JNIEXPORT jint JNICALL Java_org_echocat_jopus_OpusEncoderJNI_encode
(JNIEnv *env, jclass thisClass, jlong handle, jshortArray pcm, jint frameSize, jbyteArray packet, jint packetLength) {
int result = 0;
if (Java_org_echocat_jogg_OggJNISupport_checkNotNull(env, pcm) && Java_org_echocat_jogg_OggJNISupport_checkNotNull(env, packet)) {
jboolean npcmIsCopy = 0;
short* npcm = (*env)->GetPrimitiveArrayCritical(env, pcm, &npcmIsCopy);
if (npcm != NULL) {
jboolean npacketIsCopy = 0;
char* npacket = (*env)->GetPrimitiveArrayCritical(env, packet, &npacketIsCopy);
if (npacket != NULL) {
result = opus_encode((OpusEncoder*) handle, npcm, frameSize, npacket, packetLength);
(*env)->ReleasePrimitiveArrayCritical(env, packet, npacket, 0);
Java_org_echocat_jogg_OggJNISupport_checkResponse(env, result);
} else {
Java_org_echocat_jogg_OggJNISupport_throwOutOfMemoryError(env);
}
(*env)->ReleasePrimitiveArrayCritical(env, pcm, npcm, JNI_ABORT);
} else {
Java_org_echocat_jogg_OggJNISupport_throwOutOfMemoryError(env);
}
}
return result;
}
static switch_status_t switch_opus_encode(switch_codec_t *codec,
switch_codec_t *other_codec,
void *decoded_data,
uint32_t decoded_data_len,
uint32_t decoded_rate, void *encoded_data, uint32_t *encoded_data_len, uint32_t *encoded_rate,
unsigned int *flag)
{
struct opus_context *context = codec->private_info;
int bytes = 0;
int len = (int) *encoded_data_len;
if (!context) {
return SWITCH_STATUS_FALSE;
}
if (len > 1275) len = 1275;
bytes = opus_encode(context->encoder_object, (void *) decoded_data, decoded_data_len / 2, (unsigned char *) encoded_data, len);
if (bytes > 0) {
*encoded_data_len = (uint32_t) bytes;
return SWITCH_STATUS_SUCCESS;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Encoder Error!\n");
return SWITCH_STATUS_GENERR;
}
static switch_status_t switch_opus_encode(switch_codec_t *codec,
switch_codec_t *other_codec,
void *decoded_data,
uint32_t decoded_data_len,
uint32_t decoded_rate, void *encoded_data, uint32_t *encoded_data_len, uint32_t *encoded_rate,
unsigned int *flag)
{
struct opus_context *context = codec->private_info;
int bytes = 0;
int len = (int) *encoded_data_len;
if (!context) {
return SWITCH_STATUS_FALSE;
}
bytes = opus_encode(context->encoder_object, (void *) decoded_data, context->enc_frame_size, (unsigned char *) encoded_data, len);
if (bytes > 0) {
*encoded_data_len = (uint32_t) bytes;
return SWITCH_STATUS_SUCCESS;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Encoder Error: %s Decoded Datalen %u Codec NumberChans %u Len %u DecodedDate %p EncodedData %p ContextEncoderObject %p!\n", opus_strerror(bytes),decoded_data_len,codec->implementation->number_of_channels,len,(void *) decoded_data,(void *) encoded_data,(void *) context->encoder_object);
return SWITCH_STATUS_GENERR;
}
/**
* @brief Encode audio frame
*
* @param av Handler
* @param dest dest
* @param dest_max Max dest size
* @param frame The frame
* @param frame_size The frame size
* @return int
* @retval ToxAvError On error.
* @retval >0 On success
*/
int toxav_prepare_audio_frame ( ToxAv *av, int32_t call_index, uint8_t *dest, int dest_max, const int16_t *frame,
int frame_size)
{
if (cii(call_index, av->msi_session) || !av->calls[call_index].call_active) {
LOGGER_WARNING("Action on inactive call: %d", call_index);
return ErrorNoCall;
}
CallSpecific *call = &av->calls[call_index];
pthread_mutex_lock(&call->mutex);
if (!call->call_active) {
pthread_mutex_unlock(&call->mutex);
LOGGER_WARNING("Action on inactive call: %d", call_index);
return ErrorNoCall;
}
int32_t rc = opus_encode(call->cs->audio_encoder, frame, frame_size, dest, dest_max);
pthread_mutex_unlock(&call->mutex);
if (rc < 0) {
LOGGER_ERROR("Failed to encode payload: %s\n", opus_strerror(rc));
return ErrorInternal;
}
return rc;
}
/* Send audio to the group chat.
