bool FVoiceDecoderOpus::Init(int32 InSampleRate, int32 InNumChannels)
{
UE_LOG(LogVoiceDecode, Display, TEXT("DecoderVersion: %s"), ANSI_TO_TCHAR(opus_get_version_string()));
SampleRate = InSampleRate;
NumChannels = InNumChannels;
FrameSize = SampleRate / 50;
int32 DecSize = 0;
int32 DecError = 0;
#if USE_UE4_MEM_ALLOC
DecSize = opus_decoder_get_size(NumChannels);
Decoder = (OpusDecoder*)FMemory::Malloc(DecSize);
DecError = opus_decoder_init(Decoder, SampleRate, NumChannels);
#else
Decoder = opus_decoder_create(SampleRate, NumChannels, &DecError);
#endif
if (DecError != OPUS_OK)
{
UE_LOG(LogVoiceDecode, Warning, TEXT("Failed to init Opus Decoder: %s"), ANSI_TO_TCHAR(opus_strerror(DecError)));
Destroy();
}
return DecError == OPUS_OK;
}
int main(int _argc, char **_argv)
{
const char * oversion;
const char * env_seed;
int env_used;
if(_argc>2)
{
fprintf(stderr,"Usage: %s [<seed>]\n",_argv[0]);
return 1;
}
env_used=0;
env_seed=getenv("SEED");
if(_argc>1)iseed=atoi(_argv[1]);
else if(env_seed)
{
iseed=atoi(env_seed);
env_used=1;
}
else iseed=(opus_uint32)time(NULL)^((getpid()&65535)<<16);
Rw=Rz=iseed;
oversion=opus_get_version_string();
if(!oversion)test_failed();
fprintf(stderr,"Testing %s decoder. Random seed: %u (%.4X)\n", oversion, iseed, fast_rand() % 65535);
if(env_used)fprintf(stderr," Random seed set from the environment (SEED=%s).\n", env_seed);
/*Setting TEST_OPUS_NOFUZZ tells the tool not to send garbage data
into the decoders. This is helpful because garbage data
may cause the decoders to clip, which angers CLANG IOC.*/
test_decoder_code0(getenv("TEST_OPUS_NOFUZZ")!=NULL);
return 0;
}
void OggOpusFile::WriteHeader()
{
/*The Identification Header is 19 bytes, plus a Channel Mapping Table for
mapping families other than 0. The Channel Mapping Table is 2 bytes +
1 byte per channel. Because the maximum number of channels is 255, the
maximum size of this header is 19 + 2 + 255 = 276 bytes.*/
unsigned char header_data[276];
const char *opus_version;
opus_version=opus_get_version_string();
comment_init(&inopt.comments, &inopt.comments_length, opus_version);
// snprintf(ENCODER_string, sizeof(ENCODER_string), "opusenc from %s %s",PACKAGE_NAME,"1.5");
CStdString encode_string;
encode_string.Format("opusenc from %s 1.5", PACKAGE_NAME);
strcpy(ENCODER_string, encode_string.c_str());
comment_add(&inopt.comments, &inopt.comments_length, "ENCODER", ENCODER_string);
int packet_size=opus_header_to_packet(&header, header_data, sizeof(header_data));
op.packet=header_data;
op.bytes=packet_size;
op.b_o_s=1;
op.e_o_s=0;
op.granulepos=0;
op.packetno=0;
ogg_stream_packetin(&os, &op);
while((ret=ogg_stream_flush(&os, &og))){
if(!ret)break;
ret=oe_write_page(&og);
if(ret!=og.header_len+og.body_len){
fprintf(stderr,"Error: failed writing header to output stream\n");
exit(1);
}
bytes_written+=ret;
pages_out++;
}
comment_pad(&inopt.comments, &inopt.comments_length, comment_padding);
op.packet=(unsigned char *)inopt.comments;
op.bytes=inopt.comments_length;
op.b_o_s=0;
op.e_o_s=0;
op.granulepos=0;
op.packetno=1;
ogg_stream_packetin(&os, &op);
/* writing the rest of the Opus header packets */
while((ret=ogg_stream_flush(&os, &og))){
if(!ret)break;
ret=oe_write_page(&og);
if(ret!=og.header_len + og.body_len){
fprintf(stderr,"Error: failed writing header to output stream\n");
exit(1);
}
bytes_written+=ret;
pages_out++;
}
}
/*****************************************************************************
* ProcessHeaders: process Opus headers.
