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vaapidecode: always a valid format in decoded_info

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Always set a valid format in decoded_info class variable.

https://bugzilla.gnome.org/show_bug.cgi?id=764316
This commit is contained in:
Víctor Manuel Jáquez Leal 2016-04-14 16:22:25 +02:00
parent ade0c7bb43
commit 3e97d71935
1 changed files with 16 additions and 8 deletions
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24
gst/vaapi/gstvaapidecode.c
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@ -355,7 +355,7 @@ is_surface_resolution_changed (GstVaapiDecode * decode,
GstVaapiSurface * surface)
{
GstVideoInfo *vinfo = &decode->decoded_info;
GstVideoFormat format = GST_VIDEO_FORMAT_UNKNOWN;
GstVideoFormat surface_format;
guint surface_width, surface_height;
g_return_val_if_fail (surface != NULL, FALSE);
@ -366,14 +366,22 @@ is_surface_resolution_changed (GstVaapiDecode * decode,
&& GST_VIDEO_INFO_HEIGHT (vinfo) == surface_height)
return FALSE;
/* doing gst_vaapi_surface_get_format() only if necessary since it execute
* vaDeriveImage in the backgrorund . This will usually get executed only once */
format =
(GST_VIDEO_INFO_FORMAT (vinfo) ==
GST_VIDEO_FORMAT_UNKNOWN) ? gst_vaapi_surface_get_format (surface) :
GST_VIDEO_INFO_FORMAT (vinfo);
/* doing gst_vaapi_surface_get_format() only if necessary since it
* execute vaDeriveImage in the background. This will usually get
* executed only once */
surface_format = GST_VIDEO_INFO_FORMAT (vinfo);
if (surface_format == GST_VIDEO_FORMAT_UNKNOWN) {
surface_format = gst_vaapi_surface_get_format (surface);
gst_video_info_set_format (vinfo, format, surface_width, surface_height);
/* if the VA context delivers a currently unrecognized format
* (ICM3, e.g.), we can assume NV12 "safely" */
if (surface_format == GST_VIDEO_FORMAT_UNKNOWN
|| surface_format == GST_VIDEO_FORMAT_ENCODED)
surface_format = GST_VIDEO_FORMAT_NV12;
}
gst_video_info_set_format (vinfo, surface_format, surface_width,
surface_height);
return TRUE;
}