int init_audio_encoder(CodecState *cs, uint32_t audio_channels)
{
int rc = OPUS_OK;
cs->audio_encoder = opus_encoder_create(cs->audio_sample_rate, audio_channels, OPUS_APPLICATION_AUDIO, &rc);
if ( rc != OPUS_OK ) {
LOGGER_ERROR("Error while starting audio encoder: %s", opus_strerror(rc));
return -1;
}
rc = opus_encoder_ctl(cs->audio_encoder, OPUS_SET_BITRATE(cs->audio_bitrate));
if ( rc != OPUS_OK ) {
LOGGER_ERROR("Error while setting encoder ctl: %s", opus_strerror(rc));
return -1;
}
rc = opus_encoder_ctl(cs->audio_encoder, OPUS_SET_COMPLEXITY(10));
if ( rc != OPUS_OK ) {
LOGGER_ERROR("Error while setting encoder ctl: %s", opus_strerror(rc));
return -1;
}
return 0;
}
static void ms_opus_enc_preprocess(MSFilter *f) {
int error;
OpusEncData *d = (OpusEncData *)f->data;
/* create the encoder */
d->state = opus_encoder_create(d->samplerate, d->channels, d->application, &error);
if (error != OPUS_OK) {
ms_error("Opus encoder creation failed: %s", opus_strerror(error));
return;
}
/* set complexity to 0 for single processor arm devices */
#if defined(__arm__) || defined(_M_ARM)
if (ms_factory_get_cpu_count(f->factory)==1){
opus_encoder_ctl(d->state, OPUS_SET_COMPLEXITY(0));
}else{
opus_encoder_ctl(d->state, OPUS_SET_COMPLEXITY(5));
}
#endif
error = opus_encoder_ctl(d->state, OPUS_SET_PACKET_LOSS_PERC(10));
if (error != OPUS_OK) {
ms_error("Could not set default loss percentage to opus encoder: %s", opus_strerror(error));
}
/* set the encoder parameters: VBR, IN_BAND_FEC, DTX and bitrate settings */
ms_opus_enc_set_vbr(f);
ms_opus_enc_set_inbandfec(f);
ms_opus_enc_set_dtx(f);
/* if decoder prefers mono signal, force encoder to output mono signal */
if (d->stereo == 0) {
error = opus_encoder_ctl(d->state, OPUS_SET_FORCE_CHANNELS(1));
if (error != OPUS_OK) {
ms_error("could not force mono channel to opus encoder: %s", opus_strerror(error));
}
if (d->channels == 2) ms_message("Opus encoder configured to encode mono despite it is feed with stereo.");
}else if (d->channels == 2){
ms_message("Opus encoder configured to encode stereo.");
}
ms_filter_lock(f);
// set bitrate wasn't call, compute it with the default network bitrate (36000)
if (d->bitrate==-1) {
compute_max_bitrate(d, 0);
}
apply_max_bitrate(d);
ms_filter_unlock(f);
}
static int alloc(struct aucodec_st **stp, struct aucodec *ac,
struct aucodec_prm *encp, struct aucodec_prm *decp,
const char *fmtp)
{
struct aucodec_st *st;
const uint32_t srate = aucodec_srate(ac);
const uint8_t ch = aucodec_ch(ac);
uint32_t ptime = DEFAULT_PTIME;
int use_inbandfec;
int use_dtx;
int err = 0;
int opuserr;
(void)decp;
(void)fmtp;
st = mem_zalloc(sizeof(*st), destructor);
if (!st)
return ENOMEM;
if (encp && encp->ptime)
ptime = encp->ptime;
st->ac = mem_ref(ac);
st->frame_size = srate * ptime / 1000;
st->fsize = 2 * st->frame_size * ch;
/* Encoder */
st->enc = opus_encoder_create(srate, ch, opus.app, &opuserr);
if (!st->enc) {
err = ENOMEM;
goto out;
}
use_inbandfec = 1;
use_dtx = 1;
opus_encoder_ctl(st->enc, OPUS_SET_BITRATE(opus.bitrate));
opus_encoder_ctl(st->enc, OPUS_SET_BANDWIDTH(opus.bandwidth));
opus_encoder_ctl(st->enc, OPUS_SET_VBR(opus.vbr));
opus_encoder_ctl(st->enc, OPUS_SET_COMPLEXITY(opus.complex));
opus_encoder_ctl(st->enc, OPUS_SET_INBAND_FEC(use_inbandfec));
opus_encoder_ctl(st->enc, OPUS_SET_DTX(use_dtx));
/* Decoder */
st->dec = opus_decoder_create(srate, ch, &opuserr);
if (!st->dec) {
err = ENOMEM;
goto out;
}
out:
if (err)
mem_deref(st);
else
*stp = st;
return err;
}
bool OpusEncode::SetComplexity(int complex)
{
assert(m_encoder);
if(!m_encoder)
return false;
int err = opus_encoder_ctl(m_encoder, OPUS_SET_COMPLEXITY(complex));
assert(err == 0);
return err == 0;
}
int init_audio_encoder(CodecState *cs, uint32_t audio_channels)
{
int err = OPUS_OK;
cs->audio_encoder = opus_encoder_create(cs->audio_sample_rate, audio_channels, OPUS_APPLICATION_AUDIO, &err);
err = opus_encoder_ctl(cs->audio_encoder, OPUS_SET_BITRATE(cs->audio_bitrate));
err = opus_encoder_ctl(cs->audio_encoder, OPUS_SET_COMPLEXITY(10));
return err == OPUS_OK ? 0 : -1;
}
JNIEXPORT jint JNICALL
Java_org_jitsi_impl_neomedia_codec_audio_opus_Opus_encoder_1set_1complexity
(JNIEnv *env, jclass clazz, jlong encoder, jint complexity)
{
opus_int32 x = complexity;
return
opus_encoder_ctl(
(OpusEncoder *) (intptr_t) encoder,
OPUS_SET_COMPLEXITY(x));
}
//function sets up the encoder/decoder structs and buffers, returns required samples/frame
int setup_codecs(){
//create the encoder and decoder state structs
int error = 0;
if(!(enc_state = opus_encoder_create(SAMPLE_RATE,1,APP_MODE,&error)))
printf("Error Creating Encoder: %d\n",error);
if(!(dec_state = opus_decoder_create(SAMPLE_RATE,1,&error)))
printf("Error Creating Decoder: %d\n",error);
opus_encoder_ctl(enc_state, OPUS_SET_COMPLEXITY(QUALITY));
return FRAME_SIZE; //return the frame size (
}
OpusEncoder *create_audio_encoder(Logger *log, int32_t bit_rate, int32_t sampling_rate, int32_t channel_count)
{
int status = OPUS_OK;
OpusEncoder *rc = opus_encoder_create(sampling_rate, channel_count, OPUS_APPLICATION_VOIP, &status);
if (status != OPUS_OK) {
LOGGER_ERROR(log, "Error while starting audio encoder: %s", opus_strerror(status));
return NULL;
}
status = opus_encoder_ctl(rc, OPUS_SET_BITRATE(bit_rate));
if (status != OPUS_OK) {
LOGGER_ERROR(log, "Error while setting encoder ctl: %s", opus_strerror(status));
goto FAILURE;
}
/* Enable in-band forward error correction in codec */
status = opus_encoder_ctl(rc, OPUS_SET_INBAND_FEC(1));
if (status != OPUS_OK) {
LOGGER_ERROR(log, "Error while setting encoder ctl: %s", opus_strerror(status));
goto FAILURE;
}
/* Make codec resistant to up to 10% packet loss
* NOTE This could also be adjusted on the fly, rather than hard-coded,
* with feedback from the receiving client.
*/
status = opus_encoder_ctl(rc, OPUS_SET_PACKET_LOSS_PERC(10));
if (status != OPUS_OK) {
LOGGER_ERROR(log, "Error while setting encoder ctl: %s", opus_strerror(status));
goto FAILURE;
}
/* Set algorithm to the highest complexity, maximizing compression */
status = opus_encoder_ctl(rc, OPUS_SET_COMPLEXITY(10));
if (status != OPUS_OK) {
LOGGER_ERROR(log, "Error while setting encoder ctl: %s", opus_strerror(status));
goto FAILURE;
}
return rc;
FAILURE:
opus_encoder_destroy(rc);
return NULL;
}
bool FVoiceEncoderOpus::Init(int32 InSampleRate, int32 InNumChannels)
{
UE_LOG(LogVoiceEncode, Display, TEXT("EncoderVersion: %s"), ANSI_TO_TCHAR(opus_get_version_string()));
SampleRate = InSampleRate;
NumChannels = InNumChannels;
// 20ms frame sizes are a good choice for most applications (1000ms / 20ms = 50)
FrameSize = SampleRate / NUM_OPUS_FRAMES_PER_SEC;
//MaxFrameSize = FrameSize * MAX_OPUS_FRAMES;
int32 EncError = 0;
#if USE_UE4_MEM_ALLOC
int32 EncSize = opus_encoder_get_size(NumChannels);
Encoder = (OpusEncoder*)FMemory::Malloc(EncSize);
EncError = opus_encoder_init(Encoder, SampleRate, NumChannels, OPUS_APPLICATION_VOIP);
#else
Encoder = opus_encoder_create(SampleRate, NumChannels, OPUS_APPLICATION_VOIP, &EncError);
#endif
if (EncError != OPUS_OK)
{
UE_LOG(LogVoiceEncode, Warning, TEXT("Failed to init Opus Encoder: %s"), ANSI_TO_TCHAR(opus_strerror(EncError)));
Destroy();
}
// Turn on variable bit rate encoding
int32 UseVbr = 1;
opus_encoder_ctl(Encoder, OPUS_SET_VBR(UseVbr));
// Turn off constrained VBR
int32 UseCVbr = 0;
opus_encoder_ctl(Encoder, OPUS_SET_VBR_CONSTRAINT(UseCVbr));
// Complexity (1-10)
int32 Complexity = 1;
opus_encoder_ctl(Encoder, OPUS_SET_COMPLEXITY(Complexity));
// Forward error correction
int32 InbandFEC = 0;
opus_encoder_ctl(Encoder, OPUS_SET_INBAND_FEC(InbandFEC));
#if DEBUG_OPUS
DebugEncoderInfo(Encoder);
#endif // DEBUG_OPUS
return EncError == OPUS_OK;
}
static gboolean
gst_opus_enc_setup (GstOpusEnc * enc)
{
int error = OPUS_OK;
#ifndef GST_DISABLE_DEBUG
GST_DEBUG_OBJECT (enc,
"setup: %d Hz, %d channels, %d stereo streams, family %d",
enc->sample_rate, enc->n_channels, enc->n_stereo_streams,
enc->channel_mapping_family);
GST_INFO_OBJECT (enc, "Mapping tables built: %d channels, %d stereo streams",
enc->n_channels, enc->n_stereo_streams);
gst_opus_common_log_channel_mapping_table (GST_ELEMENT (enc), opusenc_debug,
"Encoding mapping table", enc->n_channels, enc->encoding_channel_mapping);
gst_opus_common_log_channel_mapping_table (GST_ELEMENT (enc), opusenc_debug,
"Decoding mapping table", enc->n_channels, enc->decoding_channel_mapping);
#endif
enc->state = opus_multistream_encoder_create (enc->sample_rate,
enc->n_channels, enc->n_channels - enc->n_stereo_streams,
enc->n_stereo_streams, enc->encoding_channel_mapping,
enc->audio_or_voip ? OPUS_APPLICATION_AUDIO : OPUS_APPLICATION_VOIP,
&error);
if (!enc->state || error != OPUS_OK)
goto encoder_creation_failed;
opus_multistream_encoder_ctl (enc->state, OPUS_SET_BITRATE (enc->bitrate), 0);
opus_multistream_encoder_ctl (enc->state, OPUS_SET_BANDWIDTH (enc->bandwidth),
0);
opus_multistream_encoder_ctl (enc->state, OPUS_SET_VBR (!enc->cbr), 0);
opus_multistream_encoder_ctl (enc->state,
OPUS_SET_VBR_CONSTRAINT (enc->constrained_vbr), 0);
opus_multistream_encoder_ctl (enc->state,
