[asterisk-commits] file: branch 1.4 r108083 - in /branches/1.4: apps/ include/asterisk/ main/
SVN commits to the Asterisk project
asterisk-commits at lists.digium.com
Wed Mar 12 13:26:38 CDT 2008
Author: file
Date: Wed Mar 12 13:26:37 2008
New Revision: 108083
URL: http://svn.digium.com/view/asterisk?view=rev&rev=108083
Log:
Add a trigger mode that triggers on both read and write. The actual function that returns the combined audio frame though will wait until both sides have fed in audio, or until one side stops (such as the case when you call Wait).
(closes issue #11945)
Reported by: xheliox
Modified:
branches/1.4/apps/app_mixmonitor.c
branches/1.4/include/asterisk/audiohook.h
branches/1.4/main/audiohook.c
Modified: branches/1.4/apps/app_mixmonitor.c
URL: http://svn.digium.com/view/asterisk/branches/1.4/apps/app_mixmonitor.c?view=diff&rev=108083&r1=108082&r2=108083
==============================================================================
--- branches/1.4/apps/app_mixmonitor.c (original)
+++ branches/1.4/apps/app_mixmonitor.c Wed Mar 12 13:26:37 2008
@@ -265,7 +265,7 @@
return;
}
- ast_set_flag(&mixmonitor->audiohook, AST_AUDIOHOOK_TRIGGER_WRITE);
+ ast_set_flag(&mixmonitor->audiohook, AST_AUDIOHOOK_TRIGGER_SYNC);
if (readvol)
mixmonitor->audiohook.options.read_volume = readvol;
Modified: branches/1.4/include/asterisk/audiohook.h
URL: http://svn.digium.com/view/asterisk/branches/1.4/include/asterisk/audiohook.h?view=diff&rev=108083&r1=108082&r2=108083
==============================================================================
--- branches/1.4/include/asterisk/audiohook.h (original)
+++ branches/1.4/include/asterisk/audiohook.h Wed Mar 12 13:26:37 2008
@@ -1,3 +1,185 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 1999 - 2007, Digium, Inc.
+ *
+ * Joshua Colp <jcolp at digium.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*! \file
+ * \brief Audiohooks Architecture
+ */
+
+#ifndef _ASTERISK_AUDIOHOOK_H
+#define _ASTERISK_AUDIOHOOK_H
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+#include "asterisk/slinfactory.h"
+
+enum ast_audiohook_type {
+ AST_AUDIOHOOK_TYPE_SPY = 0, /*!< Audiohook wants to receive audio */
+ AST_AUDIOHOOK_TYPE_WHISPER, /*!< Audiohook wants to provide audio to be mixed with existing audio */
+ AST_AUDIOHOOK_TYPE_MANIPULATE, /*!< Audiohook wants to manipulate the audio */
+};
+
+enum ast_audiohook_status {
+ AST_AUDIOHOOK_STATUS_NEW = 0, /*!< Audiohook was just created, not in use yet */
+ AST_AUDIOHOOK_STATUS_RUNNING, /*!< Audiohook is running on a channel */
+ AST_AUDIOHOOK_STATUS_SHUTDOWN, /*!< Audiohook is being shutdown */
+ AST_AUDIOHOOK_STATUS_DONE, /*!< Audiohook has shutdown and is not running on a channel any longer */
+};
+
+enum ast_audiohook_direction {
+ AST_AUDIOHOOK_DIRECTION_READ = 0, /*!< Reading audio in */
+ AST_AUDIOHOOK_DIRECTION_WRITE, /*!< Writing audio out */
+ AST_AUDIOHOOK_DIRECTION_BOTH, /*!< Both reading audio in and writing audio out */
+};
+
+enum ast_audiohook_flags {
+ AST_AUDIOHOOK_TRIGGER_MODE = (3 << 0), /*!< When audiohook should be triggered to do something */
+ AST_AUDIOHOOK_TRIGGER_READ = (1 << 0), /*!< Audiohook wants to be triggered when reading audio in */
+ AST_AUDIOHOOK_TRIGGER_WRITE = (2 << 0), /*!< Audiohook wants to be triggered when writing audio out */
+ AST_AUDIOHOOK_WANTS_DTMF = (1 << 1), /*!< Audiohook also wants to receive DTMF frames */
+ AST_AUDIOHOOK_TRIGGER_SYNC = (1 << 2), /*!< Audiohook wants to be triggered when both sides have combined audio available */
+};
+
+struct ast_audiohook;
+
+/*! \brief Callback function for manipulate audiohook type
+ * \param audiohook Audiohook structure
+ * \param chan Channel
+ * \param frame Frame of audio to manipulate
+ * \param direction Direction frame came from
+ * \return Returns 0 on success, -1 on failure
+ * \note An audiohook does not have any reference to a private data structure for manipulate types. It is up to the manipulate callback to store this data
+ * via it's own method. An example would be datastores.
