--- a/gst_plugins_good/gst/camerabin/camerabinvideo.c Fri Jun 11 16:24:58 2010 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,829 +0,0 @@
-/*
- * GStreamer
- * Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/**
- * SECTION:camerabinvideo
- * @short_description: video recording module of #GstCameraBin
- *
- * <refsect2>
- * <para>
- *
- * The pipeline for this module is:
- *
- * <informalexample>
- * <programlisting>
- *-----------------------------------------------------------------------------
- * audiosrc -> audio_queue -> audioconvert -> volume -> audioenc
- * > videomux -> filesink
- * video_queue -> [timeoverlay] -> videoenc
- * -> [post proc] -> tee <
- * queue ->
- *-----------------------------------------------------------------------------
- * </programlisting>
- * </informalexample>
- *
- * The properties of elements are:
- *
- * queue - "leaky", 2 (Leaky on downstream (old buffers))
- *
- * </para>
- * </refsect2>
- */
-
-/*
- * includes
- */
-
-
-#include <gst/gst.h>
-#include "camerabingeneral.h"
-
-#include "camerabinvideo.h"
-
-#ifdef __SYMBIAN32__
-#include <glib_global.h>
-#endif
-/*
- * defines and static global vars
- */
-
-/* internal element names */
-
-#define DEFAULT_AUD_SRC "pulsesrc"
-#define DEFAULT_AUD_ENC "vorbisenc"
-#define DEFAULT_VID_ENC "theoraenc"
-#define DEFAULT_MUX "oggmux"
-#define DEFAULT_SINK "filesink"
-
-#define USE_AUDIO_CONVERSION 1
-
-enum
-{
- PROP_0,
- PROP_FILENAME
-};
-
-static void gst_camerabin_video_dispose (GstCameraBinVideo * sink);
-static void gst_camerabin_video_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_camerabin_video_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-static GstClock *gst_camerabin_video_provide_clock (GstElement * elem);
-static GstStateChangeReturn
-gst_camerabin_video_change_state (GstElement * element,
- GstStateChange transition);
-
-static
- gboolean camerabin_video_pad_tee_src0_have_buffer (GstPad * pad,
- GstBuffer * buffer, gpointer u_data);
-static gboolean camerabin_video_pad_aud_src_have_buffer (GstPad * pad,
- GstBuffer * buffer, gpointer u_data);
-static gboolean camerabin_video_sink_have_event (GstPad * pad, GstEvent * event,
- gpointer u_data);
-static gboolean gst_camerabin_video_create_elements (GstCameraBinVideo * vid);
-static void gst_camerabin_video_destroy_elements (GstCameraBinVideo * vid);
-
-GST_BOILERPLATE (GstCameraBinVideo, gst_camerabin_video, GstBin, GST_TYPE_BIN);
-
-static const GstElementDetails gst_camerabin_video_details =
-GST_ELEMENT_DETAILS ("Video capture bin for camerabin",
- "Bin/Video",
- "Process and store video data",
- "Edgard Lima <edgard.lima@indt.org.br>\n"
- "Nokia Corporation <multimedia@maemo.org>");
-
-static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS_ANY);
-
-static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS_ANY);
-
-
-/* GObject methods implementation */
-
-static void
-gst_camerabin_video_base_init (gpointer klass)
-{
- GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
-
- gst_element_class_add_pad_template (eklass,
- gst_static_pad_template_get (&sink_template));
- gst_element_class_add_pad_template (eklass,
- gst_static_pad_template_get (&src_template));
- gst_element_class_set_details (eklass, &gst_camerabin_video_details);
-}
-
-static void
-gst_camerabin_video_class_init (GstCameraBinVideoClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
-
- gobject_class = G_OBJECT_CLASS (klass);
- gobject_class->dispose =
- (GObjectFinalizeFunc) GST_DEBUG_FUNCPTR (gst_camerabin_video_dispose);
- eklass->change_state = GST_DEBUG_FUNCPTR (gst_camerabin_video_change_state);
-
- eklass->provide_clock = GST_DEBUG_FUNCPTR (gst_camerabin_video_provide_clock);
-
- gobject_class->set_property =
- GST_DEBUG_FUNCPTR (gst_camerabin_video_set_property);
- gobject_class->get_property =
- GST_DEBUG_FUNCPTR (gst_camerabin_video_get_property);
-
- /**
- * GstCameraBinVideo:filename:
- *
- * This property can be used to specify the filename of the video.