*****************************************************************************/
static int ProcessHeaders( decoder_t *p_dec )
{
ogg_packet oggpacket;
unsigned pi_size[XIPH_MAX_HEADER_COUNT];
void *pp_data[XIPH_MAX_HEADER_COUNT];
unsigned i_count;
int i_extra = p_dec->fmt_in.i_extra;
uint8_t *p_extra = p_dec->fmt_in.p_extra;
/* If we have no header (e.g. from RTP), make one. */
bool b_dummy_header = false;
if( !i_extra )
{
OpusHeader header;
opus_prepare_header( p_dec->fmt_in.audio.i_channels,
p_dec->fmt_in.audio.i_rate, &header );
if( opus_write_header( &p_extra, &i_extra, &header,
opus_get_version_string() ) )
return VLC_ENOMEM;
b_dummy_header = true;
}
if( xiph_SplitHeaders( pi_size, pp_data, &i_count,
i_extra, p_extra ) )
{
if( b_dummy_header )
free( p_extra );
return VLC_EGENERIC;
}
if( i_count < 2 )
{
if( b_dummy_header )
free( p_extra );
return VLC_EGENERIC;
}
oggpacket.granulepos = -1;
oggpacket.e_o_s = 0;
oggpacket.packetno = 0;
/* Take care of the initial Opus header */
oggpacket.b_o_s = 1; /* yes this actually is a b_o_s packet :) */
oggpacket.bytes = pi_size[0];
oggpacket.packet = pp_data[0];
int ret = ProcessInitialHeader( p_dec, &oggpacket );
if (ret != VLC_SUCCESS)
msg_Err( p_dec, "initial Opus header is corrupted" );
if( b_dummy_header )
free( p_extra );
return ret;
}
OpusPluginEncoder(const PluginCodec_Definition * defn)
: OpusPluginCodec(defn)
, m_encoder(NULL)
, m_dynamicPacketLoss(0)
, m_useDTX(false)
, m_bitRate(12000)
{
PTRACE(4, MY_CODEC_LOG, "Encoder created: $Revision$, version \"" << opus_get_version_string() << '"');
}
int opus_enc_init(opus_enc *opus)
{
int err;
err = 0;
opus->header = (OpusHeader *)calloc(1, sizeof(OpusHeader));
opus->header_data = (unsigned char *)calloc (1, 1024);
opus->tags = (unsigned char *)calloc (1, 1024);
opus->buffer = (unsigned char *)calloc (1, 4 * 4096);
srand(time(NULL));
ogg_stream_init(&opus->os, rand());
opus->header->gain = 0;
opus->header->channels = opus->channel;
if ((opus->bitrate < 8000) || (opus->bitrate > 320000)) {
opus->bitrate = DEFAULT_OPUS_BITRATE;
}
opus->header->input_sample_rate = 48000;
opus->encoder = opus_encoder_create (opus->header->input_sample_rate, opus->channel, OPUS_APPLICATION_AUDIO, &err);
opus_encoder_ctl (opus->encoder, OPUS_SET_BITRATE(opus->bitrate));
if (opus->encoder == NULL) {
printf("Opus Encoder creation error: %s\n", opus_strerror (err));
return 1;
}
opus->last_bitrate = opus->bitrate;
opus_encoder_ctl (opus->encoder, OPUS_GET_LOOKAHEAD (&opus->header->preskip));
opus->header_size = opus_header_to_packet (opus->header, opus->header_data, 100);
opus->tags_size =
8 + 4 + strlen (opus_get_version_string ()) + 4 + 4 + strlen ("ENCODER=") + strlen (VERSION);
memcpy (opus->tags, "OpusTags", 8);
opus->tags[8] = strlen (opus_get_version_string ());
memcpy (opus->tags + 12, opus_get_version_string (), strlen (opus_get_version_string ()));
opus->tags[12 + strlen (opus_get_version_string ())] = 1;
opus->tags[12 + strlen (opus_get_version_string ()) + 4] = strlen ("ENCODER=") + strlen (VERSION);
memcpy (opus->tags + 12 + strlen (opus_get_version_string ()) + 4 + 4, "ENCODER=", strlen ("ENCODER="));
memcpy (opus->tags + 12 + strlen (opus_get_version_string ()) + 4 + 4 + strlen ("ENCODER="),
VERSION,
strlen (VERSION));
//printf("Opus Encoder Created\n");
return 0;
}
int16_t WebRtcOpus_Version(char *version, int16_t lenBytes)
{
const char *opus = opus_get_version_string();
if (opus == NULL || version == NULL || lenBytes < 0) {
return -1;
}
strncpy(version, opus, lenBytes);
version[lenBytes-1] = '\0';
return 0;
}
void cmdAbout(const std::string& args) {
// TODO: replace this with a GUI window
narf::console->println("");
narf::console->println("About NarfBlock");
narf::console->println("Version: " VERSION_STR);
narf::console->println("");
narf::console->println("Authors:");
auto authors = narf::util::tokenize(VERSION_AUTHORS, '\n');
for (auto& a : authors) {
narf::console->println(a);
}
narf::console->println("");
auto credits = narf::util::tokenize(EMBED_STRING(extra_credits_txt), '\n');
for (auto& c : credits) {
narf::console->println(c);
}
narf::console->println("");
narf::console->println("Library versions:");
narf::console->println("ENet " + std::to_string(ENET_VERSION_MAJOR) + "." + std::to_string(ENET_VERSION_MINOR) + "." + std::to_string(ENET_VERSION_PATCH));
SDL_version sdl;
SDL_GetVersion(&sdl);
narf::console->println("SDL " + std::to_string(sdl.major) + "." + std::to_string(sdl.minor) + "." + std::to_string(sdl.patch));
narf::console->println("zlib " + std::string(zlibVersion()));
auto png = png_access_version_number();
auto pngMajor = png / 10000;
auto pngMinor = (png / 100) % 100;
auto pngRelease = png % 100;
narf::console->println("libpng " + std::to_string(pngMajor) + "." + std::to_string(pngMinor) + "." + std::to_string(pngRelease));
FT_Library ftlib;
FT_Init_FreeType(&ftlib);
FT_Int ftMajor, ftMinor, ftPatch;
FT_Library_Version(ftlib, &ftMajor, &ftMinor, &ftPatch);
FT_Done_FreeType(ftlib);
narf::console->println("FreeType " + std::to_string(ftMajor) + "." + std::to_string(ftMinor) + "." + std::to_string(ftPatch));
narf::console->println(opus_get_version_string());
narf::console->println("");
narf::console->println("OpenGL information:");
narf::console->println("OpenGL version " + std::string(display->glVersion));
narf::console->println("GLSL version " + std::string(display->glslVersion));
narf::console->println("GL context version " + std::to_string(display->glContextVersionMajor) + "." + std::to_string(display->glContextVersionMinor));
}
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 char *comment_init(size_t *length)
{
/*The 'vendor' field should be the actual encoding library used.*/
const char *vendor_string = opus_get_version_string();
int vendor_length = strlen(vendor_string);
int user_comment_list_length = 0;
int len = 8 + 4 + vendor_length + 4;
char *p = malloc(len);
if (p == NULL)
return NULL;
memcpy(p, "OpusTags", 8);
SetDWLE(p + 8, vendor_length);
memcpy(p + 12, vendor_string, vendor_length);
SetDWLE(p + 12 + vendor_length, user_comment_list_length);
*length = len;
return p;
}
already_AddRefed<TrackMetadataBase>
OpusTrackEncoder::GetMetadata()
{
PROFILER_LABEL("OpusTrackEncoder", "GetMetadata",
js::ProfileEntry::Category::OTHER);
{
// Wait if mEncoder is not initialized.
