stereo refactoring

src/include/switch_core_media.h

@@ -264,7 +264,8 @@ SWITCH_DECLARE(payload_map_t *) switch_core_media_add_payload_map(switch_core_se
 																  switch_sdp_type_t sdp_type,
 																  uint32_t pt, 
 																  uint32_t rate, 
-																  uint32_t ptime, 
+																  uint32_t ptime,
+																  uint32_t channels,
 																  uint8_t negotiated);
 
 

src/include/switch_frame.h

@@ -61,6 +61,8 @@ SWITCH_BEGIN_EXTERN_C
 	uint32_t samples;
 	/*! the rate of the frame */
 	uint32_t rate;
+	/*! the number of channels in the frame */
+	uint32_t channels;
 	/*! the payload of the frame */
 	switch_payload_t payload;
 	/*! the timestamp of the frame */

src/include/switch_loadable_module.h

@@ -117,7 +117,7 @@ SWITCH_DECLARE(switch_endpoint_interface_t *) switch_loadable_module_get_endpoin
  */
 SWITCH_DECLARE(switch_codec_interface_t *) switch_loadable_module_get_codec_interface(const char *name);
 
-SWITCH_DECLARE(char *) switch_parse_codec_buf(char *buf, uint32_t *interval, uint32_t *rate, uint32_t *bit);
+SWITCH_DECLARE(char *) switch_parse_codec_buf(char *buf, uint32_t *interval, uint32_t *rate, uint32_t *bit, uint32_t *channels);
 
 /*!
   \brief Retrieve the dialplan interface by it's registered name