int
OpusDecoder_init(decoders_OpusDecoder *self,
PyObject *args, PyObject *kwds)
{
char *filename;
int error;
self->opus_file = NULL;
self->audiotools_pcm = NULL;
self->closed = 0;
if (!PyArg_ParseTuple(args, "s", &filename))
return -1;
if ((self->opus_file = op_open_file(filename, &error)) == NULL) {
PyErr_SetString(PyExc_ValueError, "error opening Opus file");
return -1;
}
self->channel_count = op_channel_count(self->opus_file, -1);
if ((self->audiotools_pcm = open_audiotools_pcm()) == NULL)
return -1;
return 0;
}
SoundSource::OpenResult SoundSourceOpus::tryOpen(const AudioSourceConfig& /*audioSrcCfg*/) {
// From opus/opusfile.h
// On Windows, this string must be UTF-8 (to allow access to
// files whose names cannot be represented in the current
// MBCS code page).
// All other systems use the native character encoding.
#ifdef _WIN32
QByteArray qBAFilename = getLocalFileName().toUtf8();
#else
QByteArray qBAFilename = getLocalFileName().toLocal8Bit();
#endif
int errorCode = 0;
DEBUG_ASSERT(!m_pOggOpusFile);
m_pOggOpusFile = op_open_file(qBAFilename.constData(), &errorCode);
if (!m_pOggOpusFile) {
qWarning() << "Failed to open OggOpus file:" << getUrlString()
<< "errorCode" << errorCode;
return OpenResult::FAILED;
}
if (!op_seekable(m_pOggOpusFile)) {
qWarning() << "SoundSourceOpus:"
<< "Stream in"
<< getUrlString()
<< "is not seekable";
return OpenResult::UNSUPPORTED_FORMAT;
}
const int channelCount = op_channel_count(m_pOggOpusFile, kCurrentStreamLink);
if (0 < channelCount) {
setChannelCount(channelCount);
} else {
qWarning() << "Failed to read channel configuration of OggOpus file:" << getUrlString();
return OpenResult::FAILED;
}
const ogg_int64_t pcmTotal = op_pcm_total(m_pOggOpusFile, kEntireStreamLink);
if (0 <= pcmTotal) {
setFrameCount(pcmTotal);
} else {
qWarning() << "Failed to read total length of OggOpus file:" << getUrlString();
return OpenResult::FAILED;
}
const opus_int32 bitrate = op_bitrate(m_pOggOpusFile, kEntireStreamLink);
if (0 < bitrate) {
setBitrate(bitrate / 1000);
} else {
qWarning() << "Failed to determine bitrate of OggOpus file:" << getUrlString();
return OpenResult::FAILED;
}
setSamplingRate(kSamplingRate);
m_curFrameIndex = getMinFrameIndex();
return OpenResult::SUCCEEDED;
}
opus_file_t OpusDynamicLoader::open_opus_file() {
int op_err;
opus_file_t op_file{op_open_file(path.c_str(), &op_err), opus_deleter};
if (op_err != 0) {
throw util::Error{"Could not open: %s", path.c_str()};
}
return std::move(op_file);
}
void cmdMusic(const std::string& args) {
// terrible hack for testing audio
// decode the entire file into a big buffer all at once
OggOpusFile* opusFile;
if (args.length() == 0) {
opusFile = op_open_memory(
static_cast<const uint8_t*>(EMBED_DATA(Who_Likes_to_Party_Kevin_MacLeod_incompetech_opus)),
EMBED_SIZE(Who_Likes_to_Party_Kevin_MacLeod_incompetech_opus),
NULL);
} else {
opusFile = op_open_file(args.c_str(), NULL);
}
if (!opusFile) {
narf::console->println("Failed to open music file " + args);
return;
}
auto newMusicSize = op_pcm_total(opusFile, -1) * 2; // stereo
auto newMusicSamples = new float[newMusicSize];
size_t decoded = 0;
while (decoded < newMusicSize) {
auto rc = op_read_float_stereo(opusFile, newMusicSamples + decoded, newMusicSize - decoded);
if (rc < 0) {
narf::console->println("opusfile decode failed");
decoded = 0;
break;
}