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
while (!mCanceled && !mInitialized) {
mReentrantMonitor.Wait();
}
}
if (mCanceled || mEncodingComplete) {
return nullptr;
}
RefPtr<OpusMetadata> meta = new OpusMetadata();
mLookahead = 0;
int error = opus_encoder_ctl(mEncoder, OPUS_GET_LOOKAHEAD(&mLookahead));
if (error != OPUS_OK) {
mLookahead = 0;
}
// The ogg time stamping and pre-skip is always timed at 48000.
SerializeOpusIdHeader(mChannels, mLookahead * (kOpusSamplingRate /
GetOutputSampleRate()), mSamplingRate,
&meta->mIdHeader);
nsCString vendor;
vendor.AppendASCII(opus_get_version_string());
nsTArray<nsCString> comments;
comments.AppendElement(NS_LITERAL_CSTRING("ENCODER=Mozilla" MOZ_APP_UA_VERSION));
SerializeOpusCommentHeader(vendor, comments,
&meta->mCommentHeader);
return meta.forget();
}
void version_short(void)
{
printf("opusdec %s %s (using %s)\n",PACKAGE,VERSION,opus_get_version_string());
printf("Copyright (C) 2008-2012 Xiph.Org Foundation\n");
}
krad_opus_t *krad_opus_encoder_create (int channels, int input_sample_rate, int bitrate, int application) {
int c;
krad_opus_t *krad_opus = calloc(1, sizeof(krad_opus_t));
krad_opus->opus_header = calloc(1, sizeof(OpusHeader));
krad_opus->input_sample_rate = input_sample_rate;
krad_opus->channels = channels;
krad_opus->bitrate = bitrate;
krad_opus->application = application;
krad_opus->complexity = DEFAULT_OPUS_COMPLEXITY;
krad_opus->signal = OPUS_AUTO;
krad_opus->frame_size = DEFAULT_OPUS_FRAME_SIZE;
krad_opus->bandwidth = OPUS_BANDWIDTH_FULLBAND;
krad_opus->new_frame_size = krad_opus->frame_size;
krad_opus->new_complexity = krad_opus->complexity;
krad_opus->new_bitrate = krad_opus->bitrate;
krad_opus->new_signal = krad_opus->signal;
krad_opus->new_bandwidth = krad_opus->bandwidth;
for (c = 0; c < krad_opus->channels; c++) {
krad_opus->ringbuf[c] = krad_ringbuffer_create (RINGBUFFER_SIZE);
krad_opus->resampled_ringbuf[c] = krad_ringbuffer_create (RINGBUFFER_SIZE);
krad_opus->samples[c] = malloc(16 * 8192);
krad_opus->resampled_samples[c] = malloc(16 * 8192);
krad_opus->src_resampler[c] = src_new (KRAD_OPUS_SRC_QUALITY, 1, &krad_opus->src_error[c]);
if (krad_opus->src_resampler[c] == NULL) {
failfast ("Krad Opus Encoder: src resampler error: %s", src_strerror (krad_opus->src_error[c]));
}
krad_opus->src_data[c].src_ratio = 48000.0 / krad_opus->input_sample_rate;
}
if (krad_opus->channels < 3) {
krad_opus->streams = 1;
if (krad_opus->channels == 2) {
krad_opus->coupled_streams = 1;
krad_opus->mapping[0] = 0;
krad_opus->mapping[1] = 1;
} else {
krad_opus->coupled_streams = 0;
krad_opus->mapping[0] = 0;
}
krad_opus->opus_header->channel_mapping = 0;
} else {
krad_opus->opus_header->channel_mapping = 1;
switch (krad_opus->channels) {
case 3:
krad_opus->streams = 2;
krad_opus->coupled_streams = 1;
krad_opus->mapping[0] = 0;
krad_opus->mapping[1] = 1;
krad_opus->mapping[2] = 2;
case 4:
krad_opus->streams = 2;
krad_opus->coupled_streams = 2;
krad_opus->mapping[0] = 0;
krad_opus->mapping[1] = 1;
krad_opus->mapping[2] = 2;
krad_opus->mapping[3] = 3;
case 5:
krad_opus->streams = 3;
krad_opus->coupled_streams = 2;
krad_opus->mapping[0] = 0;
krad_opus->mapping[1] = 4;
krad_opus->mapping[2] = 1;
krad_opus->mapping[3] = 2;
krad_opus->mapping[4] = 3;
case 6:
krad_opus->streams = 4;
krad_opus->coupled_streams = 2;
krad_opus->mapping[0] = 0;
krad_opus->mapping[1] = 4;
krad_opus->mapping[2] = 1;
krad_opus->mapping[3] = 2;
krad_opus->mapping[4] = 3;
krad_opus->mapping[5] = 5;
case 7:
krad_opus->streams = 5;
krad_opus->coupled_streams = 2;
krad_opus->mapping[0] = 0;
krad_opus->mapping[1] = 4;
krad_opus->mapping[2] = 1;
krad_opus->mapping[3] = 2;
krad_opus->mapping[4] = 3;
krad_opus->mapping[5] = 5;
krad_opus->mapping[6] = 6;
case 8:
krad_opus->streams = 5;
krad_opus->coupled_streams = 3;
krad_opus->mapping[0] = 0;
krad_opus->mapping[1] = 6;
krad_opus->mapping[2] = 1;
krad_opus->mapping[3] = 2;
krad_opus->mapping[4] = 3;
krad_opus->mapping[5] = 4;
krad_opus->mapping[6] = 5;
krad_opus->mapping[7] = 7;
}
}
krad_opus->opus_header->channels = krad_opus->channels;
krad_opus->opus_header->nb_streams = krad_opus->streams;
krad_opus->opus_header->nb_coupled = krad_opus->coupled_streams;
memcpy (krad_opus->opus_header->stream_map, krad_opus->mapping, 256);
krad_opus->encoder = opus_multistream_encoder_create (48000,
krad_opus->channels,
krad_opus->streams,
krad_opus->coupled_streams,
krad_opus->mapping,
krad_opus->application,
&krad_opus->err);
if (krad_opus->err != OPUS_OK) {
failfast ("Krad Opus Encoder: Cannot create encoder: %s", opus_strerror (krad_opus->err));
}
opus_multistream_encoder_ctl (krad_opus->encoder, OPUS_GET_LOOKAHEAD (&krad_opus->lookahead));
krad_opus->opus_header->preskip = krad_opus->lookahead;
