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main.cpp
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#include <clocale>
#include <numeric>
#include <regex>
#include "win32util.h"
#include "options.h"
#include "InputFactory.h"
#include "sink.h"
#include "WaveSink.h"
#include "CAFSink.h"
#include "WaveOutSink.h"
#include "PeakSink.h"
#include "cuesheet.h"
#include "CompositeSource.h"
#include "NullSource.h"
#include "SoxrResampler.h"
#include "SoxLowpassFilter.h"
#include "Normalizer.h"
#include "MatrixMixer.h"
#include "Quantizer.h"
#include "Scaler.h"
#include "Limiter.h"
#include "PipedReader.h"
#include "TrimmedSource.h"
#include "chanmap.h"
#include "ChannelMapper.h"
#include "logging.h"
#include "Compressor.h"
#include "metadata.h"
#include "wicimage.h"
#include "FLACModule.h"
#include "LibSndfileSource.h"
#include "TakSource.h"
#include "WavpackSource.h"
#include "AvisynthSource.h"
#ifdef REFALAC
#include "ALACEncoderX.h"
#endif
#ifdef QAAC
#include <delayimp.h>
#include "AudioCodecX.h"
#include "CoreAudioEncoder.h"
#include "CoreAudioPaddedEncoder.h"
#include "CoreAudioResampler.h"
#endif
#include <crtdbg.h>
#ifdef REFALAC
#define PROGNAME "refalac"
#elif defined QAAC
#define PROGNAME "qaac"
#endif
static volatile bool g_interrupted = false;
static
BOOL WINAPI console_interrupt_handler(DWORD type)
{
g_interrupted = true;
return TRUE;
}
inline
std::wstring errormsg(const std::exception &ex)
{
return strutil::us2w(ex.what());
}
class PeriodicDisplay {
uint32_t m_interval;
uint32_t m_last_tick_title;
uint32_t m_last_tick_stderr;
std::wstring m_message;
bool m_verbose;
bool m_console_visible;
public:
PeriodicDisplay(uint32_t interval, bool verbose=true)
: m_interval(interval),
m_verbose(verbose)
{
m_console_visible = IsWindowVisible(GetConsoleWindow());
m_last_tick_title = m_last_tick_stderr = GetTickCount();
}
void put(const std::wstring &message) {
m_message = message;
uint32_t tick = GetTickCount();
if (tick - m_last_tick_stderr > m_interval) {
m_last_tick_stderr = tick;
flush();
}
}
void flush() {
if (m_verbose) std::fputws(m_message.c_str(), stderr);
if (m_verbose && m_console_visible &&
m_last_tick_stderr - m_last_tick_title > m_interval * 4)
{
std::vector<wchar_t> s(m_message.size() + 1);
std::wcscpy(&s[0], m_message.c_str());
strutil::squeeze(&s[0], L"\r");
std::wstring msg = strutil::format(L"%hs %s", PROGNAME, &s[0]);
SetConsoleTitleW(msg.c_str());
m_last_tick_title = m_last_tick_stderr;
}
}
};
class Progress {
PeriodicDisplay m_disp;
bool m_verbose;
uint64_t m_total;
uint32_t m_rate;
std::wstring m_tstamp;
win32::Timer m_timer;
bool m_console_visible;
DWORD m_stderr_type;
public:
Progress(bool verbosity, uint64_t total, uint32_t rate)
: m_disp(100, verbosity), m_verbose(verbosity),
m_total(total), m_rate(rate)
{
m_stderr_type = GetFileType(win32::get_handle(_fileno(stderr)));
m_console_visible = IsWindowVisible(GetConsoleWindow());
if (total != ~0ULL)
m_tstamp = util::format_seconds(static_cast<double>(total) / rate);
}
void update(uint64_t current)
{
if ((!m_verbose || !m_stderr_type) && !m_console_visible) return;
double fcurrent = current;
double percent = 100.0 * fcurrent / m_total;
double seconds = fcurrent / m_rate;
double ellapsed = m_timer.ellapsed();
double eta = ellapsed * (m_total / fcurrent - 1);
double speed = ellapsed ? seconds/ellapsed : 0.0;
if (m_total == ~0ULL)
m_disp.put(strutil::format(L"\r%s (%.1fx) ",
util::format_seconds(seconds).c_str(), speed));
else {
std::wstring msg =
strutil::format(L"\r[%.1f%%] %s/%s (%.1fx), ETA %s ",
percent, util::format_seconds(seconds).c_str(),
m_tstamp.c_str(), speed,
util::format_seconds(eta).c_str());
m_disp.put(msg);
}
}
void finish(uint64_t current)
{
m_disp.flush();
if (m_verbose) fputwc('\n', stderr);
double ellapsed = m_timer.ellapsed();
LOG(L"%lld/%lld samples processed in %s\n",
current, m_total, util::format_seconds(ellapsed).c_str());
}
};
static
AudioStreamBasicDescription get_encoding_ASBD(const ISource *src,
uint32_t codecid)
{
AudioStreamBasicDescription iasbd = src->getSampleFormat();
AudioStreamBasicDescription oasbd = { 0 };
oasbd.mFormatID = codecid;
oasbd.mChannelsPerFrame = iasbd.mChannelsPerFrame;
oasbd.mSampleRate = iasbd.mSampleRate;
if (codecid == 'aac ')
oasbd.mFramesPerPacket = 1024;
else if (codecid == 'aach')
oasbd.mFramesPerPacket = 2048;
else if (codecid == 'alac')
oasbd.mFramesPerPacket = 4096;
if (codecid == 'alac') {
if (!(iasbd.mFormatFlags & kAudioFormatFlagIsSignedInteger))
throw std::runtime_error(
"floating point PCM is not supported for ALAC");
switch (iasbd.mBitsPerChannel) {
case 16:
oasbd.mFormatFlags = 1; break;
case 20:
oasbd.mFormatFlags = 2; break;
case 24:
oasbd.mFormatFlags = 3; break;
case 32:
oasbd.mFormatFlags = 4; break;
default:
throw std::runtime_error("Not supported bit depth for ALAC");
}
}
return oasbd;
}
static
uint32_t get_encoding_channel_layout(ISource *src, const Options &opts,
uint32_t *bitmap)
{
AudioStreamBasicDescription asbd = src->getSampleFormat();
const std::vector<uint32_t> *cs = src->getChannels();
uint32_t chanmask;
if (cs) chanmask = chanmap::getChannelMask(*cs);
else chanmask = chanmap::defaultChannelMask(asbd.mChannelsPerFrame);
uint32_t tag = chanmap::AACLayoutFromBitmap(chanmask);
#ifdef QAAC
auto codec = std::make_shared<AudioCodecX>(opts.output_format);
if (tag == kAudioChannelLayoutTag_AAC_7_1_B) {
if (opts.isALAC())
throw std::runtime_error("Channel layout not supported");
} else if (!codec->isAvailableOutputChannelLayout(tag)) {
throw std::runtime_error("Channel layout not supported");
}
#endif
#ifdef REFALAC
if (!ALACEncoderX::isAvailableOutputChannelLayout(tag))
throw std::runtime_error("Not supported channel layout for ALAC");
#endif
if (bitmap) *bitmap = chanmask;
return tag;
}
double target_sample_rate(const Options &opts, ISource *src)
{
AudioStreamBasicDescription iasbd = src->getSampleFormat();
double candidate = opts.rate > 0 ? opts.rate : iasbd.mSampleRate;
#ifdef QAAC
if (!opts.isAAC())
return candidate;
else if (opts.rate != 0) {
auto codec = std::make_shared<AudioCodecX>(opts.output_format);
return codec->getClosestAvailableOutputSampleRate(candidate);
} else {
uint32_t tag = get_encoding_channel_layout(src, opts, nullptr);
AudioChannelLayout acl = { 0 };
acl.mChannelLayoutTag = tag;
AudioStreamBasicDescription oasbd = { 0 };
oasbd.mFormatID = opts.output_format;
oasbd.mChannelsPerFrame = iasbd.mChannelsPerFrame;
AudioConverterXX converter(iasbd, oasbd);
converter.setInputChannelLayout(acl);
converter.setOutputChannelLayout(acl);
int32_t quality = (opts.quality + 1) << 5;
converter.configAACCodec(opts.method, opts.bitrate, quality);
return converter.getOutputStreamDescription().mSampleRate;
}
#else
return candidate;
#endif
}
static
void manipulate_channels(std::vector<std::shared_ptr<ISource> > &chain,
const Options &opts)
{
// normalize to Microsoft channel layout
{
const std::vector<uint32_t> *cs = chain.back()->getChannels();
if (cs) {
if (opts.verbose > 1) {
LOG(L"Input layout: %hs\n",
chanmap::getChannelNames(*cs).c_str());
}
auto ccs = chanmap::convertFromAppleLayout(*cs);
auto map = chanmap::getMappingToUSBOrder(ccs);
if (ccs != *cs || !util::is_increasing(map.begin(), map.end()))
{
std::shared_ptr<ISource>
mapper(new ChannelMapper(chain.back(), map,
chanmap::getChannelMask(ccs)));
chain.push_back(mapper);
}
}
}
// remix
if (opts.remix_preset || opts.remix_file) {
if (!SoXConvolverModule::instance().loaded())
LOG(L"WARNING: mixer requires libsoxconvolver. Mixing disabled\n");
else {
std::vector<std::vector<misc::complex_t> > matrix;
if (opts.remix_file)
matrix = misc::loadRemixerMatrixFromFile(opts.remix_file);
else
matrix = misc::loadRemixerMatrixFromPreset(opts.remix_preset);
if (opts.verbose > 1 || opts.logfilename) {
LOG(L"Matrix mixer: %uch -> %uch\n",
static_cast<uint32_t>(matrix[0].size()),
static_cast<uint32_t>(matrix.size()));
}
std::shared_ptr<ISource>
mixer(new MatrixMixer(chain.back(),
matrix, !opts.no_matrix_normalize));
chain.push_back(mixer);
}
}
uint32_t nchannels = chain.back()->getSampleFormat().mChannelsPerFrame;
// --chanmap
if (opts.chanmap.size()) {
if (opts.chanmap.size() != nchannels)
throw std::runtime_error(
"nchannels of input and --chanmap spec unmatch");
std::shared_ptr<ISource>
mapper(new ChannelMapper(chain.back(), opts.chanmap));
chain.push_back(mapper);
}
// --chanmask
if (opts.chanmask > 0)
{
if (util::bitcount(opts.chanmask) != nchannels)
throw std::runtime_error("unmatch --chanmask with input");
std::vector<uint32_t> map(nchannels);
std::iota(map.begin(), map.end(), 1);
std::shared_ptr<ISource>
mapper(new ChannelMapper(chain.back(), map, opts.chanmask));
chain.push_back(mapper);
}
}
std::string pcm_format_str(AudioStreamBasicDescription &asbd)
{
const char *stype[] = { "int", "float" };
unsigned itype = !!(asbd.mFormatFlags & kAudioFormatFlagIsFloat);
return strutil::format("%s%d", stype[itype], asbd.mBitsPerChannel);
}
static double do_normalize(std::vector<std::shared_ptr<ISource> > &chain,
const Options &opts, bool seekable)
{
std::shared_ptr<ISource> src = chain.back();
Normalizer *normalizer = new Normalizer(src, seekable);
chain.push_back(std::shared_ptr<ISource>(normalizer));
LOG(L"Scanning maximum peak...\n");
uint64_t n = 0, rc;
Progress progress(opts.verbose, src->length(),
src->getSampleFormat().mSampleRate);
while (!g_interrupted && (rc = normalizer->process(4096)) > 0) {
n += rc;
progress.update(src->getPosition());
}
progress.finish(src->getPosition());
LOG(L"Peak: %g (%gdB)\n", normalizer->getPeak(), util::scale_to_dB(normalizer->getPeak()));
return normalizer->getPeak();
}
void build_filter_chain_sub(std::shared_ptr<ISeekableSource> src,
std::vector<std::shared_ptr<ISource> > &chain,
const Options &opts, bool normalize_pass=false)
{
SYSTEM_INFO si;
GetSystemInfo(&si);
bool threading = opts.threading && si.dwNumberOfProcessors > 1;
AudioStreamBasicDescription sasbd = src->getSampleFormat();
manipulate_channels(chain, opts);
// check if channel layout is available for codec
if (opts.isAAC() || opts.isALAC())
get_encoding_channel_layout(chain.back().get(), opts, nullptr);
if (opts.lowpass > 0) {
if (!SoXConvolverModule::instance().loaded())
LOG(L"WARNING: --lowpass requires libsoxconvolver. LPF disabled\n");
else {
if (opts.verbose > 1 || opts.logfilename)
LOG(L"Applying LPF: %dHz\n", opts.lowpass);
std::shared_ptr<SoxLowpassFilter>
f(new SoxLowpassFilter(chain.back(), opts.lowpass));
chain.push_back(f);
}
}
{
double irate = chain.back()->getSampleFormat().mSampleRate;
double orate = target_sample_rate(opts, chain.back().get());
if (orate != irate) {
if (!opts.native_resampler && SOXRModule::instance().loaded()) {
LOG(L"%gHz -> %gHz\n", irate, orate);
std::shared_ptr<SoxrResampler>
resampler(new SoxrResampler(chain.back(), orate));
if (opts.verbose > 1 || opts.logfilename)
LOG(L"Using libsoxr SRC: %hs\n", resampler->engine());
chain.push_back(resampler);
} else {
#ifndef QAAC
LOG(L"WARNING: --rate requires libsoxr, resampling disabled\n");
#else
LOG(L"%gHz -> %gHz\n", irate, orate);
AudioStreamBasicDescription sf
= chain.back()->getSampleFormat();
if ((sf.mFormatFlags & kAudioFormatFlagIsFloat)
&& sf.mBitsPerChannel < 32)
{
std::shared_ptr<ISource>
f(new Quantizer(chain.back(), 32, false, true));
chain.push_back(f);
}
uint32_t complexity = opts.native_resampler_complexity;
int quality = std::min(opts.native_resampler_quality,
(int)kAudioConverterQuality_Max);
if (quality < 0) quality = 0;
if (!complexity) complexity = 'bats';
std::shared_ptr<ISource>
resampler(new CoreAudioResampler(chain.back(), orate,
quality, complexity));
chain.push_back(resampler);
if (opts.verbose > 1 || opts.logfilename) {
CoreAudioResampler *p =
dynamic_cast<CoreAudioResampler*>(chain.back().get());
LOG(L"Using CoreAudio SRC: complexity %hs quality %u\n",
util::fourcc(p->getComplexity()).svalue,
p->getQuality());
}
#endif
}
}
}
for (size_t i = 0; i < opts.drc_params.size(); ++i) {
const DRCParams &p = opts.drc_params[i];
if (opts.verbose > 1 || opts.logfilename)
LOG(L"DRC: Threshold %gdB Ratio %g Knee width %gdB\n"
L" Attack %gms Release %gms\n",
p.m_threshold, p.m_ratio, p.m_knee_width,
p.m_attack, p.m_release);
std::shared_ptr<FILE> stat_file;
if (p.m_stat_file) {
FILE *fp = win32::wfopenx(p.m_stat_file, L"wb");
stat_file = std::shared_ptr<FILE>(fp, std::fclose);
}
std::shared_ptr<ISource>
compressor(new Compressor(chain.back(),
p.m_threshold,
p.m_ratio,
p.m_knee_width,
p.m_attack,
p.m_release,
stat_file));
chain.push_back(compressor);
}
if (normalize_pass) {
do_normalize(chain, opts, src->isSeekable());
if (src->isSeekable())
return;
}
if (opts.gain) {
double scale = util::dB_to_scale(opts.gain);
if (opts.verbose > 1 || opts.logfilename)
LOG(L"Gain adjustment: %gdB, scale factor %g\n",
opts.gain, scale);
std::shared_ptr<ISource> scaler(new Scaler(chain.back(), scale));
chain.push_back(scaler);
}
if (opts.limiter) {
if (opts.verbose > 1 || opts.logfilename)
LOG(L"Limiter on\n");
std::shared_ptr<ISource> limiter(new Limiter(chain.back()));
chain.push_back(limiter);
}
if (opts.bits_per_sample) {
bool is_float = (opts.bits_per_sample == 32 && !opts.isALAC());
unsigned sbits = chain.back()->getSampleFormat().mBitsPerChannel;
bool sflags = chain.back()->getSampleFormat().mFormatFlags;
if (opts.isAAC())
LOG(L"WARNING: --bits-per-sample has no effect for AAC\n");
else if (sbits != opts.bits_per_sample ||
!!(sflags & kAudioFormatFlagIsFloat) != is_float) {
std::shared_ptr<ISource>
isrc(new Quantizer(chain.back(), opts.bits_per_sample,
opts.no_dither, is_float));
chain.push_back(isrc);
if (opts.verbose > 1 || opts.logfilename)
LOG(L"Convert to %d bit\n", opts.bits_per_sample);
}
}
if (opts.isAAC()) {
AudioStreamBasicDescription sfmt = chain.back()->getSampleFormat();
if (!(sfmt.mFormatFlags & kAudioFormatFlagIsFloat) ||
sfmt.mBitsPerChannel != 32)
chain.push_back(std::make_shared<Quantizer>(chain.back(), 32,
false, true));
}
if (threading && (opts.isAAC() || opts.isALAC())) {
PipedReader *reader = new PipedReader(chain.back());
reader->start();
chain.push_back(std::shared_ptr<ISource>(reader));
if (opts.verbose > 1 || opts.logfilename)
LOG(L"Enable threading\n");
}
if (opts.verbose > 1) {
auto asbd = chain.back()->getSampleFormat();
LOG(L"Format: %hs -> %hs\n",
pcm_format_str(sasbd).c_str(), pcm_format_str(asbd).c_str());
}
}
void build_filter_chain(std::shared_ptr<ISeekableSource> src,
std::vector<std::shared_ptr<ISource> > &chain,
const Options &opts)
{
chain.push_back(src);
build_filter_chain_sub(src, chain, opts, opts.normalize);
if (opts.normalize && src->isSeekable()) {
src->seekTo(0);
Normalizer *normalizer = dynamic_cast<Normalizer*>(chain.back().get());
double peak = normalizer->getPeak();
chain.clear();
chain.push_back(src);
if (peak > FLT_MIN)
chain.push_back(std::make_shared<Scaler>(src, 1.0/peak));
build_filter_chain_sub(src, chain, opts, false);
}
}
static
bool accept_tag(const std::string &name)
{
/*
* We don't want to copy these tags from the source.