decoded += rc * 2; // return code is number of samples per channel, and we are decoding in stereo
}
if (decoded != newMusicSize) {
narf::console->println("opusfile decode returned wrong number of samples (got " + std::to_string(decoded) + ", expected " + std::to_string(newMusicSize) + ")");
delete[] newMusicSamples;
newMusicSamples = nullptr;
newMusicSize = 0;
}
SDL_LockMutex(musicMutex);
if (musicSamples) {
delete[] musicSamples;
}
musicSamples = newMusicSamples;
musicSize = newMusicSize;
musicCursor = 0;
SDL_UnlockMutex(musicMutex);
op_free(opusFile);
}
Result SoundSourceOpus::open() {
int error = 0;
QByteArray qBAFilename = m_qFilename.toLocal8Bit();
m_ptrOpusFile = op_open_file(qBAFilename.constData(), &error);
if ( m_ptrOpusFile == NULL ) {
qDebug() << "opus: Input does not appear to be an Opus bitstream.";
m_lFilelength = 0;
return ERR;
}
// opusfile lib all ways gives you 48000 samplerate and stereo 16 bit sample
m_iChannels = 2;
this->setBitrate((int)op_bitrate_instant(m_ptrOpusFile));
this->setSampleRate(48000);
this->setChannels(m_iChannels);
if (m_iChannels > 2) {
qDebug() << "opus: No support for more than 2 m_iChannels!";
op_free(m_ptrOpusFile);
m_lFilelength = 0;
return ERR;
}
// op_pcm_total returns the total number of frames in the ogg file. The
// frame is the channel-independent measure of samples. The total samples in
// the file is m_iChannels * ov_pcm_total. rryan 7/2009 I verified this by
// hand. a 30 second long 48khz mono ogg and a 48khz stereo ogg both report
// 1440000 for op_pcm_total.
qint64 ret = op_pcm_total(m_ptrOpusFile, -1) * 2;
// qDebug() << m_qFilename << "chan:" << m_iChannels << "sample:" << m_iSampleRate << "LEN:" << ret;
if (ret >= 0) {
// We pretend that the file is stereo to the rest of the world.
m_lFilelength = ret;
} else { //error
if (ret == OP_EINVAL) {
//The file is not seekable. Not sure if any action is needed.
qDebug() << "opus: file is not seekable " << m_qFilename;
}
}
return OK;
}
pcm_data_t OpusInMemoryLoader::get_resource() {
int op_err;
// open the opus file
opus_file_t op_file{op_open_file(path.c_str(), &op_err), opus_deleter};
if (op_err != 0) {
throw util::Error{"Could not open: %s", path.c_str()};
}
// determine number of channels and number of pcm samples
auto op_channels = op_channel_count(op_file.get(), -1);
auto pcm_length = op_pcm_total(op_file.get(), -1);
log::dbg("Opus channels=%d, pcm_length=%u", op_channels, static_cast<uint32_t>(pcm_length));
// calculate pcm buffer size depending on the number of channels
// if the opus file only had one channel, the pcm buffer size must be
// doubled
uint32_t length = static_cast<uint32_t>(pcm_length) * 2;
pcm_data_t buffer(static_cast<size_t>(length), 0);
// read data from opus file
int position = 0;
while (true) {
int samples_read = op_read(op_file.get(), &buffer.front()+position,
length-position, nullptr);
if (samples_read < 0) {
throw util::Error{"Failed to read from opus file: errorcode=%d", samples_read};
} else if(samples_read == 0) {
break;
}
position += samples_read * op_channels;
}
// convert from mono to stereo
if (op_channels == 1) {
for(int i = pcm_length-1; i >= 0; i--) {
auto value = buffer[i];
buffer[i*2+1] = value;
buffer[i*2] = value;
}
}
return std::move(buffer);
}
/*
* et_opus_open_file:
* @filename: Filepath to open
* @error: GError or %NULL
*
* Opens an Opus file.
