diff -r 4c282e7dd6d3 -r 5505e8908944 gst_plugins_good/gst/camerabin/camerabinvideo.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst_plugins_good/gst/camerabin/camerabinvideo.c Fri Jan 22 09:59:59 2010 +0200 @@ -0,0 +1,829 @@ +/* + * GStreamer + * Copyright (C) 2008 Nokia Corporation + * + * 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 + * + * + * + * + * The pipeline for this module is: + * + * + * + *----------------------------------------------------------------------------- + * audiosrc -> audio_queue -> audioconvert -> volume -> audioenc + * > videomux -> filesink + * video_queue -> [timeoverlay] -> videoenc + * -> [post proc] -> tee < + * queue -> + *----------------------------------------------------------------------------- + * + * + * + * The properties of elements are: + * + * queue - "leaky", 2 (Leaky on downstream (old buffers)) + * + * + * + */ + +/* + * includes + */ + + +#include +#include "camerabingeneral.h" + +#include "camerabinvideo.h" + +#ifdef __SYMBIAN32__ +#include +#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 \n" + "Nokia Corporation "); + +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; +}