int g7221_decode_update(struct audec_state **adsp, const struct aucodec *ac,
const char *fmtp)
{
const struct g7221_aucodec *g7221 = (struct g7221_aucodec *)ac;
struct audec_state *ads;
(void)fmtp;
if (!adsp || !ac)
return EINVAL;
ads = *adsp;
if (ads)
return 0;
ads = mem_alloc(sizeof(*ads), NULL);
if (!ads)
return ENOMEM;
if (!g722_1_decode_init(&ads->dec, g7221->bitrate, ac->srate)) {
mem_deref(ads);
return EPROTO;
}
*adsp = ads;
return 0;
}
static switch_status_t switch_siren_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
{
struct siren_context *context = NULL;
int encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
int decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
int bit_rate = codec->implementation->bits_per_second;
if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(*context))))) {
return SWITCH_STATUS_FALSE;
}
codec->fmtp_out = switch_core_sprintf(codec->memory_pool, "bitrate=%d", bit_rate);
if (encoding) {
g722_1_encode_init(&context->encoder_object, bit_rate, codec->implementation->samples_per_second);
}
if (decoding) {
g722_1_decode_init(&context->decoder_object, bit_rate, codec->implementation->samples_per_second);
}
codec->private_info = context;
return SWITCH_STATUS_SUCCESS;
}
static void * G7221DecoderCreate(const struct PluginCodec_Definition * defn)
{
return g722_1_decode_init(NULL, defn->bitsPerSec, defn->sampleRate);
}