diff options
Diffstat (limited to 'libavcodec/vc1dec.c')
| -rw-r--r-- | libavcodec/vc1dec.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c index d35e664aca..852c874ee1 100644 --- a/libavcodec/vc1dec.c +++ b/libavcodec/vc1dec.c @@ -3398,7 +3398,7 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx) VC1Context *v = avctx->priv_data; MpegEncContext *s = &v->s; GetBitContext gb; - int i; + int i, cur_width, cur_height; if (!avctx->extradata_size || !avctx->extradata) return -1; if (!(avctx->flags & CODEC_FLAG_GRAY)) @@ -3419,8 +3419,8 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx) if (vc1_init_common(v) < 0) return -1; ff_vc1dsp_init(&v->vc1dsp); - avctx->coded_width = avctx->width; - avctx->coded_height = avctx->height; + cur_width = avctx->coded_width = avctx->width; + cur_height = avctx->coded_height = avctx->height; if (avctx->codec_id == CODEC_ID_WMV3) { int count = 0; @@ -3491,6 +3491,19 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx) } v->res_sprite = (avctx->codec_tag == MKTAG('W','V','P','2')); } + // Sequence header information may not have been parsed + // yet when ff_msmpeg4_decode_init was called the fist time + // above. If sequence information changes, we need to call + // it again. + if (cur_width != avctx->width || + cur_height != avctx->height) { + MPV_common_end(s); + if(ff_msmpeg4_decode_init(avctx) < 0) + return -1; + avctx->coded_width = avctx->width; + avctx->coded_height = avctx->height; + } + avctx->profile = v->profile; if (v->profile == PROFILE_ADVANCED) avctx->level = v->level; |