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vp3dec: fix null ptr derefernce. 

Fixes ticket1403

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-06-17 19:50:58 +02:00
parent 5015c37b7d
commit 1125606a1f
1 changed files with 3 additions and 1 deletions
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4
libavcodec/vp3.c
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@ -1667,7 +1667,7 @@ static av_cold int vp3_decode_init(AVCodecContext *avctx)
s->avctx = avctx;
s->width = FFALIGN(avctx->width, 16);
s->height = FFALIGN(avctx->height, 16);
if (avctx->pix_fmt == PIX_FMT_NONE)
if (avctx->codec_id != CODEC_ID_THEORA)
avctx->pix_fmt = PIX_FMT_YUV420P;
avctx->chroma_sample_location = AVCHROMA_LOC_CENTER;
if(avctx->idct_algo==FF_IDCT_AUTO)
@ -2315,6 +2315,8 @@ static av_cold int theora_decode_init(AVCodecContext *avctx)
int header_len[3];
int i;
avctx->pix_fmt = PIX_FMT_YUV420P;
s->theora = 1;
if (!avctx->extradata_size)