/* check whether the decoded surface size has changed */
static gboolean
is_surface_resolution_changed (GstVaapiDecode * decode,
GstVaapiSurface * surface)
{
GstVideoInfo *vinfo = &decode->decoded_info;
GstVideoFormat surface_format;
guint surface_width, surface_height;
g_return_val_if_fail (surface != NULL, FALSE);
gst_vaapi_surface_get_size (surface, &surface_width, &surface_height);
if (GST_VIDEO_INFO_WIDTH (vinfo) == surface_width
&& GST_VIDEO_INFO_HEIGHT (vinfo) == surface_height)
return FALSE;
/* 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);
/* 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;
}
static gboolean
ensure_image (GstVaapiVideoMemory * mem)
{
if (!mem->image && mem->use_direct_rendering) {
mem->image = gst_vaapi_surface_derive_image (mem->surface);
if (!mem->image) {
GST_WARNING ("failed to derive image, fallbacking to copy");
mem->use_direct_rendering = FALSE;
} else if (gst_vaapi_surface_get_format (mem->surface) !=
GST_VIDEO_INFO_FORMAT (mem->image_info)) {
gst_vaapi_object_replace (&mem->image, NULL);
mem->use_direct_rendering = FALSE;
}
}
if (!mem->image) {
GstVaapiVideoAllocator *const allocator =
GST_VAAPI_VIDEO_ALLOCATOR_CAST (GST_MEMORY_CAST (mem)->allocator);
mem->image = gst_vaapi_video_pool_get_object (allocator->image_pool);
if (!mem->image)
return FALSE;
}
gst_vaapi_video_meta_set_image (mem->meta, mem->image);
return TRUE;
}