+ */
+typedef int (*ast_audiohook_manipulate_callback)(struct ast_audiohook *audiohook, struct ast_channel *chan, struct ast_frame *frame, enum ast_audiohook_direction direction);
+
+struct ast_audiohook_options {
+ int read_volume; /*!< Volume adjustment on frames read from the channel the hook is on */
+ int write_volume; /*!< Volume adjustment on frames written to the channel the hook is on */
+};
+
+struct ast_audiohook {
+ ast_mutex_t lock; /*!< Lock that protects the audiohook structure */
+ ast_cond_t trigger; /*!< Trigger condition (if enabled) */
+ enum ast_audiohook_type type; /*!< Type of audiohook */
+ enum ast_audiohook_status status; /*!< Status of the audiohook */
+ const char *source; /*!< Who this audiohook ultimately belongs to */
+ unsigned int flags; /*!< Flags on the audiohook */
+ struct ast_slinfactory read_factory; /*!< Factory where frames read from the channel, or read from the whisper source will go through */
+ struct ast_slinfactory write_factory; /*!< Factory where frames written to the channel will go through */
+ struct timeval read_time; /*!< Last time read factory was fed */
+ struct timeval write_time; /*!< Last time write factory was fed */
+ int format; /*!< Format translation path is setup as */
+ struct ast_trans_pvt *trans_pvt; /*!< Translation path for reading frames */
+ ast_audiohook_manipulate_callback manipulate_callback; /*!< Manipulation callback */
+ struct ast_audiohook_options options; /*!< Applicable options */
+ AST_LIST_ENTRY(ast_audiohook) list; /*!< Linked list information */
+};
+
+struct ast_audiohook_list;
+
+/*! \brief Initialize an audiohook structure
+ * \param audiohook Audiohook structure
+ * \param type Type of audiohook to initialize this as
+ * \param source Who is initializing this audiohook
+ * \return Returns 0 on success, -1 on failure
+ */
+int ast_audiohook_init(struct ast_audiohook *audiohook, enum ast_audiohook_type type, const char *source);
+
+/*! \brief Destroys an audiohook structure
+ * \param audiohook Audiohook structure
+ * \return Returns 0 on success, -1 on failure
+ */
+int ast_audiohook_destroy(struct ast_audiohook *audiohook);
+
+/*! \brief Writes a frame into the audiohook structure
+ * \param audiohook Audiohook structure
+ * \param direction Direction the audio frame came from
+ * \param frame Frame to write in
+ * \return Returns 0 on success, -1 on failure
+ */
+int ast_audiohook_write_frame(struct ast_audiohook *audiohook, enum ast_audiohook_direction direction, struct ast_frame *frame);
+
+/*! \brief Reads a frame in from the audiohook structure
+ * \param audiohook Audiohook structure
+ * \param samples Number of samples wanted
+ * \param direction Direction the audio frame came from
+ * \param format Format of frame remote side wants back
+ * \return Returns frame on success, NULL on failure
+ */
+struct ast_frame *ast_audiohook_read_frame(struct ast_audiohook *audiohook, size_t samples, enum ast_audiohook_direction direction, int format);
+
+/*! \brief Attach audiohook to channel
+ * \param chan Channel
+ * \param audiohook Audiohook structure
+ * \return Returns 0 on success, -1 on failure
+ */
+int ast_audiohook_attach(struct ast_channel *chan, struct ast_audiohook *audiohook);
+
+/*! \brief Detach audiohook from channel
+ * \param audiohook Audiohook structure
