diff options
author | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2005-11-11 03:48:28 +0000 |
---|---|---|
committer | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2005-11-11 03:48:28 +0000 |
commit | 87a362153826a8eb12951b8d993ab2f71d55f4a0 (patch) | |
tree | 0a4d4a759806ea276d12f4c4c9d8c3386da18b72 /include/asterisk/channel.h | |
parent | 4087161a90df70b027dd1eef05a7e5054e281acf (diff) |
issue #5590
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@7068 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'include/asterisk/channel.h')
-rwxr-xr-x | include/asterisk/channel.h | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/include/asterisk/channel.h b/include/asterisk/channel.h index 61a8a29d7..6a4ff373f 100755 --- a/include/asterisk/channel.h +++ b/include/asterisk/channel.h @@ -244,48 +244,6 @@ struct ast_channel_tech { struct ast_channel *(* const bridged_channel)(struct ast_channel *chan, struct ast_channel *bridge); }; - -enum chanspy_states { - CHANSPY_NEW = 0, - CHANSPY_RUNNING = 1, - CHANSPY_DONE = 2, -}; - -enum chanspy_flags { - CHANSPY_MIXAUDIO = (1 << 0), - CHANSPY_READ_VOLADJUST = (1 << 1), - CHANSPY_WRITE_VOLADJUST = (1 << 2), - CHANSPY_FORMAT_AUDIO = (1 << 3), - CHANSPY_TRIGGER_MODE = (3 << 4), - CHANSPY_TRIGGER_READ = (1 << 4), - CHANSPY_TRIGGER_WRITE = (2 << 4), - CHANSPY_TRIGGER_NONE = (3 << 4), - CHANSPY_TRIGGER_FLUSH = (1 << 6), -}; - -struct ast_channel_spy_queue { - struct ast_frame *head; - unsigned int samples; - unsigned int format; -}; - -struct ast_channel_spy { - ast_mutex_t lock; - ast_cond_t trigger; - struct ast_channel_spy_queue read_queue; - struct ast_channel_spy_queue write_queue; - unsigned int flags; - enum chanspy_states status; - const char *type; - /* The volume adjustment values are very straightforward: - positive values cause the samples to be multiplied by that amount - negative values cause the samples to be divided by the absolute value of that amount - */ - int read_vol_adjustment; - int write_vol_adjustment; - AST_LIST_ENTRY(ast_channel_spy) list; -}; - struct ast_channel_spy_list; /*! Main Channel structure associated with a channel. @@ -1111,68 +1069,6 @@ void ast_channel_inherit_variables(const struct ast_channel *parent, struct ast_ void ast_set_variables(struct ast_channel *chan, struct ast_variable *vars); /*! - \brief Adds a spy to a channel, to begin receiving copies of the channel's audio frames. - \param chan The channel to add the spy to. - \param spy A pointer to ast_channel_spy structure describing how the spy is to be used. - \return 0 for success, non-zero for failure - - Note: This function performs no locking; you must hold the channel's lock before - calling this function. - */ -int ast_channel_spy_add(struct ast_channel *chan, struct ast_channel_spy *spy); - -/*! - \brief Remove a spy from a channel. - \param chan The channel to remove the spy from - \param spy The spy to be removed - \return nothing - - Note: This function performs no locking; you must hold the channel's lock before - calling this function. - */ -void ast_channel_spy_remove(struct ast_channel *chan, struct ast_channel_spy *spy); - -/*! - \brief Find all spies of a particular type on a channel and stop them. - \param chan The channel to operate on - \param type A character string identifying the type of spies to be stopped - \return nothing - - Note: This function performs no locking; you must hold the channel's lock before - calling this function. - */ -void ast_channel_spy_stop_by_type(struct ast_channel *chan, const char *type); - -/*! - \brief Read one (or more) frames of audio from a channel being spied upon. - \param spy The spy to operate on - \param samples The number of audio samples to read - \return NULL for failure, one ast_frame pointer, or a chain of ast_frame pointers - - This function can return multiple frames if the spy structure needs to be 'flushed' - due to mismatched queue lengths, or if the spy structure is configured to return - unmixed audio (in which case each call to this function will return a frame of audio - from each side of channel). - - Note: This function performs no locking; you must hold the spy's lock before calling - this function. You must <b>not</b> hold the channel's lock at the same time. - */ -struct ast_frame *ast_channel_spy_read_frame(struct ast_channel_spy *spy, unsigned int samples); - -/*! - \brief Efficiently wait until audio is available for a spy, or an exception occurs. - \param spy The spy to wait on - \return nothing - - Note: The locking rules for this function are non-obvious... first, you must <b>not</b> - hold the channel's lock when calling this function. Second, you must hold the spy's lock - before making the function call; while the function runs the lock will be released, and - when the trigger event occurs, the lock will be re-obtained. This means that when control - returns to your code, you will again hold the spy's lock. - */ -void ast_channel_spy_trigger_wait(struct ast_channel_spy *spy); - -/*! \brief An opaque 'object' structure use by silence generators on channels. */ struct ast_silence_generator; |