bool SoundFileWriterFlac::open(const std::string& filename, unsigned int sampleRate, unsigned int channelCount) { // Create the encoder m_encoder = FLAC__stream_encoder_new(); if (!m_encoder) { err() << "Failed to write flac file \"" << filename << "\" (failed to allocate encoder)" << std::endl; return false; } // Setup the encoder FLAC__stream_encoder_set_channels(m_encoder, channelCount); FLAC__stream_encoder_set_bits_per_sample(m_encoder, 16); FLAC__stream_encoder_set_sample_rate(m_encoder, sampleRate); // Initialize the output stream if (FLAC__stream_encoder_init_file(m_encoder, filename.c_str(), NULL, NULL) != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { err() << "Failed to write flac file \"" << filename << "\" (failed to open the file)" << std::endl; close(); return false; } // Store the channel count m_channelCount = channelCount; return true; }
virtual void SetFormat(const Encoder::Settings &settings) { FinishStream(); ASSERT(!inited && !started); formatInfo = enc.GetTraits().formats[settings.Format]; ASSERT(formatInfo.Sampleformat.IsValid()); ASSERT(formatInfo.Samplerate > 0); ASSERT(formatInfo.Channels > 0); writeTags = settings.Tags; encoder = FLAC__stream_encoder_new(); FLAC__stream_encoder_set_channels(encoder, formatInfo.Channels); FLAC__stream_encoder_set_bits_per_sample(encoder, formatInfo.Sampleformat.GetBitsPerSample()); FLAC__stream_encoder_set_sample_rate(encoder, formatInfo.Samplerate); int compressionLevel = StreamEncoderSettings::Instance().FLACCompressionLevel; FLAC__stream_encoder_set_compression_level(encoder, compressionLevel); inited = true; ASSERT(inited && !started); }
OMX_ERRORTYPE SoftFlacEncoder::configureEncoder() { ALOGV("SoftFlacEncoder::configureEncoder() numChannel=%d, sampleRate=%d", mNumChannels, mSampleRate); if (mSignalledError || (mFlacStreamEncoder == NULL)) { ALOGE("can't configure encoder: no encoder or invalid state"); return OMX_ErrorInvalidState; } FLAC__bool ok = true; ok = ok && FLAC__stream_encoder_set_channels(mFlacStreamEncoder, mNumChannels); ok = ok && FLAC__stream_encoder_set_sample_rate(mFlacStreamEncoder, mSampleRate); ok = ok && FLAC__stream_encoder_set_bits_per_sample(mFlacStreamEncoder, 16); ok = ok && FLAC__stream_encoder_set_compression_level(mFlacStreamEncoder, (unsigned)mCompressionLevel); ok = ok && FLAC__stream_encoder_set_verify(mFlacStreamEncoder, false); if (!ok) { goto return_result; } ok &= FLAC__STREAM_ENCODER_INIT_STATUS_OK == FLAC__stream_encoder_init_stream(mFlacStreamEncoder, flacEncoderWriteCallback /*write_callback*/, NULL /*seek_callback*/, NULL /*tell_callback*/, NULL /*metadata_callback*/, (void *) this /*client_data*/); return_result: if (ok) { ALOGV("encoder successfully configured"); return OMX_ErrorNone; } else { ALOGE("unknown error when configuring encoder"); return OMX_ErrorUndefined; } }
static bool flac_encoder_setup(struct flac_encoder *encoder, unsigned bits_per_sample, GError **error) { if ( !FLAC__stream_encoder_set_compression_level(encoder->fse, encoder->compression)) { g_set_error(error, flac_encoder_quark(), 0, "error setting flac compression to %d", encoder->compression); return false; } if ( !FLAC__stream_encoder_set_channels(encoder->fse, encoder->audio_format.channels)) { g_set_error(error, flac_encoder_quark(), 0, "error setting flac channels num to %d", encoder->audio_format.channels); return false; } if ( !FLAC__stream_encoder_set_bits_per_sample(encoder->fse, bits_per_sample)) { g_set_error(error, flac_encoder_quark(), 0, "error setting flac bit format to %d", bits_per_sample); return false; } if ( !FLAC__stream_encoder_set_sample_rate(encoder->fse, encoder->audio_format.sample_rate)) { g_set_error(error, flac_encoder_quark(), 0, "error setting flac sample rate to %d", encoder->audio_format.sample_rate); return false; } return true; }
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_bits_per_sample(OggFLAC__SeekableStreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_bits_per_sample(encoder->private_->FLAC_stream_encoder, value); }
void FlacAudioEncoder::setup(AudioEncoderProfile::SharedPtr profile, AudioMetaData::SharedPtr metadata, uint32_t data_size) { _profile = profile; // allocate the encoder _encoder = FLAC__stream_encoder_new(); if (_encoder == nullptr) { THROW_EXCEPTION(AudioEncoderException, "ERROR: allocating encoder"); return; } if (not FLAC__stream_encoder_set_channels(_encoder, profile->channels())) { THROW_EXCEPTION(AudioEncoderException, "ERROR: could not set channel count"); return; } if (not FLAC__stream_encoder_set_sample_rate(_encoder, profile->sample_rate())) { THROW_EXCEPTION(AudioEncoderException, "ERROR: could not set sample rate"); return; } if (not FLAC__stream_encoder_set_bits_per_sample(_encoder, profile->bits_per_sample())) { THROW_EXCEPTION(AudioEncoderException, "ERROR: could not set sample width"); return; } if (not FLAC__stream_encoder_set_compression_level(_encoder, profile->quality_level())) { THROW_EXCEPTION(AudioEncoderException, "ERROR: could not set compression level"); return; } FLAC__stream_encoder_set_verify(_encoder, true); //FLAC__stream_encoder_set_total_samples_estimate(encoder, total_samples); set_tags(metadata); FLAC__StreamEncoderInitStatus init_status = FLAC__stream_encoder_init_stream(_encoder, write_callback, seek_callback, tell_callback, nullptr, this); if (init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { THROW_EXCEPTION(AudioEncoderException, "ERROR: could not initialize FLAC encoder"); } }
int flac_enc_init(flac_enc *flac) { FLAC__bool ok = true; if((flac->encoder = FLAC__stream_encoder_new()) == NULL) { printf("%s", _("ERROR: allocating encoder\n")); return 1; } ok &= FLAC__stream_encoder_set_verify(flac->encoder, false); ok &= FLAC__stream_encoder_set_compression_level(flac->encoder, 5); ok &= FLAC__stream_encoder_set_channels(flac->encoder, flac->channel); ok &= FLAC__stream_encoder_set_bits_per_sample(flac->encoder, 16); ok &= FLAC__stream_encoder_set_sample_rate(flac->encoder, flac->samplerate); ok &= FLAC__stream_encoder_set_total_samples_estimate(flac->encoder, 0); return ok == true ? 0 : 1; }
static void metadata_cb(const FLAC__StreamDecoder *, const FLAC__StreamMetadata *metadata, void *client_data) { FLACClientData &client = *static_cast<FLACClientData *>(client_data); if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO && metadata->data.stream_info.total_samples != 0) { if(!sampleRate) sampleRate = metadata->data.stream_info.sample_rate; client.channels = metadata->data.stream_info.channels; if(!FLAC__format_sample_rate_is_subset(sampleRate)) { // FLAC only supports 10 Hz granularity for frequencies above 65535 Hz if the streamable subset is chosen. FLAC__stream_encoder_set_streamable_subset(client.encoder, false); } FLAC__stream_encoder_set_channels(client.encoder, client.channels); FLAC__stream_encoder_set_bits_per_sample(client.encoder, metadata->data.stream_info.bits_per_sample); FLAC__stream_encoder_set_sample_rate(client.encoder, sampleRate <= FLAC__MAX_SAMPLE_RATE ? sampleRate : FLAC__MAX_SAMPLE_RATE); FLAC__stream_encoder_set_total_samples_estimate(client.encoder, metadata->data.stream_info.total_samples); FLAC__stream_encoder_set_compression_level(client.encoder, 8); } else if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { for(FLAC__uint32 i = 0; i < metadata->data.vorbis_comment.num_comments; i++) { const char *tag = reinterpret_cast<const char *>(metadata->data.vorbis_comment.comments[i].entry); const FLAC__uint32 length = metadata->data.vorbis_comment.comments[i].length; if(length > 11 && !_strnicmp(tag, "SAMPLERATE=", 11)) { sampleRate = atoi(tag + 11); } } client.metadata.push_back(FLAC__metadata_object_clone(metadata)); } else { client.metadata.push_back(FLAC__metadata_object_clone(metadata)); } }