*
* return 0 on success.
* return -1 on failure.
*/
int group_send_audio(Group_Chats *g_c, int groupnumber, const int16_t *pcm, unsigned int samples, uint8_t channels,
unsigned int sample_rate)
{
Group_AV *group_av = group_get_object(g_c, groupnumber);
if (!group_av)
return -1;
if (channels != 1 && channels != 2)
return -1;
//TODO: allow different sample rates
if (sample_rate != 48000)
return -1;
if (!group_av->audio_encoder || group_av->audio_channels != channels || group_av->audio_sample_rate != sample_rate) {
group_av->audio_channels = channels;
group_av->audio_sample_rate = sample_rate;
group_av->audio_bitrate = 64000; //TODO: add way of adjusting bitrate
if (recreate_encoder(group_av) == -1)
return -1;
}
uint8_t encoded[1024];
int32_t size = opus_encode(group_av->audio_encoder, pcm, samples, encoded, sizeof(encoded));
if (size <= 0)
return -1;
return send_audio_packet(g_c, groupnumber, encoded, size);
}
static int encode(struct aucodec_st *st, struct mbuf *dst, struct mbuf *src)
{
int len;
if (!mbuf_get_left(src))
return 0;
if (mbuf_get_left(src) != st->fsize) {
DEBUG_WARNING("encode: got %d bytes, expected %d\n",
mbuf_get_left(src), st->fsize);
return EINVAL;
}
if (mbuf_get_space(dst) < MAX_PACKET) {
int err = mbuf_resize(dst, dst->pos + MAX_PACKET);
if (err)
return err;
}
len = opus_encode(st->enc, (short *)mbuf_buf(src), st->frame_size,
mbuf_buf(dst), (int)mbuf_get_space(dst));
if (len < 0) {
DEBUG_WARNING("encode error: %d (%u bytes)\n", len,
mbuf_get_left(src));
return EPROTO;
}
src->pos = src->end;
dst->end = dst->pos + len;
return 0;
}
WebRtc_Word16 WebRtcOpus_Encode(OPUS_encinst_t* encInst,
WebRtc_Word16* input,
WebRtc_Word16* output,
WebRtc_Word16 len,
WebRtc_Word16 byteLen){
return opus_encode(((OPUS_Enc_Inst_t*)encInst)->enc, (short*)input, len, (unsigned char*)output, MAX_PACKET);
}
int opus_enc_encode(opus_enc *opus, short *pcm_buf, char *enc_buf, int size)
{
int w = 0;
ogg_packet op;
int ret;
if(size == 0)
return 0;
//printf("Opus Encoder encoding %d samples\n", size);
if (opus->encoder == NULL) {
printf("Opus Encoder NULL wtf?\n");
return 0;
}
while (ogg_stream_flush(&opus->os, &opus->og) != 0) {
memcpy(enc_buf+w, opus->og.header, opus->og.header_len);
w += opus->og.header_len;
memcpy(enc_buf+w, opus->og.body, opus->og.body_len);
w += opus->og.body_len;
}
if (opus->last_bitrate != opus->bitrate) {
if ((opus->bitrate < 9600) || (opus->bitrate > 320000)) {
opus->bitrate = DEFAULT_OPUS_BITRATE;
}
opus_encoder_ctl (opus->encoder, OPUS_SET_BITRATE(opus->bitrate));
opus->last_bitrate = opus->bitrate;
}
ret = opus_encode (opus->encoder, pcm_buf, 960, opus->buffer, 2048 * 4);
//printf("Opus Encoder encoding %d samples, got back %d bytes\n", size, ret);
op.b_o_s = 0;
op.e_o_s = 0;
op.granulepos = opus->granulepos;
op.packetno = opus->packetno++;
op.packet = opus->buffer;
op.bytes = ret;
opus->granulepos += 960;
ogg_stream_packetin (&opus->os, &op);
while (ogg_stream_flush(&opus->os, &opus->og) != 0) {
memcpy(enc_buf+w, opus->og.header, opus->og.header_len);
w += opus->og.header_len;
memcpy(enc_buf+w, opus->og.body, opus->og.body_len);
w += opus->og.body_len;
}
return w;
}
/**
* @brief Encode and send audio frame.
*
* @param av Handler.
* @param frame The frame (raw 16 bit signed pcm with AUDIO_CHANNELS channels audio.)