- *
- **/
- g_object_class_install_property (gobject_class, PROP_FILENAME,
- g_param_spec_string ("filename", "Filename",
- "Filename of the video to save", NULL, G_PARAM_READWRITE));
-}
-
-static void
-gst_camerabin_video_init (GstCameraBinVideo * vid,
- GstCameraBinVideoClass * g_class)
-{
- vid->filename = g_string_new ("");
-
- vid->user_post = NULL;
- vid->user_vid_enc = NULL;
- vid->user_aud_enc = NULL;
- vid->user_aud_src = NULL;
- vid->user_mux = NULL;
-
- vid->aud_src = NULL;
- vid->sink = NULL;
- vid->tee = NULL;
- vid->volume = NULL;
- vid->video_queue = NULL;
-
- vid->tee_video_srcpad = NULL;
- vid->tee_vf_srcpad = NULL;
-
- vid->pending_eos = NULL;
-
- /* 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);
-
- vid->srcpad = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC);
- gst_element_add_pad (GST_ELEMENT (vid), vid->srcpad);
-
- /* Add probe for handling eos when stopping recording */
- gst_pad_add_event_probe (vid->sinkpad,
- G_CALLBACK (camerabin_video_sink_have_event), vid);
-}
-
-static void
-gst_camerabin_video_dispose (GstCameraBinVideo * vid)
-{
- GST_DEBUG_OBJECT (vid, "disposing");
-
- g_string_free (vid->filename, TRUE);
- vid->filename = NULL;
-
- if (vid->user_post) {
- gst_object_unref (vid->user_post);
- vid->user_post = NULL;
- }
-
- if (vid->user_vid_enc) {
- gst_object_unref (vid->user_vid_enc);
- vid->user_vid_enc = NULL;
- }
-
- if (vid->user_aud_enc) {
- gst_object_unref (vid->user_aud_enc);
- vid->user_aud_enc = NULL;
- }
-
- if (vid->user_aud_src) {
- gst_object_unref (vid->user_aud_src);
- vid->user_aud_src = NULL;
- }
-
- if (vid->user_mux) {
- gst_object_unref (vid->user_mux);
- vid->user_mux = NULL;
- }
-
- G_OBJECT_CLASS (parent_class)->dispose ((GObject *) vid);
-}
-
-
-static void
-gst_camerabin_video_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- GstCameraBinVideo *bin = GST_CAMERABIN_VIDEO (object);
-
- switch (prop_id) {
- case PROP_FILENAME:
- g_string_assign (bin->filename, g_value_get_string (value));
- if (bin->sink) {
- g_object_set (G_OBJECT (bin->sink), "location", bin->filename->str,
- NULL);
- } else {
- GST_INFO ("no sink, not setting name yet");
- }
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_camerabin_video_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec)
-{
- GstCameraBinVideo *bin = GST_CAMERABIN_VIDEO (object);
-
- switch (prop_id) {
- case PROP_FILENAME:
- g_value_set_string (value, bin->filename->str);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-/* GstElement methods implementation */
-
-static GstClock *
-gst_camerabin_video_provide_clock (GstElement * elem)
-{
- GstElement *aud_src = GST_CAMERABIN_VIDEO (elem)->aud_src;
- if (aud_src) {
- return gst_element_provide_clock (aud_src);
- } else {
- return NULL;
- }
-}
-
-static GstStateChangeReturn
-gst_camerabin_video_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
- GstCameraBinVideo *vid = GST_CAMERABIN_VIDEO (element);
-
- switch (transition) {
- case GST_STATE_CHANGE_NULL_TO_READY:
- if (!gst_camerabin_video_create_elements (vid)) {
- return GST_STATE_CHANGE_FAILURE;
- }
- /* Don't change sink to READY yet to allow changing the
- filename in READY state. */
- gst_element_set_locked_state (vid->sink, TRUE);
- break;
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- vid->calculate_adjust_ts_video = TRUE;