*
* Returns: a OggOpusFile on success or %NULL on error.
*/
OggOpusFile *
et_opus_open_file (GFile *gfile, GError **error)
{
OggOpusFile *file;
gchar *path;
int error_val;
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
g_return_val_if_fail (gfile != NULL, NULL);
path = g_file_get_path (gfile);
/* Opusfile does the UTF-8 to UTF-16 translation on Windows
* automatically. */
file = op_open_file (path, &error_val);
g_free (path);
if (!file)
{
/* Got error while opening opus file */
switch (error_val)
{
case OP_EREAD:
g_set_error (error, ET_OPUS_ERROR, ET_OPUS_ERROR_READ,
"Error reading file");
g_assert (error == NULL || *error != NULL);
return NULL;
case OP_EFAULT:
g_set_error (error, ET_OPUS_ERROR, ET_OPUS_ERROR_FAULT,
"Memory allocation failure or internal library error");
g_assert (error == NULL || *error != NULL);
return NULL;
case OP_EIMPL:
g_set_error (error, ET_OPUS_ERROR, ET_OPUS_ERROR_IMPL,
"Stream used an unimplemented feature");
g_assert (error == NULL || *error != NULL);
return NULL;
case OP_EINVAL:
g_set_error (error, ET_OPUS_ERROR, ET_OPUS_ERROR_INVAL,
"seek () succeeded on this source but tell () did not");
g_assert (error == NULL || *error != NULL);
return NULL;
case OP_ENOTFORMAT:
g_set_error (error, ET_OPUS_ERROR, ET_OPUS_ERROR_NOTFORMAT,
"No logical stream found in a link");
g_assert (error == NULL || *error != NULL);
return NULL;
case OP_EBADHEADER:
g_set_error (error, ET_OPUS_ERROR, ET_OPUS_ERROR_BADHEADER,
"Corrupted header packet");
g_assert (error == NULL || *error != NULL);
return NULL;
case OP_EVERSION:
g_set_error (error, ET_OPUS_ERROR, ET_OPUS_ERROR_VERSION,
"ID header contained an unrecognized version number");
g_assert (error == NULL || *error != NULL);
return NULL;
case OP_EBADLINK:
g_set_error (error, ET_OPUS_ERROR, ET_OPUS_ERROR_BADLINK,
"Corrupted link found");
g_assert (error == NULL || *error != NULL);
return NULL;
case OP_EBADTIMESTAMP:
g_set_error (error, ET_OPUS_ERROR, ET_OPUS_ERROR_BADTIMESTAMP,
"First/last timestamp in a link failed checks");
g_assert (error == NULL || *error != NULL);
return NULL;
default:
g_assert_not_reached ();
break;
}
}
return file;
}
/*
Parse the the file to get metadata
*/
Result SoundSourceOpus::parseHeader() {
int error = 0;
QByteArray qBAFilename = m_qFilename.toLocal8Bit();
OggOpusFile *l_ptrOpusFile = op_open_file(qBAFilename.constData(), &error);
this->setBitrate((int)op_bitrate(l_ptrOpusFile, -1) / 1000);
this->setSampleRate(48000);
this->setChannels(2);
qint64 l_lLength = op_pcm_total(l_ptrOpusFile, -1) * 2;
this->setDuration(l_lLength / (48000 * 2));
this->setType("opus");
// If we don't have new enough Taglib we use libopusfile parser!
#if (TAGLIB_MAJOR_VERSION >= 1) && (TAGLIB_MINOR_VERSION >= 9)
TagLib::Ogg::Opus::File f(qBAFilename.constData());
// Takes care of all the default metadata
bool result = processTaglibFile(f);
TagLib::Ogg::XiphComment *tag = f.tag();
if (tag) {
processXiphComment(tag);
}
#else
// From Taglib 1.9.x Opus is supported
// Before that we have parse tags by this code
int i = 0;
const OpusTags *l_ptrOpusTags = op_tags(l_ptrOpusFile, -1);
// This is left for debug reasons !!