bool Start(void *ctx, int iInChannels, int iInRate, int iInBits, const char* title, const char* artist, const char* albumartist, const char* album, const char* year, const char* track, const char* genre, const char* comment, int iTrackLength) { flac_context *context = (flac_context *)ctx; if (!context || !context->encoder) return false; // we accept only 2 / 44100 / 16 atm if (iInChannels != 2 || iInRate != 44100 || iInBits != 16) return false; FLAC__bool ok = 1; ok &= FLAC__stream_encoder_set_verify(context->encoder, true); ok &= FLAC__stream_encoder_set_channels(context->encoder, iInChannels); ok &= FLAC__stream_encoder_set_bits_per_sample(context->encoder, iInBits); ok &= FLAC__stream_encoder_set_sample_rate(context->encoder, iInRate); ok &= FLAC__stream_encoder_set_total_samples_estimate(context->encoder, iTrackLength / 4); ok &= FLAC__stream_encoder_set_compression_level(context->encoder, level); // now add some metadata FLAC__StreamMetadata_VorbisComment_Entry entry; if (ok) { if ( (context->metadata[0] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)) == NULL || (context->metadata[1] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING)) == NULL || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "ARTIST", artist) || !FLAC__metadata_object_vorbiscomment_append_comment(context->metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "ALBUM", album) || !FLAC__metadata_object_vorbiscomment_append_comment(context->metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "ALBUMARTIST", albumartist) || !FLAC__metadata_object_vorbiscomment_append_comment(context->metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "TITLE", title) || !FLAC__metadata_object_vorbiscomment_append_comment(context->metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "GENRE", genre) || !FLAC__metadata_object_vorbiscomment_append_comment(context->metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "TRACKNUMBER", track) || !FLAC__metadata_object_vorbiscomment_append_comment(context->metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "DATE", year) || !FLAC__metadata_object_vorbiscomment_append_comment(context->metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "COMMENT", comment) || !FLAC__metadata_object_vorbiscomment_append_comment(context->metadata[0], entry, false) ) { ok = false; } else { context->metadata[1]->length = 4096; ok = FLAC__stream_encoder_set_metadata(context->encoder, context->metadata, 2); } } // initialize encoder in stream mode if (ok) { FLAC__StreamEncoderInitStatus init_status; init_status = FLAC__stream_encoder_init_stream(context->encoder, write_callback_flac, seek_callback_flac, tell_callback_flac, NULL, context); if (init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { ok = false; } } if (!ok) { return false; } return true; }
bool CEncoderFlac::Start(int inChannels, int inRate, int inBits, const std::string& title, const std::string& artist, const std::string& albumartist, const std::string& album, const std::string& year, const std::string& track, const std::string& genre, const std::string& comment, int trackLength) { if (!m_encoder) return false; // we accept only 2 / 44100 / 16 atm if (inChannels != 2 || inRate != 44100 || inBits != 16) { kodi::Log(ADDON_LOG_ERROR, "Invalid input format to encode"); return false; } FLAC__bool ok = 1; ok &= FLAC__stream_encoder_set_verify(m_encoder, true); ok &= FLAC__stream_encoder_set_channels(m_encoder, inChannels); ok &= FLAC__stream_encoder_set_bits_per_sample(m_encoder, inBits); ok &= FLAC__stream_encoder_set_sample_rate(m_encoder, inRate); ok &= FLAC__stream_encoder_set_total_samples_estimate(m_encoder, trackLength / 4); ok &= FLAC__stream_encoder_set_compression_level(m_encoder, kodi::GetSettingInt("level")); // now add some metadata FLAC__StreamMetadata_VorbisComment_Entry entry; if (ok) { if ( (m_metadata[0] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)) == nullptr || (m_metadata[1] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING)) == nullptr || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "ARTIST", artist.c_str()) || !FLAC__metadata_object_vorbiscomment_append_comment(m_metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "ALBUM", album.c_str()) || !FLAC__metadata_object_vorbiscomment_append_comment(m_metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "ALBUMARTIST", albumartist.c_str()) || !FLAC__metadata_object_vorbiscomment_append_comment(m_metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "TITLE", title.c_str()) || !FLAC__metadata_object_vorbiscomment_append_comment(m_metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "GENRE", genre.c_str()) || !FLAC__metadata_object_vorbiscomment_append_comment(m_metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "TRACKNUMBER", track.c_str()) || !FLAC__metadata_object_vorbiscomment_append_comment(m_metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "DATE", year.c_str()) || !FLAC__metadata_object_vorbiscomment_append_comment(m_metadata[0], entry, false) || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "COMMENT", comment.c_str()) || !FLAC__metadata_object_vorbiscomment_append_comment(m_metadata[0], entry, false) ) { ok = false; } else { m_metadata[1]->length = 4096; ok = FLAC__stream_encoder_set_metadata(m_encoder, m_metadata, 2); } } // initialize encoder in stream mode if (ok) { FLAC__StreamEncoderInitStatus init_status; init_status = FLAC__stream_encoder_init_stream(m_encoder, write_callback_flac, seek_callback_flac, tell_callback_flac, nullptr, this); if (init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { ok = false; } } if (!ok) { kodi::Log(ADDON_LOG_ERROR, "Failed to create flac stream encoder"); return false; } return true; }
static int flac_output_open(const char *fname, const char *comment) { int fd; int nch; FLAC__StreamMetadata padding; FLAC__StreamMetadata *metadata[4]; int num_metadata = 0; #ifndef LEGACY_FLAC FLAC__StreamEncoderInitStatus init_status; #endif FLAC_ctx *ctx; if (flac_ctx == NULL) flac_session_close(); if (!(flac_ctx = (FLAC_ctx *)calloc(sizeof(FLAC_ctx), 1))) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "%s", strerror(errno)); return -1; } ctx = flac_ctx; ctx->in_bytes = ctx->out_bytes = 0; if(strcmp(fname, "-") == 0) { fd = 1; /* data to stdout */ if (comment == NULL) comment = "(stdout)"; } else { /* Open the audio file */ fd = open(fname, FILE_OUTPUT_MODE); if(fd < 0) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "%s: %s", fname, strerror(errno)); return -1; } if(comment == NULL) comment = fname; } dpm.fd = fd; nch = (dpm.encoding & PE_MONO) ? 