* @param frame_size Its size in number of frames/samples (one frame/sample is 16 bits or 2 bytes)
* frame size should be AUDIO_FRAME_SIZE.
* @return int
* @retval 0 Success.
* @retval ToxAvError On error.
*/
inline__ int toxav_send_audio ( ToxAv *av, const int16_t *frame, int frame_size)
{
uint8_t temp_data[RTP_PAYLOAD_SIZE];
int32_t ret = opus_encode(av->cs->audio_encoder, frame, frame_size, temp_data, sizeof(temp_data));
if (ret <= 0)
return ErrorInternal;
return toxav_send_rtp_payload(av, TypeAudio, temp_data, ret);
}
int OpusEncode::Encode(const short* input_buffer, int input_samples,
char* output_buffer, int output_bufsize)
{
assert(m_encoder);
assert(input_buffer);
assert(output_buffer);
return opus_encode(m_encoder, input_buffer, input_samples,
reinterpret_cast<unsigned char*>(output_buffer),
output_bufsize);
}
EMSCRIPTEN_KEEPALIVE
int encode(Encoder* encoder, int length, int frame_size) {
to_big_endian(encoder->in_pcm, length, encoder->in_big_endian);
return opus_encode(
encoder->encoder,
encoder->in_big_endian,
frame_size,
encoder->out_encoded,
MAX_OUTPUT_BYTES
);
}
size_t Opus::encode(const std::vector<std::vector<SFLAudioSample> > &pcm, uint8_t *data, size_t len)
{
if (data == nullptr) return 0;
int ret;
if (channelsCur_ == 1) {
ret = opus_encode(encoder_, pcm[0].data(), FRAME_SIZE, data, len);
} else {
std::array<SFLAudioSample, 2 * FRAME_SIZE> ibuf; // interleave on stack, 1.875KiB used;
for (unsigned i = 0; i < FRAME_SIZE; i++) {
ibuf[2 * i] = pcm[0][i];
ibuf[2 * i + 1] = pcm[1][i];
}
ret = opus_encode(encoder_, ibuf.data(), FRAME_SIZE, data, len);
}
if (ret < 0) {
std::cerr << opus_strerror(ret) << std::endl;
ret = 0;
}
return ret;
}
/**
* @brief Encode audio frame
*
* @param av Handler
* @param dest dest
* @param dest_max Max dest size
* @param frame The frame
* @param frame_size The frame size
* @return int
* @retval ToxAvError On error.
* @retval >0 On success
*/
inline__ int toxav_prepare_audio_frame ( ToxAv *av, int32_t call_index, uint8_t *dest, int dest_max,
const int16_t *frame, int frame_size)
{
int32_t rc = opus_encode(av->calls[call_index].cs->audio_encoder, frame, frame_size, dest, dest_max);
if (rc < 0) {
fprintf(stderr, "Failed to encode payload: %s\n", opus_strerror(rc));
return ErrorInternal;
}
return rc;
}
void Encoder::encode(const QByteArray& src)
{
buffer_ += src;
int buffer_size = framesize_ * (2 * sizeof(quint16));
while (buffer_.size() >= buffer_size) {
QByteArray encodedBuf(4000, 0);
opus_int32 length = opus_encode(encoder_, reinterpret_cast<const opus_int16*>(buffer_.data()), framesize_,
reinterpret_cast<unsigned char*>(encodedBuf.data()), encodedBuf.size());
position_ += framesize_;
encodedBuf.resize(length);
emit encoded(encodedBuf, position_);
buffer_ = buffer_.mid(buffer_size);
}
}
/**
* @brief Encode audio frame
*
* @param av Handler
* @param dest dest
* @param dest_max Max dest size
* @param frame The frame
* @param frame_size The frame size
* @return int
* @retval ToxAvError On error.