krad_opus->opus_header->gain = 0;
krad_opus->opus_header->input_sample_rate = 48000;
if (opus_multistream_encoder_ctl (krad_opus->encoder, OPUS_SET_BITRATE (krad_opus->bitrate)) != OPUS_OK) {
failfast ("Krad Opus Encoder: bitrate request failed");
}
krad_opus->header_data_size = opus_header_to_packet (krad_opus->opus_header, krad_opus->header_data, 100);
krad_opus->krad_codec_header.codec = OPUS;
krad_opus->krad_codec_header.header[0] = krad_opus->header_data;
krad_opus->krad_codec_header.header_size[0] = krad_opus->header_data_size;
krad_opus->krad_codec_header.header_combined = krad_opus->header_data;
krad_opus->krad_codec_header.header_combined_size = krad_opus->header_data_size;
krad_opus->krad_codec_header.header_count = 2;
krad_opus->krad_codec_header.header_size[1] =
8 + 4 + strlen (opus_get_version_string ()) + 4 + 4 + strlen ("ENCODER=") + strlen (APPVERSION);
krad_opus->opustags_header = calloc (1, krad_opus->krad_codec_header.header_size[1]);
memcpy (krad_opus->opustags_header, "OpusTags", 8);
krad_opus->opustags_header[8] = strlen (opus_get_version_string ());
memcpy (krad_opus->opustags_header + 12, opus_get_version_string (), strlen (opus_get_version_string ()));
krad_opus->opustags_header[12 + strlen (opus_get_version_string ())] = 1;
krad_opus->opustags_header[12 + strlen (opus_get_version_string ()) + 4] = strlen ("ENCODER=") + strlen (APPVERSION);
memcpy (krad_opus->opustags_header + 12 + strlen (opus_get_version_string ()) + 4 + 4, "ENCODER=", strlen ("ENCODER="));
memcpy (krad_opus->opustags_header + 12 + strlen (opus_get_version_string ()) + 4 + 4 + strlen ("ENCODER="),
APPVERSION,
strlen (APPVERSION));
krad_opus->krad_codec_header.header[1] = krad_opus->opustags_header;
return krad_opus;
}
OpusPluginDecoder(const PluginCodec_Definition * defn)
: OpusPluginCodec(defn)
, m_decoder(NULL)
{
PTRACE(4, MY_CODEC_LOG, "Decoder created: $Revision$, version \"" << opus_get_version_string() << '"');
}
JNIEXPORT jstring JNICALL Java_org_echocat_jopus_OpusJNI_getVersionString
(JNIEnv *env, jclass thisClass) {
const char* versionString = opus_get_version_string();
return (*env)->NewStringUTF(env, versionString);
}
static int OpenEncoder(vlc_object_t *p_this)
{
encoder_t *enc = (encoder_t *)p_this;
if (enc->fmt_out.i_codec != VLC_CODEC_OPUS)
return VLC_EGENERIC;
encoder_sys_t *sys = malloc(sizeof(*sys));
if (!sys)
return VLC_ENOMEM;
int status = VLC_SUCCESS;
sys->buffer = NULL;
sys->enc = NULL;
enc->pf_encode_audio = Encode;
enc->fmt_in.i_codec = VLC_CODEC_FL32;
enc->fmt_in.audio.i_rate = /* Only 48kHz */
enc->fmt_out.audio.i_rate = 48000;
enc->fmt_out.audio.i_channels = enc->fmt_in.audio.i_channels;
OpusHeader header;
opus_prepare_header(enc->fmt_out.audio.i_channels,
enc->fmt_out.audio.i_rate, &header);
/* needed for max encoded size calculation */
sys->nb_streams = header.nb_streams;
int err;
sys->enc =
opus_multistream_surround_encoder_create(enc->fmt_in.audio.i_rate,
enc->fmt_in.audio.i_channels, header.channel_mapping,
&header.nb_streams, &header.nb_coupled, header.stream_map,
OPUS_APPLICATION_AUDIO, &err);
if (err != OPUS_OK)
{
msg_Err(enc, "Could not create encoder: error %d", err);
sys->enc = NULL;
status = VLC_EGENERIC;
goto error;
}
/* TODO: vbr, fec */
if( enc->fmt_out.i_bitrate )
opus_multistream_encoder_ctl(sys->enc, OPUS_SET_BITRATE( enc->fmt_out.i_bitrate ));
/* Buffer for incoming audio, since opus only accepts frame sizes that are
multiples of 2.5ms */
enc->p_sys = sys;
sys->buffer = malloc(OPUS_FRAME_SIZE * header.channels * sizeof(float));
if (!sys->buffer) {
status = VLC_ENOMEM;
goto error;
}
sys->i_nb_samples = 0;
sys->i_samples_delay = 0;
int ret = opus_multistream_encoder_ctl(enc->p_sys->enc,
OPUS_GET_LOOKAHEAD(&sys->i_samples_delay));
if (ret != OPUS_OK)
msg_Err(enc, "Unable to get number of lookahead samples: %s\n",
opus_strerror(ret));
header.preskip = sys->i_samples_delay;
/* Now that we have preskip, we can write the header to extradata */
if (opus_write_header((uint8_t **) &enc->fmt_out.p_extra,
&enc->fmt_out.i_extra, &header, opus_get_version_string()))
{
msg_Err(enc, "Failed to write header.");
status = VLC_ENOMEM;
goto error;
}
if (sys->i_samples_delay > 0)
{
const unsigned padding_samples = sys->i_samples_delay *
enc->fmt_out.audio.i_channels;
sys->padding = block_Alloc(padding_samples * sizeof(float));
if (!sys->padding) {
status = VLC_ENOMEM;
goto error;
}
sys->padding->i_nb_samples = sys->i_samples_delay;
float *pad_ptr = (float *) sys->padding->p_buffer;
memset(pad_ptr, 0, padding_samples * sizeof(float));
}
else
{
sys->padding = NULL;
}
return status;
error:
if (sys->enc)
opus_multistream_encoder_destroy(sys->enc);
free(sys->buffer);
free(sys);
return status;
}
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 initRecorder(const char *path) {