OPUS_SET_COMPLEXITY (enc->complexity), 0);
opus_multistream_encoder_ctl (enc->state,
OPUS_SET_INBAND_FEC (enc->inband_fec), 0);
opus_multistream_encoder_ctl (enc->state, OPUS_SET_DTX (enc->dtx), 0);
opus_multistream_encoder_ctl (enc->state,
OPUS_SET_PACKET_LOSS_PERC (enc->packet_loss_percentage), 0);
GST_LOG_OBJECT (enc, "we have frame size %d", enc->frame_size);
return TRUE;
encoder_creation_failed:
GST_ERROR_OBJECT (enc, "Encoder creation failed");
return FALSE;
}
int init_send_audio(codec_state *cs)
{
cs->support_send_audio = 0;
const ALchar *pDeviceList = alcGetString(NULL, ALC_CAPTURE_DEVICE_SPECIFIER);
int i = 0;
const ALchar *device_names[20];
if (pDeviceList) {
printf("\nAvailable Capture Devices are:\n");
while (*pDeviceList) {
device_names[i] = pDeviceList;
printf("%d) %s\n", i, device_names[i]);
pDeviceList += strlen(pDeviceList) + 1;
++i;
}
}
printf("enter capture device number: \n");
char dev[2];
fgets(dev, sizeof(dev), stdin);
cs->audio_capture_device = alcCaptureOpenDevice(device_names[dev[0] - 48], AUDIO_SAMPLE_RATE, AL_FORMAT_MONO16,
AUDIO_FRAME_SIZE * 4);
if (alcGetError(cs->audio_capture_device) != AL_NO_ERROR) {
printf("could not start capture device! %d\n", alcGetError(cs->audio_capture_device));
return 0;
}
int err = OPUS_OK;
cs->audio_bitrate = AUDIO_BITRATE;
cs->audio_encoder = opus_encoder_create(AUDIO_SAMPLE_RATE, 1, OPUS_APPLICATION_VOIP, &err);
err = opus_encoder_ctl(cs->audio_encoder, OPUS_SET_BITRATE(cs->audio_bitrate));
err = opus_encoder_ctl(cs->audio_encoder, OPUS_SET_COMPLEXITY(10));
err = opus_encoder_ctl(cs->audio_encoder, OPUS_SET_SIGNAL(OPUS_SIGNAL_VOICE));
opus_encoder_init(cs->audio_encoder, AUDIO_SAMPLE_RATE, 1, OPUS_APPLICATION_VOIP);
int nfo;
err = opus_encoder_ctl(cs->audio_encoder, OPUS_GET_LOOKAHEAD(&nfo));
/* printf("Encoder lookahead delay : %d\n", nfo); */
printf("init audio encoder successful\n");
return 1;
}
static void audio_encoder_init(uint32_t samplerate, int complexity,
uint32_t bitrate)
{
assert(opus_enc == NULL);
int err = 0;
/* 1 channel (mono), OPUS audio profile */
opus_enc = opus_encoder_create(samplerate, 1, OPUS_APPLICATION_AUDIO, &err);
if (!opus_enc) {
fprintf(stderr, "ERROR: opus_encoder_create() has failed - %d\n", err);
exit(EXIT_FAILURE);
}
opus_encoder_ctl(opus_enc, OPUS_SET_COMPLEXITY(complexity));
opus_encoder_ctl(opus_enc, OPUS_SET_BITRATE(bitrate));
opus_encoder_ctl(opus_enc, OPUS_SET_SIGNAL(OPUS_SIGNAL_MUSIC));
opus_encoder_ctl(opus_enc, OPUS_SET_BANDWIDTH(OPUS_BANDWIDTH_FULLBAND));
}
static void ms_opus_enc_preprocess(MSFilter *f) {
int error;
OpusEncData *d = (OpusEncData *)f->data;
/* create the encoder */
d->state = opus_encoder_create(d->samplerate, d->channels, d->application, &error);
if (error != OPUS_OK) {
ms_error("Opus encoder creation failed: %s", opus_strerror(error));
return;
}
/* set complexity to 0 for arm devices */
#ifdef __arm__
opus_encoder_ctl(d->state, OPUS_SET_COMPLEXITY(0));
#endif
error = opus_encoder_ctl(d->state, OPUS_SET_PACKET_LOSS_PERC(10));
if (error != OPUS_OK) {
ms_error("Could not set default loss percentage to opus encoder: %s", opus_strerror(error));
}
/* set the encoder parameters: VBR, IN_BAND_FEC, DTX and bitrate settings */
ms_opus_enc_set_vbr(f);
ms_opus_enc_set_inbandfec(f);
ms_opus_enc_set_dtx(f);
/* if decoder prefers mono signal, force encoder to output mono signal */
if (d->stereo == 0) {
error = opus_encoder_ctl(d->state, OPUS_SET_FORCE_CHANNELS(1));
if (error != OPUS_OK) {
ms_error("could not force mono channel to opus encoder: %s", opus_strerror(error));
}
}
ms_filter_lock(f);
if (d->ptime==-1) { // set ptime wasn't call, set default:20ms
d->ptime = 20;
}
if (d->bitrate==-1) { // set bitrate wasn't call, compute it with the default network bitrate (36000)
compute_max_bitrate(d, 0);
}
apply_max_bitrate(d);
ms_filter_unlock(f);
}
/**
* OPUS init
*/
static void
opus_init ()
{
int err;
pcm_length = FRAME_SIZE * CHANNELS * sizeof (float);
pcm_buffer = pa_xmalloc (pcm_length);
opus_data = GNUNET_malloc (MAX_PAYLOAD_BYTES);
enc = opus_encoder_create (SAMPLING_RATE,
CHANNELS,
CONV_OPUS_APP_TYPE,
&err);
opus_encoder_ctl (enc,
OPUS_SET_PACKET_LOSS_PERC (CONV_OPUS_PACKET_LOSS_PERCENTAGE));
opus_encoder_ctl (enc,
OPUS_SET_COMPLEXITY (CONV_OPUS_ENCODING_COMPLEXITY));
opus_encoder_ctl (enc,
OPUS_SET_INBAND_FEC (CONV_OPUS_INBAND_FEC));
opus_encoder_ctl (enc,
OPUS_SET_SIGNAL (CONV_OPUS_SIGNAL));
}
static int recreate_encoder(Group_AV *group_av)
{
if (group_av->audio_encoder) {
opus_encoder_destroy(group_av->audio_encoder);
group_av->audio_encoder = NULL;
}
int rc = OPUS_OK;
group_av->audio_encoder = opus_encoder_create(group_av->audio_sample_rate, group_av->audio_channels,
OPUS_APPLICATION_AUDIO, &rc);
if (rc != OPUS_OK) {
LOGGER_ERROR("Error while starting audio encoder: %s", opus_strerror(rc));
group_av->audio_encoder = NULL;
return -1;
}
rc = opus_encoder_ctl(group_av->audio_encoder, OPUS_SET_BITRATE(group_av->audio_bitrate));
if (rc != OPUS_OK) {
LOGGER_ERROR("Error while setting encoder ctl: %s", opus_strerror(rc));
opus_encoder_destroy(group_av->audio_encoder);
group_av->audio_encoder = NULL;
return -1;
}
rc = opus_encoder_ctl(group_av->audio_encoder, OPUS_SET_COMPLEXITY(10));
if (rc != OPUS_OK) {
LOGGER_ERROR("Error while setting encoder ctl: %s", opus_strerror(rc));
opus_encoder_destroy(group_av->audio_encoder);
group_av->audio_encoder = NULL;
return -1;
}
return 0;
}
JNIEXPORT jint JNICALL Java_com_air_mobilebrowser_opusogg_OpusEncoder_native_1OpusEncoderCreate(JNIEnv *env, jobject jobj, jint sampleRate, jint channels, jdouble frameDur, jint bufSize) {
int error = 0;
if (curEncoder != NULL) {
return -999;
}
curEncoder = opus_encoder_create(sampleRate, channels, OPUS_APPLICATION_VOIP, &error);
if (error == OPUS_OK) {
opus_encoder_ctl(curEncoder, OPUS_SET_COMPLEXITY(5));
opus_encoder_ctl(curEncoder, OPUS_SET_SIGNAL(OPUS_SIGNAL_VOICE));
opus_encoder_ctl(curEncoder, OPUS_SET_LSB_DEPTH(8));
frame_size = frameDur * sampleRate;
pcm_len = frame_size*channels*sizeof(opus_int16);
jclass cls = (*env)->GetObjectClass(env, jobj);
jmethodID mid = (*env)->GetMethodID(env, cls, "setTargetSize", "(I)V");
(*env)->CallVoidMethod(env, jobj, mid, pcm_len);
}
return error;
}
bool OpusCodec::startCodec()
{
#ifdef HAVE_OPUS
int err;
//
// Load Libraries
//
opus_handle=dlopen("libopus.so.0",RTLD_LAZY);
if(opus_handle==NULL) {
Log(LOG_ERR,"unsupported audio format (library not found)");
return false;
}
*(void **)(&opus_encoder_create)=dlsym(opus_handle,"opus_encoder_create");
*(void **)(&opus_encoder_init)=dlsym(opus_handle,"opus_encoder_init");
*(void **)(&opus_encode)=dlsym(opus_handle,"opus_encode");
*(void **)(&opus_encode_float)=dlsym(opus_handle,"opus_encode_float");
*(void **)(&opus_encoder_destroy)=dlsym(opus_handle,"opus_encoder_destroy");
*(void **)(&opus_encoder_ctl)=dlsym(opus_handle,"opus_encoder_ctl");
*(void **)(&opus_strerror)=dlsym(opus_handle,"opus_strerror");
opus_ogg_handle=dlopen("libogg.so.0",RTLD_LAZY);
if(opus_ogg_handle==NULL) {
Log(LOG_ERR,"unsupported audio format (library not found)");
return false;
}
*(void **)(&oggpack_writeinit)=dlsym(opus_ogg_handle,"oggpack_writeint");
*(void **)(&oggpack_writecheck)=dlsym(opus_ogg_handle,"oggpack_writecheck");
*(void **)(&oggpack_writetrunc)=dlsym(opus_ogg_handle,"oggpack_writetrunc");
*(void **)(&oggpack_writealign)=dlsym(opus_ogg_handle,"oggpack_writealign");
*(void **)(&oggpack_writecopy)=dlsym(opus_ogg_handle,"oggpack_writecopy");
*(void **)(&oggpack_reset)=dlsym(opus_ogg_handle,"oggpack_reset");
*(void **)(&oggpack_writeclear)=dlsym(opus_ogg_handle,"oggpack_writeclear");
*(void **)(&oggpack_readinit)=dlsym(opus_ogg_handle,"oggpack_readinit");
*(void **)(&oggpack_write)=dlsym(opus_ogg_handle,"oggpack_write");
*(void **)(&oggpack_look)=dlsym(opus_ogg_handle,"oggpack_look");
*(void **)(&oggpack_look1)=dlsym(opus_ogg_handle,"oggpack_look1");
*(void **)(&oggpack_adv)=dlsym(opus_ogg_handle,"oggpack_adv");
*(void **)(&oggpack_adv1)=dlsym(opus_ogg_handle,"oggpack_adv1");
*(void **)(&oggpack_read)=dlsym(opus_ogg_handle,"oggpack_read");
*(void **)(&oggpack_read1)=dlsym(opus_ogg_handle,"oggpack_read1");
*(void **)(&oggpack_bytes)=dlsym(opus_ogg_handle,"oggpack_bytes");
*(void **)(&oggpack_bits)=dlsym(opus_ogg_handle,"oggpack_bits");
*(void **)(&oggpack_get_buffer)=
dlsym(opus_ogg_handle,"oggpack_get_buffer");
*(void **)(&oggpackB_writeinit)=dlsym(opus_ogg_handle,"oggpackB_writeinit");
*(void **)(&oggpackB_writecheck)=
dlsym(opus_ogg_handle,"oggpackB_writecheck");
*(void **)(&oggpackB_writetrunc)=
dlsym(opus_ogg_handle,"oggpackB_writetrunc");
*(void **)(&oggpackB_writealign)=
dlsym(opus_ogg_handle,"oggpackB_writealign");
*(void **)(&oggpackB_writecopy)=dlsym(opus_ogg_handle,"oggpackB_writecopy");
*(void **)(&oggpackB_reset)=dlsym(opus_ogg_handle,"oggpackB_reset");
*(void **)(&oggpackB_writeclear)=
dlsym(opus_ogg_handle,"oggpackB_writeclear");
*(void **)(&oggpackB_readinit)=dlsym(opus_ogg_handle,"oggpackB_readini");
*(void **)(&oggpackB_write)=dlsym(opus_ogg_handle,"oggpackB_write");
*(void **)(&oggpackB_look)=dlsym(opus_ogg_handle,"oggpackB_look");