+ * \return Returns 0 on success, -1 on failure
+ */
+int ast_audiohook_detach(struct ast_audiohook *audiohook);
+
+/*! \brief Detach audiohooks from list and destroy said list
+ * \param audiohook_list List of audiohooks
+ * \return Returns 0 on success, -1 on failure
+ */
+int ast_audiohook_detach_list(struct ast_audiohook_list *audiohook_list);
+
+/*! \brief Detach specified source audiohook from channel
+ * \param chan Channel to detach from
+ * \param source Name of source to detach
+ * \return Returns 0 on success, -1 on failure
+ */
+int ast_audiohook_detach_source(struct ast_channel *chan, const char *source);
+
+/*! \brief Pass a frame off to be handled by the audiohook core
+ * \param chan Channel that the list is coming off of
+ * \param audiohook_list List of audiohooks
+ * \param direction Direction frame is coming in from
+ * \param frame The frame itself
+ * \return Return frame on success, NULL on failure
+ */
+struct ast_frame *ast_audiohook_write_list(struct ast_channel *chan, struct ast_audiohook_list *audiohook_list, enum ast_audiohook_direction direction, struct ast_frame *frame);
+
+/*! \brief Wait for audiohook trigger to be triggered
+ * \param audiohook Audiohook to wait on
+ */
+void ast_audiohook_trigger_wait(struct ast_audiohook *audiohook);
+
+/*! \brief Lock an audiohook
+ * \param ah Audiohook structure
+ */
+#define ast_audiohook_lock(ah) ast_mutex_lock(&(ah)->lock)
+
+/*! \brief Unlock an audiohook
+ * \param ah Audiohook structure
+ */
+#define ast_audiohook_unlock(ah) ast_mutex_unlock(&(ah)->lock)
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}
+#endif
+
+#endif /* _ASTERISK_AUDIOHOOK_H */
/*
* Asterisk -- An open source telephony toolkit.
*
@@ -177,182 +359,3 @@
#endif
#endif /* _ASTERISK_AUDIOHOOK_H */
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2007, Digium, Inc.
- *
- * Joshua Colp <jcolp at digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- * \brief Audiohooks Architecture
- */
-
-#ifndef _ASTERISK_AUDIOHOOK_H
-#define _ASTERISK_AUDIOHOOK_H
-
-#if defined(__cplusplus) || defined(c_plusplus)
-extern "C" {
-#endif
-
-#include "asterisk/slinfactory.h"
-
-enum ast_audiohook_type {
- AST_AUDIOHOOK_TYPE_SPY = 0, /*!< Audiohook wants to receive audio */
- AST_AUDIOHOOK_TYPE_WHISPER, /*!< Audiohook wants to provide audio to be mixed with existing audio */
- AST_AUDIOHOOK_TYPE_MANIPULATE, /*!< Audiohook wants to manipulate the audio */
-};
-
-enum ast_audiohook_status {
- AST_AUDIOHOOK_STATUS_NEW = 0, /*!< Audiohook was just created, not in use yet */
- AST_AUDIOHOOK_STATUS_RUNNING, /*!< Audiohook is running on a channel */
- AST_AUDIOHOOK_STATUS_SHUTDOWN, /*!< Audiohook is being shutdown */
- AST_AUDIOHOOK_STATUS_DONE, /*!< Audiohook has shutdown and is not running on a channel any longer */
-};
-
-enum ast_audiohook_direction {
- AST_AUDIOHOOK_DIRECTION_READ = 0, /*!< Reading audio in */
- AST_AUDIOHOOK_DIRECTION_WRITE, /*!< Writing audio out */
- AST_AUDIOHOOK_DIRECTION_BOTH, /*!< Both reading audio in and writing audio out */
-};
-
-enum ast_audiohook_flags {
- AST_AUDIOHOOK_TRIGGER_MODE = (3 << 0), /*!< When audiohook should be triggered to do something */
- AST_AUDIOHOOK_TRIGGER_READ = (1 << 0), /*!< Audiohook wants to be triggered when reading audio in */
