diff options
Diffstat (limited to 'gst/videomixer/videomixer2.c')
| -rw-r--r-- | gst/videomixer/videomixer2.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gst/videomixer/videomixer2.c b/gst/videomixer/videomixer2.c index a03cf277d..78034b321 100644 --- a/gst/videomixer/videomixer2.c +++ b/gst/videomixer/videomixer2.c @@ -1119,6 +1119,22 @@ gst_videomixer2_query_caps (GstPad * pad, GstObject * parent, GstQuery * query) return TRUE; } +/* FIXME, the duration query should reflect how long you will produce + * data, that is the amount of stream time until you will emit EOS. + * + * For synchronized mixing this is always the max of all the durations + * of upstream since we emit EOS when all of them finished. + * + * We don't do synchronized mixing so this really depends on where the + * streams where punched in and what their relative offsets are against + * eachother which we can get from the first timestamps we see. + * + * When we add a new stream (or remove a stream) the duration might + * also become invalid again and we need to post a new DURATION + * message to notify this fact to the parent. + * For now we take the max of all the upstream elements so the simple + * cases work at least somewhat. + */ static gboolean gst_videomixer2_query_duration (GstVideoMixer2 * mix, GstQuery * query) { |