- vid->calculate_adjust_ts_aud = TRUE;
- g_object_set (G_OBJECT (vid->sink), "async", FALSE, NULL);
- gst_element_set_locked_state (vid->sink, FALSE);
- break;
- case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
- vid->calculate_adjust_ts_video = TRUE;
- vid->calculate_adjust_ts_aud = TRUE;
- break;
-
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- /* Set sink to NULL in order to write the file _now_ */
- GST_INFO ("write vid file: %s", vid->filename->str);
- gst_element_set_locked_state (vid->sink, TRUE);
- gst_element_set_state (vid->sink, GST_STATE_NULL);
- break;
- default:
- break;
- }
-
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
- if (vid->pending_eos) {
- /* Video bin is still paused, so push eos directly to video queue */
- GST_DEBUG_OBJECT (vid, "pushing pending eos");
- gst_pad_push_event (vid->tee_video_srcpad, vid->pending_eos);
- vid->pending_eos = NULL;
- }
- break;
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- /* Reset counters related to timestamp rewriting */
- vid->adjust_ts_video = 0;
- vid->last_ts_video = 0;
- vid->adjust_ts_aud = 0;
- vid->last_ts_aud = 0;
-
- if (vid->pending_eos) {
- gst_event_unref (vid->pending_eos);
- vid->pending_eos = NULL;
- }
- break;
- case GST_STATE_CHANGE_READY_TO_NULL:
- gst_camerabin_video_destroy_elements (vid);
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-/*
- * static helper functions implementation
- */
-
-/**
- * camerabin_video_pad_tee_src0_have_buffer:
- * @pad: tee src pad leading to video encoding
- * @event: received buffer
- * @u_data: video bin object
- *
- * Buffer probe for rewriting video buffer timestamps.
- *
- * Returns: TRUE always
- */
-static gboolean
-camerabin_video_pad_tee_src0_have_buffer (GstPad * pad, GstBuffer * buffer,
- gpointer u_data)
-{
- GstCameraBinVideo *vid = (GstCameraBinVideo *) u_data;
-
- GST_LOG ("buffer in with size %d ts %" GST_TIME_FORMAT,
- GST_BUFFER_SIZE (buffer), GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
-
- if (G_UNLIKELY (vid->calculate_adjust_ts_video)) {
- GstEvent *event;
- GstObject *tee;
- GstPad *sinkpad;
- vid->adjust_ts_video = GST_BUFFER_TIMESTAMP (buffer) - vid->last_ts_video;
- vid->calculate_adjust_ts_video = FALSE;
- event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
- 0, GST_CLOCK_TIME_NONE, vid->last_ts_video);
- /* Send the newsegment to both view finder and video bin */
- tee = gst_pad_get_parent (pad);
- sinkpad = gst_element_get_static_pad (GST_ELEMENT (tee), "sink");
- gst_pad_send_event (sinkpad, event);
- gst_object_unref (tee);
- gst_object_unref (sinkpad);
- GST_LOG_OBJECT (vid, "vid ts adjustment: %" GST_TIME_FORMAT,
- GST_TIME_ARGS (vid->adjust_ts_video));
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
- }
- GST_BUFFER_TIMESTAMP (buffer) -= vid->adjust_ts_video;
- vid->last_ts_video = GST_BUFFER_TIMESTAMP (buffer);
- if (GST_BUFFER_DURATION_IS_VALID (buffer))
- vid->last_ts_video += GST_BUFFER_DURATION (buffer);
-
-
- GST_LOG ("buffer out with size %d ts %" GST_TIME_FORMAT,
- GST_BUFFER_SIZE (buffer), GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
- return TRUE;
-}
-
-/**
- * camerabin_video_pad_aud_src_have_buffer:
- * @pad: audio source src pad
- * @event: received buffer
- * @u_data: video bin object
- *
- * Buffer probe for rewriting audio buffer timestamps.