1 : 2; if (0 < flac_options.padding) { padding.is_last = 0; padding.type = FLAC__METADATA_TYPE_PADDING; padding.length = flac_options.padding; metadata[num_metadata++] = &padding; } #ifdef LEGACY_FLAC #ifdef AU_OGGFLAC if (flac_options.isogg) { if ((ctx->encoder.ogg.stream = OggFLAC__stream_encoder_new()) == NULL) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create OggFLAC stream"); flac_session_close(); return -1; } OggFLAC__stream_encoder_set_channels(ctx->encoder.ogg.stream, nch); /* 16bps only */ OggFLAC__stream_encoder_set_bits_per_sample(ctx->encoder.ogg.stream, 16); /* set sequential number for serial */ serial_number++; if (serial_number == 1) { srand(time(NULL)); serial_number = rand(); } OggFLAC__stream_encoder_set_serial_number(ctx->encoder.ogg.stream, serial_number); OggFLAC__stream_encoder_set_verify(ctx->encoder.ogg.stream, flac_options.verify); if (!FLAC__format_sample_rate_is_valid(dpm.rate)) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "invalid sampling rate %d", dpm.rate); flac_session_close(); return -1; } OggFLAC__stream_encoder_set_sample_rate(ctx->encoder.ogg.stream, dpm.rate); OggFLAC__stream_encoder_set_qlp_coeff_precision(ctx->encoder.ogg.stream, flac_options.qlp_coeff_precision); /* expensive! */ OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(ctx->encoder.ogg.stream, flac_options.qlp_coeff_precision_search); if (nch == 2) { OggFLAC__stream_encoder_set_do_mid_side_stereo(ctx->encoder.ogg.stream, flac_options.mid_side); OggFLAC__stream_encoder_set_loose_mid_side_stereo(ctx->encoder.ogg.stream, flac_options.adaptive_mid_side); } OggFLAC__stream_encoder_set_max_lpc_order(ctx->encoder.ogg.stream, flac_options.max_lpc_order); OggFLAC__stream_encoder_set_min_residual_partition_order(ctx->encoder.ogg.stream, flac_options.min_residual_partition_order); OggFLAC__stream_encoder_set_max_residual_partition_order(ctx->encoder.ogg.stream, flac_options.max_residual_partition_order); OggFLAC__stream_encoder_set_blocksize(ctx->encoder.ogg.stream, flac_options.blocksize); OggFLAC__stream_encoder_set_client_data(ctx->encoder.ogg.stream, ctx); if (0 < num_metadata) OggFLAC__stream_encoder_set_metadata(ctx->encoder.ogg.stream, metadata, num_metadata); /* set callback */ OggFLAC__stream_encoder_set_write_callback(ctx->encoder.ogg.stream, ogg_stream_encoder_write_callback); ctx->state.ogg = OggFLAC__stream_encoder_init(ctx->encoder.ogg.stream); if (ctx->state.ogg != OggFLAC__STREAM_ENCODER_OK) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create OggFLAC state (%s)", OggFLAC__StreamEncoderStateString[ctx->state.ogg]); flac_session_close(); return -1; } } else #endif /* AU_OGGFLAC */ if (flac_options.seekable) { if ((ctx->encoder.flac.s_stream = FLAC__seekable_stream_encoder_new()) == NULL) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC stream"); flac_session_close(); return -1; } FLAC__seekable_stream_encoder_set_channels(ctx->encoder.flac.s_stream, nch); /* 16bps only */ FLAC__seekable_stream_encoder_set_bits_per_sample(ctx->encoder.flac.s_stream, 16); FLAC__seekable_stream_encoder_set_verify(ctx->encoder.flac.s_stream, flac_options.verify); if (!FLAC__format_sample_rate_is_valid(dpm.rate)) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "invalid sampling rate %d", dpm.rate); flac_session_close(); return -1; } FLAC__seekable_stream_encoder_set_sample_rate(ctx->encoder.flac.s_stream, dpm.rate); FLAC__seekable_stream_encoder_set_qlp_coeff_precision(ctx->encoder.flac.s_stream, flac_options.qlp_coeff_precision); /* expensive! */ FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search(ctx->encoder.flac.s_stream, flac_options.qlp_coeff_precision_search); if (nch == 2) { FLAC__seekable_stream_encoder_set_do_mid_side_stereo(ctx->encoder.flac.s_stream, flac_options.mid_side); FLAC__seekable_stream_encoder_set_loose_mid_side_stereo(ctx->encoder.flac.s_stream, flac_options.adaptive_mid_side); } FLAC__seekable_stream_encoder_set_max_lpc_order(ctx->encoder.flac.s_stream, flac_options.max_lpc_order); FLAC__seekable_stream_encoder_set_min_residual_partition_order(ctx->encoder.flac.s_stream, flac_options.min_residual_partition_order); FLAC__seekable_stream_encoder_set_max_residual_partition_order(ctx->encoder.flac.s_stream, flac_options.max_residual_partition_order); FLAC__seekable_stream_encoder_set_blocksize(ctx->encoder.flac.s_stream, flac_options.blocksize); FLAC__seekable_stream_encoder_set_client_data(ctx->encoder.flac.s_stream, ctx); if (0 < num_metadata) FLAC__seekable_stream_encoder_set_metadata(ctx->encoder.flac.s_stream, metadata, num_metadata); /* set callback */ /* FLAC__seekable_stream_encoder_set_metadata_callback(ctx->encoder.flac.s_stream, flac_seekable_stream_encoder_metadata_callback); /* */ #if (!defined(__BORLANDC__) && !defined(__POCC__)) FLAC__stream_encoder_set_metadata_callback(ctx->encoder.flac.s_stream, flac_seekable_stream_encoder_metadata_callback); /* */ #endif FLAC__seekable_stream_encoder_set_write_callback(ctx->encoder.flac.s_stream, flac_seekable_stream_encoder_write_callback); ctx->state.s_flac = FLAC__seekable_stream_encoder_init(ctx->encoder.flac.s_stream); if (ctx->state.s_flac != FLAC__SEEKABLE_STREAM_ENCODER_OK) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC state (%s)", FLAC__SeekableStreamEncoderStateString[ctx->state.s_flac]); flac_session_close(); return -1; } } else { if ((ctx->encoder.flac.stream = FLAC__stream_encoder_new()) == NULL) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC stream"); flac_session_close(); return -1; } FLAC__stream_encoder_set_channels(ctx->encoder.flac.stream, nch); /* 16bps only */ FLAC__stream_encoder_set_bits_per_sample(ctx->encoder.flac.stream, 16); FLAC__stream_encoder_set_verify(ctx->encoder.flac.stream, flac_options.verify); if (!FLAC__format_sample_rate_is_valid(dpm.rate)) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "invalid sampling rate %d", dpm.rate); flac_session_close(); return -1; } FLAC__stream_encoder_set_sample_rate(ctx->encoder.flac.stream, dpm.rate); FLAC__stream_encoder_set_qlp_coeff_precision(ctx->encoder.flac.stream, flac_options.qlp_coeff_precision); /* expensive! */ FLAC__stream_encoder_set_do_qlp_coeff_prec_search(ctx->encoder.flac.stream, flac_options.qlp_coeff_precision_search); if (nch == 2) { FLAC__stream_encoder_set_do_mid_side_stereo(ctx->encoder.flac.stream, flac_options.mid_side); FLAC__stream_encoder_set_loose_mid_side_stereo(ctx->encoder.flac.stream, flac_options.adaptive_mid_side); } FLAC__stream_encoder_set_max_lpc_order(ctx->encoder.flac.stream, flac_options.max_lpc_order); FLAC__stream_encoder_set_min_residual_partition_order(ctx->encoder.flac.stream, flac_options.min_residual_partition_order); FLAC__stream_encoder_set_max_residual_partition_order(ctx->encoder.flac.stream, flac_options.max_residual_partition_order); FLAC__stream_encoder_set_blocksize(ctx->encoder.flac.stream, flac_options.blocksize); FLAC__stream_encoder_set_client_data(ctx->encoder.flac.stream, ctx); if (0 < num_metadata) FLAC__stream_encoder_set_metadata(ctx->encoder.flac.stream, metadata, num_metadata); /* set callback */ FLAC__stream_encoder_set_metadata_callback(ctx->encoder.flac.stream, flac_stream_encoder_metadata_callback); FLAC__stream_encoder_set_write_callback(ctx->encoder.flac.stream, flac_stream_encoder_write_callback); ctx->state.flac = FLAC__stream_encoder_init(ctx->encoder.flac.stream); if (ctx->state.flac != FLAC__STREAM_ENCODER_OK) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC state (%s)", FLAC__StreamEncoderStateString[ctx->state.flac]); flac_session_close(); return -1; } } #else /* !LEGACY_FLAC */ if ((ctx->encoder.flac.stream = FLAC__stream_encoder_new()) == NULL) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC stream"); flac_session_close(); return -1; } #ifdef AU_OGGFLAC if (flac_options.isogg) { /* set sequential number for serial */ serial_number++; if (serial_number == 1) { srand(time(NULL)); serial_number = rand(); } FLAC__stream_encoder_set_ogg_serial_number(ctx->encoder.flac.stream, serial_number); } #endif /* AU_OGGFLAC */ FLAC__stream_encoder_set_channels(ctx->encoder.flac.stream, nch); /* 16bps only */ FLAC__stream_encoder_set_bits_per_sample(ctx->encoder.flac.stream, 16); FLAC__stream_encoder_set_verify(ctx->encoder.flac.stream, flac_options.verify); if (!FLAC__format_sample_rate_is_valid(dpm.rate)) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "invalid sampling rate %d", dpm.rate); flac_session_close(); return -1; } FLAC__stream_encoder_set_sample_rate(ctx->encoder.flac.stream, dpm.rate); FLAC__stream_encoder_set_qlp_coeff_precision(ctx->encoder.flac.stream, flac_options.qlp_coeff_precision); /* expensive! */ FLAC__stream_encoder_set_do_qlp_coeff_prec_search(ctx->encoder.flac.stream, flac_options.qlp_coeff_precision_search); if (nch == 2) { FLAC__stream_encoder_set_do_mid_side_stereo(ctx->encoder.flac.stream, flac_options.mid_side); FLAC__stream_encoder_set_loose_mid_side_stereo(ctx->encoder.flac.stream, flac_options.adaptive_mid_side); } FLAC__stream_encoder_set_max_lpc_order(ctx->encoder.flac.stream, flac_options.max_lpc_order); FLAC__stream_encoder_set_min_residual_partition_order(ctx->encoder.flac.stream, flac_options.min_residual_partition_order); FLAC__stream_encoder_set_max_residual_partition_order(ctx->encoder.flac.stream, flac_options.max_residual_partition_order); FLAC__stream_encoder_set_blocksize(ctx->encoder.flac.stream, flac_options.blocksize); if (0 < num_metadata) FLAC__stream_encoder_set_metadata(ctx->encoder.flac.stream, metadata, num_metadata); #ifdef AU_OGGFLAC if (flac_options.isogg) init_status = FLAC__stream_encoder_init_ogg_stream(ctx->encoder.flac.stream, flac_stream_encoder_write_callback, NULL, NULL, NULL, ctx); else #endif init_status = FLAC__stream_encoder_init_stream(ctx->encoder.flac.stream, flac_stream_encoder_write_callback, NULL, NULL, NULL, ctx); if (init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC encoder (init status: %s)", FLAC__StreamEncoderInitStatusString[init_status]); flac_session_close(); return -1; } #endif return 0; }
