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/**
* @file mpa.h Private mpa Interface
*
* Copyright (C) 2016 Symonics GmbH
*/
#define MPA_FRAMESIZE 1152
#define MPA_IORATE 48000
#define MPA_RTPRATE 90000
#define BARESIP_FRAMESIZE (MPA_IORATE/50*2)
#undef DEBUG
struct mpa_param {
unsigned samplerate;
unsigned bitrate;
unsigned layer;
int mode; /* MPEG_mode */
};
/* Encode */
int mpa_encode_update(struct auenc_state **aesp, const struct aucodec *ac,
struct auenc_param *prm, const char *fmtp);
int mpa_encode_frm(struct auenc_state *aes,
bool *marker, uint8_t *buf, size_t *len,
int fmt, const void *sampv, size_t sampc);
/* Decode */
int mpa_decode_update(struct audec_state **adsp, const struct aucodec *ac,
const char *fmtp);
int mpa_decode_frm(struct audec_state *ads,
int fmt, void *sampv, size_t *sampc,
bool marker, const uint8_t *buf, size_t len);
/* SDP */
void mpa_decode_fmtp(struct mpa_param *prm, const char *fmtp);
void mpa_mirror_params(const char *fmtp);
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