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mbed-os-example-blinky
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speex.h File Reference
Describes the different modes of the codec. More...
Go to the source code of this file.
Data Structures | |
| struct | SpeexMode |
| Struct defining a Speex mode. More... | |
Typedefs | |
| typedef void *(* | encoder_init_func )(const struct SpeexMode *mode) |
| Encoder state initialization function. | |
| typedef void(* | encoder_destroy_func )(void *st) |
| Encoder state destruction function. | |
| typedef int(* | encode_func )(void *state, void *in, SpeexBits *bits) |
| Main encoding function. | |
| typedef int(* | encoder_ctl_func )(void *state, int request, void *ptr) |
| Function for controlling the encoder options. | |
| typedef void *(* | decoder_init_func )(const struct SpeexMode *mode) |
| Decoder state initialization function. | |
| typedef void(* | decoder_destroy_func )(void *st) |
| Decoder state destruction function. | |
| typedef int(* | decode_func )(void *state, SpeexBits *bits, void *out) |
| Main decoding function. | |
| typedef int(* | decoder_ctl_func )(void *state, int request, void *ptr) |
| Function for controlling the decoder options. | |
| typedef int(* | mode_query_func )(const void *mode, int request, void *ptr) |
| Query function for a mode. | |
| typedef struct SpeexMode | SpeexMode |
| Struct defining a Speex mode. | |
Functions | |
| void * | speex_encoder_init (const SpeexMode *mode) |
| Returns a handle to a newly created Speex encoder state structure. | |
| void | speex_encoder_destroy (void *state) |
| Frees all resources associated to an existing Speex encoder state. | |
| int | speex_encode (void *state, float *in, SpeexBits *bits) |
| Uses an existing encoder state to encode one frame of speech pointed to by "in". | |
| int | speex_encode_int (void *state, spx_int16_t *in, SpeexBits *bits) |
| Uses an existing encoder state to encode one frame of speech pointed to by "in". | |
| int | speex_encoder_ctl (void *state, int request, void *ptr) |
| Used like the ioctl function to control the encoder parameters. | |
| void * | speex_decoder_init (const SpeexMode *mode) |
| Returns a handle to a newly created decoder state structure. | |
| void | speex_decoder_destroy (void *state) |
| Frees all resources associated to an existing decoder state. | |
| int | speex_decode (void *state, SpeexBits *bits, float *out) |
| Uses an existing decoder state to decode one frame of speech from bit-stream bits. | |
| int | speex_decode_int (void *state, SpeexBits *bits, spx_int16_t *out) |
| Uses an existing decoder state to decode one frame of speech from bit-stream bits. | |
| int | speex_decoder_ctl (void *state, int request, void *ptr) |
| Used like the ioctl function to control the encoder parameters. | |
| int | speex_mode_query (const SpeexMode *mode, int request, void *ptr) |
| Query function for mode information. | |
| int | speex_lib_ctl (int request, void *ptr) |
| Functions for controlling the behavior of libspeex. | |
| const SpeexMode * | speex_lib_get_mode (int mode) |
| Obtain one of the modes available. | |
Variables | |
| const SpeexMode | speex_nb_mode |
| Default narrowband mode. | |
| const SpeexMode | speex_wb_mode |
| Default wideband mode. | |
| const SpeexMode | speex_uwb_mode |
| Default "ultra-wideband" mode. | |
| const SpeexMode | speex_nb_48k_mode |
| 4.8 kbps narrowband mode | |
| const SpeexMode *const | speex_mode_list [SPEEX_NB_MODES] |
| List of all modes available. | |
Detailed Description
Describes the different modes of the codec.
Definition in file speex.h.
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