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download: use GstVideoInfo facilities to build output caps.

Browse source 
Use standard GstVideoInfo related functions to build the output caps,
thus directly preserving additional fields as needed, instead of
manually copying them over through gst_vaapi_append_surface_caps().

Also ensure that the input caps are fixated first.
This commit is contained in:
Gwenole Beauchesne 2013-12-21 08:27:30 +01:00
parent 113bd3a5f2
commit 7f88fdcc03
1 changed files with 10 additions and 7 deletions
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17
gst/vaapi/gstvaapidownload.c
View file

@ -282,6 +282,7 @@ gst_vaapidownload_update_src_caps(GstVaapiDownload *download, GstBuffer *buffer)
GstVaapiVideoMeta *meta;
GstVaapiSurface *surface;
GstVideoFormat format;
GstVideoInfo vi;
GstPad *srcpad;
GstCaps *in_caps, *out_caps;
@ -297,20 +298,22 @@ gst_vaapidownload_update_src_caps(GstVaapiDownload *download, GstBuffer *buffer)
return TRUE;
in_caps = GST_BUFFER_CAPS(buffer);
if (!in_caps) {
if (!in_caps || !gst_caps_is_fixed(in_caps)) {
GST_WARNING("failed to retrieve caps from buffer");
return FALSE;
}
out_caps = gst_vaapi_video_format_to_caps(download->image_format);
if (!out_caps) {
GST_WARNING("failed to create caps from format %s",
gst_video_format_to_string(download->image_format));
if (!gst_video_info_from_caps(&vi, in_caps)) {
GST_WARNING("failed to parse caps %" GST_PTR_FORMAT, in_caps);
return FALSE;
}
if (!gst_vaapi_append_surface_caps(out_caps, in_caps)) {
gst_caps_unref(out_caps);
gst_video_info_set_format(&vi, download->image_format,
GST_VIDEO_INFO_WIDTH(&vi), GST_VIDEO_INFO_HEIGHT(&vi));
out_caps = gst_video_info_to_caps(&vi);
if (!out_caps) {
GST_WARNING("failed to create caps from format %s",
gst_video_format_to_string(download->image_format));
return FALSE;
}