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first pass of stereo support

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This commit is contained in:
Anthony Minessale
2014-06-12 22:06:33 +05:00
parent 7f36607ea5
commit 928a989de1
20 changed files with 592 additions and 205 deletions
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src/include/switch_core.h
+3 -1
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@@ -1870,7 +1870,9 @@ SWITCH_DECLARE(switch_status_t) switch_core_speech_open(_In_ switch_speech_handl
const char *module_name,
const char *voice_name,
_In_ unsigned int rate,
_In_ unsigned int interval, switch_speech_flag_t *flags, _In_opt_ switch_memory_pool_t *pool);
_In_ unsigned int interval,
_In_ unsigned int channels,
switch_speech_flag_t *flags, _In_opt_ switch_memory_pool_t *pool);
/*!
\brief Feed text to the TTS module
\param sh the speech handle to feed
src/include/switch_module_interfaces.h
+6 -1
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@@ -311,6 +311,7 @@ struct switch_file_handle {
uint32_t native_rate;
/*! the number of channels */
uint32_t channels;
uint32_t real_channels;
/*! integer representation of the format */
unsigned int format;
/*! integer representation of the sections */
@@ -435,7 +436,7 @@ struct switch_speech_interface {
/*! the name of the interface */
const char *interface_name;
/*! function to open the speech interface */
switch_status_t (*speech_open) (switch_speech_handle_t *sh, const char *voice_name, int rate, switch_speech_flag_t *flags);
switch_status_t (*speech_open) (switch_speech_handle_t *sh, const char *voice_name, int rate, int channels, switch_speech_flag_t *flags);
/*! function to close the speech interface */
switch_status_t (*speech_close) (switch_speech_handle_t *, switch_speech_flag_t *flags);
/*! function to feed audio to the ASR */
@@ -466,6 +467,8 @@ struct switch_speech_handle {
uint32_t rate;
uint32_t speed;
uint32_t samples;
uint32_t channels;
uint32_t real_channels;
char voice[80];
char *engine;
/*! module specific param */
@@ -599,6 +602,8 @@ struct switch_codec_fmtp {
int bits_per_second;
/*! number of microseconds of media in one packet (ptime * 1000) */
int microseconds_per_packet;
/*! stereo */
int stereo;
/*! private data for the codec module to store handle specific info */
void *private_info;
src/include/switch_resample.h
+3 -1
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@@ -67,6 +67,8 @@ SWITCH_BEGIN_EXTERN_C
uint32_t to_len;
/*! the total size of the to buffer */
uint32_t to_size;
/*! the number of channels */
int channels;
} switch_audio_resampler_t;
@@ -171,7 +173,7 @@ SWITCH_DECLARE(void) switch_change_sln_volume_granular(int16_t *data, uint32_t s
SWITCH_DECLARE(uint32_t) switch_merge_sln(int16_t *data, uint32_t samples, int16_t *other_data, uint32_t other_samples);
SWITCH_DECLARE(uint32_t) switch_unmerge_sln(int16_t *data, uint32_t samples, int16_t *other_data, uint32_t other_samples);
SWITCH_DECLARE(void) switch_mux_channels(int16_t *data, switch_size_t samples, uint32_t channels);
SWITCH_DECLARE(void) switch_mux_channels(int16_t *data, switch_size_t samples, uint32_t orig_channels, uint32_t channels);
SWITCH_END_EXTERN_C
#endif