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camerabin: do not put video pipeline into READY when start recording camerabin: remember probe IDs and disconnect them when destroying pipelines

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This commit is contained in:
Tommi Myöhänen 2009-07-27 08:25:37 +03:00 committed by Stefan Kost
parent d6bb14dade
commit 01a7532900
3 changed files with 51 additions and 7 deletions
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48
gst/camerabin/camerabinvideo.c
View file

@ -186,6 +186,11 @@ gst_camerabin_video_init (GstCameraBinVideo * vid,
vid->mute = ARG_DEFAULT_MUTE;
vid->aud_src_probe_id = 0;
vid->vid_src_probe_id = 0;
vid->vid_tee_probe_id = 0;
vid->vid_sink_probe_id = 0;
/* Create src and sink ghost pads */
vid->sinkpad = gst_ghost_pad_new_no_target ("sink", GST_PAD_SINK);
gst_element_add_pad (GST_ELEMENT (vid), vid->sinkpad);
@ -194,7 +199,7 @@ gst_camerabin_video_init (GstCameraBinVideo * vid,
gst_element_add_pad (GST_ELEMENT (vid), vid->srcpad);
/* Add probe for handling eos when stopping recording */
gst_pad_add_event_probe (vid->sinkpad,
vid->vid_sink_probe_id = gst_pad_add_event_probe (vid->sinkpad,
G_CALLBACK (camerabin_video_sink_have_event), vid);
}
@ -206,6 +211,11 @@ gst_camerabin_video_dispose (GstCameraBinVideo * vid)
g_string_free (vid->filename, TRUE);
vid->filename = NULL;
if (vid->vid_sink_probe_id) {
gst_pad_remove_event_probe (vid->sinkpad, vid->vid_sink_probe_id);
vid->vid_sink_probe_id = 0;
}
if (vid->user_post) {
gst_object_unref (vid->user_post);
vid->user_post = NULL;
@ -439,6 +449,10 @@ camerabin_video_pad_aud_src_have_buffer (GstPad * pad, GstBuffer * buffer,
{
GstCameraBinVideo *vid = (GstCameraBinVideo *) u_data;
GST_LOG ("buffer in with size %d duration %" G_GINT64_FORMAT " ts %"
GST_TIME_FORMAT, GST_BUFFER_SIZE (buffer), GST_BUFFER_DURATION (buffer),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
if (vid->calculate_adjust_ts_aud) {
GstEvent *event;
GstPad *peerpad = NULL;
@ -561,7 +575,7 @@ gst_camerabin_video_create_elements (GstCameraBinVideo * vid)
}
/* Add probe for rewriting video timestamps */
gst_pad_add_buffer_probe (vid->tee_video_srcpad,
vid->vid_tee_probe_id = gst_pad_add_buffer_probe (vid->tee_video_srcpad,
G_CALLBACK (camerabin_video_pad_tee_src0_have_buffer), vid);
#ifdef USE_TIMEOVERLAY
@ -666,12 +680,12 @@ gst_camerabin_video_create_elements (GstCameraBinVideo * vid)
vid_srcpad = gst_element_get_static_pad (queue, "src");
gst_ghost_pad_set_target (GST_GHOST_PAD (vid->srcpad), vid_srcpad);
/* Never let video bin eos events reach view finder */
gst_pad_add_event_probe (vid_srcpad,
vid->vid_src_probe_id = gst_pad_add_event_probe (vid_srcpad,
G_CALLBACK (gst_camerabin_drop_eos_probe), vid);
gst_object_unref (vid_srcpad);
pad = gst_element_get_static_pad (vid->aud_src, "src");
gst_pad_add_buffer_probe (pad,
vid->aud_src_probe_id = gst_pad_add_buffer_probe (pad,
G_CALLBACK (camerabin_video_pad_aud_src_have_buffer), vid);
gst_object_unref (pad);
@ -700,6 +714,32 @@ gst_camerabin_video_destroy_elements (GstCameraBinVideo * vid)
{
GST_DEBUG ("destroying video elements");
/* Remove buffer probe from audio src pad */
if (vid->aud_src_probe_id) {
GstPad *pad = gst_element_get_static_pad (vid->aud_src, "src");
if (pad) {
gst_pad_remove_buffer_probe (pad, vid->aud_src_probe_id);
gst_object_unref (pad);
}
vid->aud_src_probe_id = 0;
}
/* Remove EOS event probe from videobin srcpad (queue's srcpad) */
if (vid->vid_src_probe_id) {
GstPad *pad = gst_ghost_pad_get_target (GST_GHOST_PAD (vid->srcpad));
if (pad) {
gst_pad_remove_event_probe (pad, vid->vid_src_probe_id);
gst_object_unref (pad);
}
vid->vid_src_probe_id = 0;
}
/* Remove buffer probe from video tee srcpad */
if (vid->vid_tee_probe_id) {
gst_pad_remove_buffer_probe (vid->tee_video_srcpad, vid->vid_tee_probe_id);
vid->vid_tee_probe_id = 0;
}
/* Release tee request pads */
if (vid->tee_video_srcpad) {
gst_element_release_request_pad (vid->tee, vid->tee_video_srcpad);

6
gst/camerabin/camerabinvideo.h
View file

@ -82,6 +82,12 @@ struct _GstCameraBinVideo
GstEvent *pending_eos;
/* Probe IDs */
gulong aud_src_probe_id;
gulong vid_src_probe_id;
gulong vid_tee_probe_id;
gulong vid_sink_probe_id;
gboolean mute;
};

4
gst/camerabin/gstcamerabin.c
View file

@ -1597,13 +1597,11 @@ gst_camerabin_start_video_recording (GstCameraBin * camera)
gst_camerabin_rewrite_tags (camera);
/* Pause the pipeline in order to distribute new clock in paused_to_playing */
/* audio src timestamps will be 0 without state change to READY. ??? */
gst_element_set_state (GST_ELEMENT (camera), GST_STATE_READY);
gst_element_set_locked_state (camera->vidbin, FALSE);
state_ret = gst_element_set_state (GST_ELEMENT (camera), GST_STATE_PAUSED);
if (state_ret != GST_STATE_CHANGE_FAILURE) {
g_mutex_lock (camera->capture_mutex);
gst_element_set_locked_state (camera->vidbin, FALSE);
g_object_set (G_OBJECT (camera->src_out_sel), "resend-latest", FALSE,
"active-pad", camera->pad_src_vid, NULL);