// qDebug() << "opus: We have " << l_ptrOpusTags->comments;
for( i = 0; i < l_ptrOpusTags->comments; i ++){
QString l_SWholeTag = QString(l_ptrOpusTags->user_comments[i]);
QString l_STag = l_SWholeTag.left(l_SWholeTag.indexOf("="));
QString l_SPayload = l_SWholeTag.right((l_SWholeTag.length() - l_SWholeTag.indexOf("=")) - 1);
if (!l_STag.compare("ARTIST") ) {
this->setArtist(l_SPayload);
} else if (!l_STag.compare("ALBUM")) {
this->setAlbum(l_SPayload);
} else if (!l_STag.compare("BPM")) {
this->setBPM(l_SPayload.toFloat());
} else if (!l_STag.compare("YEAR") || !l_STag.compare("DATE")) {
this->setYear(l_SPayload);
} else if (!l_STag.compare("GENRE")) {
this->setGenre(l_SPayload);
} else if (!l_STag.compare("TRACKNUMBER")) {
this->setTrackNumber(l_SPayload);
} else if (!l_STag.compare("COMPOSER")) {
this->setComposer(l_SPayload);
} else if (!l_STag.compare("ALBUMARTIST")) {
this->setAlbumArtist(l_SPayload);
} else if (!l_STag.compare("TITLE")) {
this->setTitle(l_SPayload);
} else if (!l_STag.compare("REPLAYGAIN_TRACK_PEAK")) {
} else if (!l_STag.compare("REPLAYGAIN_TRACK_GAIN")) {
this->parseReplayGainString (l_SPayload);
} else if (!l_STag.compare("REPLAYGAIN_ALBUM_PEAK")) {
} else if (!l_STag.compare("REPLAYGAIN_ALBUM_GAIN")) {
}
// This is left fot debug reasons!!
//qDebug() << "Comment" << i << l_ptrOpusTags->comment_lengths[i] <<
//" (" << l_ptrOpusTags->user_comments[i] << ")" << l_STag << "*" << l_SPayload;
}
op_free(l_ptrOpusFile);
return OK;
#endif
#if TAGLIB_MAJOR_VERSION >= 1 && TAGLIB_MINOR_VERSION >= 9
return result ? OK : ERR;
#endif
}
opus_file_t open_opus_file(const util::Path &path) {
if (not path.is_file()) {
throw audio::Error{
ERR << "Audio file not found: " << path
};
}
opus_file_t op_file;
int op_err = 0;
//asm("int $3");
// check if the file can be opened directly
auto native_path = path.resolve_native_path();
if (false && native_path.size() > 0) {
op_file.handle = {
op_open_file(native_path.c_str(), &op_err),
opus_deleter
};
}
else {
// open the file and move the handle to the heap
op_file.file = std::make_unique<util::File>();
*op_file.file = path.open_r();
op_file.handle = {
op_open_callbacks(op_file.file.get(), &opus_access_funcs,
nullptr, 0, &op_err),
opus_deleter
};
}
if (op_err != 0) {
const char *reason;
switch (op_err) {
case OP_EREAD:
reason = "read/seek/tell failed or data has changed"; break;
case OP_EFAULT:
reason = "opus failed to allocate memory "
"or something else bad happened internally"; break;
case OP_EIMPL:
reason = "Stream used an unsupported feature"; break;
case OP_EINVAL:
reason = "seek() worked, but tell() did not, "
"or initial_bytes != start seek pos"; break;
case OP_ENOTFORMAT:
reason = "Data didn't contain opus stream"; break;
case OP_EBADHEADER:
reason = "Header packet was invalid or missing"; break;
case OP_EVERSION:
reason = "ID header has unrecognized version"; break;
case OP_EBADLINK:
reason = "Data we already saw before seeking not found"; break;
case OP_EBADTIMESTAMP:
reason = "Validity check for first/last timestamp failed"; break;
default:
reason = "Unknown other error in opusfile"; break;
}
throw audio::Error{
ERR
<< "Could not open opus file: "
<< path << " = '" << native_path << "': "
<< reason
};
}
return op_file;
}
Result SoundSourceOpus::parseTrackMetadataAndCoverArt(
TrackMetadata* pTrackMetadata,
QImage* pCoverArt) const {
if (OK == SoundSource::parseTrackMetadataAndCoverArt(
pTrackMetadata, pCoverArt)) {
// Done if the default implementation in the base class
// supports Opus files.