cleanupRecorder();
if (!path) {
return 0;
}
_fileOs = fopen(path, "wb");
if (!_fileOs) {
return 0;
}
inopt.rate = rate;
inopt.gain = 0;
inopt.endianness = 0;
inopt.copy_comments = 0;
inopt.rawmode = 1;
inopt.ignorelength = 1;
inopt.samplesize = 16;
inopt.channels = 1;
inopt.skip = 0;
comment_init(&inopt.comments, &inopt.comments_length, opus_get_version_string());
if (rate > 24000) {
coding_rate = 48000;
} else if (rate > 16000) {
coding_rate = 24000;
} else if (rate > 12000) {
coding_rate = 16000;
} else if (rate > 8000) {
coding_rate = 12000;
} else {
coding_rate = 8000;
}
if (rate != coding_rate) {
LOGE("Invalid rate");
return 0;
}
header.channels = 1;
header.channel_mapping = 0;
header.input_sample_rate = rate;
header.gain = inopt.gain;
header.nb_streams = 1;
int result = OPUS_OK;
_encoder = opus_encoder_create(coding_rate, 1, OPUS_APPLICATION_AUDIO, &result);
if (result != OPUS_OK) {
LOGE("Error cannot create encoder: %s", opus_strerror(result));
return 0;
}
min_bytes = max_frame_bytes = (1275 * 3 + 7) * header.nb_streams;
_packet = malloc(max_frame_bytes);
result = opus_encoder_ctl(_encoder, OPUS_SET_BITRATE(bitrate));
if (result != OPUS_OK) {
LOGE("Error OPUS_SET_BITRATE returned: %s", opus_strerror(result));
return 0;
}
#ifdef OPUS_SET_LSB_DEPTH
result = opus_encoder_ctl(_encoder, OPUS_SET_LSB_DEPTH(max(8, min(24, inopt.samplesize))));
if (result != OPUS_OK) {
LOGE("Warning OPUS_SET_LSB_DEPTH returned: %s", opus_strerror(result));
}
#endif
opus_int32 lookahead;
result = opus_encoder_ctl(_encoder, OPUS_GET_LOOKAHEAD(&lookahead));
if (result != OPUS_OK) {
LOGE("Error OPUS_GET_LOOKAHEAD returned: %s", opus_strerror(result));
return 0;
}
inopt.skip += lookahead;
header.preskip = (int)(inopt.skip * (48000.0 / coding_rate));
inopt.extraout = (int)(header.preskip * (rate / 48000.0));
if (ogg_stream_init(&os, rand()) == -1) {
LOGE("Error: stream init failed");
return 0;
}
unsigned char header_data[100];
int packet_size = opus_header_to_packet(&header, header_data, 100);
op.packet = header_data;
op.bytes = packet_size;
op.b_o_s = 1;
op.e_o_s = 0;
op.granulepos = 0;
op.packetno = 0;
ogg_stream_packetin(&os, &op);
while ((result = ogg_stream_flush(&os, &og))) {
if (!result) {
break;
}
int pageBytesWritten = writeOggPage(&og, _fileOs);
if (pageBytesWritten != og.header_len + og.body_len) {
LOGE("Error: failed writing header to output stream");
return 0;
}
bytes_written += pageBytesWritten;
pages_out++;
}
comment_pad(&inopt.comments, &inopt.comments_length, comment_padding);
op.packet = (unsigned char *)inopt.comments;
op.bytes = inopt.comments_length;
op.b_o_s = 0;
op.e_o_s = 0;
op.granulepos = 0;
op.packetno = 1;
ogg_stream_packetin(&os, &op);
while ((result = ogg_stream_flush(&os, &og))) {
if (result == 0) {
break;
}
int writtenPageBytes = writeOggPage(&og, _fileOs);
if (writtenPageBytes != og.header_len + og.body_len) {
LOGE("Error: failed writing header to output stream");
return 0;
}
bytes_written += writtenPageBytes;
pages_out++;
}
free(inopt.comments);
return 1;
}
int opusEncoder(int argc, char **argv)
{
static const input_format raw_format = {NULL, 0, raw_open, wav_close, "raw",N_("RAW file reader")};
int option_index=0;
struct option long_options[] =
{
{"quiet", no_argument, NULL, 0},
{"bitrate", required_argument, NULL, 0},
{"hard-cbr",no_argument,NULL, 0},
{"vbr",no_argument,NULL, 0},
{"cvbr",no_argument,NULL, 0},
{"comp", required_argument, NULL, 0},
{"complexity", required_argument, NULL, 0},
{"framesize", required_argument, NULL, 0},
{"expect-loss", required_argument, NULL, 0},
{"downmix-mono",no_argument,NULL, 0},
{"downmix-stereo",no_argument,NULL, 0},
{"no-downmix",no_argument,NULL, 0},
{"max-delay", required_argument, NULL, 0},
{"serial", required_argument, NULL, 0},
{"save-range", required_argument, NULL, 0},
{"set-ctl-int", required_argument, NULL, 0},
{"help", no_argument, NULL, 0},
{"raw", no_argument, NULL, 0},
{"raw-bits", required_argument, NULL, 0},
{"raw-rate", required_argument, NULL, 0},
{"raw-chan", required_argument, NULL, 0},
{"raw-endianness", required_argument, NULL, 0},
{"ignorelength", no_argument, NULL, 0},
{"rate", required_argument, NULL, 0},
{"version", no_argument, NULL, 0},
{"version-short", no_argument, NULL, 0},
{"comment", required_argument, NULL, 0},
{"artist", required_argument, NULL, 0},
{"title", required_argument, NULL, 0},
{"album", required_argument, NULL, 0},
{"date", required_argument, NULL, 0},
{"genre", required_argument, NULL, 0},
{"picture", required_argument, NULL, 0},
{"padding", required_argument, NULL, 0},
{"discard-comments", no_argument, NULL, 0},
{"discard-pictures", no_argument, NULL, 0},
{0, 0, 0, 0}
};
int i, ret;
int cline_size;
OpusMSEncoder *st;
const char *opus_version;
unsigned char *packet;
