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camerabin2: Handle audio elements states

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Audio elements are put into bin only when needed, so we need
to be careful with their states as camerabin2 won't manage
them if they are outside the bin.

Also we should reset their pad's flushing status before
starting a new capture.
This commit is contained in:
Thiago Santos 2011-02-15 14:58:28 -03:00
parent bbfd1c73dd
commit fc9c9b0f24
1 changed files with 28 additions and 2 deletions
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30
gst/camerabin2/gstcamerabin2.c
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@ -202,10 +202,23 @@ gst_camera_bin_start_capture (GstCameraBin * camerabin)
gst_object_unref (active_pad);
}
if (camerabin->mode == MODE_VIDEO && camerabin->audio_src)
gst_element_set_state (camerabin->audio_src, GST_STATE_PLAYING);
if (camerabin->mode == MODE_VIDEO && camerabin->audio_src) {
gst_element_set_state (camerabin->audio_src, GST_STATE_READY);
/* need to reset eos status (pads could be flushing) */
gst_element_set_state (camerabin->audio_queue, GST_STATE_READY);
gst_element_set_state (camerabin->audio_convert, GST_STATE_READY);
gst_element_set_state (camerabin->audio_capsfilter, GST_STATE_READY);
gst_element_set_state (camerabin->audio_volume, GST_STATE_READY);
gst_element_sync_state_with_parent (camerabin->audio_queue);
gst_element_sync_state_with_parent (camerabin->audio_convert);
gst_element_sync_state_with_parent (camerabin->audio_capsfilter);
gst_element_sync_state_with_parent (camerabin->audio_volume);
}
g_signal_emit_by_name (camerabin->src, "start-capture", NULL);
if (camerabin->mode == MODE_VIDEO && camerabin->audio_src)
gst_element_set_state (camerabin->audio_src, GST_STATE_PLAYING);
}
static void
@ -992,11 +1005,24 @@ gst_camera_bin_change_state (GstElement * element, GstStateChange trans)
gst_element_set_state (camera->audio_src, GST_STATE_READY);
gst_tag_setter_reset_tags (GST_TAG_SETTER (camera));
/* explicitly set to READY as they might be outside of the bin */
gst_element_set_state (camera->audio_queue, GST_STATE_READY);
gst_element_set_state (camera->audio_volume, GST_STATE_READY);
gst_element_set_state (camera->audio_capsfilter, GST_STATE_READY);
gst_element_set_state (camera->audio_convert, GST_STATE_READY);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
gst_element_set_state (camera->videosink, GST_STATE_NULL);
if (camera->audio_src)
gst_element_set_state (camera->audio_src, GST_STATE_NULL);
/* explicitly set to NULL as they might be outside of the bin */
gst_element_set_state (camera->audio_queue, GST_STATE_NULL);
gst_element_set_state (camera->audio_volume, GST_STATE_NULL);
gst_element_set_state (camera->audio_capsfilter, GST_STATE_NULL);
gst_element_set_state (camera->audio_convert, GST_STATE_NULL);
break;
default:
break;