*(void **)(&oggpackB_look1)=dlsym(opus_ogg_handle,"oggpackB_look1");
*(void **)(&oggpackB_adv)=dlsym(opus_ogg_handle,"oggpackB_adv");
*(void **)(&oggpackB_adv1)=dlsym(opus_ogg_handle,"oggpackB_adv1");
*(void **)(&oggpackB_read)=dlsym(opus_ogg_handle,"oggpackB_read");
*(void **)(&oggpackB_read1)=dlsym(opus_ogg_handle,"oggpackB_read1");
*(void **)(&oggpackB_bytes)=dlsym(opus_ogg_handle,"oggpackB_bytes");
*(void **)(&oggpackB_bits)=dlsym(opus_ogg_handle,"oggpackB_bits");
*(void **)(&oggpackB_get_buffer)=
dlsym(opus_ogg_handle,"oggpackB_get_buffer");
*(void **)(&ogg_stream_packetin)=
dlsym(opus_ogg_handle,"ogg_stream_packetin");
*(void **)(&ogg_stream_iovecin)=dlsym(opus_ogg_handle,"ogg_stream_iovecin");
*(void **)(&ogg_stream_pageout)=dlsym(opus_ogg_handle,"ogg_stream_pageout");
*(void **)(&ogg_stream_flush)=dlsym(opus_ogg_handle,"ogg_stream_flush");
*(void **)(&ogg_sync_init)=dlsym(opus_ogg_handle,"ogg_sync_init");
*(void **)(&ogg_sync_clear)=dlsym(opus_ogg_handle,"ogg_sync_clear");
*(void **)(&ogg_sync_reset)=dlsym(opus_ogg_handle,"ogg_sync_reset");
*(void **)(&ogg_sync_destroy)=dlsym(opus_ogg_handle,"ogg_sync_destroy");
*(void **)(&ogg_sync_check)=dlsym(opus_ogg_handle,"ogg_sync_check");
*(void **)(&ogg_sync_buffer)=dlsym(opus_ogg_handle,"ogg_sync_buffer");
*(void **)(&ogg_sync_wrote)=dlsym(opus_ogg_handle,"ogg_sync_wrote");
*(void **)(&ogg_sync_pageseek)=dlsym(opus_ogg_handle,"ogg_sync_pageseek");
*(void **)(&ogg_sync_pageout)=dlsym(opus_ogg_handle,"ogg_sync_pageout");
*(void **)(&ogg_stream_pagein)=dlsym(opus_ogg_handle,"ogg_stream_pagein");
*(void **)(&ogg_stream_packetout)=
dlsym(opus_ogg_handle,"ogg_stream_packetout");
*(void **)(&ogg_stream_packetpeek)=
dlsym(opus_ogg_handle,"ogg_stream_packetpeek");
*(void **)(&ogg_stream_init)=dlsym(opus_ogg_handle,"ogg_stream_init");
*(void **)(&ogg_stream_clear)=dlsym(opus_ogg_handle,"ogg_stream_clear");
*(void **)(&ogg_stream_reset)=dlsym(opus_ogg_handle,"ogg_stream_reset");
*(void **)(&ogg_stream_reset_serialno)=
dlsym(opus_ogg_handle,"ogg_stream_reset_serialn");
*(void **)(&ogg_stream_destroy)=dlsym(opus_ogg_handle,"ogg_stream_destroy");
*(void **)(&ogg_stream_check)=dlsym(opus_ogg_handle,"ogg_stream_check");
*(void **)(&ogg_stream_eos)=dlsym(opus_ogg_handle,"ogg_stream_eos");
*(void **)(&ogg_page_checksum_set)=
dlsym(opus_ogg_handle,"ogg_page_checksum_set");
*(void **)(&ogg_page_version)=dlsym(opus_ogg_handle,"ogg_page_version");
*(void **)(&ogg_page_continued)=dlsym(opus_ogg_handle,"ogg_page_continued");
*(void **)(&ogg_page_bos)=dlsym(opus_ogg_handle,"ogg_page_bos");
*(void **)(&ogg_page_eos)=dlsym(opus_ogg_handle,"ogg_page_eos");
*(void **)(&ogg_page_granulepos)=
dlsym(opus_ogg_handle,"ogg_page_granulepos");
*(void **)(&ogg_page_serialno)=dlsym(opus_ogg_handle,"ogg_page_serialno");
*(void **)(&ogg_page_pageno)=dlsym(opus_ogg_handle,"ogg_page_pageno");
*(void **)(&ogg_page_packets)=dlsym(opus_ogg_handle,"ogg_page_packets");
*(void **)(&ogg_packet_clear)=dlsym(opus_ogg_handle,"ogg_packet_clear");
//
// Initialize Encoder Instance
//
if((opus_encoder=opus_encoder_create(streamSamplerate(),channels(),
OPUS_APPLICATION_AUDIO,&err))==NULL) {
Log(LOG_ERR,QString().sprintf("unable to create codec [%s]",
opus_strerror(err)));
return false;
}
if(bitrate()==0) {
opus_encoder_ctl(opus_encoder,OPUS_SET_VBR(1));
opus_encoder_ctl(opus_encoder,OPUS_SET_COMPLEXITY(10.0*quality()));
}
else {
opus_encoder_ctl(opus_encoder,OPUS_SET_VBR(0));
opus_encoder_ctl(opus_encoder,OPUS_SET_BITRATE(1000*bitrate()));
}
opus_encoder_ctl(opus_encoder,
OPUS_SET_COMPLEXITY(OPUSCODEC_ENCODER_COMPLEXITY));
//
// Initialize the stream
//
ogg_stream_init(&opus_ogg_stream,rand());
//
// Header Packet
//
QByteArray info=MakeInfoHeader(channels(),streamSamplerate());
opus_ogg_packet.packet=(unsigned char *)info.constData();
opus_ogg_packet.bytes=info.length();
opus_ogg_packet.b_o_s=1;
opus_ogg_packet.e_o_s=0;
opus_ogg_packet.granulepos=0;
opus_ogg_packet.packetno=opus_packet_number++;
ogg_stream_packetin(&opus_ogg_stream,&opus_ogg_packet);
while(ogg_stream_flush(&opus_ogg_stream,&opus_ogg_page)) {
opus_stream_prologue.append((const char *)opus_ogg_page.header,
opus_ogg_page.header_len);
opus_stream_prologue.append((const char *)opus_ogg_page.body,
opus_ogg_page.body_len);
}
//
// Comment Packet
//
QByteArray comment=MakeCommentHeader();
opus_ogg_packet.packet=(unsigned char *)comment.constData();
opus_ogg_packet.bytes=comment.length();
opus_ogg_packet.b_o_s=0;
opus_ogg_packet.e_o_s=0;
opus_ogg_packet.granulepos=0;
opus_ogg_packet.packetno=opus_packet_number++;
ogg_stream_packetin(&opus_ogg_stream,&opus_ogg_packet);
while(ogg_stream_flush(&opus_ogg_stream,&opus_ogg_page)!=0) {
opus_stream_prologue.append((const char *)opus_ogg_page.header,
opus_ogg_page.header_len);
opus_stream_prologue.append((const char *)opus_ogg_page.body,
opus_ogg_page.body_len);
}
return true;
#else
Log(LOG_ERR,"unsupported audio format (no build support)");
return false;
#endif // HAVE_OPUS
}
static result_t
encode_opus_file(char *filename,
struct PCMReader *pcmreader,
int quality,
unsigned original_sample_rate)
{
const int multichannel = (pcmreader->channels > 2);
const unsigned channel_mapping = (pcmreader->channels > 8 ? 255 :
pcmreader->channels > 2);
int stream_count;
int coupled_stream_count;
unsigned char stream_map[255];
int samples[BLOCK_SIZE * pcmreader->channels];
unsigned pcm_frames;
result_t result = ENCODE_OK;
FILE *output_file = NULL;
ogg_stream_state ogg_stream;
ogg_page ogg_page;
OpusEncoder *opus_encoder = NULL;
OpusMSEncoder *opus_ms_encoder = NULL;
int error;
opus_int16 *opus_samples = NULL;
unsigned char opus_frame[OPUS_FRAME_LEN];
ogg_int64_t granulepos = 0;
ogg_int64_t packetno = 0;
opus_int32 preskip;
/*open output file for writing*/
if ((output_file = fopen(filename, "w+b")) == NULL) {
return ERR_IOERROR;
}
if (!multichannel) {
if ((opus_encoder = opus_encoder_create(48000,
pcmreader->channels,
OPUS_APPLICATION_AUDIO,
&error)) == NULL) {
fclose(output_file);
return ERR_ENCODER_INIT;
}
opus_encoder_ctl(opus_encoder, OPUS_SET_COMPLEXITY(quality));
opus_encoder_ctl(opus_encoder, OPUS_GET_LOOKAHEAD(&preskip));
} else {
if ((opus_ms_encoder =
opus_multistream_surround_encoder_create(
48000,
pcmreader->channels,
channel_mapping,
&stream_count,
&coupled_stream_count,
stream_map,
OPUS_APPLICATION_AUDIO,
&error)) == NULL) {
fclose(output_file);
return ERR_ENCODER_INIT;
}
opus_multistream_encoder_ctl(opus_ms_encoder,
OPUS_SET_COMPLEXITY(quality));
opus_multistream_encoder_ctl(opus_ms_encoder,
OPUS_GET_LOOKAHEAD(&preskip));
}
srand((unsigned)time(NULL));
ogg_stream_init(&ogg_stream, rand());
/*write header and comment packets to Ogg stream*/
{
BitstreamRecorder *header =
bw_open_bytes_recorder(BS_LITTLE_ENDIAN);
BitstreamWriter *header_w =(BitstreamWriter*)header;
BitstreamRecorder *comment =
bw_open_bytes_recorder(BS_LITTLE_ENDIAN);
BitstreamWriter *comment_w = (BitstreamWriter*)comment;
int i;
/*write header packet to Ogg stream*/
const char opushead[] = "OpusHead";
const char opuscomment[] = "OpusTags";
const char *vendor_string = opus_get_version_string();
const size_t vendor_string_len = strlen(vendor_string);
ogg_packet packet_head;
ogg_packet packet_tags;
header_w->write_bytes(header_w,
(uint8_t*)opushead,
(unsigned)strlen(opushead));
header_w->write(header_w, 8, 1); /*version*/
header_w->write(header_w, 8, pcmreader->channels);
header_w->write(header_w, 16, preskip);
header_w->write(header_w, 32, original_sample_rate);
header_w->write(header_w, 16, 0); /*output gain*/
header_w->write(header_w, 8, channel_mapping);
if (channel_mapping != 0) {
header_w->write(header_w, 8, stream_count);
header_w->write(header_w, 8, coupled_stream_count);
for (i = 0; i < pcmreader->channels; i++) {
header_w->write(header_w, 8, stream_map[i]);
}
}
packet_head.packet = malloc(header->bytes_written(header));
header->data(header, (uint8_t*)packet_head.packet);
packet_head.bytes = header->bytes_written(header);
packet_head.b_o_s = 1;
packet_head.e_o_s = 0;
packet_head.granulepos = 0;
packet_head.packetno = packetno++;
header->close(header);
ogg_stream_packetin(&ogg_stream, &packet_head);
for (i = ogg_stream_flush(&ogg_stream, &ogg_page);
i != 0;
i = ogg_stream_flush(&ogg_stream, &ogg_page)) {
fwrite(ogg_page.header, 1, ogg_page.header_len, output_file);
fwrite(ogg_page.body, 1, ogg_page.body_len, output_file);
}
free(packet_head.packet);
/*write comment packet to Ogg stream*/
comment_w->write_bytes(comment_w,
(uint8_t*)opuscomment,
(unsigned)strlen(opuscomment));
comment_w->write(comment_w, 32, (unsigned)vendor_string_len);
comment_w->write_bytes(comment_w,
(uint8_t*)vendor_string,
(unsigned)vendor_string_len);
comment_w->write(comment_w, 32, 0);
packet_tags.packet = malloc(comment->bytes_written(comment));
comment->data(comment, (uint8_t*)packet_tags.packet);
packet_tags.bytes = comment->bytes_written(comment);
packet_tags.b_o_s = 0;
packet_tags.e_o_s = 0;
packet_tags.granulepos = 0;
packet_tags.packetno = packetno++;
comment->close(comment);
ogg_stream_packetin(&ogg_stream, &packet_tags);