float *input;
/*I/O*/
oe_enc_opt inopt;
const input_format *in_format;
char *inFile;
char *outFile;
char *range_file;
FILE *fin;
FILE *fout;
FILE *frange;
ogg_stream_state os;
ogg_page og;
ogg_packet op;
ogg_int64_t last_granulepos=0;
ogg_int64_t enc_granulepos=0;
ogg_int64_t original_samples=0;
ogg_int32_t id=-1;
int last_segments=0;
int eos=0;
OpusHeader header;
char ENCODER_string[1024];
/*Counters*/
opus_int64 nb_encoded=0;
opus_int64 bytes_written=0;
opus_int64 pages_out=0;
opus_int64 total_bytes=0;
opus_int64 total_samples=0;
opus_int32 nbBytes;
opus_int32 nb_samples;
opus_int32 peak_bytes=0;
opus_int32 min_bytes;
time_t start_time;
time_t stop_time;
time_t last_spin=0;
int last_spin_len=0;
/*Settings*/
int quiet=0;
int max_frame_bytes;
opus_int32 bitrate=-1;
opus_int32 rate=48000;
opus_int32 coding_rate=48000;
opus_int32 frame_size=960;
int chan=2;
int with_hard_cbr=0;
int with_cvbr=0;
int expect_loss=0;
int complexity=10;
int downmix=0;
int *opt_ctls_ctlval;
int opt_ctls=0;
int max_ogg_delay=48000; /*48kHz samples*/
int seen_file_icons=0;
int comment_padding=512;
int serialno;
opus_int32 lookahead=0;
#ifdef WIN_UNICODE
int argc_utf8;
char **argv_utf8;
#endif
if(query_cpu_support()){
fprintf(stderr,"\n\n** WARNING: This program was compiled with SSE%s\n",query_cpu_support()>1?"2":"");
fprintf(stderr," but this CPU claims to lack these instructions. **\n\n");
}
#ifdef WIN_UNICODE
(void)argc;
(void)argv;
init_commandline_arguments_utf8(&argc_utf8, &argv_utf8);
#endif
opt_ctls_ctlval=NULL;
frange=NULL;
range_file=NULL;
in_format=NULL;
inopt.channels=chan;
inopt.rate=coding_rate=rate;
/* 0 dB gain is recommended unless you know what you're doing */
inopt.gain=0;
inopt.samplesize=16;
inopt.endianness=0;
inopt.rawmode=0;
inopt.ignorelength=0;
inopt.copy_comments=1;
inopt.copy_pictures=1;
start_time = time(NULL);
srand(((getpid()&65535)<<15)^start_time);
serialno=rand();
opus_version=opus_get_version_string();
/*Vendor string should just be the encoder library,
the ENCODER comment specifies the tool used.*/
comment_init(&inopt.comments, &inopt.comments_length, opus_version);
// snprintf(ENCODER_string, sizeof(ENCODER_string), "opusenc from %s %s",PACKAGE_NAME,PACKAGE_VERSION);
comment_add(&inopt.comments, &inopt.comments_length, "ENCODER", ENCODER_string);
/*Process command-line options*/
cline_size=0;
while(1){
int c;
int save_cmd=1;
c=getopt_long(argc_utf8, argv_utf8, "hV",
long_options, &option_index);
if(c==-1)
break;
switch(c){
case 0:
if(strcmp(long_options[option_index].name,"quiet")==0){
quiet=1;
}else if(strcmp(long_options[option_index].name,"bitrate")==0){
bitrate=atof(optarg)*1000.;
}else if(strcmp(long_options[option_index].name,"hard-cbr")==0){
with_hard_cbr=1;
with_cvbr=0;
}else if(strcmp(long_options[option_index].name,"cvbr")==0){
with_cvbr=1;
with_hard_cbr=0;
}else if(strcmp(long_options[option_index].name,"vbr")==0){
with_cvbr=0;
with_hard_cbr=0;
}else if(strcmp(long_options[option_index].name,"help")==0){
usage();
return 0;//exit(0);
}else if(strcmp(long_options[option_index].name,"version")==0){
opustoolsversion(opus_version);
return 0;//exit(0);
}else if(strcmp(long_options[option_index].name,"version-short")==0){
opustoolsversion_short(opus_version);
return 0;//exit(0);
}else if(strcmp(long_options[option_index].name,"ignorelength")==0){
inopt.ignorelength=1;
}else if(strcmp(long_options[option_index].name,"raw")==0){
inopt.rawmode=1;
save_cmd=0;
}else if(strcmp(long_options[option_index].name,"raw-bits")==0){
inopt.rawmode=1;
inopt.samplesize=atoi(optarg);
save_cmd=0;
if(inopt.samplesize!=8&&inopt.samplesize!=16&&inopt.samplesize!=24){
fprintf(stderr,"Invalid bit-depth: %s\n",optarg);
fprintf(stderr,"--raw-bits must be one of 8,16, or 24\n");
return 0;//exit(1);
}
}else if(strcmp(long_options[option_index].name,"raw-rate")==0){
inopt.rawmode=1;
inopt.rate=atoi(optarg);
save_cmd=0;
}else if(strcmp(long_options[option_index].name,"raw-chan")==0){
inopt.rawmode=1;
inopt.channels=atoi(optarg);
save_cmd=0;
}else if(strcmp(long_options[option_index].name,"raw-endianness")==0){
inopt.rawmode=1;
inopt.endianness=atoi(optarg);
save_cmd=0;
}else if(strcmp(long_options[option_index].name,"downmix-mono")==0){
downmix=1;
}else if(strcmp(long_options[option_index].name,"downmix-stereo")==0){
downmix=2;
}else if(strcmp(long_options[option_index].name,"no-downmix")==0){
downmix=-1;
}else if(strcmp(long_options[option_index].name,"expect-loss")==0){
expect_loss=atoi(optarg);
if(expect_loss>100||expect_loss<0){
fprintf(stderr,"Invalid expect-loss: %s\n",optarg);
fprintf(stderr,"Expected loss is a percent and must be 0-100.\n");
return 0;//exit(1);
}
}else if(strcmp(long_options[option_index].name,"comp")==0 ||
strcmp(long_options[option_index].name,"complexity")==0){
