more ivr stuff (not done)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@693 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_buffer.h

@@ -104,6 +104,11 @@ SWITCH_DECLARE(int) switch_buffer_write(switch_buffer *buffer, void *data, size_
  * \return int size of buffer, or 0 if unable to toss that much data
  */
 SWITCH_DECLARE(int) switch_buffer_toss(switch_buffer *buffer, size_t datalen);
+
+/*! \brief Remove all data from the buffer
+ * \param buffer any buffer of type switch_buffer
+ */
+SWITCH_DECLARE(void) switch_buffer_zero(switch_buffer *buffer);
 /** @} */
 
 

src/include/switch_core.h

@@ -743,7 +743,7 @@ SWITCH_DECLARE(switch_status) switch_core_file_write(switch_file_handle *fh, voi
   \param whence the indicator (see traditional seek)
   \return SWITCH_STATUS_SUCCESS with cur_pos adjusted to new position
 */
-SWITCH_DECLARE(switch_status) switch_core_file_seek(switch_file_handle *fh, unsigned int *cur_pos, unsigned int samples, int whence);
+SWITCH_DECLARE(switch_status) switch_core_file_seek(switch_file_handle *fh, unsigned int *cur_pos, int64_t samples, int whence);
 
 /*! 
   \brief Close an open file handle

src/include/switch_ivr.h

@@ -85,6 +85,7 @@ SWITCH_DECLARE(switch_status) switch_ivr_collect_digits_count(switch_core_sessio
 /*!
   \brief play a file from the disk to the session
   \param session the session to play the file too
+  \param pointer to file handle to use (NULL for builtin one)
   \param file the path to the file
   \param timer_name the name of a timer to use input will be absorbed (NULL to time off the session input).
   \param dtmf_callback code to execute if any dtmf is dialed during the playback
@@ -94,6 +95,7 @@ SWITCH_DECLARE(switch_status) switch_ivr_collect_digits_count(switch_core_sessio
   \note passing a NULL dtmf_callback nad a not NULL buf indicates to copy any dtmf to buf and stop playback.
 */
 SWITCH_DECLARE(switch_status) switch_ivr_play_file(switch_core_session *session,
+												   switch_file_handle *fh,
 												   char *file,
 												   char *timer_name,
 												   switch_dtmf_callback_function dtmf_callback,

src/include/switch_module_interfaces.h

@@ -245,7 +245,7 @@ struct switch_file_interface {
 	/*! function to write from the file */
 	switch_status (*file_write)(switch_file_handle *, void *data, size_t *len);
 	/*! function to seek to a certian position in the file */
-	switch_status (*file_seek)(switch_file_handle *, unsigned int *cur_pos, unsigned int samples, int whence);
+	switch_status (*file_seek)(switch_file_handle *, unsigned int *cur_pos, int64_t samples, int whence);
 	/*! list of supported file extensions */
 	char **extens;
 	const struct switch_file_interface *next;
@@ -273,10 +273,14 @@ struct switch_file_handle {
 	int seekable;
 	/*! the sample count of the file */
 	unsigned int sample_count;
+	/*! the speed of the file playback*/
+	int speed;
 	/*! the handle's memory pool */
 	switch_memory_pool *memory_pool;
 	/*! private data for the format module to store handle specific info */
 	void *private_info;
+	int64_t pos;
+	switch_buffer *audio_buffer;
 };
 
 

src/include/switch_types.h

@@ -319,6 +319,7 @@ SWITCH_FILE_DATA_INT =          (1 <<  4) - Read data in ints
 SWITCH_FILE_DATA_FLOAT =        (1 <<  5) - Read data in floats
 SWITCH_FILE_DATA_DOUBLE =       (1 <<  6) - Read data in doubles
 SWITCH_FILE_DATA_RAW =          (1 <<  7) - Read data as is
+SWITCH_FILE_PAUSE =             (1 <<  8) - Pause
 </pre>
  */
 typedef enum {
@@ -330,6 +331,7 @@ typedef enum {
 	SWITCH_FILE_DATA_FLOAT =		(1 <<  5),
 	SWITCH_FILE_DATA_DOUBLE =		(1 <<  6),
 	SWITCH_FILE_DATA_RAW =			(1 <<  7),
+	SWITCH_FILE_PAUSE =				(1 <<  8)
 } switch_file_flag;
 
 typedef enum {