diff options
Diffstat (limited to 'libmpcodecs/vd_ffmpeg.c')
| -rw-r--r-- | libmpcodecs/vd_ffmpeg.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/libmpcodecs/vd_ffmpeg.c b/libmpcodecs/vd_ffmpeg.c index 19192f8669..64154aaff7 100644 --- a/libmpcodecs/vd_ffmpeg.c +++ b/libmpcodecs/vd_ffmpeg.c @@ -354,21 +354,20 @@ static int init(sh_video_t *sh){ case mmioFOURCC('R', 'V', '2', '0'): case mmioFOURCC('R', 'V', '3', '0'): case mmioFOURCC('R', 'V', '4', '0'): - avctx->extradata_size= 8; - avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); - if(sh->bih->biSize!=sizeof(*sh->bih)+8){ + if(sh->bih->biSize<sizeof(*sh->bih)+8){ /* only 1 packet per frame & sub_id from fourcc */ + avctx->extradata_size= 8; + avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); ((uint32_t*)avctx->extradata)[0] = 0; - avctx->sub_id= ((uint32_t*)avctx->extradata)[1] = (sh->format == mmioFOURCC('R', 'V', '1', '3')) ? 0x10003001 : 0x10000000; } else { /* has extra slice header (demux_rm or rm->avi streamcopy) */ - unsigned int* extrahdr=(unsigned int*)(sh->bih+1); - ((uint32_t*)avctx->extradata)[0] = be2me_32(extrahdr[0]); - avctx->sub_id= extrahdr[1]; - ((uint32_t*)avctx->extradata)[1] = be2me_32(extrahdr[1]); + avctx->extradata_size = sh->bih->biSize-sizeof(BITMAPINFOHEADER); + avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); + memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size); } + avctx->sub_id= be2me_32(avctx->extradata+4); // printf("%X %X %d %d\n", extrahdr[0], extrahdr[1]); break; @@ -748,7 +747,7 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){ || sh->format == mmioFOURCC('R', 'V', '2', '0') || sh->format == mmioFOURCC('R', 'V', '3', '0') || sh->format == mmioFOURCC('R', 'V', '4', '0')) - if(sh->bih->biSize==sizeof(*sh->bih)+8){ + if(sh->bih->biSize>=sizeof(*sh->bih)+8){ int i; dp_hdr_t *hdr= (dp_hdr_t*)data; |