complexity=atoi(optarg);
if(complexity>10||complexity<0){
fprintf(stderr,"Invalid complexity: %s\n",optarg);
fprintf(stderr,"Complexity must be 0-10.\n");
return 0;//exit(1);
}
}else if(strcmp(long_options[option_index].name,"framesize")==0){
if(strcmp(optarg,"2.5")==0)frame_size=120;
else if(strcmp(optarg,"5")==0)frame_size=240;
else if(strcmp(optarg,"10")==0)frame_size=480;
else if(strcmp(optarg,"20")==0)frame_size=960;
else if(strcmp(optarg,"40")==0)frame_size=1920;
else if(strcmp(optarg,"60")==0)frame_size=2880;
else{
fprintf(stderr,"Invalid framesize: %s\n",optarg);
fprintf(stderr,"Framesize must be 2.5, 5, 10, 20, 40, or 60.\n");
return 0;//exit(1);
}
}else if(strcmp(long_options[option_index].name,"max-delay")==0){
max_ogg_delay=floor(atof(optarg)*48.);
if(max_ogg_delay<0||max_ogg_delay>48000){
fprintf(stderr,"Invalid max-delay: %s\n",optarg);
fprintf(stderr,"max-delay 0-1000 ms.\n");
return 0;//exit(1);
}
}else if(strcmp(long_options[option_index].name,"serial")==0){
serialno=atoi(optarg);
}else if(strcmp(long_options[option_index].name,"set-ctl-int")==0){
int len=strlen(optarg),target;
char *spos,*tpos;
spos=strchr(optarg,'=');
if(len<3||spos==NULL||(spos-optarg)<1||(spos-optarg)>=len){
fprintf(stderr, "Invalid set-ctl-int: %s\n", optarg);
fprintf(stderr, "Syntax is --set-ctl-int intX=intY or\n");
fprintf(stderr, "Syntax is --set-ctl-int intS:intX=intY\n");
return 0;//exit(1);
}
tpos=strchr(optarg,':');
if(tpos==NULL){
target=-1;
tpos=optarg-1;
}else target=atoi(optarg);
if((atoi(tpos+1)&1)!=0){
fprintf(stderr, "Invalid set-ctl-int: %s\n", optarg);
fprintf(stderr, "libopus set CTL values are even.\n");
return 0;//exit(1);
}
if(opt_ctls==0)opt_ctls_ctlval=malloc(sizeof(int)*3);
else opt_ctls_ctlval=realloc(opt_ctls_ctlval,sizeof(int)*(opt_ctls+1)*3);
opt_ctls_ctlval[opt_ctls*3]=target;
opt_ctls_ctlval[opt_ctls*3+1]=atoi(tpos+1);
opt_ctls_ctlval[opt_ctls*3+2]=atoi(spos+1);
opt_ctls++;
}else if(strcmp(long_options[option_index].name,"save-range")==0){
frange=fopen_utf8(optarg,"w");
save_cmd=0;
if(frange==NULL){
perror(optarg);
fprintf(stderr,"Could not open save-range file: %s\n",optarg);
fprintf(stderr,"Must provide a writable file name.\n");
return 0;//exit(1);
}
range_file=optarg;
}else if(strcmp(long_options[option_index].name,"comment")==0){
save_cmd=0;
if(!strchr(optarg,'=')){
fprintf(stderr, "Invalid comment: %s\n", optarg);
fprintf(stderr, "Comments must be of the form name=value\n");
return 0;//exit(1);
}
comment_add(&inopt.comments, &inopt.comments_length, NULL, optarg);
}else if(strcmp(long_options[option_index].name,"artist")==0){
save_cmd=0;
comment_add(&inopt.comments, &inopt.comments_length, "artist", optarg);
} else if(strcmp(long_options[option_index].name,"title")==0){
save_cmd=0;
comment_add(&inopt.comments, &inopt.comments_length, "title", optarg);
} else if(strcmp(long_options[option_index].name,"album")==0){
save_cmd=0;
comment_add(&inopt.comments, &inopt.comments_length, "album", optarg);
} else if(strcmp(long_options[option_index].name,"date")==0){
save_cmd=0;
comment_add(&inopt.comments, &inopt.comments_length, "date", optarg);
} else if(strcmp(long_options[option_index].name,"genre")==0){
save_cmd=0;
comment_add(&inopt.comments, &inopt.comments_length, "genre", optarg);
} else if(strcmp(long_options[option_index].name,"picture")==0){
const char *error_message;
char *picture_data;
save_cmd=0;
picture_data=parse_picture_specification(optarg,&error_message,
&seen_file_icons);
if(picture_data==NULL){
fprintf(stderr,"Error parsing picture option: %s\n",error_message);
return 0;//exit(1);
}
comment_add(&inopt.comments,&inopt.comments_length,
"METADATA_BLOCK_PICTURE",picture_data);
free(picture_data);
} else if(strcmp(long_options[option_index].name,"padding")==0){
comment_padding=atoi(optarg);
} else if(strcmp(long_options[option_index].name,"discard-comments")==0){
inopt.copy_comments=0;
inopt.copy_pictures=0;
} else if(strcmp(long_options[option_index].name,"discard-pictures")==0){
inopt.copy_pictures=0;
}
/*Commands whos arguments would leak file paths or just end up as metadata
should have save_cmd=0; to prevent them from being saved in the
command-line tag.*/
break;
case 'h':
usage();
return 0;//exit(0);
break;
case 'V':
opustoolsversion(opus_version);
return 0;//exit(0);
break;
case '?':
usage();
return 0;//exit(1);
break;
}
if(save_cmd && cline_size<(int)sizeof(ENCODER_string)){
ret=snprintf(&ENCODER_string[cline_size], sizeof(ENCODER_string)-cline_size, "%s--%s",cline_size==0?"":" ",long_options[option_index].name);
if(ret<0||ret>=((int)sizeof(ENCODER_string)-cline_size)){
cline_size=sizeof(ENCODER_string);
} else {
cline_size+=ret;
if(optarg){
ret=snprintf(&ENCODER_string[cline_size], sizeof(ENCODER_string)-cline_size, " %s",optarg);