int __stdcall WWFlacRW_EncodeInit(const WWFlacMetadata &meta) { FLAC__bool ok = true; FLAC__StreamMetadata_VorbisComment_Entry entry; FlacEncodeInfo *fei = FlacTInfoNew<FlacEncodeInfo>(g_flacEncodeInfoMap); if (NULL == fei) { return FRT_OtherError; } fei->errorCode = FRT_Success; fei->sampleRate = meta.sampleRate; fei->channels = meta.channels; fei->bitsPerSample = meta.bitsPerSample; fei->totalSamples = meta.totalSamples; fei->totalBytesPerChannel = meta.totalSamples * fei->bitsPerSample/8; fei->pictureBytes = meta.pictureBytes; assert(NULL == fei->buffPerChannel); fei->buffPerChannel = new uint8_t*[fei->channels]; if (NULL == fei->buffPerChannel) { return FRT_MemoryExhausted; } memset(fei->buffPerChannel, 0, sizeof(uint8_t*)*fei->channels); WCTOUTF8(titleStr); WCTOUTF8(artistStr); WCTOUTF8(albumStr); WCTOUTF8(albumArtistStr); WCTOUTF8(genreStr); WCTOUTF8(dateStr); WCTOUTF8(trackNumberStr); WCTOUTF8(discNumberStr); WCTOUTF8(pictureMimeTypeStr); WCTOUTF8(pictureDescriptionStr); if((fei->encoder = FLAC__stream_encoder_new()) == NULL) { dprintf("FLAC__stream_encoder_new failed\n"); fei->errorCode = FRT_OtherError; goto end; } ok &= FLAC__stream_encoder_set_verify(fei->encoder, true); ok &= FLAC__stream_encoder_set_compression_level(fei->encoder, 5); ok &= FLAC__stream_encoder_set_channels(fei->encoder, fei->channels); ok &= FLAC__stream_encoder_set_bits_per_sample(fei->encoder, fei->bitsPerSample); ok &= FLAC__stream_encoder_set_sample_rate(fei->encoder, fei->sampleRate); ok &= FLAC__stream_encoder_set_total_samples_estimate(fei->encoder, fei->totalSamples); if(!ok) { dprintf("FLAC__stream_encoder_set_??? failed\n"); fei->errorCode = FRT_OtherError; goto end; } if((fei->flacMetaArray[FMT_VorbisComment] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)) == NULL) { dprintf("FLAC__metadata_object_new vorbis comment failed\n"); fei->errorCode = FRT_OtherError; goto end; } if((fei->flacMetaArray[FMT_Picture] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PICTURE)) == NULL) { dprintf("FLAC__metadata_object_new picture failed\n"); fei->errorCode = FRT_OtherError; goto end; } fei->flacMetaCount = 1; ADD_TAG(titleStr, "TITLE"); ADD_TAG(artistStr, "ARTIST"); ADD_TAG(albumStr, "ALBUM"); ADD_TAG(albumArtistStr, "ALBUMARTIST"); ADD_TAG(genreStr, "GENRE"); ADD_TAG(dateStr, "DATE"); ADD_TAG(trackNumberStr, "TRACKNUMBER"); ADD_TAG(discNumberStr, "DISCNUMBER"); end: if (fei->errorCode < 0) { if (NULL != fei->encoder) { FLAC__stream_encoder_delete(fei->encoder); fei->encoder = NULL; } DeleteFlacMetaArray(fei); int result = fei->errorCode; FlacTInfoDelete<FlacEncodeInfo>(g_flacEncodeInfoMap, fei); fei = NULL; return result; } return fei->id; }
int WFLACEncoder::Initialize(unsigned int nSampleRate, unsigned int nNumberOfChannels, unsigned int nBitPerSample, unsigned int custom_value, TEncoderReadCallback read_callback, TEncoderWriteCallback write_callback, TEncoderSeekCallback seek_callback, TEncoderTellCallback tell_callback) { c_nSampleRate = nSampleRate; c_nNumberOfChannels = nNumberOfChannels; c_nBitBerSample = nBitPerSample; c_read_calllback = read_callback; c_write_callback = write_callback; c_seek_callback = seek_callback; c_tell_callback = tell_callback; c_user_data = (void*) custom_value; if((c_encoder = FLAC__stream_encoder_new()) == NULL) { err(ENCODER_INITIALIZATION_ERROR); return 0; } FLAC__bool ok = true; ok &= FLAC__stream_encoder_set_verify(c_encoder, false); ok &= FLAC__stream_encoder_set_compression_level(c_encoder, 5); ok &= FLAC__stream_encoder_set_channels(c_encoder, c_nNumberOfChannels); ok &= FLAC__stream_encoder_set_bits_per_sample(c_encoder, c_nBitBerSample); ok &= FLAC__stream_encoder_set_sample_rate(c_encoder, c_nSampleRate); ok &= FLAC__stream_encoder_set_total_samples_estimate(c_encoder, 0); if(!ok) { FLAC__stream_encoder_delete(c_encoder); c_encoder = NULL; err(ENCODER_INITIALIZATION_ERROR); return 0; } if(c_fOgg) { if(FLAC__stream_encoder_init_ogg_stream(c_encoder, f_read_callback, f_write_callback, f_seek_callback, f_tell_callback, NULL, this) != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { FLAC__stream_encoder_delete(c_encoder); c_encoder = NULL; err(ENCODER_FILEOPEN_ERROR); return 0; } } else { if(FLAC__stream_encoder_init_stream(c_encoder, f_write_callback, f_seek_callback, f_tell_callback, NULL, this) != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { FLAC__stream_encoder_delete(c_encoder); c_encoder = NULL; err(ENCODER_FILEOPEN_ERROR); return 0; } } c_fReady = 1; return 1; }
FLAC__bool file_utils__generate_flacfile(FLAC__bool is_ogg, const char *output_filename, off_t *output_filesize, unsigned length, const FLAC__StreamMetadata *streaminfo, FLAC__StreamMetadata **metadata, unsigned num_metadata) { FLAC__int32 samples[1024]; FLAC__StreamEncoder *encoder; FLAC__StreamEncoderInitStatus init_status; encoder_client_struct encoder_client_data; unsigned i, n; FLAC__ASSERT(0 != output_filename); FLAC__ASSERT(0 != streaminfo); FLAC__ASSERT(streaminfo->type == FLAC__METADATA_TYPE_STREAMINFO); FLAC__ASSERT((streaminfo->is_last && num_metadata == 0) || (!streaminfo->is_last && num_metadata > 0)); if(0 == (encoder_client_data.file = fopen(output_filename, "wb"))) return false; encoder = FLAC__stream_encoder_new(); if(0 == encoder) { fclose(encoder_client_data.file); return false; } FLAC__stream_encoder_set_ogg_serial_number(encoder, file_utils__ogg_serial_number); FLAC__stream_encoder_set_verify(encoder, true); FLAC__stream_encoder_set_streamable_subset(encoder, true); FLAC__stream_encoder_set_do_mid_side_stereo(encoder, false); FLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false); FLAC__stream_encoder_set_channels(encoder, streaminfo->data.stream_info.channels); FLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo->data.stream_info.bits_per_sample); FLAC__stream_encoder_set_sample_rate(encoder, streaminfo->data.stream_info.sample_rate); FLAC__stream_encoder_set_blocksize(encoder, streaminfo->data.stream_info.min_blocksize); FLAC__stream_encoder_set_max_lpc_order(encoder, 0); FLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0); FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false); FLAC__stream_encoder_set_do_escape_coding(encoder, false); FLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false); FLAC__stream_encoder_set_min_residual_partition_order(encoder, 0); FLAC__stream_encoder_set_max_residual_partition_order(encoder, 0); FLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0); FLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo->data.stream_info.total_samples); FLAC__stream_encoder_set_metadata(encoder, metadata, num_metadata); if(is_ogg) init_status = FLAC__stream_encoder_init_ogg_stream(encoder, /*read_callback=*/0, encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, encoder_metadata_callback_, &encoder_client_data); else init_status = FLAC__stream_encoder_init_stream(encoder, encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, encoder_metadata_callback_, &encoder_client_data); if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { fclose(encoder_client_data.file); return false; } /* init the dummy sample buffer */ for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++) samples[i] = i & 7; while(length > 0) { n = min(length, sizeof(samples) / sizeof(FLAC__int32)); if(!FLAC__stream_encoder_process_interleaved(encoder, samples, n)) { fclose(encoder_client_data.file); return false; } length -= n; } (void)FLAC__stream_encoder_finish(encoder); fclose(encoder_client_data.file); FLAC__stream_encoder_delete(encoder); if(0 != output_filesize) { struct stat filestats; if(stat(output_filename, &filestats) != 0) return false; else *output_filesize = filestats.st_size; } return true; }