for (i = ogg_stream_flush(&ogg_stream, &ogg_page);
i != 0;
i = ogg_stream_flush(&ogg_stream, &ogg_page)) {
fwrite(ogg_page.header, 1, ogg_page.header_len, output_file);
fwrite(ogg_page.body, 1, ogg_page.body_len, output_file);
}
free(packet_tags.packet);
}
opus_samples = malloc(sizeof(opus_int16) *
pcmreader->channels *
BLOCK_SIZE);
pcm_frames = pcmreader->read(pcmreader, BLOCK_SIZE, samples);
if (!pcm_frames && (pcmreader->status != PCM_OK)) {
result = ERR_PCMREADER;
goto cleanup;
}
/*for each non-empty FrameList from PCMReader, encode Opus frame*/
while (pcm_frames) {
const int short_framelist = (pcm_frames < BLOCK_SIZE);
unsigned i;
opus_int32 encoded_size;
ogg_packet packet;
granulepos += pcm_frames;
/*pad FrameList with additional null samples if necessary*/
memset(samples + pcm_frames * pcmreader->channels,
0,
sizeof(int) * (BLOCK_SIZE - pcm_frames) * pcmreader->channels);
/*rearrange channels to Vorbis order if necessary*/
reorder_channels(pcmreader->channel_mask, BLOCK_SIZE, samples);
/*place samples in interleaved buffer*/
for (i = 0; i < (pcm_frames * pcmreader->channels); i++) {
opus_samples[i] = (opus_int16)samples[i];
}
/*call opus_encode on interleaved buffer to get next packet*/
if (!multichannel) {
encoded_size = opus_encode(opus_encoder,
opus_samples,
BLOCK_SIZE,
opus_frame,
OPUS_FRAME_LEN);
} else {
encoded_size = opus_multistream_encode(opus_ms_encoder,
opus_samples,
BLOCK_SIZE,
opus_frame,
OPUS_FRAME_LEN);
}
/*get next FrameList to encode*/
pcm_frames = pcmreader->read(pcmreader, BLOCK_SIZE, samples);
if (!pcm_frames && (pcmreader->status != PCM_OK)) {
result = ERR_PCMREADER;
goto cleanup;
}
/*dump Opus packet to Ogg stream*/
/*do this *after* reading the next FrameList in order to detect
the end of stream properly based on whether the FrameList
has no frames*/
packet.packet = (unsigned char *)opus_frame;
packet.bytes = encoded_size;
packet.b_o_s = 0;
packet.e_o_s = (short_framelist || (pcm_frames == 0));
packet.granulepos = granulepos;
packet.packetno = packetno;
ogg_stream_packetin(&ogg_stream, &packet);
while (ogg_stream_pageout(&ogg_stream, &ogg_page)) {
fwrite(ogg_page.header, 1, ogg_page.header_len, output_file);
fwrite(ogg_page.body, 1, ogg_page.body_len, output_file);
}
}
/*flush any remaining Ogg pages to disk*/
while (ogg_stream_flush(&ogg_stream, &ogg_page)) {
fwrite(ogg_page.header, 1, ogg_page.header_len, output_file);
fwrite(ogg_page.body, 1, ogg_page.body_len, output_file);
}
cleanup:
fclose(output_file);
ogg_stream_clear(&ogg_stream);
if (!multichannel) {
opus_encoder_destroy(opus_encoder);
} else {
opus_multistream_encoder_destroy(opus_ms_encoder);
}
free(opus_samples);
return result;
}
int krad_opus_encoder_read (krad_opus_t *krad_opus, unsigned char *buffer, int *nframes) {
int ready;
int bytes;
int resp;
int s, c;
while (krad_ringbuffer_read_space (krad_opus->ringbuf[krad_opus->channels - 1]) >= 512 * 4 ) {
for (c = 0; c < krad_opus->channels; c++) {
krad_opus->ret = krad_ringbuffer_peek (krad_opus->ringbuf[c], (char *)krad_opus->samples[c], (512 * 4) );
krad_opus->src_data[c].data_in = krad_opus->samples[c];
krad_opus->src_data[c].input_frames = 512;
krad_opus->src_data[c].data_out = krad_opus->resampled_samples[c];
krad_opus->src_data[c].output_frames = 2048;
krad_opus->src_error[c] = src_process (krad_opus->src_resampler[c], &krad_opus->src_data[c]);
if (krad_opus->src_error[c] != 0) {
failfast ("Krad Opus Encoder: src resampler error: %s\n", src_strerror(krad_opus->src_error[c]));
}
krad_ringbuffer_read_advance (krad_opus->ringbuf[c], (krad_opus->src_data[c].input_frames_used * 4) );
krad_opus->ret = krad_ringbuffer_write (krad_opus->resampled_ringbuf[c],
(char *)krad_opus->resampled_samples[c],
(krad_opus->src_data[c].output_frames_gen * 4) );
}
}
if (krad_opus->new_bitrate != krad_opus->bitrate) {
krad_opus->bitrate = krad_opus->new_bitrate;
resp = opus_multistream_encoder_ctl (krad_opus->encoder, OPUS_SET_BITRATE(krad_opus->bitrate));
if (resp != OPUS_OK) {
failfast ("Krad Opus Encoder: bitrate request failed %s\n", opus_strerror (resp));
} else {
printk ("Krad Opus Encoder: set opus bitrate %d\n", krad_opus->bitrate);
}
}
if (krad_opus->new_frame_size != krad_opus->frame_size) {
krad_opus->frame_size = krad_opus->new_frame_size;
printk ("Krad Opus Encoder: frame size is now %d\n", krad_opus->frame_size);
}
if (krad_opus->new_complexity != krad_opus->complexity) {
krad_opus->complexity = krad_opus->new_complexity;
resp = opus_multistream_encoder_ctl (krad_opus->encoder, OPUS_SET_COMPLEXITY(krad_opus->complexity));
if (resp != OPUS_OK) {
failfast ("Krad Opus Encoder: complexity request failed %s. \n", opus_strerror(resp));
} else {
printk ("Krad Opus Encoder: set opus complexity %d\n", krad_opus->complexity);
}
}
if (krad_opus->new_signal != krad_opus->signal) {
krad_opus->signal = krad_opus->new_signal;
resp = opus_multistream_encoder_ctl (krad_opus->encoder, OPUS_SET_SIGNAL(krad_opus->signal));
if (resp != OPUS_OK) {
failfast ("Krad Opus Encoder: signal request failed %s\n", opus_strerror(resp));
} else {
printk ("Krad Opus Encoder: set opus signal mode %d\n", krad_opus->signal);
}
}
if (krad_opus->new_bandwidth != krad_opus->bandwidth) {
krad_opus->bandwidth = krad_opus->new_bandwidth;
resp = opus_multistream_encoder_ctl (krad_opus->encoder, OPUS_SET_BANDWIDTH(krad_opus->bandwidth));
if (resp != OPUS_OK) {
failfast ("Krad Opus Encoder: bandwidth request failed %s\n", opus_strerror(resp));
} else {
printk ("Krad Opus Encoder: Set Opus bandwidth mode %d\n", krad_opus->bandwidth);
}
}
ready = 1;
for (c = 0; c < krad_opus->channels; c++) {
if (krad_ringbuffer_read_space (krad_opus->resampled_ringbuf[c]) < krad_opus->frame_size * 4) {
ready = 0;
}
}
if (ready == 1) {
for (c = 0; c < krad_opus->channels; c++) {
krad_opus->ret = krad_ringbuffer_read (krad_opus->resampled_ringbuf[c],
(char *)krad_opus->resampled_samples[c],
(krad_opus->frame_size * 4) );
}
for (s = 0; s < krad_opus->frame_size; s++) {
for (c = 0; c < krad_opus->channels; c++) {
krad_opus->interleaved_resampled_samples[s * krad_opus->channels + c] = krad_opus->resampled_samples[c][s];
}
}
bytes = opus_multistream_encode_float (krad_opus->encoder,
krad_opus->interleaved_resampled_samples,
krad_opus->frame_size,
buffer,
krad_opus->frame_size * 2);
if (bytes < 0) {
failfast ("Krad Opus Encoding failed: %s.", opus_strerror (bytes));
}
*nframes = krad_opus->frame_size;
return bytes;
}
return 0;
}
static switch_status_t switch_opus_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
{
struct opus_context *context = NULL;
int encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
int decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(*context))))) {
return SWITCH_STATUS_FALSE;
}
context->frame_size = codec->implementation->samples_per_packet;
if (encoding) {
/* come up with a way to specify these */
int bitrate_bps = codec->implementation->bits_per_second;
int use_vbr = 1;
int complexity = 10;
int use_inbandfec = 1;
int use_dtx = 1;
int bandwidth = OPUS_BANDWIDTH_FULLBAND;
int err;
context->encoder_object = opus_encoder_create(codec->implementation->actual_samples_per_second,
codec->implementation->number_of_channels,
OPUS_APPLICATION_VOIP, &err);
if (err != OPUS_OK) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot create encoder: %s\n", opus_strerror(err));
return SWITCH_STATUS_GENERR;
}
opus_encoder_ctl(context->encoder_object, OPUS_SET_BITRATE(bitrate_bps));
opus_encoder_ctl(context->encoder_object, OPUS_SET_BANDWIDTH(bandwidth));
opus_encoder_ctl(context->encoder_object, OPUS_SET_VBR(use_vbr));
opus_encoder_ctl(context->encoder_object, OPUS_SET_COMPLEXITY(complexity));
opus_encoder_ctl(context->encoder_object, OPUS_SET_INBAND_FEC(use_inbandfec));
opus_encoder_ctl(context->encoder_object, OPUS_SET_DTX(use_dtx));
}
if (decoding) {
int err;
context->decoder_object = opus_decoder_create(codec->implementation->actual_samples_per_second,
codec->implementation->number_of_channels, &err);
if (err != OPUS_OK) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot create decoder: %s\n", opus_strerror(err));
if (context->encoder_object) {
opus_encoder_destroy(context->encoder_object);
context->encoder_object = NULL;
}
return SWITCH_STATUS_GENERR;
}
}
codec->private_info = context;
return SWITCH_STATUS_SUCCESS;
}
int opus_encode_update(struct auenc_state **aesp, const struct aucodec *ac,
struct auenc_param *param, const char *fmtp)
{
struct auenc_state *aes;
struct opus_param prm, conf_prm;
opus_int32 fch, vbr;
const struct aucodec *auc = ac;
(void)param;
if (!aesp || !ac || !ac->ch)
return EINVAL;
debug("opus: encoder fmtp (%s)\n", fmtp);
/* Save the incoming OPUS parameters from SDP offer */
if (str_isset(fmtp)) {
opus_mirror_params(fmtp);
}
aes = *aesp;
if (!aes) {
const opus_int32 complex = 10;
int opuserr;
aes = mem_zalloc(sizeof(*aes), destructor);
if (!aes)
return ENOMEM;
aes->ch = ac->ch;
aes->enc = opus_encoder_create(ac->srate, ac->ch,
/* this has big impact on cpu */
OPUS_APPLICATION_AUDIO,
&opuserr);
if (!aes->enc) {
warning("opus: encoder create: %s\n",
