static int lin16tog722_new(struct ast_trans_pvt *pvt)
{
struct g722_encoder_pvt *tmp = pvt->pvt;
g722_encode_init(&tmp->g722, 64000, 0);
return 0;
}
/*! \brief init a new instance of g722_encoder_pvt. */
static int lintog722_new(struct ast_trans_pvt *pvt)
{
struct g722_encoder_pvt *tmp = pvt->pvt;
g722_encode_init(&tmp->g722, 64000, G722_SAMPLE_RATE_8000);
return 0;
}
static struct cw_translator_pvt *lintog722_new(void)
{
struct g722_encoder_pvt *tmp;
if ((tmp = malloc(sizeof (struct g722_encoder_pvt))) == NULL)
return NULL;
memset(tmp, 0, sizeof(*tmp));
g722_encode_init(&(tmp->g722_state), 64000, G722_PACKED);
localusecnt++;
cw_update_use_count();
return (struct cw_translator_pvt *) tmp;
}
int CTG722::encodeFrame(short *pIn,unsigned char *pOut)
{
if(!estate){
estate=g722_encode_init(NULL,BPS,iSampleRate==8000?G722_SAMPLE_RATE_8000|G722_PACKED:G722_PACKED);
if(!estate)return 0;
}
// for(int i=0;i<iCodecFrameSizeDec/2;i++)pIn[i]>>=1;
int r=g722_encode((g722_encode_state_t*)estate,pOut,pIn,iCodecFrameSizeDec/2);
//printf(" re=%d %d\n",r,iCodecFrameSizeEnc);
//iCodecFrameSizeEnc=r;
return r;
}
long G722NB_create(const char* format_parameters, amci_codec_fmt_info_t* format_description)
{
G722State* gs;
gs = (G722State*) calloc(1, sizeof(G722State));
if (!gs) {
ERROR("error allocating memory for G722 codec state\n");
return 0;
}
if (!g722_encode_init(&gs->encode_state,
64000,
#if SYSTEM_SAMPLERATE >=16000
0
#else
G722_SAMPLE_RATE_8000
#endif
)) {
ERROR("error initializing G722 encoder\n");
free(gs);
return 0;
}
if (!g722_decode_init(&gs->decode_state,
64000,
#if SYSTEM_SAMPLERATE >=16000
0
#else
G722_SAMPLE_RATE_8000
#endif
)) {
ERROR("error initializing G722 decoder\n");
free(gs);
return 0;
}
format_description[0].id = AMCI_FMT_FRAME_LENGTH;
format_description[0].value = 20;
format_description[1].id = AMCI_FMT_FRAME_SIZE;
#if SYSTEM_SAMPLERATE >=16000
format_description[1].value = 320; /* 20 ms at 16khz */
#else
format_description[1].value = 160;
#endif
format_description[2].id = 0;
return (long)gs;
}
static switch_status_t switch_g722_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
{
uint32_t encoding, decoding;
struct g722_context *context = NULL;
encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(struct g722_context))))) {
return SWITCH_STATUS_FALSE;
} else {
if (encoding) {
context->encoder_object = g722_encode_init(context->encoder_object, 64000, G722_PACKED);
}
if (decoding) {
context->decoder_object = g722_decode_init(context->decoder_object, 64000, G722_PACKED);
}
}
codec->private_info = context;
return SWITCH_STATUS_SUCCESS;
}
JNIEXPORT jlong JNICALL
Java_org_jitsi_impl_neomedia_codec_audio_g722_JNIEncoder_g722_1encoder_1open
(JNIEnv *jniEnv, jclass clazz)
{
return (jlong) (intptr_t) g722_encode_init(NULL, 64000, 0);
}