return OK;
}
// Beginning with version 1.9.0 TagLib supports the Opus format.
// Until this becomes the minimum version required by Mixxx tags
// in .opus files must also be parsed using opusfile. The following
// code should removed as soon as it is no longer needed!
//
// NOTE(uklotzde): The following code has been found in SoundSourceOpus
// and will not be improved. We are aware of its shortcomings like
// the lack of proper error handling.
// From opus/opusfile.h
// On Windows, this string must be UTF-8 (to allow access to
// files whose names cannot be represented in the current
// MBCS code page).
// All other systems use the native character encoding.
#ifdef _WIN32
QByteArray qBAFilename = getLocalFileName().toUtf8();
#else
QByteArray qBAFilename = getLocalFileName().toLocal8Bit();
#endif
int error = 0;
OggOpusFileOwner l_ptrOpusFile(
op_open_file(qBAFilename.constData(), &error));
int i = 0;
const OpusTags *l_ptrOpusTags = op_tags(l_ptrOpusFile, -1);
pTrackMetadata->setChannels(op_channel_count(l_ptrOpusFile, -1));
pTrackMetadata->setSampleRate(Mixxx::SoundSourceOpus::kSamplingRate);
pTrackMetadata->setBitrate(op_bitrate(l_ptrOpusFile, -1) / 1000);
pTrackMetadata->setDuration(
op_pcm_total(l_ptrOpusFile, -1) / pTrackMetadata->getSampleRate());
bool hasDate = false;
for (i = 0; i < l_ptrOpusTags->comments; ++i) {
QString l_SWholeTag = QString(l_ptrOpusTags->user_comments[i]);
QString l_STag = l_SWholeTag.left(l_SWholeTag.indexOf("="));
QString l_SPayload = l_SWholeTag.right((l_SWholeTag.length() - l_SWholeTag.indexOf("=")) - 1);
if (!l_STag.compare("ARTIST")) {
pTrackMetadata->setArtist(l_SPayload);
} else if (!l_STag.compare("ALBUM")) {
pTrackMetadata->setAlbum(l_SPayload);
} else if (!l_STag.compare("BPM")) {
pTrackMetadata->setBpm(l_SPayload.toFloat());
} else if (!l_STag.compare("DATE")) {
// Prefer "DATE" over "YEAR"
pTrackMetadata->setYear(l_SPayload.trimmed());
// Avoid to overwrite "DATE" with "YEAR"
hasDate |= !pTrackMetadata->getYear().isEmpty();
} else if (!hasDate && !l_STag.compare("YEAR")) {
pTrackMetadata->setYear(l_SPayload.trimmed());
} else if (!l_STag.compare("GENRE")) {
pTrackMetadata->setGenre(l_SPayload);
} else if (!l_STag.compare("TRACKNUMBER")) {
pTrackMetadata->setTrackNumber(l_SPayload);
} else if (!l_STag.compare("COMPOSER")) {
pTrackMetadata->setComposer(l_SPayload);
} else if (!l_STag.compare("ALBUMARTIST")) {
pTrackMetadata->setAlbumArtist(l_SPayload);
} else if (!l_STag.compare("TITLE")) {
pTrackMetadata->setTitle(l_SPayload);
} else if (!l_STag.compare("REPLAYGAIN_TRACK_GAIN")) {
bool trackGainRatioValid = false;
double trackGainRatio = ReplayGain::parseGain2Ratio(l_SPayload, &trackGainRatioValid);
if (trackGainRatioValid) {
ReplayGain trackGain(pTrackMetadata->getReplayGain());
trackGain.setRatio(trackGainRatio);
pTrackMetadata->setReplayGain(trackGain);
}
}
// This is left fot debug reasons!!