const char* _edje_multisense_encode_to_flac(char *snd_path, SF_INFO sfinfo) { unsigned int total_samples = 0; /* can use a 32-bit number due to WAVE size limitations */ FLAC__bool ok = 1; FLAC__StreamEncoder *encoder = 0; FLAC__StreamEncoderInitStatus init_status; FLAC__StreamMetadata *metadata[2]; FLAC__StreamMetadata_VorbisComment_Entry entry; SNDFILE *sfile; sf_count_t size; char *tmp; sfile = sf_open(snd_path, SFM_READ, &sfinfo); if (!sfile) return NULL; if (!sf_format_check(&sfinfo)) { sf_close(sfile); return NULL; } size = sf_seek(sfile, 0, SEEK_END); sf_seek(sfile, 0, SEEK_SET); tmp = malloc(strlen(snd_path) + 1 + 5); if (!tmp) { sf_close(sfile); return NULL; } strcpy(tmp, snd_path); snd_path = tmp; strcat(snd_path, ".flac"); total_samples = size; /* allocate the encoder */ if ((encoder = FLAC__stream_encoder_new()) == NULL) { ERR("ERROR: Creating FLAC encoder\n"); free(snd_path); sf_close(sfile); return NULL; } /* Verify it's own encoded output. This will slow the encoding process. */ ok &= FLAC__stream_encoder_set_verify(encoder, 1); //Levels range from 0 (fastest, least compression) to 8 (slowest, most compression). //A value larger than 8 will be treated as 8. //5 is used for good compression and moderate compression/decompression speed. ok &= FLAC__stream_encoder_set_compression_level(encoder, 5); ok &= FLAC__stream_encoder_set_channels(encoder, sfinfo.channels); ok &= FLAC__stream_encoder_set_bits_per_sample(encoder, 16); ok &= FLAC__stream_encoder_set_sample_rate(encoder, sfinfo.samplerate); ok &= FLAC__stream_encoder_set_total_samples_estimate(encoder, total_samples); /* now add some metadata; we'll add some tags and a padding block */ if (ok) { if ((metadata[0] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)) == NULL || (metadata[1] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING)) == NULL || !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "Encoder", "flac") || !FLAC__metadata_object_vorbiscomment_append_comment(metadata[0], entry, 0)) { ERR("ERROR: out of memory error or tag error\n"); ok = 0; } metadata[1]->length = 16; /* set the padding length */ ok = FLAC__stream_encoder_set_metadata(encoder, metadata, 2); } /* initialize encoder */ if (ok) { init_status = FLAC__stream_encoder_init_file(encoder, snd_path, NULL, (void *)(long)(total_samples)); if (init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { ERR("ERROR: unable to initialize FLAC encoder: %s\n", FLAC__StreamEncoderInitStatusString[init_status]); ok = 0; } } /* read blocks of samples from WAVE file and feed to encoder */ while (ok) { FLAC__int32 readbuffer[READBUF * 2]; sf_count_t count; int i; count = sf_readf_int(sfile, readbuffer, READBUF); if (count <= 0) break; for (i = 0; i < (count * sfinfo.channels); i++) readbuffer[i] = readbuffer[i] >> 16; ok = FLAC__stream_encoder_process_interleaved(encoder, readbuffer, count); } FLAC__stream_encoder_finish(encoder); /* now that encoding is finished, the metadata can be freed */ FLAC__metadata_object_delete(metadata[0]); FLAC__metadata_object_delete(metadata[1]); FLAC__stream_encoder_delete(encoder); sf_close(sfile); return (snd_path); }
int main(int argc, char *argv[]) { FLAC__bool ok = true; FLAC__StreamEncoder *encoder = 0; FLAC__StreamEncoderInitStatus init_status; FLAC__StreamMetadata *metadata[2]; FLAC__StreamMetadata_VorbisComment_Entry entry; FILE *fin; unsigned sample_rate = 0; unsigned channels = 0; unsigned bps = 0; if(argc != 3) { fprintf(stderr, "usage: %s infile.wav outfile.flac\n", argv[0]); return 1; } if((fin = fopen(argv[1], "rb")) == NULL) { fprintf(stderr, "ERROR: opening %s for output\n", argv[1]); return 1; } /* read wav header and validate it */ if( fread(buffer, 1, 44, fin) != 44 || memcmp(buffer, "RIFF", 4) || memcmp(buffer+8, "WAVEfmt \020\000\000\000\001\000\002\000", 16) || memcmp(buffer+32, "\004\000\020\000data", 8) ) { fprintf(stderr, "ERROR: invalid/unsupported WAVE file, only 16bps stereo WAVE in canonical form allowed\n"); fclose(fin); return 1; } sample_rate = ((((((unsigned)buffer[27] << 8) | buffer[26]) << 8) | buffer[25]) << 8) | buffer[24]; channels = 2; bps = 16; total_samples = (((((((unsigned)buffer[43] << 8) | buffer[42]) << 8) | buffer[41]) << 8) | buffer[40]) / 4; /* allocate the encoder */ if((encoder = FLAC__stream_encoder_new()) == NULL) { fprintf(stderr, "ERROR: allocating encoder\n"); fclose(fin); return 1; } ok &= FLAC__stream_encoder_set_verify(encoder, true); ok &= FLAC__stream_encoder_set_compression_level(encoder, 5); ok &= FLAC__stream_encoder_set_channels(encoder, channels); ok &= FLAC__stream_encoder_set_bits_per_sample(encoder, bps); ok &= FLAC__stream_encoder_set_sample_rate(encoder, sample_rate); ok &= FLAC__stream_encoder_set_total_samples_estimate(encoder, total_samples); /* now add some metadata; we'll add some tags and a padding block */ if(ok) { if( (metadata[0] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)) == NULL || (metadata[1] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING)) == NULL || /* there are many tag (vorbiscomment) functions but these are convenient for this particular use: */ !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "ARTIST", "Some Artist") || !FLAC__metadata_object_vorbiscomment_append_comment(metadata[0], entry, /*copy=*/false) || /* copy=false: let metadata object take control of entry's allocated string */ !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "YEAR", "1984") || !FLAC__metadata_object_vorbiscomment_append_comment(metadata[0], entry, /*copy=*/false) ) { fprintf(stderr, "ERROR: out of memory or tag error\n"); ok = false; } metadata[1]->length = 1234; /* set the padding length */ ok = FLAC__stream_encoder_set_metadata(encoder, metadata, 2); } /* initialize encoder */ if(ok) { init_status = FLAC__stream_encoder_init_file(encoder, argv[2], progress_callback, /*client_data=*/NULL); if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { fprintf(stderr, "ERROR: initializing encoder: %s\n", FLAC__StreamEncoderInitStatusString[init_status]); ok = false; } } /* read blocks of samples from WAVE file and feed to encoder */ if(ok) { size_t left = (size_t)total_samples; while(ok && left) { size_t need = (left>READSIZE? (size_t)READSIZE : (size_t)left); if(fread(buffer, channels*(bps/8), need, fin) != need) { fprintf(stderr, "ERROR: reading from WAVE file\n"); ok = false; } else { /* convert the packed little-endian 16-bit PCM samples from WAVE into an interleaved FLAC__int32 buffer for libFLAC */ size_t i; for(i = 0; i < need*channels; i++) { /* inefficient but simple and works on big- or little-endian machines */ pcm[i] = (FLAC__int32)(((FLAC__int16)(FLAC__int8)buffer[2*i+1] << 8) | (FLAC__int16)buffer[2*i]); } /* feed samples to encoder */ ok = FLAC__stream_encoder_process_interleaved(encoder, pcm, need); } left -= need; } } ok &= FLAC__stream_encoder_finish(encoder); fprintf(stderr, "encoding: %s\n", ok? "succeeded" : "FAILED"); fprintf(stderr, " state: %s\n", FLAC__StreamEncoderStateString[FLAC__stream_encoder_get_state(encoder)]); /* now that encoding is finished, the metadata can be freed */ FLAC__metadata_object_delete(metadata[0]); FLAC__metadata_object_delete(metadata[1]); FLAC__stream_encoder_delete(encoder); fclose(fin); return 0; }
