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vaapipostproc: set multivew-mode flags to src caps

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vaapipostproc didn't negotiate the proper multiview caps losing
downstream information.

This patch enables the playing of MVC encoded stream by setting
the proper multiview mode/flags and views to src caps, according
to sink caps.

https://bugzilla.gnome.org/show_bug.cgi?id=784320
This commit is contained in:
Hyunjun Ko 2017-06-29 12:49:24 +09:00 committed by Víctor Manuel Jáquez Leal
parent e7dd25ffc1
commit e7bba345de
1 changed files with 25 additions and 0 deletions
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25
gst/vaapi/gstvaapipostprocutil.c
View file

@ -551,6 +551,30 @@ overflow_error:
}
}
static gboolean
_set_multiview_mode (GstVaapiPostproc * postproc, GstVideoInfo * vinfo,
GstStructure * outs)
{
const gchar *caps_str;
caps_str =
gst_video_multiview_mode_to_caps_string (GST_VIDEO_INFO_MULTIVIEW_MODE
(vinfo));
if (!caps_str)
return TRUE;
gst_structure_set (outs, "multiview-mode", G_TYPE_STRING, caps_str,
"multiview-flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGSET,
GST_VIDEO_INFO_MULTIVIEW_FLAGS (vinfo), GST_FLAG_SET_MASK_EXACT, NULL);
if (GST_VIDEO_INFO_VIEWS (vinfo) > 1) {
gst_structure_set (outs, "views", G_TYPE_INT, GST_VIDEO_INFO_VIEWS (vinfo),
NULL);
}
return TRUE;
}
static gboolean
_set_colorimetry (GstVaapiPostproc * postproc, GstVideoFormat format,
GstStructure * outs)
@ -670,6 +694,7 @@ _get_preferred_caps (GstVaapiPostproc * postproc, GstVideoInfo * vinfo,
goto fixate_failed;
if (!_fixate_frame_rate (postproc, vinfo, structure))
goto fixate_failed;
_set_multiview_mode (postproc, vinfo, structure);
if (f == GST_VAAPI_CAPS_FEATURE_SYSTEM_MEMORY)
_set_colorimetry (postproc, format, structure);