* @retval >0 On success
*/
inline__ int toxav_prepare_audio_frame ( ToxAv *av, int32_t call_index, uint8_t *dest, int dest_max,
const int16_t *frame, int frame_size)
{
if (cii(call_index, av->msi_session)) return ErrorNoCall;
int32_t rc = opus_encode(av->calls[call_index].cs->audio_encoder, frame, frame_size, dest, dest_max);
if (rc < 0) {
LOGGER_ERROR("Failed to encode payload: %s\n", opus_strerror(rc));
return ErrorInternal;
}
return rc;
}
int AudioInput::encodeOpusFrame(short *source, int size, EncodingOutputBuffer& buffer) {
int len = 0;
#ifdef USE_OPUS
if (!bPreviousVoice)
opus_encoder_ctl(opusState, OPUS_RESET_STATE, NULL);
opus_encoder_ctl(opusState, OPUS_SET_BITRATE(iAudioQuality));
len = opus_encode(opusState, source, size, &buffer[0], buffer.size());
const int tenMsFrameCount = (size / iFrameSize);
iBitrate = (len * 100 * 8) / tenMsFrameCount;
#endif
return len;
}
int AudioInput::encodeOpusFrame(short *source, int size, EncodingOutputBuffer& buffer) {
int len = 0;
#ifdef USE_OPUS
if (bResetEncoder) {
opus_encoder_ctl(opusState, OPUS_RESET_STATE, NULL);
bResetEncoder = false;
}
opus_encoder_ctl(opusState, OPUS_SET_BITRATE(iAudioQuality));
len = opus_encode(opusState, source, size, &buffer[0], static_cast<opus_int32>(buffer.size()));
const int tenMsFrameCount = (size / iFrameSize);
iBitrate = (len * 100 * 8) / tenMsFrameCount;
#endif
return len;
}
int16_t WebRtcOpus_EncodeNative(OpusEncInst *inst,
int16_t *audioIn,
uint8_t *encoded,
int16_t encodedLenByte,
int16_t len)
{
opus_int16 *audio = (opus_int16 *)audioIn;
unsigned char *coded = encoded;
int res = opus_encode(inst->encoder, audio, len, coded, encodedLenByte);
if (res > 0) {
return res;
}
return -1;
}
int16_t WebRtcOpus_Encode(OpusEncInst* inst, int16_t* audio_in, int16_t samples,
int16_t length_encoded_buffer, uint8_t* encoded) {
opus_int16* audio = (opus_int16*) audio_in;
unsigned char* coded = encoded;
int res;
if (samples > 48 * kWebRtcOpusMaxEncodeFrameSizeMs) {
return -1;
}
res = opus_encode(inst->encoder, audio, samples, coded,
length_encoded_buffer);
if (res > 0) {
return res;
}
return -1;
}
virtual bool Transcode(const void * fromPtr,
unsigned & fromLen,
void * toPtr,
unsigned & toLen,
unsigned & flags)
{
opus_int32 result = opus_encode(m_encoder,
(const opus_int16 *)fromPtr, fromLen/m_channels/2,
(unsigned char *)toPtr, toLen);
if (result < 0) {
PTRACE(1, MY_CODEC_LOG, "Encoder error " << result << ' ' << opus_strerror(result));
return false;
}
toLen = result;
fromLen = opus_packet_get_nb_samples((const unsigned char *)toPtr, toLen, m_sampleRate)*m_channels*2;
return true;
}
int pcm16_2_opus( unsigned char* out_buf, unsigned char* in_buf, unsigned int size,
unsigned int channels, unsigned int rate, long h_codec )
{
opus_state_t* codec_inst;
int res;
if (!h_codec){
ERROR("opus codec not initialized.\n");
return 0;
}
codec_inst = (opus_state_t*)h_codec;
res = opus_encode(codec_inst->opus_enc, (opus_int16*)in_buf, size/2/channels, out_buf, AUDIO_BUFFER_SIZE);
/* returns bytes in encoded frame */
/* DBG ("OPUS encode: size: %d, chan: %d, rate: %d, result %d.\n", size, channels, rate, res); */
return res;
}
CODEC_API int PLG_ENCODE_V1(opus_48000)(void* opaqueCodecContext, const void* pcmAudioBuffer,
unsigned pcmAudioSamples, int* samplesConsumed,
void* encodedData, unsigned maxCodedDataSize,
int* encodedDataSize, unsigned* sendNow)
{
int status = RPLG_INVALID_ARGUMENT;
assert(opaqueCodecContext);
struct MpCodecOpusCodecState* encoderContext = (struct MpCodecOpusCodecState*) opaqueCodecContext;