//qDebug() << "Comment" << i << l_ptrOpusTags->comment_lengths[i] <<
//" (" << l_ptrOpusTags->user_comments[i] << ")" << l_STag << "*" << l_SPayload;
}
return OK;
}
void VoiceMessagesLoader::onLoad(AudioData *audio) {
bool started = false;
int32 audioindex = -1;
Loader *l = 0;
Loaders::iterator j = _loaders.end();
{
QMutexLocker lock(&voicemsgsMutex);
VoiceMessages *voice = audioVoice();
if (!voice) return;
for (int32 i = 0; i < AudioVoiceMsgSimultaneously; ++i) {
VoiceMessages::Msg &m(voice->_data[i]);
if (m.audio != audio || !m.loading) continue;
audioindex = i;
j = _loaders.find(audio);
if (j != _loaders.end() && (j.value()->fname != m.fname || j.value()->data.size() != m.data.size())) {
delete j.value();
_loaders.erase(j);
j = _loaders.end();
}
if (j == _loaders.end()) {
l = (j = _loaders.insert(audio, new Loader())).value();
l->fname = m.fname;
l->data = m.data;
int ret;
if (m.data.isEmpty()) {
l->file = op_open_file(m.fname.toUtf8().constData(), &ret);
} else {
l->file = op_open_memory((const unsigned char*)m.data.constData(), m.data.size(), &ret);
}
if (!l->file) {
LOG(("Audio Error: op_open_file failed for '%1', data size '%2', error code %3").arg(m.fname).arg(m.data.size()).arg(ret));
m.state = VoiceMessageStopped;
return loadError(j);
}
ogg_int64_t duration = op_pcm_total(l->file, -1);
if (duration < 0) {
LOG(("Audio Error: op_pcm_total failed to get full duration for '%1', data size '%2', error code %3").arg(m.fname).arg(m.data.size()).arg(duration));
m.state = VoiceMessageStopped;
return loadError(j);
}
m.duration = duration;
m.skipStart = 0;
m.skipEnd = duration;
m.position = 0;
m.started = 0;
started = true;
} else {
if (!m.skipEnd) continue;
l = j.value();
}
break;
}
}
if (j == _loaders.end()) {
LOG(("Audio Error: trying to load part of audio, that is not playing at the moment"));
emit error(audio);
return;
}
if (started) {
l->pcm_offset = op_pcm_tell(l->file);
l->pcm_print_offset = l->pcm_offset - AudioVoiceMsgFrequency;
}
bool finished = false;
DEBUG_LOG(("Audio Info: reading buffer for file '%1', data size '%2', current pcm_offset %3").arg(l->fname).arg(l->data.size()).arg(l->pcm_offset));
QByteArray result;
int64 samplesAdded = 0;
while (result.size() < AudioVoiceMsgBufferSize) {
opus_int16 pcm[AudioVoiceMsgFrequency * AudioVoiceMsgChannels];
int ret = op_read_stereo(l->file, pcm, sizeof(pcm) / sizeof(*pcm));
if (ret < 0) {
{
QMutexLocker lock(&voicemsgsMutex);
VoiceMessages *voice = audioVoice();
if (voice) {
VoiceMessages::Msg &m(voice->_data[audioindex]);
if (m.audio == audio) {
m.state = VoiceMessageStopped;
}
}
}
LOG(("Audio Error: op_read_stereo failed, error code %1").arg(ret));
return loadError(j);
}
int li = op_current_link(l->file);
if (li != l->prev_li) {
const OpusHead *head = op_head(l->file, li);
const OpusTags *tags = op_tags(l->file, li);
for (int32 ci = 0; ci < tags->comments; ++ci) {
const char *comment = tags->user_comments[ci];