- AST_AUDIOHOOK_TRIGGER_WRITE = (2 << 0), /*!< Audiohook wants to be triggered when writing audio out */
- AST_AUDIOHOOK_WANTS_DTMF = (1 << 1), /*!< Audiohook also wants to receive DTMF frames */
-};
-
-struct ast_audiohook;
-
-/*! \brief Callback function for manipulate audiohook type
- * \param audiohook Audiohook structure
- * \param chan Channel
- * \param frame Frame of audio to manipulate
- * \param direction Direction frame came from
- * \return Returns 0 on success, -1 on failure
- * \note An audiohook does not have any reference to a private data structure for manipulate types. It is up to the manipulate callback to store this data
- * via it's own method. An example would be datastores.
- */
-typedef int (*ast_audiohook_manipulate_callback)(struct ast_audiohook *audiohook, struct ast_channel *chan, struct ast_frame *frame, enum ast_audiohook_direction direction);
-
-struct ast_audiohook_options {
- int read_volume; /*!< Volume adjustment on frames read from the channel the hook is on */
- int write_volume; /*!< Volume adjustment on frames written to the channel the hook is on */
-};
-
-struct ast_audiohook {
- ast_mutex_t lock; /*!< Lock that protects the audiohook structure */
- ast_cond_t trigger; /*!< Trigger condition (if enabled) */
- enum ast_audiohook_type type; /*!< Type of audiohook */
- enum ast_audiohook_status status; /*!< Status of the audiohook */
- const char *source; /*!< Who this audiohook ultimately belongs to */
- unsigned int flags; /*!< Flags on the audiohook */
- struct ast_slinfactory read_factory; /*!< Factory where frames read from the channel, or read from the whisper source will go through */
- struct ast_slinfactory write_factory; /*!< Factory where frames written to the channel will go through */
- int format; /*!< Format translation path is setup as */
- struct ast_trans_pvt *trans_pvt; /*!< Translation path for reading frames */
- ast_audiohook_manipulate_callback manipulate_callback; /*!< Manipulation callback */
- struct ast_audiohook_options options; /*!< Applicable options */
- AST_LIST_ENTRY(ast_audiohook) list; /*!< Linked list information */
-};
-
-struct ast_audiohook_list;
-
-/*! \brief Initialize an audiohook structure
- * \param audiohook Audiohook structure
- * \param type Type of audiohook to initialize this as
- * \param source Who is initializing this audiohook
- * \return Returns 0 on success, -1 on failure
- */
-int ast_audiohook_init(struct ast_audiohook *audiohook, enum ast_audiohook_type type, const char *source);
-
-/*! \brief Destroys an audiohook structure
- * \param audiohook Audiohook structure
- * \return Returns 0 on success, -1 on failure
- */
-int ast_audiohook_destroy(struct ast_audiohook *audiohook);
-
-/*! \brief Writes a frame into the audiohook structure
- * \param audiohook Audiohook structure
- * \param direction Direction the audio frame came from
- * \param frame Frame to write in
- * \return Returns 0 on success, -1 on failure
- */
-int ast_audiohook_write_frame(struct ast_audiohook *audiohook, enum ast_audiohook_direction direction, struct ast_frame *frame);
-
-/*! \brief Reads a frame in from the audiohook structure
- * \param audiohook Audiohook structure
- * \param samples Number of samples wanted
- * \param direction Direction the audio frame came from