opus_strerror(opuserr));
mem_deref(aes);
return ENOMEM;
}
(void)opus_encoder_ctl(aes->enc, OPUS_SET_COMPLEXITY(complex));
*aesp = aes;
}
prm.srate = 48000;
prm.bitrate = OPUS_AUTO;
prm.stereo = 1;
prm.cbr = 0;
prm.inband_fec = 0;
prm.dtx = 0;
opus_decode_fmtp(&prm, fmtp);
conf_prm.bitrate = OPUS_AUTO;
opus_decode_fmtp(&conf_prm, auc->fmtp);
if ((prm.bitrate == OPUS_AUTO) ||
((conf_prm.bitrate != OPUS_AUTO) &&
(conf_prm.bitrate < prm.bitrate)))
prm.bitrate = conf_prm.bitrate;
fch = prm.stereo ? OPUS_AUTO : 1;
vbr = prm.cbr ? 0 : 1;
(void)opus_encoder_ctl(aes->enc,
OPUS_SET_MAX_BANDWIDTH(srate2bw(prm.srate)));
(void)opus_encoder_ctl(aes->enc, OPUS_SET_BITRATE(prm.bitrate));
(void)opus_encoder_ctl(aes->enc, OPUS_SET_FORCE_CHANNELS(fch));
(void)opus_encoder_ctl(aes->enc, OPUS_SET_VBR(vbr));
(void)opus_encoder_ctl(aes->enc, OPUS_SET_INBAND_FEC(prm.inband_fec));
(void)opus_encoder_ctl(aes->enc, OPUS_SET_DTX(prm.dtx));
#if 0
{
opus_int32 bw, complex;
(void)opus_encoder_ctl(aes->enc, OPUS_GET_MAX_BANDWIDTH(&bw));
(void)opus_encoder_ctl(aes->enc, OPUS_GET_BITRATE(&prm.bitrate));
(void)opus_encoder_ctl(aes->enc, OPUS_GET_FORCE_CHANNELS(&fch));
(void)opus_encoder_ctl(aes->enc, OPUS_GET_VBR(&vbr));
(void)opus_encoder_ctl(aes->enc, OPUS_GET_INBAND_FEC(&prm.inband_fec));
(void)opus_encoder_ctl(aes->enc, OPUS_GET_DTX(&prm.dtx));
(void)opus_encoder_ctl(aes->enc, OPUS_GET_COMPLEXITY(&complex));
debug("opus: encode bw=%s bitrate=%i fch=%s "
"vbr=%i fec=%i dtx=%i complex=%i\n",
bwname(bw), prm.bitrate, chname(fch),
vbr, prm.inband_fec, prm.dtx, complex);
}
#endif
return 0;
}
void OggOpusFile::Init()
{
inopt.skip=0;
//In our case, its 160 samples/frame. Changing rate to anything rather than 8000Hz may require significant change in the way of handle number of samples to fix the encoder
frame_size=frame_size/(48000/coding_rate);
/*OggOpus headers*/ /*FIXME: broke forcemono*/
header.channels=chan;
header.channel_mapping= 0;//header.channels>8?255:chan>2; //=0 for wav
header.input_sample_rate=rate;
header.gain=inopt.gain; //=0 here
st=opus_multistream_surround_encoder_create(coding_rate, chan, header.channel_mapping, &header.nb_streams, &header.nb_coupled,
header.stream_map, frame_size<480/(48000/coding_rate)?OPUS_APPLICATION_RESTRICTED_LOWDELAY:OPUS_APPLICATION_AUDIO, &ret);
if(ret!=OPUS_OK){
fprintf(stderr, "Error cannot create encoder: %s\n", opus_strerror(ret));
exit(1);
}
max_frame_bytes=(1275*3+7)*header.nb_streams;
min_bytes=max_frame_bytes;
m_outBuf = (unsigned char*)malloc(max_frame_bytes);
if(m_outBuf==NULL){
fprintf(stderr,"Error allocating m_outBuf buffer.\n");
exit(1);
}
//We would set bitrate configurable as low as 6k
//Or use the provided formulae to calculate a optimized bitrate
if(bitrate<0){
/*Lower default rate for sampling rates [8000-44100) by a factor of (rate+16k)/(64k)*/
// bitrate=((64000*header.nb_streams+32000*header.nb_coupled)*
// (IMIN(48,IMAX(8,((rate<44100?rate:48000)+1000)/1000))+16)+32)>>6;
bitrate=6000;
}
if(bitrate>(1024000*chan)||bitrate<500){
fprintf(stderr,"Error: Bitrate %d bits/sec is insane.\nDid you mistake bits for kilobits?\n",bitrate);
fprintf(stderr,"--bitrate values from 6-256 kbit/sec per channel are meaningful.\n");
exit(1);
}
bitrate=IMIN(chan*256000,bitrate);
ret=opus_multistream_encoder_ctl(st, OPUS_SET_BITRATE(bitrate));
if(ret!=OPUS_OK){
fprintf(stderr,"Error OPUS_SET_BITRATE returned: %s\n",opus_strerror(ret));
exit(1);
}
ret=opus_multistream_encoder_ctl(st, OPUS_SET_VBR(!with_hard_cbr));
if(ret!=OPUS_OK){
fprintf(stderr,"Error OPUS_SET_VBR returned: %s\n",opus_strerror(ret));
exit(1);
}
if(!with_hard_cbr){
ret=opus_multistream_encoder_ctl(st, OPUS_SET_VBR_CONSTRAINT(with_cvbr));
if(ret!=OPUS_OK){
fprintf(stderr,"Error OPUS_SET_VBR_CONSTRAINT returned: %s\n",opus_strerror(ret));
exit(1);
}
}
ret=opus_multistream_encoder_ctl(st, OPUS_SET_COMPLEXITY(complexity));
if(ret!=OPUS_OK){
fprintf(stderr,"Error OPUS_SET_COMPLEXITY returned: %s\n",opus_strerror(ret));
exit(1);
}
ret=opus_multistream_encoder_ctl(st, OPUS_SET_PACKET_LOSS_PERC(expect_loss));
if(ret!=OPUS_OK){
fprintf(stderr,"Error OPUS_SET_PACKET_LOSS_PERC returned: %s\n",opus_strerror(ret));
exit(1);
}
#ifdef OPUS_SET_LSB_DEPTH
ret=opus_multistream_encoder_ctl(st, OPUS_SET_LSB_DEPTH(IMAX(8,IMIN(24,inopt.samplesize))));
if(ret!=OPUS_OK){
fprintf(stderr,"Warning OPUS_SET_LSB_DEPTH returned: %s\n",opus_strerror(ret));
}
#endif
for(i=0;i<opt_ctls;i++){
int target=opt_ctls_ctlval[i*3];
if(target==-1){
ret=opus_multistream_encoder_ctl(st,opt_ctls_ctlval[i*3+1],opt_ctls_ctlval[i*3+2]);
if(ret!=OPUS_OK){
fprintf(stderr,"Error opus_multistream_encoder_ctl(st,%d,%d) returned: %s\n",opt_ctls_ctlval[i*3+1],opt_ctls_ctlval[i*3+2],opus_strerror(ret));
exit(1);
}
}else if(target<header.nb_streams){
OpusEncoder *oe;
opus_multistream_encoder_ctl(st,OPUS_MULTISTREAM_GET_ENCODER_STATE(target,&oe));
ret=opus_encoder_ctl(oe, opt_ctls_ctlval[i*3+1],opt_ctls_ctlval[i*3+2]);
if(ret!=OPUS_OK){
fprintf(stderr,"Error opus_encoder_ctl(st[%d],%d,%d) returned: %s\n",target,opt_ctls_ctlval[i*3+1],opt_ctls_ctlval[i*3+2],opus_strerror(ret));
exit(1);
}
}else{
fprintf(stderr,"Error --set-ctl-int target stream %d is higher than the maximum stream number %d.\n",target,header.nb_streams-1);
exit(1);
}
}
/*We do the lookahead check late so user CTLs can change it*/
ret=opus_multistream_encoder_ctl(st, OPUS_GET_LOOKAHEAD(&lookahead));
if(ret!=OPUS_OK){
fprintf(stderr,"Error OPUS_GET_LOOKAHEAD returned: %s\n",opus_strerror(ret));
exit(1);
}
inopt.skip+=lookahead;
/*Regardless of the rate we're coding at the ogg timestamping/skip is
always timed at 48000.*/
header.preskip=inopt.skip*(48000./coding_rate);
/* Extra samples that need to be read to compensate for the pre-skip */
inopt.extraout=(int)header.preskip*(rate/48000.);
/*Initialize Ogg stream struct*/
if(ogg_stream_init(&os, serialno)==-1){
fprintf(stderr,"Error: stream init failed\n");
exit(1);
}
int opus_app;
fprintf(stderr,"Encoding using 1.1");
opus_multistream_encoder_ctl(st,OPUS_GET_APPLICATION(&opus_app));
if(opus_app==OPUS_APPLICATION_VOIP)fprintf(stderr," (VoIP)\n");
else if(opus_app==OPUS_APPLICATION_AUDIO)fprintf(stderr," (audio)\n");
else if(opus_app==OPUS_APPLICATION_RESTRICTED_LOWDELAY)fprintf(stderr," (low-delay)\n");
else fprintf(stderr," (unknown)\n");
fprintf(stderr,"-----------------------------------------------------\n");
fprintf(stderr," Input: %0.6gkHz %d channel%s\n",
header.input_sample_rate/1000.,chan,chan<2?"":"s");
fprintf(stderr," Output: %d channel%s (",header.channels,header.channels<2?"":"s");
if(header.nb_coupled>0)fprintf(stderr,"%d coupled",header.nb_coupled*2);
if(header.nb_streams-header.nb_coupled>0)fprintf(stderr,
"%s%d uncoupled",header.nb_coupled>0?", ":"",
header.nb_streams-header.nb_coupled);
fprintf(stderr,")\n %0.2gms packets, %0.6gkbit/sec%s\n",
frame_size/(coding_rate/1000.), bitrate/1000.,
with_hard_cbr?" CBR":with_cvbr?" CVBR":" VBR");
fprintf(stderr," Preskip: %d\n",header.preskip);
}
static void ms_opus_enc_preprocess(MSFilter *f) {
int error;
int opusComplexity = -1;
const char *env = NULL;
OpusEncData *d = (OpusEncData *)f->data;
/* create the encoder */
d->state = opus_encoder_create(d->samplerate, d->channels, d->application, &error);
if (error != OPUS_OK) {
ms_error("Opus encoder creation failed: %s", opus_strerror(error));
return;
}
#ifndef MS2_WINDOWS_UNIVERSAL
env = getenv("MS2_OPUS_COMPLEXITY");
#endif
if (env != NULL) {
opusComplexity = atoi(env);
if (opusComplexity < -1)
opusComplexity = -1; /*our default value*/
if (opusComplexity > 10)
opusComplexity = 10;
}
if (opusComplexity == -1){
#if defined(__arm__) || defined(_M_ARM)
int cpucount = ms_factory_get_cpu_count(f->factory);
if (cpucount == 1){
opusComplexity = 0; /* set complexity to 0 for single processor arm devices */
}else if (cpucount == 2) {
opusComplexity = 5;
}
#endif
}
if (opusComplexity != -1){
ms_message("Set Opus complexity to %d", opusComplexity);
opus_encoder_ctl(d->state, OPUS_SET_COMPLEXITY(opusComplexity));
} /*otherwise we let opus with its default value, which is 9*/
error = opus_encoder_ctl(d->state, OPUS_SET_PACKET_LOSS_PERC(10));
if (error != OPUS_OK) {
ms_error("Could not set default loss percentage to opus encoder: %s", opus_strerror(error));
}
/* set the encoder parameters: VBR, IN_BAND_FEC, DTX and bitrate settings */
ms_opus_enc_set_vbr(f);
ms_opus_enc_set_inbandfec(f);
ms_opus_enc_set_dtx(f);
/* if decoder prefers mono signal, force encoder to output mono signal */
if (d->stereo == 0) {
error = opus_encoder_ctl(d->state, OPUS_SET_FORCE_CHANNELS(1));
if (error != OPUS_OK) {
ms_error("could not force mono channel to opus encoder: %s", opus_strerror(error));
}
if (d->channels == 2) ms_message("Opus encoder configured to encode mono despite it is feed with stereo.");
}else if (d->channels == 2){
ms_message("Opus encoder configured to encode stereo.");
}
ms_filter_lock(f);
// set bitrate wasn't call, compute it with the default network bitrate (36000)
if (d->bitrate==-1) {
compute_max_bitrate(d, 0);
}
apply_max_bitrate(d);
ms_filter_unlock(f);
}
/*
* Open codec.