assert(encoderContext->mCodecType == CODEC_ENCODE);
assert(encoderContext->mpEncoderContext);
if(encoderContext->mpEncoderContext)
{
int encodedBytes = opus_encode(encoderContext->mpEncoderContext,
pcmAudioBuffer,
pcmAudioSamples,
encodedData,
maxCodedDataSize);
if(encodedBytes >= 0)
{
status = RPLG_SUCCESS;
*encodedDataSize = encodedBytes;
*samplesConsumed = pcmAudioSamples;
*sendNow = TRUE;
}
else
{
status = OpusToPluginError(encodedBytes);
*encodedDataSize = 0;
*samplesConsumed = 0;
*sendNow = FALSE;
mppLogError("opus_encode buffer: %p, samples: %d, opus error: %d status: %d",
pcmAudioBuffer, pcmAudioSamples, encodedBytes, status);
}
}
else
{
mppLogError("opus_48000 encode called with NULL context");
}
return(status);
}
int opus_encode_frm(struct auenc_state *aes, uint8_t *buf, size_t *len,
const int16_t *sampv, size_t sampc)
{
opus_int32 n;
if (!aes || !buf || !len || !sampv)
return EINVAL;
n = opus_encode(aes->enc, sampv, (int)(sampc/aes->ch),
buf, (opus_int32)(*len));
if (n < 0) {
warning("opus: encode error: %s\n", opus_strerror((int)n));
return EPROTO;
}
*len = n;
return 0;
}
boolean SoundWavData::toOpus(BinaryData& dst)
{
EndianSafeBinaryDataAccessor a(dst);
MyOpusFileHeader header;
header.channels = _channels;
header.packetSize = SOUNDLIB_OPUS_PACKET_SIZE * _channels;
header.save(a);
int err;
OpusEncoder* enc = opus_encoder_create(header.framesPerSecond, header.channels, OPUS_APPLICATION_AUDIO, &err);
if(!enc){
logError << "opus_encoder_create ";
return false;
}
uint bitrate = AUDIOLIB_FRAME_RATE / SOUNDLIB_OPUS_PACKET_FRAMES * 8 * _channels * SOUNDLIB_OPUS_PACKET_SIZE;
err = opus_encoder_ctl(enc, OPUS_SET_BITRATE(bitrate));
if(err != OPUS_OK){
logError << "opus_encoder_ctl OPUS_SET_BITRATE " << bitrate;
}
byte buff[AUDIOLIB_PACKET_FRAMES * AUDIOLIB_MAX_CHANNELS * 2];
Assert(AUDIOLIB_PACKET_FRAMES * AUDIOLIB_MAX_CHANNELS * 2 > header.packetSize);
uint unusedbytes = 0;
for(uint fr=0; fr + header.packetFrames <= _frames; fr += header.packetFrames)
{
int s = opus_encode(enc, _data + _channels * fr, header.packetFrames, buff, header.packetSize);
Assert(s > 0);
int d = header.packetSize - s;
if(d){
memoryClear(buff + s, d);
unusedbytes += d;
}
a.write(buff, header.packetSize);
}
opus_encoder_destroy(enc);
logInfo << "unused bytes " << unusedbytes;
return true;
}
int tc_opus_encode(OpusEncoder *encoder, unsigned char *pcm_bytes, unsigned char *cbits, int channels, int frame_size)
{
int i;
int nbBytes;
opus_int16 in[frame_size*channels];
/* Convert from little-endian ordering. */
for (i=0;i<channels*frame_size;i++)
in[i]=pcm_bytes[2*i+1]<<8|pcm_bytes[2*i];
nbBytes = opus_encode(encoder, in, frame_size, cbits, frame_size*channels*2);
if (nbBytes<0)
{
pa_log_error("encode failed: %s", opus_strerror(nbBytes));
return EXIT_FAILURE;
}
return nbBytes;
}
AM_UINT CAudioCodecOpus::encode(AM_U8 *input, AM_UINT inDataSize,
AM_U8 *output, AM_UINT *outDataSize)
{
*outDataSize = 0;
if (AM_LIKELY(0 == (inDataSize % mEncFrameBytes))) {
bool isOk = true;
AM_U8 *out = mEncodeBuf;
memset(out, 0, sizeof(mEncodeBuf));
mRepacketizer = opus_repacketizer_init(mRepacketizer);
for (AM_UINT i = 0; i < (inDataSize / mEncFrameBytes); ++ i) {
const opus_int16* pcm = (opus_int16*)(input + i * mEncFrameBytes);
int ret = opus_encode(mEncoder, pcm, mEncFrameSize, out, 4096);
if (AM_LIKELY(ret > 0)) {
int retval = opus_repacketizer_cat(mRepacketizer, out, ret);
if (AM_UNLIKELY(retval != OPUS_OK)) {
ERROR("Opus repacketizer error: %s", opus_strerror(retval));
isOk = false;
break;
}