- *
- * Returns: TRUE always
- */
-static gboolean
-camerabin_video_pad_aud_src_have_buffer (GstPad * pad, GstBuffer * buffer,
- gpointer u_data)
-{
- GstCameraBinVideo *vid = (GstCameraBinVideo *) u_data;
-
- if (vid->calculate_adjust_ts_aud) {
- GstEvent *event;
- GstPad *peerpad = NULL;
- vid->adjust_ts_aud = GST_BUFFER_TIMESTAMP (buffer) - vid->last_ts_aud;
- vid->calculate_adjust_ts_aud = FALSE;
- event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
- 0, GST_CLOCK_TIME_NONE, vid->last_ts_aud);
- peerpad = gst_pad_get_peer (pad);
- if (peerpad) {
- gst_pad_send_event (peerpad, event);
- gst_object_unref (peerpad);
- }
- GST_LOG_OBJECT (vid, "aud ts adjustment: %" GST_TIME_FORMAT,
- GST_TIME_ARGS (vid->adjust_ts_aud));
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
- }
- GST_BUFFER_TIMESTAMP (buffer) -= vid->adjust_ts_aud;
- vid->last_ts_aud = GST_BUFFER_TIMESTAMP (buffer);
- if (GST_BUFFER_DURATION_IS_VALID (buffer))
- vid->last_ts_aud += GST_BUFFER_DURATION (buffer);
- GST_LOG ("buffer out with size %d ts %" GST_TIME_FORMAT,
- GST_BUFFER_SIZE (buffer), GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
- return TRUE;
-}
-
-/**
- * camerabin_video_sink_have_event:
- * @pad: video bin sink pad
- * @event: received event
- * @u_data: video bin object
- *
- * Event probe for video bin eos handling.
- * Copies the eos event to audio branch of video bin.
- *
- * Returns: FALSE to drop the event, TRUE otherwise
- */
-static gboolean
-camerabin_video_sink_have_event (GstPad * pad, GstEvent * event,
- gpointer u_data)
-{
- GstCameraBinVideo *vid = (GstCameraBinVideo *) u_data;
- gboolean ret = TRUE;
-
- GST_DEBUG_OBJECT (vid, "got videobin sink event: %s",
- GST_EVENT_TYPE_NAME (event));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- if (vid->aud_src) {
- GST_DEBUG_OBJECT (vid, "copying %s to audio branch",
- GST_EVENT_TYPE_NAME (event));
- gst_element_send_event (vid->aud_src, gst_event_copy (event));
- }
-
- /* If we're paused, we can't pass eos to video now to avoid blocking.
- Instead send eos when changing to playing next time. */
- if (GST_STATE (GST_ELEMENT (vid)) == GST_STATE_PAUSED) {
- GST_DEBUG_OBJECT (vid, "paused, delay eos sending");
- vid->pending_eos = gst_event_ref (event);
- ret = FALSE; /* Drop the event */
- }
- break;
- default:
- break;
- }
- return ret;
-}
-
-/**
- * gst_camerabin_video_create_elements:
- * @vid: a pointer to #GstCameraBinVideo
- *
- * This function creates the needed #GstElements and resources to record videos.
- * Use gst_camerabin_video_destroy_elements() to free these resources.