static int start_write(sox_format_t * const ft) { priv_t * p = (priv_t *)ft->priv; FLAC__StreamEncoderState status; unsigned compression_level = MAX_COMPRESSION; /* Default to "best" */ if (ft->encoding.compression != HUGE_VAL) { compression_level = ft->encoding.compression; if (compression_level != ft->encoding.compression || compression_level > MAX_COMPRESSION) { lsx_fail_errno(ft, SOX_EINVAL, "FLAC compression level must be a whole number from 0 to %i", MAX_COMPRESSION); return SOX_EOF; } } p->encoder = FLAC__stream_encoder_new(); if (p->encoder == NULL) { lsx_fail_errno(ft, SOX_ENOMEM, "FLAC ERROR creating the encoder instance"); return SOX_EOF; } p->decoded_samples = lsx_malloc(sox_globals.bufsiz * sizeof(FLAC__int32)); p->bits_per_sample = ft->encoding.bits_per_sample; lsx_report("encoding at %i bits per sample", p->bits_per_sample); FLAC__stream_encoder_set_channels(p->encoder, ft->signal.channels); FLAC__stream_encoder_set_bits_per_sample(p->encoder, p->bits_per_sample); FLAC__stream_encoder_set_sample_rate(p->encoder, (unsigned)(ft->signal.rate + .5)); { /* Check if rate is streamable: */ static const unsigned streamable_rates[] = {8000, 16000, 22050, 24000, 32000, 44100, 48000, 96000}; size_t i; sox_bool streamable = sox_false; for (i = 0; !streamable && i < array_length(streamable_rates); ++i) streamable = (streamable_rates[i] == ft->signal.rate); if (!streamable) { lsx_report("non-standard rate; output may not be streamable"); FLAC__stream_encoder_set_streamable_subset(p->encoder, sox_false); } } #if FLAC_API_VERSION_CURRENT >= 10 FLAC__stream_encoder_set_compression_level(p->encoder, compression_level); #else { static struct { unsigned blocksize; FLAC__bool do_exhaustive_model_search; FLAC__bool do_mid_side_stereo; FLAC__bool loose_mid_side_stereo; unsigned max_lpc_order; unsigned max_residual_partition_order; unsigned min_residual_partition_order; } const options[MAX_COMPRESSION + 1] = { {1152, sox_false, sox_false, sox_false, 0, 2, 2}, {1152, sox_false, sox_true, sox_true, 0, 2, 2}, {1152, sox_false, sox_true, sox_false, 0, 3, 0}, {4608, sox_false, sox_false, sox_false, 6, 3, 3}, {4608, sox_false, sox_true, sox_true, 8, 3, 3}, {4608, sox_false, sox_true, sox_false, 8, 3, 3}, {4608, sox_false, sox_true, sox_false, 8, 4, 0}, {4608, sox_true, sox_true, sox_false, 8, 6, 0}, {4608, sox_true, sox_true, sox_false, 12, 6, 0}, }; #define SET_OPTION(x) do {\ lsx_report(#x" = %i", options[compression_level].x); \ FLAC__stream_encoder_set_##x(p->encoder, options[compression_level].x);\ } while (0) SET_OPTION(blocksize); SET_OPTION(do_exhaustive_model_search); SET_OPTION(max_lpc_order); SET_OPTION(max_residual_partition_order); SET_OPTION(min_residual_partition_order); if (ft->signal.channels == 2) { SET_OPTION(do_mid_side_stereo); SET_OPTION(loose_mid_side_stereo); } #undef SET_OPTION } #endif if (ft->signal.length != 0) { FLAC__stream_encoder_set_total_samples_estimate(p->encoder, (FLAC__uint64)(ft->signal.length / ft->signal.channels)); p->metadata[p->num_metadata] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE); if (p->metadata[p->num_metadata] == NULL) { lsx_fail_errno(ft, SOX_ENOMEM, "FLAC ERROR creating the encoder seek table template"); return SOX_EOF; } { #if FLAC_API_VERSION_CURRENT >= 8 if (!FLAC__metadata_object_seektable_template_append_spaced_points_by_samples(p->metadata[p->num_metadata], (unsigned)(10 * ft->signal.rate + .5), (FLAC__uint64)(ft->signal.length/ft->signal.channels))) { #else size_t samples = 10 * ft->signal.rate; size_t total_samples = ft->signal.length/ft->signal.channels; if (!FLAC__metadata_object_seektable_template_append_spaced_points(p->metadata[p->num_metadata], total_samples / samples + (total_samples % samples != 0), (FLAC__uint64)total_samples)) { #endif lsx_fail_errno(ft, SOX_ENOMEM, "FLAC ERROR creating the encoder seek table points"); return SOX_EOF; } } p->metadata[p->num_metadata]->is_last = sox_false; /* the encoder will set this for us */ ++p->num_metadata; } if (ft->oob.comments) { /* Make the comment structure */ FLAC__StreamMetadata_VorbisComment_Entry entry; int i; p->metadata[p->num_metadata] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT); for (i = 0; ft->oob.comments[i]; ++i) { static const char prepend[] = "Comment="; char * text = lsx_calloc(strlen(prepend) + strlen(ft->oob.comments[i]) + 1, sizeof(*text)); /* Prepend `Comment=' if no field-name already in the comment */ if (!strchr(ft->oob.comments[i], '=')) strcpy(text, prepend); entry.entry = (FLAC__byte *) strcat(text, ft->oob.comments[i]); entry.length = strlen(text); FLAC__metadata_object_vorbiscomment_append_comment(p->metadata[p->num_metadata], entry, /*copy= */ sox_true); free(text); } ++p->num_metadata; } if (p->num_metadata) FLAC__stream_encoder_set_metadata(p->encoder, p->metadata, p->num_metadata); #if FLAC_API_VERSION_CURRENT <= 7 FLAC__stream_encoder_set_write_callback(p->encoder, flac_stream_encoder_write_callback); FLAC__stream_encoder_set_metadata_callback(p->encoder, flac_stream_encoder_metadata_callback); FLAC__stream_encoder_set_client_data(p->encoder, ft); status = FLAC__stream_encoder_init(p->encoder); #else status = FLAC__stream_encoder_init_stream(p->encoder, flac_stream_encoder_write_callback, flac_stream_encoder_seek_callback, flac_stream_encoder_tell_callback, flac_stream_encoder_metadata_callback, ft); #endif if (status != FLAC__STREAM_ENCODER_OK) { lsx_fail_errno(ft, SOX_EINVAL, "%s", FLAC__StreamEncoderStateString[status]); return SOX_EOF; } return SOX_SUCCESS; } static size_t write_samples(sox_format_t * const ft, sox_sample_t const * const sampleBuffer, size_t const len) { priv_t * p = (priv_t *)ft->priv; unsigned i; for (i = 0; i < len; ++i) { long pcm = SOX_SAMPLE_TO_SIGNED_32BIT(sampleBuffer[i], ft->clips); p->decoded_samples[i] = pcm >> (32 - p->bits_per_sample); switch (p->bits_per_sample) { case 8: p->decoded_samples[i] = SOX_SAMPLE_TO_SIGNED_8BIT(sampleBuffer[i], ft->clips); break; case 16: p->decoded_samples[i] = SOX_SAMPLE_TO_SIGNED_16BIT(sampleBuffer[i], ft->clips); break; case 24: p->decoded_samples[i] = /* sign extension: */ SOX_SAMPLE_TO_SIGNED_24BIT(sampleBuffer[i],ft->clips) << 8; p->decoded_samples[i] >>= 8; break; case 32: p->decoded_samples[i] = SOX_SAMPLE_TO_SIGNED_32BIT(sampleBuffer[i],ft->clips); break; } } FLAC__stream_encoder_process_interleaved(p->encoder, p->decoded_samples, (unsigned) len / ft->signal.channels); return FLAC__stream_encoder_get_state(p->encoder) == FLAC__STREAM_ENCODER_OK ? len : 0; }
