count = avctx->slice_count;
for(i=0; i<slice_count; i++){
int offset= get_slice_offset(avctx, slices_hdr, i);
int size;
if(i+1 == avctx->slice_count)
if(i+1 == slice_count)
size= buf_size - offset;
else
size= avctx->slice_offset[i+1] - offset;
size= get_slice_offset(avctx, slices_hdr, i+1) - offset;
rv10_decode_packet(avctx, buf+offset, size);
}
}else{
rv10_decode_packet(avctx, buf, buf_size);
}
if(s->current_picture_ptr != NULL && s->mb_y>=s->mb_height){
ff_er_frame_end(s);