- *
- * Returns: %TRUE if succeeded or FALSE if failed
- */
-static gboolean
-gst_camerabin_video_create_elements (GstCameraBinVideo * vid)
-{
- GstPad *pad = NULL, *vid_sinkpad = NULL, *vid_srcpad = NULL;
- GstBin *vidbin = GST_BIN (vid);
- GstElement *queue = NULL;
-
- vid->adjust_ts_video = 0;
- vid->last_ts_video = 0;
- vid->calculate_adjust_ts_video = FALSE;
-
- vid->adjust_ts_aud = 0;
- vid->last_ts_aud = 0;
- vid->calculate_adjust_ts_aud = FALSE;
-
- /* Add video post processing element if any */
- if (vid->user_post) {
- if (!gst_camerabin_add_element (vidbin, vid->user_post)) {
- goto error;
- }
- vid_sinkpad = gst_element_get_static_pad (vid->user_post, "sink");
- }
-
- /* Add tee element */
- if (!(vid->tee = gst_camerabin_create_and_add_element (vidbin, "tee"))) {
- goto error;
- }
-
- /* Set up sink ghost pad for video bin */
- if (!vid_sinkpad) {
- vid_sinkpad = gst_element_get_static_pad (vid->tee, "sink");
- }
- gst_ghost_pad_set_target (GST_GHOST_PAD (vid->sinkpad), vid_sinkpad);
-
-
- /* Add queue element for video */
- vid->tee_video_srcpad = gst_element_get_request_pad (vid->tee, "src%d");
- if (!(vid->video_queue =
- gst_camerabin_create_and_add_element (vidbin, "queue"))) {
- goto error;
- }
-
- /* Add probe for rewriting video timestamps */
- gst_pad_add_buffer_probe (vid->tee_video_srcpad,
- G_CALLBACK (camerabin_video_pad_tee_src0_have_buffer), vid);
-
-
-#ifdef USE_TIMEOVERLAY
- /* Add timeoverlay element to visualize elapsed time for debugging */
- if (!(gst_camerabin_create_and_add_element (vidbin, "timeoverlay"))) {
- goto error;
- }
-#endif
-
- /* Add user set or default video encoder element */
- if (vid->user_vid_enc) {
- vid->vid_enc = vid->user_vid_enc;
- if (!gst_camerabin_add_element (vidbin, vid->vid_enc)) {
- goto error;
- }
- } else if (!(vid->vid_enc =
- gst_camerabin_create_and_add_element (vidbin, DEFAULT_VID_ENC))) {
- goto error;
- }
-
- /* Add user set or default muxer element */
- if (vid->user_mux) {
- vid->muxer = vid->user_mux;
- if (!gst_camerabin_add_element (vidbin, vid->muxer)) {
- goto error;
- }
- } else if (!(vid->muxer =
- gst_camerabin_create_and_add_element (vidbin, DEFAULT_MUX))) {
- goto error;
- }
-
- /* Add sink element for storing the video */
- if (!(vid->sink =
- gst_camerabin_create_and_add_element (vidbin, DEFAULT_SINK))) {
- goto error;
- }
- g_object_set (G_OBJECT (vid->sink), "location", vid->filename->str, NULL);
-
-
- /* Add user set or default audio source element */
- if (vid->user_aud_src) {
- vid->aud_src = vid->user_aud_src;
- if (!gst_camerabin_add_element (vidbin, vid->aud_src)) {
- goto error;
- }
- } else if (!(vid->aud_src =
- gst_camerabin_create_and_add_element (vidbin, DEFAULT_AUD_SRC))) {
- goto error;
- }
-
- /* Add queue element for audio */
- if (!(queue = gst_camerabin_create_and_add_element (vidbin, "queue"))) {
- goto error;
- }
- queue = NULL;
-
- /* Add optional audio conversion and volume elements and
- raise no errors if adding them fails */