bool ofxFlacEncoder::encode(string wavInput, string flacOutput) { //ofLog(OF_LOG_VERBOSE, "init encoding (device%d)",deviceId); FLAC__bool ok = true; FLAC__StreamEncoder *encoder = 0; FLAC__StreamEncoderInitStatus init_status; FILE *fin; unsigned sample_rate = 0; unsigned channels = 0; unsigned bps = 0; if((fin = fopen(ofToDataPath(wavInput).c_str(), "rb")) == NULL){ //ofLog(OF_LOG_ERROR, "ERROR: opening %s for output\n", wavFile); return false; } // read and validate wav header if(fread(buffer, 1, 44, fin) != 44 || memcmp(buffer, "RIFF", 4) || memcmp(buffer + 8, "WAVEfmt \020\000\000\000\001\000\002\000", 16) || memcmp(buffer + 32, "\004\000\020\000data", 8)){ ofLog(OF_LOG_ERROR, "invalid/unsupported WAVE file, only 16bps stereo WAVE in canonical form allowed"); //fclose(fin); //return false; } sample_rate = ((((((unsigned) buffer[27] << 8) | buffer[26]) << 8) | buffer[25]) << 8) | buffer[24]; channels = 2; bps = 16; total_samples = (((((((unsigned) buffer[43] << 8) | buffer[42]) << 8) | buffer[41]) << 8) | buffer[40]) / 4; // allocate the encoder if((encoder = FLAC__stream_encoder_new()) == NULL){ ofLog(OF_LOG_ERROR, " allocating encoder\n"); fclose(fin); return false; } ok &= FLAC__stream_encoder_set_verify(encoder, true); ok &= FLAC__stream_encoder_set_compression_level(encoder, 5); ok &= FLAC__stream_encoder_set_channels(encoder, channels); ok &= FLAC__stream_encoder_set_bits_per_sample(encoder, bps); ok &= FLAC__stream_encoder_set_sample_rate(encoder, sample_rate); ok &= FLAC__stream_encoder_set_total_samples_estimate(encoder, total_samples); // initialize encoder if(ok){ init_status = FLAC__stream_encoder_init_file(encoder, ofToDataPath(flacOutput).c_str(), NULL, NULL); if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK){ ofLog(OF_LOG_ERROR, "initializing encoder: "); ofLog(OF_LOG_ERROR, FLAC__StreamEncoderInitStatusString[init_status]); ok = false; } } //ofLog(OF_LOG_VERBOSE, "start encoding (device%d)",deviceId); /* read blocks of samples from WAVE file and feed to encoder */ if(ok){ size_t left = (size_t) total_samples; while(ok && left){ size_t need = (left > READSIZE ? (size_t) READSIZE : (size_t) left); if(fread(buffer, channels * (bps / 8), need, fin) != need){ ofLog(OF_LOG_ERROR, "reading from WAVE file"); ok = false; }else{ /* convert the packed little-endian 16-bit PCM samples from WAVE into an interleaved FLAC__int32 buffer for libFLAC */ size_t i; for(i = 0; i < need * channels; i++){ /* inefficient but simple and works on big- or little-endian machines */ pcm[i] = (FLAC__int32) (((FLAC__int16) (FLAC__int8) buffer[2 * i + 1] << 8) | (FLAC__int16) buffer[2 * i]); } /* feed samples to encoder */ ok = FLAC__stream_encoder_process_interleaved(encoder, pcm, need); } left -= need; } } ok &= FLAC__stream_encoder_finish(encoder); // fprintf(stderr, "encoding: %s\n", ok ? "succeeded" : "FAILED"); // fprintf(stderr, // " state: %s\n", // FLAC__StreamEncoderStateString[FLAC__stream_encoder_get_state(encoder)]); FLAC__stream_encoder_delete(encoder); fclose(fin); return ok; }
int convertWavToFlac(const char *wave_file, const char *flac_file, int split_interval_seconds, char** out_flac_files) { FILE *fin; if((fin = fopen(wave_file, "rb")) == NULL) { fprintf(stderr, "ERROR: opening %s for output\n", wave_file); return 1; } // read wav header and validate it, note this will most likely fail for WAVE files not created by Apple if(fread(buffer, 1, 44, fin) != 44 || memcmp(buffer, "RIFF", 4) || memcmp(buffer+36, "FLLR", 4)) { fprintf(stderr, "ERROR: invalid/unsupported WAVE file\n"); fclose(fin); return 1; } unsigned num_channels = ((unsigned)buffer[23] << 8) | buffer[22];; unsigned sample_rate = ((((((unsigned)buffer[27] << 8) | buffer[26]) << 8) | buffer[25]) << 8) | buffer[24]; //unsigned byte_rate = ((((((unsigned)buffer[31] << 8) | buffer[30]) << 8) | buffer[29]) << 8) | buffer[28]; //unsigned block_align = ((unsigned)buffer[33] << 8) | buffer[32]; unsigned bps = ((unsigned)buffer[35] << 8) | buffer[34]; //Apple puts the number of filler bytes in the 2 bytes following FLLR in the filler chunk //get the int value of the hex unsigned filler_byte_count = ((unsigned)buffer[41] << 8) | buffer[40]; //swallow the filler bytes, exiting if there were not enough if(fread(buffer, 1, filler_byte_count, fin) != filler_byte_count) { fprintf(stderr, "ERROR: invalid number of filler bytes\n"); return 1; } //swallow the beginning of the data chunk, i.e. the word 'data' unsigned data_subchunk_size = 0; if(fread(buffer, 1, 8, fin) != 8 || memcmp(buffer, "data", 4)) { fprintf(stderr, "ERROR: bad data start section\n"); return 1; } else { //Subchunk2Size == NumSamples * NumChannels * BitsPerSample/8 data_subchunk_size = ((((((unsigned)buffer[7] << 8) | buffer[6]) << 8) | buffer[5]) << 8) | buffer[4]; } //create the flac encoder FLAC__StreamEncoder *encoder = FLAC__stream_encoder_new(); FLAC__stream_encoder_set_verify(encoder, true); FLAC__stream_encoder_set_compression_level(encoder, 5); FLAC__stream_encoder_set_channels(encoder, num_channels); FLAC__stream_encoder_set_bits_per_sample(encoder, bps); FLAC__stream_encoder_set_sample_rate(encoder, sample_rate); //unknown total samples FLAC__stream_encoder_set_total_samples_estimate(encoder, 0); char* next_flac_file = malloc(sizeof(char) * 1024); sprintf(next_flac_file, "%s.flac", flac_file); //fprintf(stderr, "writing to new flac file %s\n", next_flac_file); FLAC__stream_encoder_init_file(encoder, next_flac_file, progress_callback, NULL); long total_bytes_read = 0; int did_split_at_interval[1024]; for(int i = 0; i < 1024; i++) { did_split_at_interval[i] = 0; } //read the wav file data chunk until we reach the end of the file. size_t bytes_read = 0; size_t need = (size_t)READSIZE; int flac_file_index = 0; while((bytes_read = fread(buffer, num_channels * (bps/8), need, fin)) != 0) { /* convert the packed little-endian 16-bit PCM samples from WAVE into an interleaved FLAC__int32 buffer for libFLAC */ size_t i; for(i = 0; i < bytes_read*num_channels; i++) { /* inefficient but simple and works on big- or little-endian machines */ pcm[i] = (FLAC__int32)(((FLAC__int16)(FLAC__int8)buffer[2*i+1] << 8) | (FLAC__int16)buffer[2*i]); } /* feed samples to encoder */ FLAC__stream_encoder_process_interleaved(encoder, pcm, bytes_read); total_bytes_read += bytes_read; if(split_interval_seconds > 0) { double elapsed_time_seconds = (total_bytes_read * 16) / (bps * sample_rate); int interval = elapsed_time_seconds / split_interval_seconds; if(interval > 0) { if(!did_split_at_interval[interval-1]) { //finish encoding the current flac file FLAC__stream_encoder_finish(encoder); FLAC__stream_encoder_delete(encoder); //add the flac file to the out_flac_files output parameter *(out_flac_files + flac_file_index) = next_flac_file; flac_file_index += 1; //get a new flac file name //free(next_flac_file); next_flac_file = malloc(sizeof(char) * 1024); sprintf(next_flac_file, "%s_%d.flac", flac_file, interval); //fprintf(stderr, "writing to new flac file %s\n", next_flac_file); //create a new encoder encoder = FLAC__stream_encoder_new(); FLAC__stream_encoder_set_verify(encoder, true); FLAC__stream_encoder_set_compression_level(encoder, 5); FLAC__stream_encoder_set_channels(encoder, num_channels); FLAC__stream_encoder_set_bits_per_sample(encoder, bps); FLAC__stream_encoder_set_sample_rate(encoder, sample_rate); FLAC__stream_encoder_set_total_samples_estimate(encoder, 0); FLAC__stream_encoder_init_file(encoder, next_flac_file, progress_callback, NULL); //mark the interval as split did_split_at_interval[interval-1] = 1; } } } } //fprintf(stderr, "total bytes read: %ld\nbits per sample: %d\nsample rate: %d\n", total_bytes_read, bps, sample_rate); *(out_flac_files + flac_file_index) = next_flac_file; //cleanup FLAC__stream_encoder_finish(encoder); FLAC__stream_encoder_delete(encoder); fclose(fin); return 0; }