- * \param format Format of frame remote side wants back
- * \return Returns frame on success, NULL on failure
- */
-struct ast_frame *ast_audiohook_read_frame(struct ast_audiohook *audiohook, size_t samples, enum ast_audiohook_direction direction, int format);
-
-/*! \brief Attach audiohook to channel
- * \param chan Channel
- * \param audiohook Audiohook structure
- * \return Returns 0 on success, -1 on failure
- */
-int ast_audiohook_attach(struct ast_channel *chan, struct ast_audiohook *audiohook);
-
-/*! \brief Detach audiohook from channel
- * \param audiohook Audiohook structure
- * \return Returns 0 on success, -1 on failure
- */
-int ast_audiohook_detach(struct ast_audiohook *audiohook);
-
-/*! \brief Detach audiohooks from list and destroy said list
- * \param audiohook_list List of audiohooks
- * \return Returns 0 on success, -1 on failure
- */
-int ast_audiohook_detach_list(struct ast_audiohook_list *audiohook_list);
-
-/*! \brief Detach specified source audiohook from channel
- * \param chan Channel to detach from
- * \param source Name of source to detach
- * \return Returns 0 on success, -1 on failure
- */
-int ast_audiohook_detach_source(struct ast_channel *chan, const char *source);
-
-/*! \brief Pass a frame off to be handled by the audiohook core
- * \param chan Channel that the list is coming off of
- * \param audiohook_list List of audiohooks
- * \param direction Direction frame is coming in from
- * \param frame The frame itself
- * \return Return frame on success, NULL on failure
- */
-struct ast_frame *ast_audiohook_write_list(struct ast_channel *chan, struct ast_audiohook_list *audiohook_list, enum ast_audiohook_direction direction, struct ast_frame *frame);
-
-/*! \brief Wait for audiohook trigger to be triggered
- * \param audiohook Audiohook to wait on
- */
-void ast_audiohook_trigger_wait(struct ast_audiohook *audiohook);
-
-/*! \brief Lock an audiohook
- * \param ah Audiohook structure
- */
-#define ast_audiohook_lock(ah) ast_mutex_lock(&(ah)->lock)
-
-/*! \brief Unlock an audiohook
- * \param ah Audiohook structure
- */
-#define ast_audiohook_unlock(ah) ast_mutex_unlock(&(ah)->lock)
-
-#if defined(__cplusplus) || defined(c_plusplus)
-}
-#endif
-
-#endif /* _ASTERISK_AUDIOHOOK_H */
Modified: branches/1.4/main/audiohook.c
URL: http://svn.digium.com/view/asterisk/branches/1.4/main/audiohook.c?view=diff&rev=108083&r1=108082&r2=108083
==============================================================================
--- branches/1.4/main/audiohook.c (original)
+++ branches/1.4/main/audiohook.c Wed Mar 12 13:26:37 2008
@@ -128,22 +128,21 @@
int ast_audiohook_write_frame(struct ast_audiohook *audiohook, enum ast_audiohook_direction direction, struct ast_frame *frame)
{
struct ast_slinfactory *factory = (direction == AST_AUDIOHOOK_DIRECTION_READ ? &audiohook->read_factory : &audiohook->write_factory);
+ struct timeval *time = (direction == AST_AUDIOHOOK_DIRECTION_READ ? &audiohook->read_time : &audiohook->write_time);
/* Write frame out to respective factory */
ast_slinfactory_feed(factory, frame);
+ /* Update last fed time for the above factory */
+ *time = ast_tvnow();
+
/* If we need to notify the respective handler of this audiohook, do so */
- switch (ast_test_flag(audiohook, AST_AUDIOHOOK_TRIGGER_MODE)) {
- case AST_AUDIOHOOK_TRIGGER_READ:
- if (direction == AST_AUDIOHOOK_DIRECTION_READ)
- ast_cond_signal(&audiohook->trigger);
- break;
- case AST_AUDIOHOOK_TRIGGER_WRITE:
- if (direction == AST_AUDIOHOOK_DIRECTION_WRITE)
- ast_cond_signal(&audiohook->trigger);
- break;
- default:
- break;
+ if ((ast_test_flag(audiohook, AST_AUDIOHOOK_TRIGGER_MODE) == AST_AUDIOHOOK_TRIGGER_READ) && (direction == AST_AUDIOHOOK_DIRECTION_READ)) {
+ ast_cond_signal(&audiohook->trigger);
+ } else if ((ast_test_flag(audiohook, AST_AUDIOHOOK_TRIGGER_MODE) == AST_AUDIOHOOK_TRIGGER_WRITE) && (direction == AST_AUDIOHOOK_DIRECTION_WRITE)) {
+ ast_cond_signal(&audiohook->trigger);
+ } else if (ast_test_flag(audiohook, AST_AUDIOHOOK_TRIGGER_SYNC)) {
+ ast_cond_signal(&audiohook->trigger);
}
return 0;
@@ -179,7 +178,7 @@
static struct ast_frame *audiohook_read_frame_both(struct ast_audiohook *audiohook, size_t samples)
{
- int i = 0;
+ int i = 0, usable_read, usable_write;
short buf1[samples], buf2[samples], *read_buf = NULL, *write_buf = NULL, *final_buf = NULL, *data1 = NULL, *data2 = NULL;
struct ast_frame frame = {
.frametype = AST_FRAME_VOICE,
@@ -189,8 +188,33 @@
.samples = samples,
};
+ /* Make sure both factories have the required samples */
+ usable_read = (ast_slinfactory_available(&audiohook->read_factory) >= samples ? 1 : 0);
+ usable_write = (ast_slinfactory_available(&audiohook->write_factory) >= samples ? 1 : 0);
+
+ if (!usable_read && !usable_write) {
+ /* If both factories are unusable bail out */
+ if (option_debug)
+ ast_log(LOG_DEBUG, "Read factory %p and write factory %p both fail to provide %zd samples\n", &audiohook->read_factory, &audiohook->write_factory, samples);
+ return NULL;
+ }
+
+ /* If we want to provide only a read factory make sure we aren't waiting for other audio */
+ if (usable_read && !usable_write && (ast_tvdiff_ms(ast_tvnow(), audiohook->write_time) < (samples/8)*2)) {
+ if (option_debug)
+ ast_log(LOG_DEBUG, "Write factory %p was pretty quick last time, waiting for them.\n", &audiohook->write_factory);
+ return NULL;
+ }
+
+ /* If we want to provide only a write factory make sure we aren't waiting for other audio */
+ if (usable_write && !usable_read && (ast_tvdiff_ms(ast_tvnow(), audiohook->write_time) < (samples/8)*2)) {
+ if (option_debug)
+ ast_log(LOG_DEBUG, "Read factory %p was pretty quick last time, waiting for them.\n", &audiohook->read_factory);
+ return NULL;
+ }
+
/* Start with the read factory... if there are enough samples, read them in */
- if (ast_slinfactory_available(&audiohook->read_factory) >= samples) {
+ if (usable_read && ast_slinfactory_available(&audiohook->read_factory) >= samples) {
if (ast_slinfactory_read(&audiohook->read_factory, buf1, samples)) {
read_buf = buf1;
/* Adjust read volume if need be */
@@ -209,7 +233,7 @@
ast_log(LOG_DEBUG, "Failed to get %zd samples from read factory %p\n", samples, &audiohook->read_factory);
/* Move on to the write factory... if there are enough samples, read them in */
- if (ast_slinfactory_available(&audiohook->write_factory) >= samples) {
+ if (usable_write && ast_slinfactory_available(&audiohook->write_factory) >= samples) {
if (ast_slinfactory_read(&audiohook->write_factory, buf2, samples)) {
write_buf = buf2;
/* Adjust write volume if need be */
More information about the asterisk-commits
mailing list