-#ifdef USE_AUDIO_CONVERSION
- if (!gst_camerabin_try_add_element (vidbin,
- gst_element_factory_make ("audioconvert", NULL))) {
- GST_WARNING_OBJECT (vid, "unable to add audio conversion element");
- /* gst_camerabin_try_add_element() destroyed the element */
- }
-#endif
- vid->volume = gst_element_factory_make ("volume", NULL);
- if (!gst_camerabin_try_add_element (vidbin, vid->volume)) {
- GST_WARNING_OBJECT (vid, "unable to add volume element");
- /* gst_camerabin_try_add_element() destroyed the element */
- vid->volume = NULL;
- }
-
- /* Add user set or default audio encoder element */
- if (vid->user_aud_enc) {
- vid->aud_enc = vid->user_aud_enc;
- if (!gst_camerabin_add_element (vidbin, vid->aud_enc)) {
- goto error;
- }
- } else if (!(vid->aud_enc =
- gst_camerabin_create_and_add_element (vidbin, DEFAULT_AUD_ENC))) {
- goto error;
- }
-
- /* Link audio part to the muxer */
- if (!gst_element_link (vid->aud_enc, vid->muxer)) {
- GST_ELEMENT_ERROR (vid, CORE, NEGOTIATION, (NULL),
- ("linking audio encoder and muxer failed"));
- goto error;
- }
-
- /* Add queue leading out of the video bin and to view finder */
- vid->tee_vf_srcpad = gst_element_get_request_pad (vid->tee, "src%d");
- if (!(queue = gst_camerabin_create_and_add_element (vidbin, "queue"))) {
- goto error;
- }
- /* Set queue leaky, we don't want to block video encoder feed, but
- prefer leaking view finder buffers instead. */
- g_object_set (G_OBJECT (queue), "leaky", 2, NULL);
-
- /* Set up src ghost pad for video bin */
- 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,
- G_CALLBACK (gst_camerabin_drop_eos_probe), vid);
-
- pad = gst_element_get_static_pad (vid->aud_src, "src");
- gst_pad_add_buffer_probe (pad,
- G_CALLBACK (camerabin_video_pad_aud_src_have_buffer), vid);
- gst_object_unref (pad);
-
- GST_DEBUG ("created video elements");
-
- return TRUE;
-
-error:
-
- gst_camerabin_video_destroy_elements (vid);
-
- return FALSE;
-
-}
-
-/**
- * gst_camerabin_video_destroy_elements:
- * @vid: a pointer to #GstCameraBinVideo
- *
- * This function destroys all the elements created by
- * gst_camerabin_video_create_elements().
- *
- */
-static void
-gst_camerabin_video_destroy_elements (GstCameraBinVideo * vid)
-{
- GST_DEBUG ("destroying video elements");
-
- /* Release tee request pads */
- if (vid->tee_video_srcpad) {
- gst_element_release_request_pad (vid->tee, vid->tee_video_srcpad);
- vid->tee_video_srcpad = NULL;
- }
- if (vid->tee_vf_srcpad) {
- gst_element_release_request_pad (vid->tee, vid->tee_vf_srcpad);
- vid->tee_vf_srcpad = NULL;
- }
-
- gst_ghost_pad_set_target (GST_GHOST_PAD (vid->sinkpad), NULL);
- gst_ghost_pad_set_target (GST_GHOST_PAD (vid->srcpad), NULL);
-
- gst_camerabin_remove_elements_from_bin (GST_BIN (vid));
-
- vid->aud_src = NULL;
- vid->sink = NULL;
- vid->tee = NULL;
- vid->volume = NULL;
- vid->video_queue = NULL;
- vid->vid_enc = NULL;
- vid->aud_enc = NULL;
- vid->muxer = NULL;
-
- if (vid->pending_eos) {
- gst_event_unref (vid->pending_eos);
