GstQuery *
gst_droid_query_new_video_color_format ()
{
GstQuery *query;
GstStructure *structure;
structure = gst_structure_new_empty (GST_DROID_VIDEO_COLOR_FORMAT_QUERY_NAME);
query = gst_query_new_custom (GST_QUERY_CUSTOM, structure);
return query;
}
/**
* gst_navigation_query_new_angles:
*
* Create a new #GstNavigation angles query. When executed, it will
* query the pipeline for the set of currently available angles, which may be
* greater than one in a multiangle video.
*
* Returns: The new query.
*/
GstQuery *
gst_navigation_query_new_angles (void)
{
GstQuery *query;
GstStructure *structure;
structure = gst_structure_new (GST_NAVIGATION_QUERY_NAME,
"type", G_TYPE_STRING, "angles", NULL);
query = gst_query_new_custom (GST_QUERY_CUSTOM, structure);
return query;
}
static gboolean progress_buffer_checkgetrange(GstPad *pad)
{
ProgressBuffer *element = PROGRESS_BUFFER(GST_PAD_PARENT(pad));
#if ENABLE_PULL_MODE
gboolean result = FALSE;
GstStructure *s = gst_structure_new(GETRANGE_QUERY_NAME, NULL, NULL);
GstQuery *query = gst_query_new_custom(GST_QUERY_CUSTOM, s);
if (gst_pad_peer_query(pad, query))
result = gst_structure_get_boolean(s, GETRANGE_QUERY_SUPPORTS_FIELDNANE, &result) && result;
// INLINE - gst_query_unref()
gst_query_unref(query);
return result;
#else
return gst_pad_check_pull_range(element->sinkpad);
#endif
}
static GstFlowReturn
gst_egl_image_buffer_pool_alloc_buffer (GstBufferPool * bpool,
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
{
GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (bpool);
*buffer = NULL;
if (!pool->add_metavideo || !pool->want_eglimage)
return
GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
buffer, params);
if (!pool->allocator)
return GST_FLOW_NOT_NEGOTIATED;
switch (pool->info.finfo->format) {
case GST_VIDEO_FORMAT_RGBA:{
GstFlowReturn ret;
GstQuery *query;
GstStructure *s;
const GValue *v;
s = gst_structure_new ("eglglessink-allocate-eglimage",
"format", GST_TYPE_VIDEO_FORMAT, pool->info.finfo->format,
"width", G_TYPE_INT, pool->info.width,
"height", G_TYPE_INT, pool->info.height, NULL);
query = gst_query_new_custom (GST_QUERY_CUSTOM, s);
ret = queue_object (state, GST_MINI_OBJECT_CAST (query), TRUE);
if (ret != TRUE || !gst_structure_has_field (s, "buffer")) {
GST_WARNING ("Fallback memory allocation");
gst_query_unref (query);
return
GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
buffer, params);
}
v = gst_structure_get_value (s, "buffer");
*buffer = GST_BUFFER_CAST (g_value_get_pointer (v));
gst_query_unref (query);
if (!*buffer) {
GST_WARNING ("Fallback memory allocation");
return
GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
buffer, params);
}
return GST_FLOW_OK;
break;
}
default:
return
GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
buffer, params);
break;
}
return GST_FLOW_ERROR;
}