if(ret<0||ret>=((int)sizeof(ENCODER_string)-cline_size)){
cline_size=sizeof(ENCODER_string);
} else {
cline_size+=ret;
}
}
}
}
}
if(argc_utf8-optind!=2){
usage();
return 0;//exit(1);
}
inFile=argv_utf8[optind];
outFile=argv_utf8[optind+1];
if(cline_size>0)comment_add(&inopt.comments, &inopt.comments_length, "ENCODER_OPTIONS", ENCODER_string);
if(strcmp(inFile, "-")==0){
#if defined WIN32 || defined _WIN32
_setmode(_fileno(stdin), _O_BINARY);
#elif defined OS2
_fsetmode(stdin,"b");
#endif
fin=stdin;
}else{
fin=fopen_utf8(inFile, "rb");
if(!fin){
perror(inFile);
return 0;//exit(1);
}
}
if(inopt.rawmode){
in_format = &raw_format;
in_format->open_func(fin, &inopt, NULL, 0);
}else in_format=open_audio_file(fin,&inopt);
if(!in_format){
fprintf(stderr,"Error parsing input file: %s\n",inFile);
return 0;//exit(1);
}
if(downmix==0&&inopt.channels>2&&bitrate>0&&bitrate<(16000*inopt.channels)){
if(!quiet)fprintf(stderr,"Notice: Surround bitrate less than 16kbit/sec/channel, downmixing.\n");
downmix=inopt.channels>8?1:2;
}
if(downmix>0&&downmix<inopt.channels)downmix=setup_downmix(&inopt,downmix);
else downmix=0;
rate=inopt.rate;
chan=inopt.channels;
inopt.skip=0;
/*In order to code the complete length we'll need to do a little padding*/
setup_padder(&inopt,&original_samples);
if(rate>24000)coding_rate=48000;
else if(rate>16000)coding_rate=24000;
else if(rate>12000)coding_rate=16000;
else if(rate>8000)coding_rate=12000;
else coding_rate=8000;
frame_size=frame_size/(48000/coding_rate);
/*Scale the resampler complexity, but only for 48000 output because
the near-cutoff behavior matters a lot more at lower rates.*/
//if(rate!=coding_rate)setup_resample(&inopt,coding_rate==48000?(complexity+1)/2:5,coding_rate);
if(rate!=coding_rate&&complexity!=10&&!quiet){
fprintf(stderr,"Notice: Using resampling with complexity<10.\n");
fprintf(stderr,"Opusenc is fastest with 48, 24, 16, 12, or 8kHz input.\n\n");
}
/*OggOpus headers*/ /*FIXME: broke forcemono*/
header.channels=chan;
header.channel_mapping=header.channels>8?255:chan>2;
header.input_sample_rate=rate;
header.gain=inopt.gain;
/*Initialize OPUS encoder*/
/*Framesizes <10ms can only use the MDCT modes, so we switch on RESTRICTED_LOWDELAY
to save the extra 2.5ms of codec lookahead when we'll be using only small frames.*/
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));
return 0;//exit(1);
}
min_bytes=max_frame_bytes=(1275*3+7)*header.nb_streams;
packet=malloc(sizeof(unsigned char)*max_frame_bytes);
if(packet==NULL){
fprintf(stderr,"Error allocating packet buffer.\n");
return 0;//exit(1);
}
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;
}
static void
ogg_init ()
{
int serialno;
struct OpusHeadPacket headpacket;
struct OpusCommentsPacket *commentspacket;
size_t commentspacket_len;
serialno = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG, 0x7FFFFFFF);
/*Initialize Ogg stream struct*/
if (-1 == ogg_stream_init (&os, serialno))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("ogg_stream_init() failed.\n"));
exit (3);
}
packet_id = 0;
/*Write header*/
{
ogg_packet op;
ogg_page og;
const char *opusver;
int vendor_length;
memcpy (headpacket.magic, "OpusHead", 8);
headpacket.version = 1;
headpacket.channels = CHANNELS;
headpacket.preskip = GNUNET_htole16 (0);
headpacket.sampling_rate = GNUNET_htole32 (SAMPLING_RATE);
headpacket.gain = GNUNET_htole16 (0);
headpacket.channel_mapping = 0; /* Mono or stereo */
op.packet = (unsigned char *) &headpacket;
op.bytes = sizeof (headpacket);
op.b_o_s = 1;
op.e_o_s = 0;
op.granulepos = 0;
op.packetno = packet_id++;
ogg_stream_packetin (&os, &op);
/* Head packet must be alone on its page */
while (ogg_stream_flush (&os, &og))
{
write_page (&og);
}
commentspacket_len = sizeof (*commentspacket);
opusver = opus_get_version_string ();
vendor_length = strlen (opusver);
commentspacket_len += vendor_length;
commentspacket_len += sizeof (uint32_t);
commentspacket = (struct OpusCommentsPacket *) malloc (commentspacket_len);
if (NULL == commentspacket)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Failed to allocate %d bytes for second packet\n"),
commentspacket_len);
exit (5);
}
memcpy (commentspacket->magic, "OpusTags", 8);
commentspacket->vendor_length = GNUNET_htole32 (vendor_length);
memcpy (&commentspacket[1], opusver, vendor_length);
*(uint32_t *) &((char *) &commentspacket[1])[vendor_length] = \
GNUNET_htole32 (0); /* no tags */
op.packet = (unsigned char *) commentspacket;
op.bytes = commentspacket_len;
op.b_o_s = 0;
op.e_o_s = 0;
op.granulepos = 0;
op.packetno = packet_id++;
ogg_stream_packetin (&os, &op);
/* Comment packets must not be mixed with audio packets on their pages */
while (ogg_stream_flush (&os, &og))
{
write_page (&og);
}
free (commentspacket);
}
}