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gstreamer: Store group_id in GstLibcameraSrcState

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This patch adds group_id in GstLibcameraSrcState, since group_id is
something which should be same for all the pads, it can be reused
later.

Signed-off-by: Vedant Paranjape <vedantparanjape160201@gmail.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
This commit is contained in:
Vedant Paranjape 2021-07-20 21:30:34 +05:30 • committed by Paul Elder
parent 804c52fce4
commit f573198d3e
1 changed files with 4 additions and 3 deletions
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7
src/gstreamer/gstlibcamerasrc.cpp
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@ -113,6 +113,7 @@ struct GstLibcameraSrcState {
std::unique_ptr<CameraConfiguration> config_;
std::vector<GstPad *> srcpads_;
std::queue<std::unique_ptr<RequestWrap>> requests_;
guint group_id_;
void requestCompleted(Request *request);
};
@ -360,15 +361,14 @@ gst_libcamera_src_task_enter(GstTask *task, [[maybe_unused]] GThread *thread,
GST_DEBUG_OBJECT(self, "Streaming thread has started");
guint group_id = gst_util_group_id_next();
gint stream_id_num = 0;
StreamRoles roles;
for (GstPad *srcpad : state->srcpads_) {
/* Create stream-id and push stream-start. */
g_autofree gchar *stream_id_intermediate = g_strdup_printf("%i%i", group_id, stream_id_num++);
g_autofree gchar *stream_id_intermediate = g_strdup_printf("%i%i", state->group_id_, stream_id_num++);
g_autofree gchar *stream_id = gst_pad_create_stream_id(srcpad, GST_ELEMENT(self), stream_id_intermediate);
GstEvent *event = gst_event_new_stream_start(stream_id);
gst_event_set_group_id(event, group_id);
gst_event_set_group_id(event, state->group_id_);
gst_pad_push_event(srcpad, event);
/* Collect the streams roles for the next iteration. */
@ -578,6 +578,7 @@ gst_libcamera_src_change_state(GstElement *element, GstStateChange transition)
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
/* This needs to be called after pads activation.*/
self->state->group_id_ = gst_util_group_id_next();
if (!gst_task_pause(self->task))
return GST_STATE_CHANGE_FAILURE;
ret = GST_STATE_CHANGE_NO_PREROLL;