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qsvdec: when a frames ctx is supplied, use its frame dimensions

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The allocated frame size may be larger than the coded dimensions.
This commit is contained in:
Anton Khirnov 2016-06-22 11:57:36 +02:00
parent 92736c74fb
commit 924e2ecd2b
1 changed files with 7 additions and 2 deletions
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9
libavcodec/qsvdec.c
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@ -91,6 +91,8 @@ static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q)
mfxSession session = NULL;
int iopattern = 0;
mfxVideoParam param = { { 0 } };
int frame_width = avctx->coded_width;
int frame_height = avctx->coded_height;
int ret;
desc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
@ -122,6 +124,9 @@ static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q)
else if (frames_hwctx->frame_type & MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET)
iopattern = MFX_IOPATTERN_OUT_VIDEO_MEMORY;
}
frame_width = frames_hwctx->surfaces[0].Info.Width;
frame_height = frames_hwctx->surfaces[0].Info.Height;
}
if (!iopattern)
@ -146,8 +151,8 @@ static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q)
param.mfx.FrameInfo.BitDepthChroma = desc->comp[0].depth;
param.mfx.FrameInfo.Shift = desc->comp[0].depth > 8;
param.mfx.FrameInfo.FourCC = q->fourcc;
param.mfx.FrameInfo.Width = avctx->coded_width;
param.mfx.FrameInfo.Height = avctx->coded_height;
param.mfx.FrameInfo.Width = frame_width;
param.mfx.FrameInfo.Height = frame_height;
param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
param.IOPattern = q->iopattern;