out += ret;
} else {
ERROR("Opus encode error: %s", opus_strerror(ret));
isOk = false;
break;
}
}
if (AM_LIKELY(isOk)) {
int ret = opus_repacketizer_out(mRepacketizer, output, 4096);
if (AM_LIKELY(ret > 0)) {
*outDataSize = ret;
} else {
ERROR("Opus repacketizer error: %s", opus_strerror(ret));
}
}
} else {
ERROR("Invalid input data length: %u, must be n times of %u",
inDataSize, mEncFrameBytes);
}
return *outDataSize;
}
JNIEXPORT jint JNICALL
Java_org_jitsi_impl_neomedia_codec_audio_opus_Opus_encode
(JNIEnv *env, jclass clazz, jlong encoder, jbyteArray input,
jint inputOffset, jint inputFrameSize, jbyteArray output,
jint outputOffset, jint outputLength)
{
int ret;
if (input && output)
{
jbyte *input_ = (*env)->GetPrimitiveArrayCritical(env, input, 0);
if (input_)
{
jbyte *output_ = (*env)->GetPrimitiveArrayCritical(env, output, 0);
if (output_)
{
ret
= opus_encode(
(OpusEncoder *) (intptr_t) encoder,
(opus_int16 *) (input_ + inputOffset),
inputFrameSize,
(unsigned char *) (output_ + outputOffset),
outputLength);
(*env)->ReleasePrimitiveArrayCritical(env, output, output_, 0);
}
else
ret = OPUS_ALLOC_FAIL;
(*env)->ReleasePrimitiveArrayCritical(
env,
input, input_, JNI_ABORT);
}
else
ret = OPUS_ALLOC_FAIL;
}
else
ret = OPUS_BAD_ARG;
return ret;
}
JNIEXPORT jbyteArray JNICALL Java_aopus_OpusLibrary_encoderEncode
(JNIEnv *env, jobject obj, jlong state, jbyteArray data, jint index, jint length)
{
Encoder *encoder = (Encoder *)state;
// copy managed to unmanaged
unsigned char *dataBytes = malloc(length);
(* env)->GetByteArrayRegion(env, data, index, length, dataBytes);
int encodedLength = opus_encode(encoder->enc, (opus_int16 *)dataBytes, encoder->frameSizePerChannel, encoder->buffer, encoder->maxBufferSize);
free(dataBytes);
if (encodedLength > 0)
{
// copy unmanaged to managed
jbyteArray encodedFrame = (* env)->NewByteArray(env, encodedLength);
(* env)->SetByteArrayRegion(env, encodedFrame, 0, encodedLength, encoder->buffer);
return encodedFrame;
}
return NULL;
}
bin_data opus_encoder::encode(const bin_data& b)
{
REQUIRE(_opus);
REQUIRE_FALSE(b.data.empty());
if(b.data.size() != MIN_BUF_SIZE) return {};
u::bytes r;
r.resize(MIN_BUF_SIZE);
auto size = opus_encode(_opus,
reinterpret_cast<const opus_int16*>(b.data.data()),
FRAMES,
reinterpret_cast<unsigned char*>(r.data()),
r.size());
if(size < 0)
{
LOG << "opus encode error: "; log_opus_error(size);
return {};
}
r.resize(size);
return {r};
}
static struct ast_frame *lintoopus_frameout(struct ast_trans_pvt *pvt)
{
struct opus_coder_pvt *opvt = pvt->pvt;
int datalen = 0; /* output bytes */
int samples = 0; /* output samples */
/* We can't work on anything less than a frame in size */
if (pvt->samples < opvt->framesize) {
return NULL;
}
/* Encode 160 samples (or more if it's not narrowband) */
ast_debug(3, "[Encoder #%d (%d)] %d samples, %d bytes\n",
opvt->id,
opvt->sampling_rate,
opvt->framesize,
opvt->framesize * 2);
if ((datalen = opus_encode(opvt->opus, opvt->buf, opvt->framesize, pvt->outbuf.uc, BUFFER_SAMPLES)) < 0) {
ast_log(LOG_ERROR, "Error encoding the Opus frame: %s\n", opus_strerror(datalen));
return NULL;
}
samples += opvt->framesize;
pvt->samples -= opvt->framesize;
/* Move the data at the end of the buffer to the front */
if (pvt->samples) {
memmove(opvt->buf, opvt->buf + samples, pvt->samples * 2);
}
ast_debug(3, "[Encoder #%d (%d)] >> Got %d samples, %d bytes\n",
opvt->id,
opvt->sampling_rate,
opvt->multiplier * samples,
datalen);
return ast_trans_frameout(pvt, datalen, opvt->multiplier * samples);
}
