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qsvdec: only access hwaccel_context is the pixel format is QSV

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We do not strictly specify that hwaccel_context must be cleared if no
hwaccel is used.

Reported-By: wm4 <nfxjfg@googlemail.com>
This commit is contained in:
Anton Khirnov 2016-07-30 16:38:51 +02:00
parent ed1cd81076
commit e328178da9
1 changed files with 1 additions and 1 deletions
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2
libavcodec/qsvdec.c
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@ -106,7 +106,7 @@ static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q)
return AVERROR(ENOMEM);
}
if (avctx->hwaccel_context) {
if (avctx->pix_fmt == AV_PIX_FMT_QSV && avctx->hwaccel_context) {
AVQSVContext *user_ctx = avctx->hwaccel_context;
session = user_ctx->session;
iopattern = user_ctx->iopattern;