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msdkdec: set the mfx picture structure to MFX_PICSTRUCT_PROGRESSIVE if it is unknown

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The picture structure in the output parameters from
MFXVideoDECODE_Query is set to MFX_PICSTRUCT_UNKNOWN for some codecs, so
the structure of the corresponding mfx surfaces created for decoding are
unknown. The pipeline will be broken when these surfaces are used as the
input for msdkvpp.

Example pipeline:

gst-launch-1.0 filesrc location=input_vp8.webm ! matroskademux !
msdkvp8dec ! msdkvpp ! fakesink

Error message:

0:00:00.031568911 14259 0x55b79dc684a0 ERROR                msdkvpp
gstmsdkvpp.c:728:gst_msdkvpp_transform:<msdkvpp0> MSDK Failed to do VPP
ERROR: from element
/GstPipeline:pipeline0/GstMatroskaDemux:matroskademux0: Internal data
stream error.

This is a workaround for the above issue
This commit is contained in:
Haihao Xiang 2019-01-21 12:25:36 +08:00
parent e5278757c3
commit 546797cecf
1 changed files with 7 additions and 0 deletions
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7
sys/msdk/gstmsdkdec.c
View file

@ -345,6 +345,13 @@ gst_msdkdec_init_decoder (GstMsdkDec * thiz)
msdk_status_to_string (status));
}
/* Force the structure to MFX_PICSTRUCT_PROGRESSIVE if it is unknow to
* work-around MSDK issue:
* https://github.com/Intel-Media-SDK/MediaSDK/issues/1139
*/
if (thiz->param.mfx.FrameInfo.PicStruct == MFX_PICSTRUCT_UNKNOWN)
thiz->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
status = MFXVideoDECODE_QueryIOSurf (session, &thiz->param, &request);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Query IO surfaces failed (%s)",