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spandsp 0.0.6
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#include <assert.h>#include <inttypes.h>#include "floating_fudge.h"#include <stdlib.h>#include <memory.h>#include "spandsp/telephony.h"#include "spandsp/fast_convert.h"#include "spandsp/bitstream.h"#include "spandsp/saturated.h"#include "spandsp/gsm0610.h"#include "gsm0610_local.h"Functions | |
| int | gsm0610_set_packing (gsm0610_state_t *s, int packing) |
| gsm0610_state_t * | gsm0610_init (gsm0610_state_t *s, int packing) |
| int | gsm0610_release (gsm0610_state_t *s) |
| int | gsm0610_free (gsm0610_state_t *s) |
| int | gsm0610_pack_none (uint8_t c[], const gsm0610_frame_t *s) |
| int | gsm0610_pack_wav49 (uint8_t c[], const gsm0610_frame_t *s) |
| int | gsm0610_pack_voip (uint8_t c[33], const gsm0610_frame_t *s) |
| int | gsm0610_encode (gsm0610_state_t *s, uint8_t code[], const int16_t amp[], int len) |
| int gsm0610_encode | ( | gsm0610_state_t * | s, |
| uint8_t | code[], | ||
| const int16_t | amp[], | ||
| int | len | ||
| ) |
Encode a buffer of linear PCM data to GSM 06.10.
| s | The GSM 06.10 context. |
| code | The GSM 06.10 data produced. |
| amp | The audio sample buffer. |
| len | The number of samples in the buffer. |
References gsm0610_pack_wav49(), and gsm0610_state_s::packing.
| int gsm0610_free | ( | gsm0610_state_t * | s | ) |
Free a GSM 06.10 encode or decode context.
| s | The GSM 06.10 context |
| gsm0610_state_t * gsm0610_init | ( | gsm0610_state_t * | s, |
| int | packing | ||
| ) |
Initialise a GSM 06.10 encode or decode context.
| s | The GSM 06.10 context |
| packing | One of the GSM0610_PACKING_xxx options. |
References gsm0610_state_s::nrp, and gsm0610_state_s::packing.
| int gsm0610_pack_wav49 | ( | uint8_t | c[], |
| const gsm0610_frame_t * | s | ||
| ) |
Pack a pair of GSM 06.10 frames in the format used for wave files (wave type 49).
| c | The buffer for the packed data. This must be at least 65 bytes long. |
| s | A pointer to the frames to be packed. |
Referenced by gsm0610_encode().
| int gsm0610_release | ( | gsm0610_state_t * | s | ) |
Release a GSM 06.10 encode or decode context.
| s | The GSM 06.10 context |
| int gsm0610_set_packing | ( | gsm0610_state_t * | s, |
| int | packing | ||
| ) |
Set the packing format for a GSM 06.10 encode or decode context.
| s | The GSM 06.10 context |
| packing | One of the GSM0610_PACKING_xxx options. |
References gsm0610_state_s::packing.