void CompressionTool::encodeRaw(const char *rawData, int length, int samplerate, const char *outname, AudioFormat compmode) { print(" - len=%ld, ch=%d, rate=%d, %dbits", length, (rawAudioType.isStereo ? 2 : 1), samplerate, rawAudioType.bitsPerSample); #ifdef USE_VORBIS if (compmode == AUDIO_VORBIS) { char outputString[256] = ""; int numChannels = (rawAudioType.isStereo ? 2 : 1); int totalSamples = length / ((rawAudioType.bitsPerSample / 8) * numChannels); int samplesLeft = totalSamples; int eos = 0; int totalBytes = 0; vorbis_info vi; vorbis_comment vc; vorbis_dsp_state vd; vorbis_block vb; ogg_stream_state os; ogg_page og; ogg_packet op; ogg_packet header; ogg_packet header_comm; ogg_packet header_code; Common::File outputOgg(outname, "wb"); vorbis_info_init(&vi); if (oggparms.nominalBitr > 0) { int result = 0; /* Input is in kbps, function takes bps */ result = vorbis_encode_setup_managed(&vi, numChannels, samplerate, (oggparms.maxBitr > 0 ? 1000 * oggparms.maxBitr : -1), (1000 * oggparms.nominalBitr), (oggparms.minBitr > 0 ? 1000 * oggparms.minBitr : -1)); if (result == OV_EFAULT) { vorbis_info_clear(&vi); error("Error: Internal Logic Fault"); } else if ((result == OV_EINVAL) || (result == OV_EIMPL)) { vorbis_info_clear(&vi); error("Error: Invalid bitrate parameters"); } if (!oggparms.silent) { sprintf(outputString, "Encoding to\n \"%s\"\nat average bitrate %i kbps (", outname, oggparms.nominalBitr); if (oggparms.minBitr > 0) { sprintf(outputString + strlen(outputString), "min %i kbps, ", oggparms.minBitr); } else { sprintf(outputString + strlen(outputString), "no min, "); } if (oggparms.maxBitr > 0) { sprintf(outputString + strlen(outputString), "max %i kbps),\nusing full bitrate management engine\nSet optional hard quality restrictions\n", oggparms.maxBitr); } else { sprintf(outputString + strlen(outputString), "no max),\nusing full bitrate management engine\nSet optional hard quality restrictions\n"); } } } else { int result = 0; /* Quality input is -1 - 10, function takes -0.1 through 1.0 */ result = vorbis_encode_setup_vbr(&vi, numChannels, samplerate, oggparms.quality * 0.1f); if (result == OV_EFAULT) { vorbis_info_clear(&vi); error("Internal Logic Fault"); } else if ((result == OV_EINVAL) || (result == OV_EIMPL)) { vorbis_info_clear(&vi); error("Invalid bitrate parameters"); } if (!oggparms.silent) { sprintf(outputString, "Encoding to\n \"%s\"\nat quality %2.2f", outname, oggparms.quality); } if ((oggparms.minBitr > 0) || (oggparms.maxBitr > 0)) { struct ovectl_ratemanage_arg extraParam; vorbis_encode_ctl(&vi, OV_ECTL_RATEMANAGE_GET, &extraParam); extraParam.bitrate_hard_min = (oggparms.minBitr > 0 ? (1000 * oggparms.minBitr) : -1); extraParam.bitrate_hard_max = (oggparms.maxBitr > 0 ? (1000 * oggparms.maxBitr) : -1); extraParam.management_active = 1; vorbis_encode_ctl(&vi, OV_ECTL_RATEMANAGE_SET, &extraParam); if (!oggparms.silent) { sprintf(outputString + strlen(outputString), " using constrained VBR ("); if (oggparms.minBitr != -1) { sprintf(outputString + strlen(outputString), "min %i kbps, ", oggparms.minBitr); } else { sprintf(outputString + strlen(outputString), "no min, "); } if (oggparms.maxBitr != -1) { sprintf(outputString + strlen(outputString), "max %i kbps)\nSet optional hard quality restrictions\n", oggparms.maxBitr); } else { sprintf(outputString + strlen(outputString), "no max)\nSet optional hard quality restrictions\n"); } } } else { sprintf(outputString + strlen(outputString), "\n"); } } puts(outputString); vorbis_encode_setup_init(&vi); vorbis_comment_init(&vc); vorbis_analysis_init(&vd, &vi); vorbis_block_init(&vd, &vb); ogg_stream_init(&os, 0); vorbis_analysis_headerout(&vd, &vc, &header, &header_comm, &header_code); ogg_stream_packetin(&os, &header); ogg_stream_packetin(&os, &header_comm); ogg_stream_packetin(&os, &header_code); while (!eos) { int result = ogg_stream_flush(&os,&og); if (result == 0) { break; } outputOgg.write(og.header, og.header_len); outputOgg.write(og.body, og.body_len); } while (!eos) { int numSamples = ((samplesLeft < 2048) ? samplesLeft : 2048); float **buffer = vorbis_analysis_buffer(&vd, numSamples); /* We must tell the encoder that we have reached the end of the stream */ if (numSamples == 0) { vorbis_analysis_wrote(&vd, 0); } else { /* Adapted from oggenc 1.1.1 */ if (rawAudioType.bitsPerSample == 8) { const byte *rawDataUnsigned = (const byte *)rawData; for (int i = 0; i < numSamples; i++) { for (int j = 0; j < numChannels; j++) { buffer[j][i] = ((int)(rawDataUnsigned[i * numChannels + j]) - 128) / 128.0f; } } } else if (rawAudioType.bitsPerSample == 16) { if (rawAudioType.isLittleEndian) { for (int i = 0; i < numSamples; i++) { for (int j = 0; j < numChannels; j++) { buffer[j][i] = ((rawData[(i * 2 * numChannels) + (2 * j) + 1] << 8) | (rawData[(i * 2 * numChannels) + (2 * j)] & 0xff)) / 32768.0f; } } } else { for (int i = 0; i < numSamples; i++) { for (int j = 0; j < numChannels; j++) { buffer[j][i] = ((rawData[(i * 2 * numChannels) + (2 * j)] << 8) | (rawData[(i * 2 * numChannels) + (2 * j) + 1] & 0xff)) / 32768.0f; } } } } vorbis_analysis_wrote(&vd, numSamples); } while (vorbis_analysis_blockout(&vd, &vb) == 1) { vorbis_analysis(&vb, NULL); vorbis_bitrate_addblock(&vb); while (vorbis_bitrate_flushpacket(&vd, &op)) { ogg_stream_packetin(&os, &op); while (!eos) { int result = ogg_stream_pageout(&os, &og); if (result == 0) { break; } totalBytes += outputOgg.write(og.header, og.header_len); totalBytes += outputOgg.write(og.body, og.body_len); if (ogg_page_eos(&og)) { eos = 1; } } } } rawData += 2048 * (rawAudioType.bitsPerSample / 8) * numChannels; samplesLeft -= 2048; } ogg_stream_clear(&os); vorbis_block_clear(&vb); vorbis_dsp_clear(&vd); vorbis_info_clear(&vi); if (!oggparms.silent) { print("\nDone encoding file \"%s\"", outname); print("\n\tFile length: %dm %ds", (int)(totalSamples / samplerate / 60), (totalSamples / samplerate % 60)); print("\tAverage bitrate: %.1f kb/s\n", (8.0 * (double)totalBytes / 1000.0) / ((double)totalSamples / (double)samplerate)); } } #endif #ifdef USE_FLAC if (compmode == AUDIO_FLAC) { int i; int numChannels = (rawAudioType.isStereo ? 2 : 1); int samplesPerChannel = length / ((rawAudioType.bitsPerSample / 8) * numChannels); FLAC__StreamEncoder *encoder; FLAC__StreamEncoderInitStatus initStatus; FLAC__int32 *flacData; flacData = (FLAC__int32 *)malloc(samplesPerChannel * numChannels * sizeof(FLAC__int32)); if (rawAudioType.bitsPerSample == 8) { for (i = 0; i < samplesPerChannel * numChannels; i++) { FLAC__uint8 *rawDataUnsigned; rawDataUnsigned = (FLAC__uint8 *)rawData; flacData[i] = (FLAC__int32)rawDataUnsigned[i] - 0x80; } } else if (rawAudioType.bitsPerSample == 16) { /* The rawData pointer is an 8-bit char so we must create a new pointer to access 16-bit samples */ FLAC__int16 *rawData16; rawData16 = (FLAC__int16 *)rawData; for (i = 0; i < samplesPerChannel * numChannels; i++) { flacData[i] = (FLAC__int32)rawData16[i]; } } if (!flacparms.silent) { print("Encoding to\n \"%s\"\nat compression level %d using blocksize %d\n", outname, flacparms.compressionLevel, flacparms.blocksize); } encoder = FLAC__stream_encoder_new(); FLAC__stream_encoder_set_bits_per_sample(encoder, rawAudioType.bitsPerSample); FLAC__stream_encoder_set_blocksize(encoder, flacparms.blocksize); FLAC__stream_encoder_set_channels(encoder, numChannels); FLAC__stream_encoder_set_compression_level(encoder, flacparms.compressionLevel); FLAC__stream_encoder_set_sample_rate(encoder, samplerate); FLAC__stream_encoder_set_streamable_subset(encoder, false); FLAC__stream_encoder_set_total_samples_estimate(encoder, samplesPerChannel); FLAC__stream_encoder_set_verify(encoder, flacparms.verify); initStatus = FLAC__stream_encoder_init_file(encoder, outname, NULL, NULL); if (initStatus != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { char buf[2048]; sprintf(buf, "Error in FLAC encoder. (check the parameters)\nExact error was:%s", FLAC__StreamEncoderInitStatusString[initStatus]); free(flacData); throw ToolException(buf); } else { FLAC__stream_encoder_process_interleaved(encoder, flacData, samplesPerChannel); } FLAC__stream_encoder_finish(encoder); FLAC__stream_encoder_delete(encoder); free(flacData); if (!flacparms.silent) { print("\nDone encoding file \"%s\"", outname); print("\n\tFile length: %dm %ds\n", (int)(samplesPerChannel / samplerate / 60), (samplesPerChannel / samplerate % 60)); } } #endif }