static gboolean
gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
{
GstWaylandSink *sink = GST_WAYLAND_SINK (bsink);
GstBufferPool *newpool, *oldpool;
GstVideoInfo info;
GstStructure *structure;
static GstAllocationParams params = { 0, 0, 0, 15, };
guint size;
sink = GST_WAYLAND_SINK (bsink);
GST_LOG_OBJECT (sink, "set caps %" GST_PTR_FORMAT, caps);
if (!gst_video_info_from_caps (&info, caps))
goto invalid_format;
sink->video_width = info.width;
sink->video_height = info.height;
size = info.size;
/* create a new pool for the new configuration */
newpool = gst_wayland_buffer_pool_new (sink);
if (!newpool) {
GST_DEBUG_OBJECT (sink, "Failed to create new pool");
return FALSE;
}
structure = gst_buffer_pool_get_config (newpool);
gst_buffer_pool_config_set_params (structure, caps, size, 2, 0);
gst_buffer_pool_config_set_allocator (structure, NULL, ¶ms);
if (!gst_buffer_pool_set_config (newpool, structure))
goto config_failed;
oldpool = sink->pool;
sink->pool = newpool;
if (oldpool)
gst_object_unref (oldpool);
return TRUE;
invalid_format:
{
GST_DEBUG_OBJECT (sink,
"Could not locate image format from caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
config_failed:
{
GST_DEBUG_OBJECT (bsink, "failed setting config");
return FALSE;
}
}
static gboolean
gst_wayland_sink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
{
GstWaylandSink *sink = GST_WAYLAND_SINK (bsink);
GstBufferPool *pool;
GstStructure *config;
GstCaps *caps;
guint size;
gboolean need_pool;
gst_query_parse_allocation (query, &caps, &need_pool);
if (caps == NULL)
goto no_caps;
g_mutex_lock (&sink->wayland_lock);
if ((pool = sink->pool))
gst_object_ref (pool);
g_mutex_unlock (&sink->wayland_lock);
if (pool != NULL) {
GstCaps *pcaps;
/* we had a pool, check caps */
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get_params (config, &pcaps, &size, NULL, NULL);
if (!gst_caps_is_equal (caps, pcaps)) {
/* different caps, we can't use this pool */
gst_object_unref (pool);
pool = NULL;
}
gst_structure_free (config);
}
if (pool == NULL && need_pool) {
GstVideoInfo info;
if (!gst_video_info_from_caps (&info, caps))
goto invalid_caps;
GST_DEBUG_OBJECT (sink, "create new pool");
pool = gst_wayland_buffer_pool_new (sink);
/* the normal size of a frame */
size = info.size;
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, size, 2, 0);
if (!gst_buffer_pool_set_config (pool, config))
goto config_failed;
}
if (pool) {
gst_query_add_allocation_pool (query, pool, size, 2, 0);
gst_object_unref (pool);
}
return TRUE;
/* ERRORS */
no_caps:
{
GST_DEBUG_OBJECT (bsink, "no caps specified");
return FALSE;
}
invalid_caps:
{
GST_DEBUG_OBJECT (bsink, "invalid caps specified");
return FALSE;
}
config_failed:
{
GST_DEBUG_OBJECT (bsink, "failed setting config");
gst_object_unref (pool);
return FALSE;
}
}
static gboolean
gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
{
GstWaylandSink *sink;
GstBufferPool *newpool;
GstVideoInfo info;
enum wl_shm_format format;
GArray *formats;
gint i;
GstStructure *structure;
static GstAllocationParams params = { 0, 0, 0, 15, };
sink = GST_WAYLAND_SINK (bsink);
GST_DEBUG_OBJECT (sink, "set caps %" GST_PTR_FORMAT, caps);
/* extract info from caps */
if (!gst_video_info_from_caps (&info, caps))
goto invalid_format;
format = gst_video_format_to_wayland_format (GST_VIDEO_INFO_FORMAT (&info));
if ((gint) format == -1)
goto invalid_format;
/* verify we support the requested format */
formats = sink->display->formats;
for (i = 0; i < formats->len; i++) {
if (g_array_index (formats, uint32_t, i) == format)
break;
}
if (i >= formats->len)
goto unsupported_format;
/* create a new pool for the new configuration */
newpool = gst_wayland_buffer_pool_new (sink->display);
if (!newpool)
goto pool_failed;
structure = gst_buffer_pool_get_config (newpool);
gst_buffer_pool_config_set_params (structure, caps, info.size, 2, 0);
gst_buffer_pool_config_set_allocator (structure, NULL, ¶ms);
if (!gst_buffer_pool_set_config (newpool, structure))
goto config_failed;
/* store the video info */
sink->video_info = info;
sink->video_info_changed = TRUE;
gst_object_replace ((GstObject **) & sink->pool, (GstObject *) newpool);
gst_object_unref (newpool);
return TRUE;
invalid_format:
{
GST_DEBUG_OBJECT (sink,
"Could not locate image format from caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
unsupported_format:
{
GST_DEBUG_OBJECT (sink, "Format %s is not available on the display",
gst_wayland_format_to_string (format));
return FALSE;
}
pool_failed:
{
GST_DEBUG_OBJECT (sink, "Failed to create new pool");
return FALSE;
}
config_failed:
{
GST_DEBUG_OBJECT (bsink, "failed setting config");
return FALSE;
}
}