*/
static pj_status_t opus_codec_open(pjmedia_codec *codec,
pjmedia_codec_param *attr) {
pj_status_t status;
struct opus_private *opus;
int id, ret = 0;
unsigned i;
int structSizeBytes;
int tmpFmtpVal = 0;
unsigned max_nsamples;
const pj_str_t STR_FMTP_USE_INBAND_FEC = {"useinbandfec", 12};
const pj_str_t STR_FMTP_MAX_AVERAGE_BITRATE = {"maxaveragebitrate", 17};
const pj_str_t STR_FMTP_MAX_CODED_AUDIO_BANDWIDTH = {"maxplaybackrate", 15};
const pj_str_t STR_FMTP_USE_DTX = {"usedtx", 6};
opus = (struct opus_private *)codec->codec_data;
pj_assert(opus != NULL);
pj_assert(opus->enc_ready == PJ_FALSE && opus->dec_ready == PJ_FALSE);
PJ_LOG(4, (THIS_FILE, "Clock rate is %d ", attr->info.clock_rate));
opus->externalFs = attr->info.clock_rate;
/* Create Encoder */
structSizeBytes = opus_encoder_get_size(attr->info.channel_cnt);
opus->psEnc = pj_pool_zalloc(opus->pool, structSizeBytes);
ret = opus_encoder_init(opus->psEnc, opus->externalFs, attr->info.channel_cnt,
OPUS_APPLICATION_VOIP);
if (ret) {
PJ_LOG(1, (THIS_FILE, "Unable to init encoder : %d", ret));
return PJ_EINVAL;
}
/*
* Set Encoder parameters
* TODO : have it configurable
*/
opus_encoder_ctl(opus->psEnc, OPUS_SET_COMPLEXITY(2));
opus_encoder_ctl(opus->psEnc, OPUS_SET_SIGNAL(OPUS_SIGNAL_VOICE));
/* Apply fmtp params to Encoder */
for (i = 0; i < attr->setting.enc_fmtp.cnt; ++i) {
if (pj_stricmp(&attr->setting.enc_fmtp.param[i].name,
&STR_FMTP_USE_INBAND_FEC) == 0) {
tmpFmtpVal = (int)(pj_strtoul(&attr->setting.enc_fmtp.param[i].val));
opus_encoder_ctl(opus->psEnc, OPUS_SET_INBAND_FEC(tmpFmtpVal));
break;
} else if (pj_stricmp(&attr->setting.enc_fmtp.param[i].name,
&STR_FMTP_MAX_AVERAGE_BITRATE) == 0) {
tmpFmtpVal = (int)(pj_strtoul(&attr->setting.enc_fmtp.param[i].val));
if (tmpFmtpVal >= 6000 && tmpFmtpVal <= 510000) {
opus_encoder_ctl(opus->psEnc, OPUS_SET_BITRATE(tmpFmtpVal));
}
} else if (pj_stricmp(&attr->setting.enc_fmtp.param[i].name,
&STR_FMTP_MAX_CODED_AUDIO_BANDWIDTH) == 0) {
tmpFmtpVal = (int)(pj_strtoul(&attr->setting.enc_fmtp.param[i].val));
if (tmpFmtpVal <= 8000) {
opus_encoder_ctl(opus->psEnc,
OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_NARROWBAND));
} else if (tmpFmtpVal <= 12000) {
opus_encoder_ctl(opus->psEnc,
OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_MEDIUMBAND));
} else if (tmpFmtpVal <= 16000) {
opus_encoder_ctl(opus->psEnc,
OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_WIDEBAND));
} else if (tmpFmtpVal <= 24000) {
opus_encoder_ctl(opus->psEnc,
OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_SUPERWIDEBAND));
} else if (tmpFmtpVal <= 48000) {
opus_encoder_ctl(opus->psEnc,
OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_FULLBAND));
}
} else if (pj_stricmp(&attr->setting.enc_fmtp.param[i].name,
&STR_FMTP_USE_DTX) == 0) {
tmpFmtpVal = (int)(pj_strtoul(&attr->setting.enc_fmtp.param[i].val));
opus_encoder_ctl(opus->psEnc, OPUS_SET_DTX(tmpFmtpVal));
}
}
opus->enc_ready = PJ_TRUE;
/* Decoder buffer */
opus->pcm_bytes_per_sample = attr->info.pcm_bits_per_sample / 8;
max_nsamples = 120 * OPUS_CLOCK_RATE / 1000; /* 120ms is max frame time */
opus->dec_buf_max_size = max_nsamples * opus->pcm_bytes_per_sample;
opus->dec_buf = pj_pool_alloc(opus->pool, opus->dec_buf_max_size);
/* Create decoder */
structSizeBytes = opus_decoder_get_size(attr->info.channel_cnt);
opus->psDec = pj_pool_zalloc(opus->pool, structSizeBytes);
ret =
opus_decoder_init(opus->psDec, opus->externalFs, attr->info.channel_cnt);
if (ret) {
PJ_LOG(1, (THIS_FILE, "Unable to init decoder : %d", ret));
return PJ_EINVAL;
}
opus->dec_ready = PJ_TRUE;
return PJ_SUCCESS;
}
/*
* Open codec.
*/
static pj_status_t codec_open( pjmedia_codec *codec,
pjmedia_codec_param *attr )
{
struct opus_data *opus_data = (struct opus_data *)codec->codec_data;
int idx, err;
PJ_ASSERT_RETURN(codec && attr && opus_data, PJ_EINVAL);
pj_mutex_lock (opus_data->mutex);
TRACE_((THIS_FILE, "%s:%d: - TRACE", __FUNCTION__, __LINE__));
opus_data->cfg.sample_rate = attr->info.clock_rate;
opus_data->cfg.channel_cnt = attr->info.channel_cnt;
opus_data->ptime = attr->info.frm_ptime;
/* Allocate memory used by the codec */
if (!opus_data->enc) {
/* Allocate memory for max 2 channels */
opus_data->enc = pj_pool_zalloc(opus_data->pool,
opus_encoder_get_size(2));
}
if (!opus_data->dec) {
/* Allocate memory for max 2 channels */
opus_data->dec = pj_pool_zalloc(opus_data->pool,
opus_decoder_get_size(2));
}
if (!opus_data->enc_packer) {
opus_data->enc_packer = pj_pool_zalloc(opus_data->pool,
opus_repacketizer_get_size());
}
if (!opus_data->dec_packer) {
opus_data->dec_packer = pj_pool_zalloc(opus_data->pool,
opus_repacketizer_get_size());
}
if (!opus_data->enc || !opus_data->dec ||
!opus_data->enc_packer || !opus_data->dec_packer)
{
PJ_LOG(2, (THIS_FILE, "Unable to allocate memory for the codec"));
pj_mutex_unlock (opus_data->mutex);
return PJ_ENOMEM;
}
/* Check max average bit rate */
idx = find_fmtp(&attr->setting.enc_fmtp, &STR_MAX_BIT_RATE, PJ_FALSE);
if (idx >= 0) {
unsigned rate;
rate = (unsigned)pj_strtoul(&attr->setting.enc_fmtp.param[idx].val);
if (rate < attr->info.avg_bps)
attr->info.avg_bps = rate;
}
/* Check plc */
idx = find_fmtp(&attr->setting.enc_fmtp, &STR_INBAND_FEC, PJ_FALSE);
if (idx >= 0) {
unsigned plc;
plc = (unsigned) pj_strtoul(&attr->setting.enc_fmtp.param[idx].val);
attr->setting.plc = plc > 0? PJ_TRUE: PJ_FALSE;
}
/* Check vad */
idx = find_fmtp(&attr->setting.enc_fmtp, &STR_DTX, PJ_FALSE);
if (idx >= 0) {
unsigned vad;
vad = (unsigned) pj_strtoul(&attr->setting.enc_fmtp.param[idx].val);
attr->setting.vad = vad > 0? PJ_TRUE: PJ_FALSE;
}
/* Check cbr */
idx = find_fmtp(&attr->setting.enc_fmtp, &STR_CBR, PJ_FALSE);
if (idx >= 0) {
unsigned cbr;
cbr = (unsigned) pj_strtoul(&attr->setting.enc_fmtp.param[idx].val);
opus_data->cfg.cbr = cbr > 0? PJ_TRUE: PJ_FALSE;
}
/* Check max average bit rate */
idx = find_fmtp(&attr->setting.dec_fmtp, &STR_MAX_BIT_RATE, PJ_FALSE);
if (idx >= 0) {
unsigned rate;
rate = (unsigned) pj_strtoul(&attr->setting.dec_fmtp.param[idx].val);
if (rate < attr->info.avg_bps)
attr->info.avg_bps = rate;
}
TRACE_((THIS_FILE, "%s:%d: sample_rate: %u",
__FUNCTION__, __LINE__, opus_data->cfg.sample_rate));
/* Initialize encoder */
err = opus_encoder_init(opus_data->enc,
opus_data->cfg.sample_rate,
attr->info.channel_cnt,
OPUS_APPLICATION_VOIP);
if (err != OPUS_OK) {
PJ_LOG(2, (THIS_FILE, "Unable to create encoder"));
return PJMEDIA_CODEC_EFAILED;
}
/* Set signal type */
opus_encoder_ctl(opus_data->enc, OPUS_SET_SIGNAL(OPUS_SIGNAL_VOICE));
/* Set bitrate */
opus_encoder_ctl(opus_data->enc, OPUS_SET_BITRATE(attr->info.avg_bps));
/* Set VAD */
opus_encoder_ctl(opus_data->enc, OPUS_SET_DTX(attr->setting.vad ? 1 : 0));
/* Set PLC */
opus_encoder_ctl(opus_data->enc,
OPUS_SET_INBAND_FEC(attr->setting.plc ? 1 : 0));
/* Set bandwidth */
opus_encoder_ctl(opus_data->enc,
OPUS_SET_MAX_BANDWIDTH(get_opus_bw_constant(
opus_data->cfg.sample_rate)));
/* Set expected packet loss */
opus_encoder_ctl(opus_data->enc,
OPUS_SET_PACKET_LOSS_PERC(opus_data->cfg.packet_loss));
/* Set complexity */
opus_encoder_ctl(opus_data->enc,
OPUS_SET_COMPLEXITY(opus_data->cfg.complexity));
/* Set constant bit rate */
opus_encoder_ctl(opus_data->enc,
OPUS_SET_VBR(opus_data->cfg.cbr ? 0 : 1));
PJ_LOG(5, (THIS_FILE, "Initialize Opus encoder, sample rate: %d, "
"avg bitrate: %d, vad: %d, plc: %d, pkt loss: %d, "
"complexity: %d, constant bit rate: %d",
opus_data->cfg.sample_rate,
attr->info.avg_bps, attr->setting.vad?1:0,
attr->setting.plc?1:0,
opus_data->cfg.packet_loss,
opus_data->cfg.complexity,
opus_data->cfg.cbr?1:0));
/* Initialize decoder */
err = opus_decoder_init (opus_data->dec,
opus_data->cfg.sample_rate,
attr->info.channel_cnt);
if (err != OPUS_OK) {
PJ_LOG(2, (THIS_FILE, "Unable to initialize decoder"));
return PJMEDIA_CODEC_EFAILED;
}
/* Initialize temporary decode frames used for FEC */
opus_data->dec_frame[0].type = PJMEDIA_FRAME_TYPE_NONE;
opus_data->dec_frame[0].buf = pj_pool_zalloc(opus_data->pool,
(opus_data->cfg.sample_rate / 1000)
* 60 * attr->info.channel_cnt * 2 /* bytes per sample */);
opus_data->dec_frame[1].type = PJMEDIA_FRAME_TYPE_NONE;
opus_data->dec_frame[1].buf = pj_pool_zalloc(opus_data->pool,
(opus_data->cfg.sample_rate / 1000)
* 60 * attr->info.channel_cnt * 2 /* bytes per sample */);
opus_data->dec_frame_index = -1;
/* Initialize the repacketizers */
opus_repacketizer_init(opus_data->enc_packer);
opus_repacketizer_init(opus_data->dec_packer);
pj_mutex_unlock (opus_data->mutex);
return PJ_SUCCESS;
}
void netjack_attach( netjack_driver_state_t *netj )
{
//puts ("net_driver_attach");
jack_port_t * port;
char buf[32];
unsigned int chn;
int port_flags;
if( netj->bitdepth == CELT_MODE ) {
#if HAVE_CELT
#if HAVE_CELT_API_0_7 || HAVE_CELT_API_0_8 || HAVE_CELT_API_0_11
celt_int32 lookahead;
netj->celt_mode = celt_mode_create( netj->sample_rate, netj->period_size, NULL );
#else
celt_int32_t lookahead;
netj->celt_mode = celt_mode_create( netj->sample_rate, 1, netj->period_size, NULL );
#endif
celt_mode_info( netj->celt_mode, CELT_GET_LOOKAHEAD, &lookahead );
netj->codec_latency = 2 * lookahead;
#endif
}
if( netj->bitdepth == OPUS_MODE ) {
#if HAVE_OPUS
netj->opus_mode = opus_custom_mode_create(netj->sample_rate, netj->period_size, NULL);
#endif
}
if (netj->handle_transport_sync)
jack_set_sync_callback(netj->client, (JackSyncCallback) net_driver_sync_cb, NULL);
port_flags = JackPortIsOutput | JackPortIsPhysical | JackPortIsTerminal;
for (chn = 0; chn < netj->capture_channels_audio; chn++) {
snprintf (buf, sizeof(buf) - 1, "capture_%u", chn + 1);
port = jack_port_register (netj->client, buf,
JACK_DEFAULT_AUDIO_TYPE,
port_flags, 0);
if (!port) {
jack_error ("NET: cannot register port for %s", buf);
break;
}
netj->capture_ports =
jack_slist_append (netj->capture_ports, port);
if( netj->bitdepth == CELT_MODE ) {
#if HAVE_CELT
#if HAVE_CELT_API_0_11
netj->capture_srcs = jack_slist_append(netj->capture_srcs, celt_decoder_create_custom( netj->celt_mode, 1, NULL ) );
#elif HAVE_CELT_API_0_7 || HAVE_CELT_API_0_8
netj->capture_srcs = jack_slist_append(netj->capture_srcs, celt_decoder_create( netj->celt_mode, 1, NULL ) );
#else
netj->capture_srcs = jack_slist_append(netj->capture_srcs, celt_decoder_create( netj->celt_mode ) );
#endif
#endif
} else if( netj->bitdepth == OPUS_MODE ) {
#if HAVE_OPUS
OpusCustomDecoder *decoder = opus_custom_decoder_create( netj->opus_mode, 1, NULL );
