qsvdec: only access hwaccel_context is the pixel format is QSV

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

View File

@ -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;