diff options
| author | Johnathan Corgan <johnathan@corganlabs.com> | 2014-04-21 09:41:31 -0700 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2014-04-21 09:41:31 -0700 |
| commit | 33e5aeb722ba4fc1c2ae3162c4940b546037717f (patch) | |
| tree | c3f1e57feeab5ea07e0bc5d7d56791c881f457b7 /gr-vocoder/lib/codec2/codec2.h | |
| parent | a3998949d9c65076d91e3165733a5abd381ad882 (diff) | |
| parent | 5efae492bb690e8e92fe18fb0abe0aff345c3935 (diff) | |
Merge branch 'merge-codec2-update'
Diffstat (limited to 'gr-vocoder/lib/codec2/codec2.h')
| -rw-r--r-- | gr-vocoder/lib/codec2/codec2.h | 54 |
1 files changed, 43 insertions, 11 deletions
diff --git a/gr-vocoder/lib/codec2/codec2.h b/gr-vocoder/lib/codec2/codec2.h index f812a05983..2f0c2b1246 100644 --- a/gr-vocoder/lib/codec2/codec2.h +++ b/gr-vocoder/lib/codec2/codec2.h @@ -2,10 +2,10 @@ FILE........: codec2.h AUTHOR......: David Rowe - DATE CREATED: 21/8/2010 + DATE CREATED: 21 August 2010 - Codec2 fully quantised encoder and decoder functions. If you want use - codec2, these are the functions you need to call. + Codec 2 fully quantised encoder and decoder functions. If you want use + Codec 2, these are the functions you need to call. \*---------------------------------------------------------------------------*/ @@ -26,17 +26,49 @@ along with this program; if not, see <http://www.gnu.org/licenses/>. */ +#ifdef __cplusplus + extern "C" { +#endif + #ifndef __CODEC2__ #define __CODEC2__ -#define CODEC2_SAMPLES_PER_FRAME 160 -#define CODEC2_BITS_PER_FRAME 50 -#define CODEC2_BYTES_PER_FRAME ((CODEC2_BITS_PER_FRAME + 7) / 8) // == 8 bytes when packing the 50 bits +/* set up the calling convention for DLL function import/export for + WIN32 cross compiling */ + +#ifdef __CODEC2_WIN32__ +#ifdef __CODEC2_BUILDING_DLL__ +#define CODEC2_WIN32SUPPORT __declspec(dllexport) __stdcall +#else +#define CODEC2_WIN32SUPPORT __declspec(dllimport) __stdcall +#endif +#else +#define CODEC2_WIN32SUPPORT +#endif + +#define CODEC2_MODE_3200 0 +#define CODEC2_MODE_2400 1 +#define CODEC2_MODE_1600 2 +#define CODEC2_MODE_1400 3 +#define CODEC2_MODE_1300 4 +#define CODEC2_MODE_1200 5 -void *codec2_create(); -void codec2_destroy(void *codec2_state); -void codec2_encode(void *codec2_state, unsigned char * bits, short speech_in[]); -void codec2_decode(void *codec2_state, short speech_out[], - const unsigned char * bits); +struct CODEC2; + +struct CODEC2 * CODEC2_WIN32SUPPORT codec2_create(int mode); +void CODEC2_WIN32SUPPORT codec2_destroy(struct CODEC2 *codec2_state); +void CODEC2_WIN32SUPPORT codec2_encode(struct CODEC2 *codec2_state, unsigned char * bits, short speech_in[]); + void CODEC2_WIN32SUPPORT codec2_decode(struct CODEC2 *codec2_state, short speech_out[], const unsigned char *bits, float ber_est); +int CODEC2_WIN32SUPPORT codec2_samples_per_frame(struct CODEC2 *codec2_state); +int CODEC2_WIN32SUPPORT codec2_bits_per_frame(struct CODEC2 *codec2_state); + +void CODEC2_WIN32SUPPORT codec2_set_lpc_post_filter(struct CODEC2 *codec2_state, int enable, int bass_boost, float beta, float gamma); +int CODEC2_WIN32SUPPORT codec2_get_spare_bit_index(struct CODEC2 *codec2_state); +int CODEC2_WIN32SUPPORT codec2_rebuild_spare_bit(struct CODEC2 *codec2_state, int unpacked_bits[]); #endif + +#ifdef __cplusplus +} +#endif + |