if (opus_tagncompare("METADATA_BLOCK_PICTURE", 22, comment) == 0) {
OpusPictureTag pic;
int err = opus_picture_tag_parse(&pic, comment);
if (err >= 0) {
opus_picture_tag_clear(&pic);
}
}
}
if (!op_seekable(l->file)) {
l->pcm_offset = op_pcm_tell(l->file) - ret;
}
}
if (li != l->prev_li || l->pcm_offset >= l->pcm_print_offset + AudioVoiceMsgFrequency) {
l->pcm_print_offset = l->pcm_offset;
}
l->pcm_offset = op_pcm_tell(l->file);
if (!ret) {
DEBUG_LOG(("Audio Info: read completed"));
finished = true;
break;
}
result.append((const char*)pcm, sizeof(*pcm) * ret * AudioVoiceMsgChannels);
l->prev_li = li;
samplesAdded += ret;
{
QMutexLocker lock(&voicemsgsMutex);
VoiceMessages *voice = audioVoice();
if (!voice) return;
VoiceMessages::Msg &m(voice->_data[audioindex]);
if (m.audio != audio || !m.loading || m.fname != l->fname || m.data.size() != l->data.size()) {
LOG(("Audio Error: playing changed while loading"));
m.state = VoiceMessageStopped;
return loadError(j);
}
}
}
QMutexLocker lock(&voicemsgsMutex);
VoiceMessages *voice = audioVoice();
if (!voice) return;
VoiceMessages::Msg &m(voice->_data[audioindex]);
if (m.audio != audio || !m.loading || m.fname != l->fname || m.data.size() != l->data.size()) {
LOG(("Audio Error: playing changed while loading"));
m.state = VoiceMessageStopped;
return loadError(j);
}
if (started) {
if (m.source) {
alSourceStop(m.source);
for (int32 i = 0; i < 3; ++i) {
if (m.samplesCount[i]) {
alSourceUnqueueBuffers(m.source, 1, m.buffers + i);
m.samplesCount[i] = 0;
}
}
m.nextBuffer = 0;
}
}
if (samplesAdded) {
if (!m.source) {
alGenSources(1, &m.source);
alSourcef(m.source, AL_PITCH, 1.f);
alSourcef(m.source, AL_GAIN, 1.f);
alSource3f(m.source, AL_POSITION, 0, 0, 0);
alSource3f(m.source, AL_VELOCITY, 0, 0, 0);
alSourcei(m.source, AL_LOOPING, 0);
}
if (!m.buffers[m.nextBuffer]) alGenBuffers(3, m.buffers);
if (!_checkALError()) {
m.state = VoiceMessageStopped;
return loadError(j);
}
if (m.samplesCount[m.nextBuffer]) {
alSourceUnqueueBuffers(m.source, 1, m.buffers + m.nextBuffer);
m.skipStart += m.samplesCount[m.nextBuffer];
}
m.samplesCount[m.nextBuffer] = samplesAdded;
alBufferData(m.buffers[m.nextBuffer], AL_FORMAT_STEREO16, result.constData(), result.size(), AudioVoiceMsgFrequency);
alSourceQueueBuffers(m.source, 1, m.buffers + m.nextBuffer);
m.skipEnd -= samplesAdded;
m.nextBuffer = (m.nextBuffer + 1) % 3;
if (!_checkALError()) {
m.state = VoiceMessageStopped;
return loadError(j);
}
} else {
finished = true;
}
if (finished) {
m.skipEnd = 0;
m.duration = m.skipStart + m.samplesCount[0] + m.samplesCount[1] + m.samplesCount[2];
}
m.loading = false;
if (m.state == VoiceMessageResuming || m.state == VoiceMessagePlaying || m.state == VoiceMessageStarting) {
ALint state = AL_INITIAL;
alGetSourcei(m.source, AL_SOURCE_STATE, &state);
if (_checkALError()) {
if (state != AL_PLAYING) {
alSourcePlay(m.source);
emit needToCheck();
}
}
}
}