netj->capture_srcs = jack_slist_append(netj->capture_srcs, decoder );
#endif
} else {
#if HAVE_SAMPLERATE
netj->capture_srcs = jack_slist_append(netj->capture_srcs, src_new(SRC_LINEAR, 1, NULL));
#endif
}
}
for (chn = netj->capture_channels_audio; chn < netj->capture_channels; chn++) {
snprintf (buf, sizeof(buf) - 1, "capture_%u", chn + 1);
port = jack_port_register (netj->client, buf,
JACK_DEFAULT_MIDI_TYPE,
port_flags, 0);
if (!port) {
jack_error ("NET: cannot register port for %s", buf);
break;
}
netj->capture_ports =
jack_slist_append (netj->capture_ports, port);
}
port_flags = JackPortIsInput | JackPortIsPhysical | JackPortIsTerminal;
for (chn = 0; chn < netj->playback_channels_audio; chn++) {
snprintf (buf, sizeof(buf) - 1, "playback_%u", chn + 1);
port = jack_port_register (netj->client, buf,
JACK_DEFAULT_AUDIO_TYPE,
port_flags, 0);
if (!port) {
jack_error ("NET: cannot register port for %s", buf);
break;
}
netj->playback_ports =
jack_slist_append (netj->playback_ports, port);
if( netj->bitdepth == CELT_MODE ) {
#if HAVE_CELT
#if HAVE_CELT_API_0_11
CELTMode *celt_mode = celt_mode_create( netj->sample_rate, netj->period_size, NULL );
netj->playback_srcs = jack_slist_append(netj->playback_srcs, celt_decoder_create_custom( celt_mode, 1, NULL ) );
#elif HAVE_CELT_API_0_7 || HAVE_CELT_API_0_8
CELTMode *celt_mode = celt_mode_create( netj->sample_rate, netj->period_size, NULL );
netj->playback_srcs = jack_slist_append(netj->playback_srcs, celt_encoder_create( celt_mode, 1, NULL ) );
#else
CELTMode *celt_mode = celt_mode_create( netj->sample_rate, 1, netj->period_size, NULL );
netj->playback_srcs = jack_slist_append(netj->playback_srcs, celt_encoder_create( celt_mode ) );
#endif
#endif
} else if( netj->bitdepth == OPUS_MODE ) {
#if HAVE_OPUS
const int kbps = netj->resample_factor;
jack_log( "OPUS %dkbps\n", kbps);
OpusCustomMode *opus_mode = opus_custom_mode_create( netj->sample_rate, netj->period_size, NULL ); // XXX free me in the end
OpusCustomEncoder *oe = opus_custom_encoder_create( opus_mode, 1, NULL );
opus_custom_encoder_ctl(oe, OPUS_SET_BITRATE(kbps*1024)); // bits per second
opus_custom_encoder_ctl(oe, OPUS_SET_COMPLEXITY(10));
opus_custom_encoder_ctl(oe, OPUS_SET_SIGNAL(OPUS_SIGNAL_MUSIC));
opus_custom_encoder_ctl(oe, OPUS_SET_SIGNAL(OPUS_APPLICATION_RESTRICTED_LOWDELAY));
netj->playback_srcs = jack_slist_append(netj->playback_srcs, oe );
#endif
} else {
#if HAVE_SAMPLERATE
netj->playback_srcs = jack_slist_append(netj->playback_srcs, src_new(SRC_LINEAR, 1, NULL));
#endif
}
}
for (chn = netj->playback_channels_audio; chn < netj->playback_channels; chn++) {
snprintf (buf, sizeof(buf) - 1, "playback_%u", chn + 1);
port = jack_port_register (netj->client, buf,
JACK_DEFAULT_MIDI_TYPE,
port_flags, 0);
if (!port) {
jack_error ("NET: cannot register port for %s", buf);
break;
}
netj->playback_ports =
jack_slist_append (netj->playback_ports, port);
}
jack_activate (netj->client);
}
bool CAudioCodecOpus::InitCodec(AudioCodecInfo &codecInfo,
AmAudioCodecMode mode)
{
mAudioInfo = &codecInfo.audio_info;
if (AM_LIKELY(!mIsInitialized)) {
codecInfo.audio_info.format = MF_OPUS;
switch(mode) {
case AM_AUDIO_CODEC_MODE_ENCODE: {
int error;
mEncoder = opus_encoder_create(codecInfo.audio_info.sampleRate,
codecInfo.audio_info.channels,
OPUS_APPLICATION_AUDIO,
&error);
mEncFrameSize = 20 * codecInfo.audio_info.sampleRate / 1000;
mEncFrameBytes = mEncFrameSize * codecInfo.audio_info.channels *
codecInfo.audio_info.sampleSize;
if (AM_LIKELY(mEncoder)) {
AM_U32& bitrate = codecInfo.codec_opus.opus_avg_bitrate;
AM_U32& complexity = codecInfo.codec_opus.opus_complexity;
int ret = opus_encoder_ctl(mEncoder, OPUS_SET_BITRATE(bitrate));
if (AM_UNLIKELY(ret != OPUS_OK)) {
ERROR("Failed to set bitrate to %u: %s", bitrate,
opus_strerror(ret));
} else {
ret = opus_encoder_ctl(mEncoder, OPUS_SET_COMPLEXITY(complexity));
if (AM_UNLIKELY(ret != OPUS_OK)) {
ERROR("Failed to set complexity to %u: %s",
complexity, opus_strerror(ret));
} else {
mRepacketizer = opus_repacketizer_create();
if (AM_LIKELY(mRepacketizer)) {
mIsInitialized = true;
} else {
ERROR("Failed to create Opus repacketizer!");
}
}
}
} else {
ERROR("Failed to create OPUS encoder: %s!", opus_strerror(error));
}
}break;
case AM_AUDIO_CODEC_MODE_DECODE: {
int error;
codecInfo.audio_info.channels = 2;
mDecoder = opus_decoder_create(
codecInfo.audio_info.sampleRate, /* Always 48000 */
codecInfo.audio_info.channels, /* Always decode to stereo */
&error);
mIsInitialized = (mDecoder != NULL);
if (AM_UNLIKELY(!mDecoder)) {
ERROR("Failed to create OPUS decoder: %s!", opus_strerror(error));
}
}break;
default: {
ERROR("Invalid Opus codec mode!");
}break;
}
} else {
int ret = 0;
INFO("Audio codec %s is already initialized, reset to initial state!",
CodecTypeToName[mCodecType]);
mEncFrameSize = 20 * codecInfo.audio_info.sampleRate / 1000;
mEncFrameBytes = mEncFrameSize * codecInfo.audio_info.channels *
codecInfo.audio_info.sampleSize;
switch(mode) {
case AM_AUDIO_CODEC_MODE_ENCODE:
case AM_AUDIO_CODEC_MODE_DECODE: {
if (AM_LIKELY(mEncoder)) {
ret = opus_encoder_ctl(mEncoder, OPUS_RESET_STATE);
}
if (AM_LIKELY(mDecoder)) {
ret = opus_decoder_ctl(mDecoder, OPUS_RESET_STATE);
}
mIsInitialized = (ret == OPUS_OK);
if (AM_UNLIKELY(!mIsInitialized)) {
ERROR("Failed to reset audio codec %s: %s",
CodecTypeToName[mCodecType], opus_strerror(ret));
}
}break;
default: {
ERROR("Invalid mode!");
ret = -1;
mIsInitialized = false;
}break;
}
}
return mIsInitialized;
}
int
_v3_audio_encode(
v3_handle v3h,
/* pcm input */
const uint8_t *pcm,
uint32_t pcmlen,
/* payload output */
int16_t index,
int16_t format,
v3_coder *coder,
uint8_t *data,
uint32_t *datalen,
/* optional args */
uint8_t channels) {
uint32_t maxdatalen;
int ret = V3_OK;
_v3_enter(v3h, __func__);
if (!pcm || !pcmlen || !coder || !data || !datalen || (datalen && !*datalen)) {
_v3_leave(v3h, __func__);
return V3_FAILURE;
}
maxdatalen = *datalen;
*datalen = 0;
channels = (channels == 2) ? 2 : 1;
if (coder->state && (coder->index != index || coder->format != format)) {
_v3_coder_destroy(v3h, coder);
}
switch (index) {
#ifdef HAVE_GSM
case 0:
{
const v3_codec *codec = v3_codec_get(index, format);
int opt = 1;
size_t ctr;
_v3_debug(v3h, V3_DBG_INFO, "encoding %u bytes of pcm to gsm @ %u", pcmlen, codec->rate);
if (!coder->state) {
if (!(coder->state = gsm_create())) {
_v3_debug(v3h, V3_DBG_INFO, "failed to create gsm encoder");
ret = V3_FAILURE;
break;
}
gsm_option(coder->state, GSM_OPT_WAV49, &opt);
coder->index = index;
coder->format = format;
coder->encoder = true;
}
for (ctr = 0; ctr < pcmlen / codec->framesize && *datalen + 65 <= maxdatalen; ++ctr) {
gsm_encode(coder->state, (void *)pcm, (void *)data);
gsm_encode(coder->state, (void *)pcm+(codec->framesize/2), (void *)data+32);
pcm += codec->framesize;
data += 65;
*datalen += 65;
}
}
break;
#endif
#ifdef HAVE_OPUS
case 1:
case 2:
{
const v3_codec *codec = v3_codec_get(index, format);
int tmp;
_v3_debug(v3h, V3_DBG_INFO, "encoding %u bytes of pcm to opus @ %u", pcmlen, codec->rate);
if (!coder->state || channels != coder->channels) {
if (coder->state) {
opus_encoder_destroy(coder->state);
coder->state = NULL;
_v3_debug(v3h, V3_DBG_MEMORY, "released opus state");
}
if (!(coder->state = opus_encoder_create(codec->rate, channels, OPUS_APPLICATION_AUDIO, &tmp))) {
_v3_debug(v3h, V3_DBG_INFO, "failed to create opus encoder: %s", opus_strerror(tmp));
ret = V3_FAILURE;
break;
}
if ((tmp = opus_encoder_ctl(coder->state, OPUS_SET_COMPLEXITY(10))) != OPUS_OK) {
_v3_debug(v3h, V3_DBG_INFO, "opus_encoder_ctl: OPUS_SET_COMPLEXITY: %s", opus_strerror(tmp));
opus_encoder_destroy(coder->state);
coder->state = NULL;
ret = V3_FAILURE;
break;
}
if ((tmp = opus_encoder_ctl(coder->state, OPUS_SET_VBR(0))) != OPUS_OK) {
_v3_debug(v3h, V3_DBG_INFO, "opus_encoder_ctl: OPUS_SET_VBR: %s", opus_strerror(tmp));
opus_encoder_destroy(coder->state);
coder->state = NULL;
ret = V3_FAILURE;
break;
}
if ((tmp = opus_encoder_ctl(coder->state, OPUS_SET_BITRATE(((index == 1) ? 79 : 43) * 1000))) != OPUS_OK) {
_v3_debug(v3h, V3_DBG_INFO, "opus_encoder_ctl: OPUS_SET_BITRATE: %s", opus_strerror(tmp));
opus_encoder_destroy(coder->state);
coder->state = NULL;
ret = V3_FAILURE;
break;
}
coder->index = index;
coder->format = format;
coder->channels = channels;
coder->encoder = true;
}
maxdatalen = (maxdatalen <= ((index == 1) ? 198 : 108)) ? maxdatalen : ((index == 1) ? 198 : 108);
if ((tmp = opus_encode(coder->state, (void *)pcm, codec->framesize / sizeof(int16_t), (void *)data, maxdatalen)) <= 0) {
_v3_debug(v3h, V3_DBG_INFO, "failed to encode opus packet");
}
*datalen = tmp;
}
break;
#endif
#ifdef HAVE_SPEEX
case 3:
{
static const uint16_t maxspxbuf = 200;
const v3_codec *codec = v3_codec_get(index, format);
uint16_t framesize;
SpeexBits bits;
size_t ctr;
_v3_debug(v3h, V3_DBG_INFO, "encoding %u bytes of pcm to speex @ %u", pcmlen, codec->rate);
if (!coder->state) {
switch (codec->rate) {
case 8000:
coder->state = speex_encoder_init(&speex_nb_mode);
break;
case 16000:
coder->state = speex_encoder_init(&speex_wb_mode);
break;
case 32000:
coder->state = speex_encoder_init(&speex_uwb_mode);
break;
}
if (!coder->state) {
_v3_debug(v3h, V3_DBG_INFO, "failed to create speex encoder");
ret = V3_FAILURE;
break;
}
speex_encoder_ctl(coder->state, SPEEX_SET_QUALITY, (void *)&codec->quality);
coder->index = index;
coder->format = format;
coder->encoder = true;
}
*(uint16_t *)data = htons(pcmlen / codec->framesize);
data += sizeof(uint16_t);
*datalen += sizeof(uint16_t);
*(uint16_t *)data = htons(codec->framesize / sizeof(int16_t));
data += sizeof(uint16_t);
*datalen += sizeof(uint16_t);
speex_bits_init(&bits);
for (ctr = 0; ctr < pcmlen / codec->framesize && *datalen + maxspxbuf <= maxdatalen; ++ctr) {
speex_encode_int(coder->state, (void *)pcm, &bits);
framesize = speex_bits_write(&bits, (void *)data + sizeof(uint16_t), maxspxbuf);
speex_bits_reset(&bits);
*(uint16_t *)data = htons(framesize);
pcm += codec->framesize;
data += sizeof(uint16_t) + framesize;
*datalen += sizeof(uint16_t) + framesize;
}
speex_bits_destroy(&bits);
}
break;
#endif
default:
(void)maxdatalen;
_v3_debug(v3h, V3_DBG_INFO, "unsupported codec: index: %i | format: %i", index, format);
ret = V3_FAILURE;
break;
}
_v3_leave(v3h, __func__);
return ret;
}
/**
* This Function allocates all the I/O Ports which are added the lists.
