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Finalization of speech detect interface and API

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This changes the core to have the necessary tools to create
a speech detection interface.

It also changes the code in javascript (mod_spidermonkey)
there are a few api changes in how it handles callbacks

It also adds grammars as a system dir to store asr grammars




git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3291 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2006-11-09 05:39:04 +00:00
parent b942d8e044
commit 44fc26f7d4
20 changed files with 1996 additions and 540 deletions
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src/include/switch_module_interfaces.h
+47 -4
View File
@@ -315,6 +315,53 @@ struct switch_file_handle {
switch_buffer_t *audio_buffer;
};
/*! \brief Abstract interface to an asr module */
struct switch_asr_interface {
/*! the name of the interface */
const char *interface_name;
/*! function to open the asr interface */
switch_status_t (*asr_open)(switch_asr_handle_t *ah,
char *codec,
int rate,
char *dest,
switch_asr_flag_t *flags);
/*! function to load a grammar to the asr interface */
switch_status_t (*asr_load_grammar)(switch_asr_handle_t *ah, char *grammar, char *path);
/*! function to unload a grammar to the asr interface */
switch_status_t (*asr_unload_grammar)(switch_asr_handle_t *ah, char *grammar);
/*! function to close the asr interface */
switch_status_t (*asr_close)(switch_asr_handle_t *ah, switch_asr_flag_t *flags);
/*! function to feed audio to the ASR*/
switch_status_t (*asr_feed)(switch_asr_handle_t *ah, void *data, unsigned int len, switch_asr_flag_t *flags);
/*! function to resume the ASR*/
switch_status_t (*asr_resume)(switch_asr_handle_t *ah);
/*! function to pause the ASR*/
switch_status_t (*asr_pause)(switch_asr_handle_t *ah);
/*! function to read results from the ASR*/
switch_status_t (*asr_check_results)(switch_asr_handle_t *ah, switch_asr_flag_t *flags);
/*! function to read results from the ASR*/
switch_status_t (*asr_get_results)(switch_asr_handle_t *ah, char **xmlstr, switch_asr_flag_t *flags);
const struct switch_asr_interface *next;
};
/*! an abstract representation of an asr speech interface. */
struct switch_asr_handle {
/*! the interface of the module that implemented the current speech interface */
const switch_asr_interface_t *asr_interface;
/*! flags to control behaviour */
uint32_t flags;
/*! The Name*/
char *name;
/*! The Codec*/
char *codec;
/*! The Rate*/
uint32_t rate;
char *grammar;
/*! the handle's memory pool */
switch_memory_pool_t *memory_pool;
/*! private data for the format module to store handle specific info */
void *private_info;
};
/*! \brief Abstract interface to a speech module */
struct switch_speech_interface {
@@ -328,10 +375,6 @@ struct switch_speech_interface {
/*! 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*/
switch_status_t (*speech_feed_asr)(switch_speech_handle_t *sh, void *data, unsigned int *len, int rate, switch_speech_flag_t *flags);
/*! function to read text from the ASR*/
switch_status_t (*speech_interpret_asr)(switch_speech_handle_t *sh, char *buf, unsigned int buflen, switch_speech_flag_t *flags);
/*! function to feed text to the TTS*/
switch_status_t (*speech_feed_tts)(switch_speech_handle_t *sh, char *text, switch_speech_flag_t *flags);
/*! function to read audio from the TTS*/
switch_status_t (*speech_read_tts)(switch_speech_handle_t *sh,