Fix a common vp8 decoding failure. Many vp8 clips cannot decode if hw_frames_ctx is enabled, reporting "Error during QSV decoding.: incompatible video parameters (-14)".
It is due to mfx.FrameInfo.Width/Height not matching coded_w/coded_h. See: -hwaccel qsv -init_hw_device qsv -c:v vp8_qsv -i vp8-test-vectors-r1/vp80-00-comprehensive-001.ivf -vf "hwdownload,format=nv12" -pix_fmt yuv420p -f md5 - Signed-off-by: Zhong Li <zhong...@intel.com> Signed-off-by: Luca Barbato <lu_z...@gentoo.org> --- libavcodec/qsv.c | 2 +- libavcodec/qsvdec.c | 3 --- 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c index 250b4e6..5217adf 100644 --- a/libavcodec/qsv.c +++ b/libavcodec/qsv.c @@ -389,7 +389,7 @@ static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, mfxFrameInfo *i = &req->Info; mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info; - if (i->Width != i1->Width || i->Height != i1->Height || + if (i->Width > i1->Width || i->Height > i1->Height || i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) { av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an " "allocation request: %dx%d %d %d vs %dx%d %d %d\n", diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c index abbede5..45bedf9 100644 --- a/libavcodec/qsvdec.c +++ b/libavcodec/qsvdec.c @@ -149,9 +149,6 @@ 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) -- 1.8.3.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel