[asterisk-commits] mjordan: branch mjordan/cdrs-of-doom r386329 - in /team/mjordan/cdrs-of-doom:...

SVN commits to the Asterisk project asterisk-commits at lists.digium.com
Mon Apr 22 17:26:56 CDT 2013


Author: mjordan
Date: Mon Apr 22 17:26:53 2013
New Revision: 386329

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=386329
Log:
Finish the merge from hell

A git, a git, my kingdom for a git

Added:
    team/mjordan/cdrs-of-doom/res/res_stasis_http.c   (with props)
    team/mjordan/cdrs-of-doom/res/res_stasis_http.exports.in   (with props)
    team/mjordan/cdrs-of-doom/res/res_stasis_http_asterisk.c   (with props)
    team/mjordan/cdrs-of-doom/res/res_stasis_http_bridges.c   (with props)
    team/mjordan/cdrs-of-doom/res/res_stasis_http_channels.c   (with props)
    team/mjordan/cdrs-of-doom/res/res_stasis_http_endpoints.c   (with props)
    team/mjordan/cdrs-of-doom/res/res_stasis_http_events.c   (with props)
    team/mjordan/cdrs-of-doom/res/res_stasis_http_playback.c   (with props)
    team/mjordan/cdrs-of-doom/res/res_stasis_http_recordings.c   (with props)
    team/mjordan/cdrs-of-doom/res/res_stasis_http_sounds.c   (with props)
Removed:
    team/mjordan/cdrs-of-doom/bridges/bridge_multiplexed.c
Modified:
    team/mjordan/cdrs-of-doom/apps/app_channelredirect.c
    team/mjordan/cdrs-of-doom/bridges/bridge_simple.c
    team/mjordan/cdrs-of-doom/bridges/bridge_softmix.c
    team/mjordan/cdrs-of-doom/channels/chan_agent.c
    team/mjordan/cdrs-of-doom/funcs/func_frame_trace.c
    team/mjordan/cdrs-of-doom/include/asterisk/_private.h
    team/mjordan/cdrs-of-doom/include/asterisk/astobj2.h
    team/mjordan/cdrs-of-doom/include/asterisk/bridging_features.h
    team/mjordan/cdrs-of-doom/include/asterisk/bridging_technology.h
    team/mjordan/cdrs-of-doom/include/asterisk/channel.h
    team/mjordan/cdrs-of-doom/include/asterisk/frame.h
    team/mjordan/cdrs-of-doom/include/asterisk/http.h
    team/mjordan/cdrs-of-doom/include/asterisk/json.h
    team/mjordan/cdrs-of-doom/include/asterisk/manager.h
    team/mjordan/cdrs-of-doom/include/asterisk/stasis_app.h
    team/mjordan/cdrs-of-doom/include/asterisk/strings.h
    team/mjordan/cdrs-of-doom/main/asterisk.c
    team/mjordan/cdrs-of-doom/main/astobj2.c
    team/mjordan/cdrs-of-doom/main/channel.c
    team/mjordan/cdrs-of-doom/main/channel_internal_api.c
    team/mjordan/cdrs-of-doom/main/features.c
    team/mjordan/cdrs-of-doom/main/json.c
    team/mjordan/cdrs-of-doom/main/manager.c

Modified: team/mjordan/cdrs-of-doom/apps/app_channelredirect.c
URL: http://svnview.digium.com/svn/asterisk/team/mjordan/cdrs-of-doom/apps/app_channelredirect.c?view=diff&rev=386329&r1=386328&r2=386329
==============================================================================
--- team/mjordan/cdrs-of-doom/apps/app_channelredirect.c (original)
+++ team/mjordan/cdrs-of-doom/apps/app_channelredirect.c Mon Apr 22 17:26:53 2013
@@ -96,10 +96,6 @@
 		return 0;
 	}
 
-	if (ast_channel_pbx(chan2)) {
-		ast_set_flag(ast_channel_flags(chan2), AST_FLAG_BRIDGE_HANGUP_DONT); /* don't let the after-bridge code run the h-exten */
-	}
-
 	res = ast_async_parseable_goto(chan2, args.label);
 
 	chan2 = ast_channel_unref(chan2);

Modified: team/mjordan/cdrs-of-doom/bridges/bridge_simple.c
URL: http://svnview.digium.com/svn/asterisk/team/mjordan/cdrs-of-doom/bridges/bridge_simple.c?view=diff&rev=386329&r1=386328&r2=386329
==============================================================================
--- team/mjordan/cdrs-of-doom/bridges/bridge_simple.c (original)
+++ team/mjordan/cdrs-of-doom/bridges/bridge_simple.c Mon Apr 22 17:26:53 2013
@@ -66,31 +66,30 @@
 	return ast_channel_make_compatible(c0, c1);
 }
 
-static enum ast_bridge_write_result simple_bridge_write(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, struct ast_frame *frame)
+static int simple_bridge_write(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, struct ast_frame *frame)
 {
 	struct ast_bridge_channel *other;
 
 	/* If this is the only channel in this bridge then immediately exit */
 	if (AST_LIST_FIRST(&bridge->channels) == AST_LIST_LAST(&bridge->channels)) {
-		return AST_BRIDGE_WRITE_FAILED;
+		return -1;
 	}
 
 	/* Find the channel we actually want to write to */
-	if (!(other = (AST_LIST_FIRST(&bridge->channels) == bridge_channel ? AST_LIST_LAST(&bridge->channels) : AST_LIST_FIRST(&bridge->channels)))) {
-		return AST_BRIDGE_WRITE_FAILED;
+	other = AST_LIST_FIRST(&bridge->channels);
+	if (other == bridge_channel) {
+		other = AST_LIST_LAST(&bridge->channels);
 	}
 
-	/* Write the frame out if they are in the waiting state... don't worry about freeing it, the bridging core will take care of it */
-	if (other->state == AST_BRIDGE_CHANNEL_STATE_WAIT) {
-		ast_write(other->chan, frame);
-	}
+	/* The bridging core takes care of freeing the passed in frame. */
+	ast_bridge_channel_queue_frame(other, frame);
 
-	return AST_BRIDGE_WRITE_SUCCESS;
+	return 0;
 }
 
 static struct ast_bridge_technology simple_bridge = {
 	.name = "simple_bridge",
-	.capabilities = AST_BRIDGE_CAPABILITY_1TO1MIX | AST_BRIDGE_CAPABILITY_THREAD,
+	.capabilities = AST_BRIDGE_CAPABILITY_1TO1MIX,
 	.preference = AST_BRIDGE_PREFERENCE_MEDIUM,
 	.join = simple_bridge_join,
 	.write = simple_bridge_write,

Modified: team/mjordan/cdrs-of-doom/bridges/bridge_softmix.c
URL: http://svnview.digium.com/svn/asterisk/team/mjordan/cdrs-of-doom/bridges/bridge_softmix.c?view=diff&rev=386329&r1=386328&r2=386329
==============================================================================
--- team/mjordan/cdrs-of-doom/bridges/bridge_softmix.c (original)
+++ team/mjordan/cdrs-of-doom/bridges/bridge_softmix.c Mon Apr 22 17:26:53 2013
@@ -100,13 +100,15 @@
 	struct ast_frame read_frame;
 	/*! DSP for detecting silence */
 	struct ast_dsp *dsp;
-	/*! Bit used to indicate if a channel is talking or not. This affects how
-	 * the channel's audio is mixed back to it. */
-	int talking:1;
-	/*! Bit used to indicate that the channel provided audio for this mixing interval */
-	int have_audio:1;
-	/*! Bit used to indicate that a frame is available to be written out to the channel */
-	int have_frame:1;
+	/*!
+	 * \brief TRUE if a channel is talking.
+	 *
+	 * \note This affects how the channel's audio is mixed back to
+	 * it.
+	 */
+	unsigned int talking:1;
+	/*! TRUE if the channel provided audio for this mixing interval */
+	unsigned int have_audio:1;
 	/*! Buffer containing final mixed audio from all sources */
 	short final_buf[MAX_DATALEN];
 	/*! Buffer containing only the audio from the channel */
@@ -117,28 +119,36 @@
 
 struct softmix_bridge_data {
 	struct ast_timer *timer;
+	/*! Lock for signaling the mixing thread. */
+	ast_mutex_t lock;
+	/*! Condition, used if we need to wake up the mixing thread. */
+	ast_cond_t cond;
+	/*! Thread handling the mixing */
+	pthread_t thread;
 	unsigned int internal_rate;
 	unsigned int internal_mixing_interval;
+	/*! TRUE if the mixing thread should stop */
+	unsigned int stop:1;
 };
 
 struct softmix_stats {
-		/*! Each index represents a sample rate used above the internal rate. */
-		unsigned int sample_rates[16];
-		/*! Each index represents the number of channels using the same index in the sample_rates array.  */
-		unsigned int num_channels[16];
-		/*! the number of channels above the internal sample rate */
-		unsigned int num_above_internal_rate;
-		/*! the number of channels at the internal sample rate */
-		unsigned int num_at_internal_rate;
-		/*! the absolute highest sample rate supported by any channel in the bridge */
-		unsigned int highest_supported_rate;
-		/*! Is the sample rate locked by the bridge, if so what is that rate.*/
-		unsigned int locked_rate;
+	/*! Each index represents a sample rate used above the internal rate. */
+	unsigned int sample_rates[16];
+	/*! Each index represents the number of channels using the same index in the sample_rates array.  */
+	unsigned int num_channels[16];
+	/*! the number of channels above the internal sample rate */
+	unsigned int num_above_internal_rate;
+	/*! the number of channels at the internal sample rate */
+	unsigned int num_at_internal_rate;
+	/*! the absolute highest sample rate supported by any channel in the bridge */
+	unsigned int highest_supported_rate;
+	/*! Is the sample rate locked by the bridge, if so what is that rate.*/
+	unsigned int locked_rate;
 };
 
 struct softmix_mixing_array {
-	int max_num_entries;
-	int used_entries;
+	unsigned int max_num_entries;
+	unsigned int used_entries;
 	int16_t **buffers;
 };
 
@@ -213,7 +223,7 @@
 /*!
  * \internal
  * \brief Get the next available audio on the softmix channel's read stream
- * and determine if it should be mixed out or not on the write stream. 
+ * and determine if it should be mixed out or not on the write stream.
  *
  * \retval pointer to buffer containing the exact number of samples requested on success.
  * \retval NULL if no samples are present
@@ -295,54 +305,9 @@
 	}
 }
 
-static void softmix_bridge_data_destroy(void *obj)
-{
-	struct softmix_bridge_data *softmix_data = obj;
-
-	if (softmix_data->timer) {
-		ast_timer_close(softmix_data->timer);
-		softmix_data->timer = NULL;
-	}
-}
-
-/*! \brief Function called when a bridge is created */
-static int softmix_bridge_create(struct ast_bridge *bridge)
-{
-	struct softmix_bridge_data *softmix_data;
-
-	if (!(softmix_data = ao2_alloc(sizeof(*softmix_data), softmix_bridge_data_destroy))) {
-		return -1;
-	}
-	if (!(softmix_data->timer = ast_timer_open())) {
-		ao2_ref(softmix_data, -1);
-		return -1;
-	}
-
-	/* start at 8khz, let it grow from there */
-	softmix_data->internal_rate = 8000;
-	softmix_data->internal_mixing_interval = DEFAULT_SOFTMIX_INTERVAL;
-
-	bridge->bridge_pvt = softmix_data;
-	return 0;
-}
-
-/*! \brief Function called when a bridge is destroyed */
-static int softmix_bridge_destroy(struct ast_bridge *bridge)
-{
-	struct softmix_bridge_data *softmix_data;
-
-	softmix_data = bridge->bridge_pvt;
-	if (!softmix_data) {
-		return -1;
-	}
-	ao2_ref(softmix_data, -1);
-	bridge->bridge_pvt = NULL;
-	return 0;
-}
-
 static void set_softmix_bridge_data(int rate, int interval, struct ast_bridge_channel *bridge_channel, int reset)
 {
-	struct softmix_channel *sc = bridge_channel->bridge_pvt;
+	struct softmix_channel *sc = bridge_channel->tech_pvt;
 	unsigned int channel_read_rate = ast_format_rate(ast_channel_rawreadformat(bridge_channel->chan));
 
 	ast_mutex_lock(&sc->lock);
@@ -382,39 +347,89 @@
 	ast_mutex_unlock(&sc->lock);
 }
 
+/*!
+ * \internal
+ * \brief Poke the mixing thread in case it is waiting for an active channel.
+ * \since 12.0.0
+ *
+ * \param softmix_data Bridge mixing data.
+ *
+ * \return Nothing
+ */
+static void softmix_poke_thread(struct softmix_bridge_data *softmix_data)
+{
+	ast_mutex_lock(&softmix_data->lock);
+	ast_cond_signal(&softmix_data->cond);
+	ast_mutex_unlock(&softmix_data->lock);
+}
+
+/*! \brief Function called when a channel is unsuspended from the bridge */
+static void softmix_bridge_unsuspend(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel)
+{
+	if (bridge->tech_pvt) {
+		softmix_poke_thread(bridge->tech_pvt);
+	}
+}
+
+/*!
+ * \internal
+ * \brief Indicate a source change to the channel.
+ * \since 12.0.0
+ *
+ * \param bridge_channel Which channel source is changing.
+ *
+ * \return Nothing
+ */
+static void softmix_src_change(struct ast_bridge_channel *bridge_channel)
+{
+	ast_bridge_channel_queue_control_data(bridge_channel, AST_CONTROL_SRCCHANGE, NULL, 0);
+}
+
 /*! \brief Function called when a channel is joined into the bridge */
 static int softmix_bridge_join(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel)
 {
 	struct softmix_channel *sc;
-	struct softmix_bridge_data *softmix_data = bridge->bridge_pvt;
+	struct softmix_bridge_data *softmix_data;
+
+	softmix_data = bridge->tech_pvt;
+	if (!softmix_data) {
+		return -1;
+	}
 
 	/* Create a new softmix_channel structure and allocate various things on it */
 	if (!(sc = ast_calloc(1, sizeof(*sc)))) {
 		return -1;
 	}
 
+	softmix_src_change(bridge_channel);
+
 	/* Can't forget the lock */
 	ast_mutex_init(&sc->lock);
 
 	/* Can't forget to record our pvt structure within the bridged channel structure */
-	bridge_channel->bridge_pvt = sc;
+	bridge_channel->tech_pvt = sc;
 
 	set_softmix_bridge_data(softmix_data->internal_rate,
-		softmix_data->internal_mixing_interval ? softmix_data->internal_mixing_interval : DEFAULT_SOFTMIX_INTERVAL,
+		softmix_data->internal_mixing_interval
+			? softmix_data->internal_mixing_interval
+			: DEFAULT_SOFTMIX_INTERVAL,
 		bridge_channel, 0);
 
+	softmix_poke_thread(softmix_data);
 	return 0;
 }
 
 /*! \brief Function called when a channel leaves the bridge */
-static int softmix_bridge_leave(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel)
-{
-	struct softmix_channel *sc = bridge_channel->bridge_pvt;
-
-	if (!(bridge_channel->bridge_pvt)) {
-		return 0;
-	}
-	bridge_channel->bridge_pvt = NULL;
+static void softmix_bridge_leave(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel)
+{
+	struct softmix_channel *sc = bridge_channel->tech_pvt;
+
+	if (!sc) {
+		return;
+	}
+	bridge_channel->tech_pvt = NULL;
+
+	softmix_src_change(bridge_channel);
 
 	/* Drop mutex lock */
 	ast_mutex_destroy(&sc->lock);
@@ -427,111 +442,122 @@
 
 	/* Eep! drop ourselves */
 	ast_free(sc);
-
-	return 0;
 }
 
 /*!
  * \internal
- * \brief If the bridging core passes DTMF to us, then they want it to be distributed out to all memebers. Do that here.
- */
-static void softmix_pass_dtmf(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, struct ast_frame *frame)
-{
-	struct ast_bridge_channel *tmp;
-	AST_LIST_TRAVERSE(&bridge->channels, tmp, entry) {
-		if (tmp == bridge_channel) {
+ * \brief Pass the given frame to everyone else.
+ * \since 12.0.0
+ *
+ * \param bridge What bridge to distribute frame.
+ * \param bridge_channel Channel to optionally not pass frame to. (NULL to pass to everyone)
+ * \param frame Frame to pass.
+ *
+ * \return Nothing
+ */
+static void softmix_pass_everyone_else(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, struct ast_frame *frame)
+{
+	struct ast_bridge_channel *cur;
+
+	AST_LIST_TRAVERSE(&bridge->channels, cur, entry) {
+		if (cur == bridge_channel) {
 			continue;
 		}
-		ast_write(tmp->chan, frame);
+		ast_bridge_channel_queue_frame(cur, frame);
 	}
 }
 
 static void softmix_pass_video_top_priority(struct ast_bridge *bridge, struct ast_frame *frame)
 {
-	struct ast_bridge_channel *tmp;
-	AST_LIST_TRAVERSE(&bridge->channels, tmp, entry) {
-		if (tmp->suspended) {
+	struct ast_bridge_channel *cur;
+
+	AST_LIST_TRAVERSE(&bridge->channels, cur, entry) {
+		if (cur->suspended) {
 			continue;
 		}
-		if (ast_bridge_is_video_src(bridge, tmp->chan) == 1) {
-			ast_write(tmp->chan, frame);
+		if (ast_bridge_is_video_src(bridge, cur->chan) == 1) {
+			ast_bridge_channel_queue_frame(cur, frame);
 			break;
 		}
 	}
 }
 
-static void softmix_pass_video_all(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, struct ast_frame *frame, int echo)
-{
-	struct ast_bridge_channel *tmp;
-	AST_LIST_TRAVERSE(&bridge->channels, tmp, entry) {
-		if (tmp->suspended) {
-			continue;
-		}
-		if ((tmp->chan == bridge_channel->chan) && !echo) {
-			continue;
-		}
-		ast_write(tmp->chan, frame);
-	}
-}
-
-/*! \brief Function called when a channel writes a frame into the bridge */
-static enum ast_bridge_write_result softmix_bridge_write(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, struct ast_frame *frame)
-{
-	struct softmix_channel *sc = bridge_channel->bridge_pvt;
-	struct softmix_bridge_data *softmix_data = bridge->bridge_pvt;
+/*!
+ * \internal
+ * \brief Determine what to do with a video frame.
+ * \since 12.0.0
+ *
+ * \param bridge Which bridge is getting the frame
+ * \param bridge_channel Which channel is writing the frame.
+ * \param frame What is being written.
+ *
+ * \return Nothing
+ */
+static void softmix_bridge_write_video(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, struct ast_frame *frame)
+{
+	struct softmix_channel *sc;
+	int video_src_priority;
+
+	/* Determine if the video frame should be distributed or not */
+	switch (bridge->video_mode.mode) {
+	case AST_BRIDGE_VIDEO_MODE_NONE:
+		break;
+	case AST_BRIDGE_VIDEO_MODE_SINGLE_SRC:
+		video_src_priority = ast_bridge_is_video_src(bridge, bridge_channel->chan);
+		if (video_src_priority == 1) {
+			/* Pass to me and everyone else. */
+			softmix_pass_everyone_else(bridge, NULL, frame);
+		}
+		break;
+	case AST_BRIDGE_VIDEO_MODE_TALKER_SRC:
+		sc = bridge_channel->tech_pvt;
+		ast_mutex_lock(&sc->lock);
+		ast_bridge_update_talker_src_video_mode(bridge, bridge_channel->chan,
+			sc->video_talker.energy_average,
+			ast_format_get_video_mark(&frame->subclass.format));
+		ast_mutex_unlock(&sc->lock);
+		video_src_priority = ast_bridge_is_video_src(bridge, bridge_channel->chan);
+		if (video_src_priority == 1) {
+			int num_src = ast_bridge_number_video_src(bridge);
+			int echo = num_src > 1 ? 0 : 1;
+
+			softmix_pass_everyone_else(bridge, echo ? NULL : bridge_channel, frame);
+		} else if (video_src_priority == 2) {
+			softmix_pass_video_top_priority(bridge, frame);
+		}
+		break;
+	}
+}
+
+/*!
+ * \internal
+ * \brief Determine what to do with a voice frame.
+ * \since 12.0.0
+ *
+ * \param bridge Which bridge is getting the frame
+ * \param bridge_channel Which channel is writing the frame.
+ * \param frame What is being written.
+ *
+ * \return Nothing
+ */
+static void softmix_bridge_write_voice(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, struct ast_frame *frame)
+{
+	struct softmix_channel *sc = bridge_channel->tech_pvt;
+	struct softmix_bridge_data *softmix_data = bridge->tech_pvt;
 	int totalsilence = 0;
 	int cur_energy = 0;
 	int silence_threshold = bridge_channel->tech_args.silence_threshold ?
 		bridge_channel->tech_args.silence_threshold :
 		DEFAULT_SOFTMIX_SILENCE_THRESHOLD;
 	char update_talking = -1;  /* if this is set to 0 or 1, tell the bridge that the channel has started or stopped talking. */
-	int res = AST_BRIDGE_WRITE_SUCCESS;
-
-	/* Only accept audio frames, all others are unsupported */
-	if (frame->frametype == AST_FRAME_DTMF_END || frame->frametype == AST_FRAME_DTMF_BEGIN) {
-		softmix_pass_dtmf(bridge, bridge_channel, frame);
-		goto bridge_write_cleanup;
-	} else if (frame->frametype != AST_FRAME_VOICE && frame->frametype != AST_FRAME_VIDEO) {
-		res = AST_BRIDGE_WRITE_UNSUPPORTED;
-		goto bridge_write_cleanup;
-	} else if (frame->datalen == 0) {
-		goto bridge_write_cleanup;
-	}
-
-	/* Determine if this video frame should be distributed or not */
-	if (frame->frametype == AST_FRAME_VIDEO) {
-		int num_src = ast_bridge_number_video_src(bridge);
-		int video_src_priority = ast_bridge_is_video_src(bridge, bridge_channel->chan);
-
-		switch (bridge->video_mode.mode) {
-		case AST_BRIDGE_VIDEO_MODE_NONE:
-			break;
-		case AST_BRIDGE_VIDEO_MODE_SINGLE_SRC:
-			if (video_src_priority == 1) {
-				softmix_pass_video_all(bridge, bridge_channel, frame, 1);
-			}
-			break;
-		case AST_BRIDGE_VIDEO_MODE_TALKER_SRC:
-			ast_mutex_lock(&sc->lock);
-			ast_bridge_update_talker_src_video_mode(bridge, bridge_channel->chan, sc->video_talker.energy_average, ast_format_get_video_mark(&frame->subclass.format));
-			ast_mutex_unlock(&sc->lock);
-			if (video_src_priority == 1) {
-				int echo = num_src > 1 ? 0 : 1;
-				softmix_pass_video_all(bridge, bridge_channel, frame, echo);
-			} else if (video_src_priority == 2) {
-				softmix_pass_video_top_priority(bridge, frame);
-			}
-			break;
-		}
-		goto bridge_write_cleanup;
-	}
-
-	/* If we made it here, we are going to write the frame into the conference */
+
+	/* Write the frame into the conference */
 	ast_mutex_lock(&sc->lock);
 	ast_dsp_silence_with_energy(sc->dsp, frame, &totalsilence, &cur_energy);
 
 	if (bridge->video_mode.mode == AST_BRIDGE_VIDEO_MODE_TALKER_SRC) {
 		int cur_slot = sc->video_talker.energy_history_cur_slot;
+
 		sc->video_talker.energy_accum -= sc->video_talker.energy_history[cur_slot];
 		sc->video_talker.energy_accum += cur_energy;
 		sc->video_talker.energy_history[cur_slot] = cur_energy;
@@ -568,50 +594,77 @@
 		ast_slinfactory_feed(&sc->factory, frame);
 	}
 
-	/* If a frame is ready to be written out, do so */
-	if (sc->have_frame) {
-		ast_write(bridge_channel->chan, &sc->write_frame);
-		sc->have_frame = 0;
-	}
-
 	/* Alllll done */
 	ast_mutex_unlock(&sc->lock);
 
 	if (update_talking != -1) {
-		ast_bridge_notify_talking(bridge, bridge_channel, update_talking);
+		ast_bridge_notify_talking(bridge_channel, update_talking);
+	}
+}
+
+/*!
+ * \internal
+ * \brief Determine what to do with a control frame.
+ * \since 12.0.0
+ *
+ * \param bridge Which bridge is getting the frame
+ * \param bridge_channel Which channel is writing the frame.
+ * \param frame What is being written.
+ *
+ * \return Nothing
+ */
+static void softmix_bridge_write_control(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, struct ast_frame *frame)
+{
+/* BUGBUG need to look at channel roles to determine what to do with control frame. */
+	/*! \todo BUGBUG softmix_bridge_write_control() not written */
+}
+
+/*!
+ * \internal
+ * \brief Determine what to do with a frame written into the bridge.
+ * \since 12.0.0
+ *
+ * \param bridge Which bridge is getting the frame
+ * \param bridge_channel Which channel is writing the frame.
+ * \param frame What is being written.
+ *
+ * \retval 0 on success
+ * \retval -1 on failure
+ *
+ * \note On entry, bridge is already locked.
+ */
+static int softmix_bridge_write(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, struct ast_frame *frame)
+{
+	int res = 0;
+
+	if (!bridge->tech_pvt || !bridge_channel->tech_pvt) {
+		return -1;
+	}
+
+	switch (frame->frametype) {
+	case AST_FRAME_DTMF_BEGIN:
+	case AST_FRAME_DTMF_END:
+		softmix_pass_everyone_else(bridge, bridge_channel, frame);
+		break;
+	case AST_FRAME_VOICE:
+		softmix_bridge_write_voice(bridge, bridge_channel, frame);
+		break;
+	case AST_FRAME_VIDEO:
+		softmix_bridge_write_video(bridge, bridge_channel, frame);
+		break;
+	case AST_FRAME_CONTROL:
+		softmix_bridge_write_control(bridge, bridge_channel, frame);
+		break;
+	case AST_FRAME_BRIDGE_ACTION:
+		softmix_pass_everyone_else(bridge, bridge_channel, frame);
+		break;
+	default:
+		ast_debug(3, "Frame type %d unsupported\n", frame->frametype);
+		res = -1;
+		break;
 	}
 
 	return res;
-
-bridge_write_cleanup:
-	/* Even though the frame is not being written into the conference because it is not audio,
-	 * we should use this opportunity to check to see if a frame is ready to be written out from
-	 * the conference to the channel. */
-	ast_mutex_lock(&sc->lock);
-	if (sc->have_frame) {
-		ast_write(bridge_channel->chan, &sc->write_frame);
-		sc->have_frame = 0;
-	}
-	ast_mutex_unlock(&sc->lock);
-
-	return res;
-}
-
-/*! \brief Function called when the channel's thread is poked */
-static int softmix_bridge_poke(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel)
-{
-	struct softmix_channel *sc = bridge_channel->bridge_pvt;
-
-	ast_mutex_lock(&sc->lock);
-
-	if (sc->have_frame) {
-		ast_write(bridge_channel->chan, &sc->write_frame);
-		sc->have_frame = 0;
-	}
-
-	ast_mutex_unlock(&sc->lock);
-
-	return 0;
 }
 
 static void gather_softmix_stats(struct softmix_stats *stats,
@@ -648,7 +701,7 @@
  * \brief Analyse mixing statistics and change bridges internal rate
  * if necessary.
  *
- * \retval 0, no changes to internal rate 
+ * \retval 0, no changes to internal rate
  * \ratval 1, internal rate was changed, update all the channels on the next mixing iteration.
  */
 static unsigned int analyse_softmix_stats(struct softmix_stats *stats, struct softmix_bridge_data *softmix_data)
@@ -665,7 +718,8 @@
 		 * from the current rate we are using. */
 		if (softmix_data->internal_rate != stats->locked_rate) {
 			softmix_data->internal_rate = stats->locked_rate;
-			ast_debug(1, " Bridge is locked in at sample rate %d\n", softmix_data->internal_rate);
+			ast_debug(1, "Bridge is locked in at sample rate %d\n",
+				softmix_data->internal_rate);
 			return 1;
 		}
 	} else if (stats->num_above_internal_rate >= 2) {
@@ -704,13 +758,15 @@
 			}
 		}
 
-		ast_debug(1, " Bridge changed from %d To %d\n", softmix_data->internal_rate, best_rate);
+		ast_debug(1, "Bridge changed from %d To %d\n",
+			softmix_data->internal_rate, best_rate);
 		softmix_data->internal_rate = best_rate;
 		return 1;
 	} else if (!stats->num_at_internal_rate && !stats->num_above_internal_rate) {
 		/* In this case, the highest supported rate is actually lower than the internal rate */
 		softmix_data->internal_rate = stats->highest_supported_rate;
-		ast_debug(1, " Bridge changed from %d to %d\n", softmix_data->internal_rate, stats->highest_supported_rate);
+		ast_debug(1, "Bridge changed from %d to %d\n",
+			softmix_data->internal_rate, stats->highest_supported_rate);
 		return 1;
 	}
 	return 0;
@@ -745,38 +801,38 @@
 	return 0;
 }
 
-/*! \brief Function which acts as the mixing thread */
-static int softmix_bridge_thread(struct ast_bridge *bridge)
+/*!
+ * \brief Mixing loop.
+ *
+ * \retval 0 on success
+ * \retval -1 on failure
+ */
+static int softmix_mixing_loop(struct ast_bridge *bridge)
 {
 	struct softmix_stats stats = { { 0 }, };
 	struct softmix_mixing_array mixing_array;
-	struct softmix_bridge_data *softmix_data;
+	struct softmix_bridge_data *softmix_data = bridge->tech_pvt;
 	struct ast_timer *timer;
 	struct softmix_translate_helper trans_helper;
 	int16_t buf[MAX_DATALEN];
 	unsigned int stat_iteration_counter = 0; /* counts down, gather stats at zero and reset. */
 	int timingfd;
 	int update_all_rates = 0; /* set this when the internal sample rate has changed */
-	int i, x;
+	unsigned int idx;
+	unsigned int x;
 	int res = -1;
 
-	softmix_data = bridge->bridge_pvt;
-	if (!softmix_data) {
-		goto softmix_cleanup;
-	}
-
-	ao2_ref(softmix_data, 1);
 	timer = softmix_data->timer;
 	timingfd = ast_timer_fd(timer);
 	softmix_translate_helper_init(&trans_helper, softmix_data->internal_rate);
 	ast_timer_set_rate(timer, (1000 / softmix_data->internal_mixing_interval));
 
 	/* Give the mixing array room to grow, memory is cheap but allocations are expensive. */
-	if (softmix_mixing_array_init(&mixing_array, bridge->num + 10)) {
+	if (softmix_mixing_array_init(&mixing_array, bridge->num_channels + 10)) {
 		goto softmix_cleanup;
 	}
 
-	while (!bridge->stop && !bridge->refresh && bridge->array_num) {
+	while (!softmix_data->stop && bridge->num_active) {
 		struct ast_bridge_channel *bridge_channel;
 		int timeout = -1;
 		enum ast_format_id cur_slin_id = ast_format_slin_by_rate(softmix_data->internal_rate);
@@ -793,8 +849,8 @@
 		}
 
 		/* Grow the mixing array buffer as participants are added. */
-		if (mixing_array.max_num_entries < bridge->num
-			&& softmix_mixing_array_grow(&mixing_array, bridge->num + 5)) {
+		if (mixing_array.max_num_entries < bridge->num_channels
+			&& softmix_mixing_array_grow(&mixing_array, bridge->num_channels + 5)) {
 			goto softmix_cleanup;
 		}
 
@@ -815,7 +871,7 @@
 
 		/* Go through pulling audio from each factory that has it available */
 		AST_LIST_TRAVERSE(&bridge->channels, bridge_channel, entry) {
-			struct softmix_channel *sc = bridge_channel->bridge_pvt;
+			struct softmix_channel *sc = bridge_channel->tech_pvt;
 
 			/* Update the sample rate to match the bridge's native sample rate if necessary. */
 			if (update_all_rates) {
@@ -842,15 +898,15 @@
 
 		/* mix it like crazy */
 		memset(buf, 0, softmix_datalen);
-		for (i = 0; i < mixing_array.used_entries; i++) {
-			for (x = 0; x < softmix_samples; x++) {
-				ast_slinear_saturated_add(buf + x, mixing_array.buffers[i] + x);
+		for (idx = 0; idx < mixing_array.used_entries; ++idx) {
+			for (x = 0; x < softmix_samples; ++x) {
+				ast_slinear_saturated_add(buf + x, mixing_array.buffers[idx] + x);
 			}
 		}
 
 		/* Next step go through removing the channel's own audio and creating a good frame... */
 		AST_LIST_TRAVERSE(&bridge->channels, bridge_channel, entry) {
-			struct softmix_channel *sc = bridge_channel->bridge_pvt;
+			struct softmix_channel *sc = bridge_channel->tech_pvt;
 
 			if (bridge_channel->suspended) {
 				continue;
@@ -869,13 +925,10 @@
 			/* process the softmix channel's new write audio */
 			softmix_process_write_audio(&trans_helper, ast_channel_rawwriteformat(bridge_channel->chan), sc);
 
-			/* The frame is now ready for use... */
-			sc->have_frame = 1;
-
 			ast_mutex_unlock(&sc->lock);
 
-			/* Poke bridged channel thread just in case */
-			pthread_kill(bridge_channel->thread, SIGURG);
+			/* A frame is now ready for the channel. */
+			ast_bridge_channel_queue_frame(bridge_channel, &sc->write_frame);
 		}
 
 		update_all_rates = 0;
@@ -885,17 +938,17 @@
 		}
 		stat_iteration_counter--;
 
-		ao2_unlock(bridge);
+		ast_bridge_unlock(bridge);
 		/* cleanup any translation frame data from the previous mixing iteration. */
 		softmix_translate_helper_cleanup(&trans_helper);
 		/* Wait for the timing source to tell us to wake up and get things done */
 		ast_waitfor_n_fd(&timingfd, 1, &timeout, NULL);
 		if (ast_timer_ack(timer, 1) < 0) {
 			ast_log(LOG_ERROR, "Failed to acknowledge timer in softmix bridge.\n");
-			ao2_lock(bridge);
+			ast_bridge_lock(bridge);
 			goto softmix_cleanup;
 		}
-		ao2_lock(bridge);
+		ast_bridge_lock(bridge);
 
 		/* make sure to detect mixing interval changes if they occur. */
 		if (bridge->internal_mixing_interval && (bridge->internal_mixing_interval != softmix_data->internal_mixing_interval)) {
@@ -910,23 +963,141 @@
 softmix_cleanup:
 	softmix_translate_helper_destroy(&trans_helper);
 	softmix_mixing_array_destroy(&mixing_array);
-	if (softmix_data) {
-		ao2_ref(softmix_data, -1);
-	}
 	return res;
+}
+
+/*!
+ * \internal
+ * \brief Mixing thread.
+ * \since 12.0.0
+ *
+ * \note The thread does not have its own reference to the
+ * bridge.  The lifetime of the thread is tied to the lifetime
+ * of the mixing technology association with the bridge.
+ */
+static void *softmix_mixing_thread(void *data)
+{
+	struct ast_bridge *bridge = data;
+	struct softmix_bridge_data *softmix_data;
+
+	ast_bridge_lock(bridge);
+	if (bridge->callid) {
+		ast_callid_threadassoc_add(bridge->callid);
+	}
+
+	ast_debug(1, "Bridge %s: starting mixing thread\n", bridge->uniqueid);
+
+	softmix_data = bridge->tech_pvt;
+	while (!softmix_data->stop) {
+		if (!bridge->num_active) {
+			/* Wait for something to happen to the bridge. */
+			ast_bridge_unlock(bridge);
+			ast_mutex_lock(&softmix_data->lock);
+			if (!softmix_data->stop) {
+				ast_cond_wait(&softmix_data->cond, &softmix_data->lock);
+			}
+			ast_mutex_unlock(&softmix_data->lock);
+			ast_bridge_lock(bridge);
+			continue;
+		}
+
+		if (softmix_mixing_loop(bridge)) {
+			/*
+			 * A mixing error occurred.  Sleep and try again later so we
+			 * won't flood the logs.
+			 */
+			ast_bridge_unlock(bridge);
+			sleep(1);
+			ast_bridge_lock(bridge);
+		}
+	}
+
+	ast_bridge_unlock(bridge);
+
+	ast_debug(1, "Bridge %s: stopping mixing thread\n", bridge->uniqueid);
+
+	return NULL;
+}
+
+static void softmix_bridge_data_destroy(struct softmix_bridge_data *softmix_data)
+{
+	if (softmix_data->timer) {
+		ast_timer_close(softmix_data->timer);
+		softmix_data->timer = NULL;
+	}
+	ast_mutex_destroy(&softmix_data->lock);
+	ast_free(softmix_data);
+}
+
+/*! \brief Function called when a bridge is created */
+static int softmix_bridge_create(struct ast_bridge *bridge)
+{
+	struct softmix_bridge_data *softmix_data;
+
+	softmix_data = ast_calloc(1, sizeof(*softmix_data));
+	if (!softmix_data) {
+		return -1;
+	}
+	ast_mutex_init(&softmix_data->lock);
+	softmix_data->timer = ast_timer_open();
+	if (!softmix_data->timer) {
+		softmix_bridge_data_destroy(softmix_data);
+		return -1;
+	}
+	/* start at 8khz, let it grow from there */
+	softmix_data->internal_rate = 8000;
+	softmix_data->internal_mixing_interval = DEFAULT_SOFTMIX_INTERVAL;
+
+	bridge->tech_pvt = softmix_data;
+
+	/* Start the mixing thread. */
+	if (ast_pthread_create(&softmix_data->thread, NULL, softmix_mixing_thread, bridge)) {
+		softmix_data->thread = AST_PTHREADT_NULL;
+		softmix_bridge_data_destroy(softmix_data);
+		bridge->tech_pvt = NULL;
+		return -1;
+	}
+
+	return 0;
+}
+
+/*! \brief Function called when a bridge is destroyed */
+static void softmix_bridge_destroy(struct ast_bridge *bridge)
+{
+	struct softmix_bridge_data *softmix_data;
+	pthread_t thread;
+
+	softmix_data = bridge->tech_pvt;
+	if (!softmix_data) {
+		return;
+	}
+
+	/* Stop the mixing thread. */
+	ast_mutex_lock(&softmix_data->lock);
+	softmix_data->stop = 1;
+	ast_cond_signal(&softmix_data->cond);
+	thread = softmix_data->thread;
+	softmix_data->thread = AST_PTHREADT_NULL;
+	ast_mutex_unlock(&softmix_data->lock);
+	if (thread != AST_PTHREADT_NULL) {
+		ast_debug(1, "Waiting for mixing thread to die.\n");
+		pthread_join(thread, NULL);
+	}
+
+	softmix_bridge_data_destroy(softmix_data);
+	bridge->tech_pvt = NULL;
 }
 
 static struct ast_bridge_technology softmix_bridge = {
 	.name = "softmix",
-	.capabilities = AST_BRIDGE_CAPABILITY_MULTIMIX | AST_BRIDGE_CAPABILITY_THREAD | AST_BRIDGE_CAPABILITY_MULTITHREADED | AST_BRIDGE_CAPABILITY_OPTIMIZE | AST_BRIDGE_CAPABILITY_VIDEO,
+	.capabilities = AST_BRIDGE_CAPABILITY_MULTIMIX,
 	.preference = AST_BRIDGE_PREFERENCE_LOW,
 	.create = softmix_bridge_create,
 	.destroy = softmix_bridge_destroy,
 	.join = softmix_bridge_join,
 	.leave = softmix_bridge_leave,
+	.unsuspend = softmix_bridge_unsuspend,
 	.write = softmix_bridge_write,
-	.thread = softmix_bridge_thread,
-	.poke = softmix_bridge_poke,
 };
 
 static int unload_module(void)

Modified: team/mjordan/cdrs-of-doom/channels/chan_agent.c
URL: http://svnview.digium.com/svn/asterisk/team/mjordan/cdrs-of-doom/channels/chan_agent.c?view=diff&rev=386329&r1=386328&r2=386329
==============================================================================
--- team/mjordan/cdrs-of-doom/channels/chan_agent.c (original)
+++ team/mjordan/cdrs-of-doom/channels/chan_agent.c Mon Apr 22 17:26:53 2013
@@ -1198,7 +1198,7 @@
 		} else if (!strcasecmp(v->name, "musiconhold")) {
 			ast_copy_string(moh, v->value, sizeof(moh));
 		} else if (!strcasecmp(v->name, "updatecdr")) {
-			/* TODO: deprecate this */
+			/* BUGBUG TODO: deprecate this */
 			if (ast_true(v->value))
 				updatecdr = 1;
 			else

Modified: team/mjordan/cdrs-of-doom/funcs/func_frame_trace.c
URL: http://svnview.digium.com/svn/asterisk/team/mjordan/cdrs-of-doom/funcs/func_frame_trace.c?view=diff&rev=386329&r1=386328&r2=386329
==============================================================================
--- team/mjordan/cdrs-of-doom/funcs/func_frame_trace.c (original)
+++ team/mjordan/cdrs-of-doom/funcs/func_frame_trace.c Mon Apr 22 17:26:53 2013
@@ -376,6 +376,10 @@
 		ast_verbose("Digit: 0x%02X '%c'\n", frame->subclass.integer,
 			frame->subclass.integer < ' ' ? ' ' : frame->subclass.integer);
 		break;
+	case AST_FRAME_BRIDGE_ACTION:
+		ast_verbose("FrameType: Bridge\n");
+		ast_verbose("SubClass: %d\n", frame->subclass.integer);
+		break;
 	}
 
 	ast_verbose("Src: %s\n", ast_strlen_zero(frame->src) ? "NOT PRESENT" : frame->src);

Modified: team/mjordan/cdrs-of-doom/include/asterisk/_private.h
URL: http://svnview.digium.com/svn/asterisk/team/mjordan/cdrs-of-doom/include/asterisk/_private.h?view=diff&rev=386329&r1=386328&r2=386329
==============================================================================
--- team/mjordan/cdrs-of-doom/include/asterisk/_private.h (original)
+++ team/mjordan/cdrs-of-doom/include/asterisk/_private.h Mon Apr 22 17:26:53 2013
@@ -50,6 +50,15 @@
 int ast_msg_init(void);             /*!< Provided by message.c */
 void ast_msg_shutdown(void);        /*!< Provided by message.c */
 int aco_init(void);             /*!< Provided by config_options.c */
+
+/*!
+ * \brief Initialize the bridging system.
+ * \since 12.0.0
+ *
+ * \retval 0 on success.
+ * \retval -1 on error.
+ */
+int ast_bridging_init(void);
 
 /*!
  * \brief Reload asterisk modules.

Modified: team/mjordan/cdrs-of-doom/include/asterisk/astobj2.h
URL: http://svnview.digium.com/svn/asterisk/team/mjordan/cdrs-of-doom/include/asterisk/astobj2.h?view=diff&rev=386329&r1=386328&r2=386329
==============================================================================
--- team/mjordan/cdrs-of-doom/include/asterisk/astobj2.h (original)
+++ team/mjordan/cdrs-of-doom/include/asterisk/astobj2.h Mon Apr 22 17:26:53 2013
@@ -1883,4 +1883,37 @@
 #define ao2_cleanup(obj) __ao2_cleanup(obj)
 #endif
 void ao2_iterator_cleanup(struct ao2_iterator *iter);
+
+
+/* XXX TODO BUGBUG and all the other things...
+ * These functions should eventually be moved elsewhere, but the utils folder
+ * won't compile with them in strings.h
+ */
+
+/*!
+ * \since 12
+ * \brief Allocates a hash container for bare strings
+ *
+ * \param buckets The number of buckets to use for the hash container
+ *
+ * \retval AO2 container for strings
+ * \retval NULL if allocation failed
+ */
+struct ao2_container *ast_str_container_alloc(int buckets);
+
+/*!
+ * \since 12
+ * \brief Adds a string to a string container allocated by ast_str_container_alloc
+ *
+ * \param str_container The container to which to add a string
+ * \param add The string to add to the container
+ *
+ * \retval zero on success
+ * \retval non-zero if the operation failed
+ */
+int ast_str_container_add(struct ao2_container *str_container, const char *add);
+
+
+
+
 #endif /* _ASTERISK_ASTOBJ2_H */

Modified: team/mjordan/cdrs-of-doom/include/asterisk/bridging_features.h
URL: http://svnview.digium.com/svn/asterisk/team/mjordan/cdrs-of-doom/include/asterisk/bridging_features.h?view=diff&rev=386329&r1=386328&r2=386329
==============================================================================
--- team/mjordan/cdrs-of-doom/include/asterisk/bridging_features.h (original)
+++ team/mjordan/cdrs-of-doom/include/asterisk/bridging_features.h Mon Apr 22 17:26:53 2013
@@ -30,10 +30,26 @@
 
 /*! \brief Flags used for bridge features */
 enum ast_bridge_feature_flags {
-	/*! Upon hangup the bridge should be discontinued */
-	AST_BRIDGE_FLAG_DISSOLVE = (1 << 0),
+	/*! Upon channel hangup all bridge participants should be kicked out. */
+	AST_BRIDGE_FLAG_DISSOLVE_HANGUP = (1 << 0),
+	/*! The last channel to leave the bridge dissolves it. */
+	AST_BRIDGE_FLAG_DISSOLVE_EMPTY = (1 << 1),
 	/*! Move between bridging technologies as needed. */
-	AST_BRIDGE_FLAG_SMART = (1 << 1),
+	AST_BRIDGE_FLAG_SMART = (1 << 2),
+	/*! Bridge channels cannot be merged from this bridge. */
+	AST_BRIDGE_FLAG_MERGE_INHIBIT_FROM = (1 << 3),
+	/*! Bridge channels cannot be merged to this bridge. */
+	AST_BRIDGE_FLAG_MERGE_INHIBIT_TO = (1 << 4),
+	/*! Bridge channels can be moved to another bridge only by masquerade (ConfBridge) */
+	AST_BRIDGE_FLAG_MASQUERADE_ONLY = (1 << 5),
+};
+
+/*! \brief Flags used for per bridge channel features */
+enum ast_bridge_channel_feature_flags {
+	/*! Upon channel hangup all bridge participants should be kicked out. */
+	AST_BRIDGE_CHANNEL_FLAG_DISSOLVE_HANGUP = (1 << 0),
+	/*! This channel leaves the bridge if all participants have this flag set. */
+	AST_BRIDGE_CHANNEL_FLAG_LONELY = (1 << 1),
 };
 
 /*! \brief Built in DTMF features */
@@ -52,32 +68,66 @@
 	 * AST_BRIDGE_CHANNEL_STATE_END.
 	 */
 	AST_BRIDGE_BUILTIN_HANGUP,
+	/*!
+	 * DTMF based Park
+	 *
+	 * \details The bridge is parked and the channel hears the
+	 * parking slot to which it was parked.
+	 */
+	AST_BRIDGE_BUILTIN_PARKCALL,
+/* BUGBUG does Monitor and/or MixMonitor require a two party bridge?  MixMonitor is used by ConfBridge so maybe it doesn't. */
+	/*!
+	 * DTMF one-touch-record toggle using Monitor app.
+	 *
+	 * \note Only valid on two party bridges.
+	 */
+	AST_BRIDGE_BUILTIN_AUTOMON,
+	/*!

[... 5692 lines stripped ...]



More information about the asterisk-commits mailing list