- vid->pending_eos = NULL;
- }
-
- return;
-}
-
-/*
- * Set & get mute and video capture elements
- */
-
-void
-gst_camerabin_video_set_mute (GstCameraBinVideo * vid, gboolean mute)
-{
- if (vid && vid->volume) {
- GST_DEBUG_OBJECT (vid, "setting mute %s", mute ? "on" : "off");
- g_object_set (vid->volume, "mute", mute, NULL);
- }
-}
-
-void
-gst_camerabin_video_set_post (GstCameraBinVideo * vid, GstElement * post)
-{
- GstElement **user_post;
- GST_DEBUG_OBJECT (vid, "setting video post processing: %" GST_PTR_FORMAT,
- post);
- GST_OBJECT_LOCK (vid);
- user_post = &vid->user_post;
- gst_object_replace ((GstObject **) user_post, GST_OBJECT (post));
- GST_OBJECT_UNLOCK (vid);
-}
-
-void
-gst_camerabin_video_set_video_enc (GstCameraBinVideo * vid,
- GstElement * video_enc)
-{
- GstElement **user_vid_enc;
- GST_DEBUG_OBJECT (vid, "setting video encoder: %" GST_PTR_FORMAT, video_enc);
- GST_OBJECT_LOCK (vid);
- user_vid_enc = &vid->user_vid_enc;
- gst_object_replace ((GstObject **) user_vid_enc, GST_OBJECT (video_enc));
- GST_OBJECT_UNLOCK (vid);
-}
-
-void
-gst_camerabin_video_set_audio_enc (GstCameraBinVideo * vid,
- GstElement * audio_enc)
-{
- GstElement **user_aud_enc;
- GST_DEBUG_OBJECT (vid, "setting audio encoder: %" GST_PTR_FORMAT, audio_enc);
- GST_OBJECT_LOCK (vid);
- user_aud_enc = &vid->user_aud_enc;
- gst_object_replace ((GstObject **) user_aud_enc, GST_OBJECT (audio_enc));
- GST_OBJECT_UNLOCK (vid);
-}
-
-void
-gst_camerabin_video_set_muxer (GstCameraBinVideo * vid, GstElement * muxer)
-{
- GstElement **user_mux;
- GST_DEBUG_OBJECT (vid, "setting muxer: %" GST_PTR_FORMAT, muxer);
- GST_OBJECT_LOCK (vid);
- user_mux = &vid->user_mux;
- gst_object_replace ((GstObject **) user_mux, GST_OBJECT (muxer));
- GST_OBJECT_UNLOCK (vid);
-}
-
-void
-gst_camerabin_video_set_audio_src (GstCameraBinVideo * vid,
- GstElement * audio_src)
-{
- GstElement **user_aud_src;
- GST_DEBUG_OBJECT (vid, "setting audio source: %" GST_PTR_FORMAT, audio_src);
- GST_OBJECT_LOCK (vid);
- user_aud_src = &vid->user_aud_src;
- gst_object_replace ((GstObject **) user_aud_src, GST_OBJECT (audio_src));
- GST_OBJECT_UNLOCK (vid);
-}
-
-gboolean
-gst_camerabin_video_get_mute (GstCameraBinVideo * vid)
-{
- gboolean mute = ARG_DEFAULT_MUTE;
-
- if (vid && vid->volume) {
- g_object_get (vid->volume, "mute", &mute, NULL);
- }
- return mute;
-}
-
-GstElement *
-gst_camerabin_video_get_post (GstCameraBinVideo * vid)
-{
- return vid->user_post;
-}
-
-GstElement *
-gst_camerabin_video_get_video_enc (GstCameraBinVideo * vid)
-{
- return vid->vid_enc ? vid->vid_enc : vid->user_vid_enc;
-}
-
-GstElement *
-gst_camerabin_video_get_audio_enc (GstCameraBinVideo * vid)
-{
- return vid->aud_enc ? vid->aud_enc : vid->user_aud_enc;
-}
-
-GstElement *
-gst_camerabin_video_get_muxer (GstCameraBinVideo * vid)
-{
- return vid->muxer ? vid->muxer : vid->user_mux;
-}
-
-GstElement *
-gst_camerabin_video_get_audio_src (GstCameraBinVideo * vid)
-{
- return vid->aud_src ? vid->aud_src : vid->user_aud_src;
-}