*/
void
alloc_ports (int n_capture_audio, int n_playback_audio, int n_capture_midi, int n_playback_midi)
{
int port_flags = JackPortIsOutput;
int chn;
jack_port_t *port;
char buf[32];
capture_ports = NULL;
/* Allocate audio capture channels */
for (chn = 0; chn < n_capture_audio; chn++) {
snprintf (buf, sizeof (buf) - 1, "capture_%u", chn + 1);
port = jack_port_register (client, buf, JACK_DEFAULT_AUDIO_TYPE, port_flags, 0);
if (!port) {
printf( "jack_netsource: cannot register %s port\n", buf);
break;
}
if (bitdepth == 1000) {
#if HAVE_CELT
#if HAVE_CELT_API_0_11
CELTMode *celt_mode = celt_mode_create( jack_get_sample_rate( client ), jack_get_buffer_size(client), NULL );
capture_srcs = jack_slist_append(capture_srcs, celt_decoder_create_custom( celt_mode, 1, NULL ) );
#elif HAVE_CELT_API_0_7 || HAVE_CELT_API_0_8
CELTMode *celt_mode = celt_mode_create( jack_get_sample_rate( client ), jack_get_buffer_size(client), NULL );
capture_srcs = jack_slist_append(capture_srcs, celt_decoder_create( celt_mode, 1, NULL ) );
#else
CELTMode *celt_mode = celt_mode_create( jack_get_sample_rate( client ), 1, jack_get_buffer_size(client), NULL );
capture_srcs = jack_slist_append(capture_srcs, celt_decoder_create( celt_mode ) );
#endif
#endif
} else if (bitdepth == 999) {
#if HAVE_OPUS
int err;
OpusCustomMode *opus_mode = opus_custom_mode_create(jack_get_sample_rate( client ), jack_get_buffer_size(client), &err);
if (err != OPUS_OK) { printf("OPUS MODE FAILED\n"); }
OpusCustomDecoder *decoder = opus_custom_decoder_create(opus_mode, 1, &err);
if (err != OPUS_OK) { printf("OPUS DECODER FAILED\n"); }
opus_custom_decoder_init(decoder, opus_mode, 1);
capture_srcs = jack_slist_append(capture_srcs, decoder);
#endif
} else {
#if HAVE_SAMPLERATE
capture_srcs = jack_slist_append (capture_srcs, src_new (SRC_LINEAR, 1, NULL));
#endif
}
capture_ports = jack_slist_append (capture_ports, port);
}
/* Allocate midi capture channels */
for (chn = n_capture_audio; chn < n_capture_midi + n_capture_audio; chn++) {
snprintf (buf, sizeof (buf) - 1, "capture_%u", chn + 1);
port = jack_port_register (client, buf, JACK_DEFAULT_MIDI_TYPE, port_flags, 0);
if (!port) {
printf ("jack_netsource: cannot register %s port\n", buf);
break;
}
capture_ports = jack_slist_append(capture_ports, port);
}
/* Allocate audio playback channels */
port_flags = JackPortIsInput;
playback_ports = NULL;
for (chn = 0; chn < n_playback_audio; chn++) {
snprintf (buf, sizeof (buf) - 1, "playback_%u", chn + 1);
port = jack_port_register (client, buf, JACK_DEFAULT_AUDIO_TYPE, port_flags, 0);
if (!port) {
printf ("jack_netsource: cannot register %s port\n", buf);
break;
}
if( bitdepth == 1000 ) {
#if HAVE_CELT
#if HAVE_CELT_API_0_11
CELTMode *celt_mode = celt_mode_create( jack_get_sample_rate (client), jack_get_buffer_size(client), NULL );
playback_srcs = jack_slist_append(playback_srcs, celt_encoder_create_custom( celt_mode, 1, NULL ) );
#elif HAVE_CELT_API_0_7 || HAVE_CELT_API_0_8
CELTMode *celt_mode = celt_mode_create( jack_get_sample_rate (client), jack_get_buffer_size(client), NULL );
playback_srcs = jack_slist_append(playback_srcs, celt_encoder_create( celt_mode, 1, NULL ) );
#else
CELTMode *celt_mode = celt_mode_create( jack_get_sample_rate (client), 1, jack_get_buffer_size(client), NULL );
playback_srcs = jack_slist_append(playback_srcs, celt_encoder_create( celt_mode ) );
#endif
#endif
} else if( bitdepth == 999 ) {
#if HAVE_OPUS
const int kbps = factor;
printf("new opus encoder %d kbps\n", kbps);
int err;
OpusCustomMode *opus_mode = opus_custom_mode_create(jack_get_sample_rate (client), jack_get_buffer_size(client), &err ); // XXX free me
if (err != OPUS_OK) { printf("OPUS MODE FAILED\n"); }
OpusCustomEncoder *oe = opus_custom_encoder_create( opus_mode, 1, &err );
if (err != OPUS_OK) { printf("OPUS ENCODER FAILED\n"); }
opus_custom_encoder_ctl(oe, OPUS_SET_BITRATE(kbps*1024)); // bits per second
opus_custom_encoder_ctl(oe, OPUS_SET_COMPLEXITY(10));
opus_custom_encoder_ctl(oe, OPUS_SET_SIGNAL(OPUS_SIGNAL_MUSIC));
opus_custom_encoder_ctl(oe, OPUS_SET_SIGNAL(OPUS_APPLICATION_RESTRICTED_LOWDELAY));
opus_custom_encoder_init(oe, opus_mode, 1);
playback_srcs = jack_slist_append(playback_srcs, oe);
#endif
} else {
#if HAVE_SAMPLERATE
playback_srcs = jack_slist_append (playback_srcs, src_new (SRC_LINEAR, 1, NULL));
#endif
}
playback_ports = jack_slist_append (playback_ports, port);
}
/* Allocate midi playback channels */
for (chn = n_playback_audio; chn < n_playback_midi + n_playback_audio; chn++) {
snprintf (buf, sizeof (buf) - 1, "playback_%u", chn + 1);
port = jack_port_register (client, buf, JACK_DEFAULT_MIDI_TYPE, port_flags, 0);
if (!port) {
printf ("jack_netsource: cannot register %s port\n", buf);
break;
}
playback_ports = jack_slist_append (playback_ports, port);
}
}
static switch_status_t switch_opus_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
{
struct opus_context *context = NULL;
int encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
int decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
switch_codec_fmtp_t codec_fmtp;
opus_codec_settings_t opus_codec_settings = { 0 };
if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(*context))))) {
return SWITCH_STATUS_FALSE;
}
context->enc_frame_size = codec->implementation->actual_samples_per_second * (codec->implementation->microseconds_per_packet / 1000) / 1000;
memset(&codec_fmtp, '\0', sizeof(struct switch_codec_fmtp));
codec_fmtp.private_info = &opus_codec_settings;
switch_opus_fmtp_parse(codec->fmtp_in, &codec_fmtp);
/* Verify if the local or remote configuration are lowering maxaveragebitrate and/or maxplaybackrate */
if ( opus_prefs.maxaveragebitrate && (opus_prefs.maxaveragebitrate < opus_codec_settings.maxaveragebitrate || !opus_codec_settings.maxaveragebitrate) ) {
opus_codec_settings.maxaveragebitrate = opus_prefs.maxaveragebitrate;
}
if ( opus_prefs.maxplaybackrate && (opus_prefs.maxplaybackrate < opus_codec_settings.maxplaybackrate || !opus_codec_settings.maxplaybackrate) ) {
opus_codec_settings.maxplaybackrate = opus_prefs.maxplaybackrate;
}
codec->fmtp_out = gen_fmtp(&opus_codec_settings, codec->memory_pool);
if (encoding) {
/* come up with a way to specify these */
int bitrate_bps = OPUS_AUTO;
int use_vbr = opus_prefs.use_vbr;
int complexity = opus_prefs.complexity;
int err;
int samplerate = opus_codec_settings.samplerate ? opus_codec_settings.samplerate : codec->implementation->actual_samples_per_second;
context->encoder_object = opus_encoder_create(samplerate,
codec->implementation->number_of_channels,
codec->implementation->number_of_channels == 1 ? OPUS_APPLICATION_VOIP : OPUS_APPLICATION_AUDIO, &err);
if (err != OPUS_OK) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot create encoder: %s\n", opus_strerror(err));
return SWITCH_STATUS_GENERR;
}
/* Setting documented in "RTP Payload Format for Opus Speech and Audio Codec" draft-spittka-payload-rtp-opus-03 */
if( opus_codec_settings.maxaveragebitrate ) { /* Remote codec settings found in SDP "fmtp", we accept to tune the Encoder */
opus_encoder_ctl(context->encoder_object, OPUS_SET_BITRATE(opus_codec_settings.maxaveragebitrate));
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Opus encoder set bitrate based on maxaveragebitrate found in SDP [%dbps]\n", opus_codec_settings.maxaveragebitrate);
} else {
/* Default codec settings used, may have been modified by SDP "samplerate" */
opus_encoder_ctl(context->encoder_object, OPUS_SET_BITRATE(bitrate_bps));
if (codec->implementation->actual_samples_per_second == 8000) {
opus_encoder_ctl(context->encoder_object, OPUS_SET_BANDWIDTH(OPUS_BANDWIDTH_NARROWBAND));
opus_encoder_ctl(context->encoder_object, OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_NARROWBAND));
} else {
opus_encoder_ctl(context->encoder_object, OPUS_SET_BANDWIDTH(OPUS_BANDWIDTH_FULLBAND));
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Opus encoder set bitrate to local settings [%dbps]\n", bitrate_bps);
}
/* Another setting from "RTP Payload Format for Opus Speech and Audio Codec" */
if ( opus_codec_settings.maxplaybackrate ) {
if (opus_codec_settings.maxplaybackrate == 8000) { /* Audio Bandwidth: 0-4000Hz Sampling Rate: 8000Hz */
opus_encoder_ctl(context->encoder_object, OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_NARROWBAND));
} else if (opus_codec_settings.maxplaybackrate == 12000) { /* Audio Bandwidth: 0-6000Hz Sampling Rate: 12000Hz */
opus_encoder_ctl(context->encoder_object, OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_MEDIUMBAND));
} else if (opus_codec_settings.maxplaybackrate == 16000) { /* Audio Bandwidth: 0-8000Hz Sampling Rate: 16000Hz */
opus_encoder_ctl(context->encoder_object, OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_WIDEBAND));
} else if (opus_codec_settings.maxplaybackrate == 24000) { /* Audio Bandwidth: 0-12000Hz Sampling Rate: 24000Hz */
opus_encoder_ctl(context->encoder_object, OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_SUPERWIDEBAND));
} else if (opus_codec_settings.maxplaybackrate == 48000) { /* Audio Bandwidth: 0-20000Hz Sampling Rate: 48000Hz */
opus_encoder_ctl(context->encoder_object, OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_FULLBAND));
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Opus encoder set bandwidth based on maxplaybackrate found in SDP [%dHz]\n", opus_codec_settings.maxplaybackrate);
}
if (use_vbr) {
opus_encoder_ctl(context->encoder_object, OPUS_SET_VBR(use_vbr));
}
if (complexity) {
opus_encoder_ctl(context->encoder_object, OPUS_SET_COMPLEXITY(complexity));
}
if (opus_codec_settings.useinbandfec) {
opus_encoder_ctl(context->encoder_object, OPUS_SET_INBAND_FEC(opus_codec_settings.useinbandfec));
}
if (opus_codec_settings.usedtx) {
opus_encoder_ctl(context->encoder_object, OPUS_SET_DTX(opus_codec_settings.usedtx));
}
}
if (decoding) {
int err;
context->decoder_object = opus_decoder_create(codec->implementation->actual_samples_per_second,
codec->implementation->number_of_channels, &err);
if (err != OPUS_OK) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot create decoder: %s\n", opus_strerror(err));
if (context->encoder_object) {
opus_encoder_destroy(context->encoder_object);
context->encoder_object = NULL;
}
return SWITCH_STATUS_GENERR;
}
}
codec->private_info = context;
return SWITCH_STATUS_SUCCESS;
}
