v4l2object: don't use own pool if downstream don't support video meta

This commit is contained in:
Nicolas Dufresne 2014-03-16 12:44:14 +01:00
parent 2f00119e3b
commit efe68f086f

View file

@ -2873,6 +2873,7 @@ gst_v4l2_object_get_caps (GstV4l2Object * v4l2object, GstCaps * filter)
gboolean
gst_v4l2_object_decide_allocation (GstV4l2Object * obj, GstQuery * query)
{
GstCaps *caps;
GstBufferPool *pool;
guint size, min, max;
gboolean update;
@ -2885,10 +2886,9 @@ gst_v4l2_object_decide_allocation (GstV4l2Object * obj, GstQuery * query)
g_return_val_if_fail (obj->type == V4L2_BUF_TYPE_VIDEO_CAPTURE ||
obj->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, FALSE);
if (obj->pool == NULL) {
GstCaps *caps;
gst_query_parse_allocation (query, &caps, NULL);
gst_query_parse_allocation (query, &caps, NULL);
if (obj->pool == NULL) {
if (!gst_v4l2_object_setup_pool (obj, caps))
goto pool_failed;
}
@ -2984,10 +2984,8 @@ gst_v4l2_object_decide_allocation (GstV4l2Object * obj, GstQuery * query)
if (pool) {
GstStructure *config;
GstCaps *caps;
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL);
gst_buffer_pool_config_set_params (config, caps, size, min, max);
/* if downstream supports video metadata, add this to the pool config */
@ -3004,10 +3002,8 @@ gst_v4l2_object_decide_allocation (GstV4l2Object * obj, GstQuery * query)
* copy to a downstream compatible buffer */
if (pool != obj->pool && obj->need_video_meta) {
GstStructure *config;
GstCaps *caps;
config = gst_buffer_pool_get_config (obj->pool);
gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL);
gst_buffer_pool_config_set_params (config, caps, obj->sizeimage, min, 0);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
@ -3019,6 +3015,17 @@ gst_v4l2_object_decide_allocation (GstV4l2Object * obj, GstQuery * query)
gst_v4l2_buffer_pool_add_crop_meta (GST_V4L2_BUFFER_POOL (obj->pool),
obj->need_crop_meta);
/* Size field is mandatory and we have no size if now using our own pool and
* downstream didn't provide one. */
if (size == 0) {
GstVideoInfo info;
gst_video_info_init (&info);
gst_video_info_from_caps (&info, caps);
size = GST_VIDEO_INFO_SIZE (&info);
}
if (update)
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
else