* XXX: should we use white list instead?
*/
static std::regex black_list[] = {
std::regex("accuraterip.*"),
std::regex("compatiblebrands"), /* XXX: ffmpeg metadata for mp4 */
std::regex("ctdb.*confidence"),
std::regex("cuesheet"),
std::regex("cuetrack.*"),
std::regex("encodedby"),
std::regex("encodingapplication"),
std::regex("itunnorm"),
std::regex("itunpgap"),
std::regex("itunsmpb"),
std::regex("log"),
std::regex("majorbrand"), /* XXX: ffmpeg metadata for mp4 */
std::regex("minorversion"), /* XXX: ffmpeg metadata for mp4 */
std::regex("replaygain.*"),
};
std::string ss;
for (const char *s = name.c_str(); *s; ++s)
if (!std::strchr(" -_", *s))
ss.push_back(tolower(static_cast<unsigned char>(*s)));
size_t i = 0, end = util::sizeof_array(black_list);
for (i = 0; i < end; ++i)
if (std::regex_match(ss, black_list[i]))
break;
return i == end;
}
static
void set_tags(ISource *src, ISink *sink, const Options &opts,
const std::wstring encoder_config)
{
ITagStore *tagstore = dynamic_cast<ITagStore*>(sink);
if (!tagstore)
return;
MP4SinkBase *mp4sink = dynamic_cast<MP4SinkBase*>(tagstore);
ITagParser *parser = dynamic_cast<ITagParser*>(src);
if (parser) {
const std::map<std::string, std::string> &tags = parser->getTags();
std::map<std::string, std::string>::const_iterator ssi;
for (ssi = tags.begin(); ssi != tags.end(); ++ssi) {
if (!strcasecmp(ssi->first.c_str(), "cover art")) {
if (mp4sink && opts.copy_artwork && !opts.artworks.size()) {
std::vector<char> vec(ssi->second.begin(),
ssi->second.end());
if (opts.artwork_size)
WICConvertArtwork(vec.data(), vec.size(),
opts.artwork_size, &vec);
mp4sink->addArtwork(vec);
}
} else if (accept_tag(ssi->first))
tagstore->setTag(ssi->first, ssi->second);
}
if (mp4sink) {
IChapterParser *cp = dynamic_cast<IChapterParser*>(src);
if (cp) {
auto &chapters = cp->getChapters();
if (chapters.size())
mp4sink->setChapters(chapters.begin(), chapters.end());
}
}
}
tagstore->setTag("encoding application",
strutil::w2us(opts.encoder_name + L", " + encoder_config));
for (auto uwi = opts.tagopts.begin(); uwi != opts.tagopts.end(); ++uwi) {
const char *name = M4A::getTagNameFromFourCC(uwi->first);
if (name)
tagstore->setTag(name, uwi->second);
}
for (auto swi = opts.longtags.begin(); swi != opts.longtags.end(); ++swi)
tagstore->setTag(swi->first, swi->second);
if (mp4sink) {
for (size_t i = 0; i < opts.artworks.size(); ++i)
mp4sink->addArtwork(opts.artworks[i]);
}
}
static
void decode_file(const std::vector<std::shared_ptr<ISource> > &chain,
const std::wstring &ofilename, const Options &opts)
{
std::shared_ptr<ISink> sink;
uint32_t chanmask = 0;
CAFSink *cafsink = 0;
const std::shared_ptr<ISource> src = chain.back();
const AudioStreamBasicDescription &sf = src->getSampleFormat();
const std::vector<uint32_t> *channels = src->getChannels();
if (channels) {
chanmask = chanmap::getChannelMask(*channels);
if (opts.verbose > 1) {
LOG(L"Output layout: %hs\n",
chanmap::getChannelNames(*channels).c_str());
}
}
if (opts.isLPCM()) {
auto fileptr = win32::fopen(ofilename, L"wb");
if (!opts.is_caf) {
sink = std::make_shared<WaveSink>(fileptr, src->length(),
sf, chanmask);
} else {
sink = std::make_shared<CAFSink>(fileptr, sf, chanmask,
std::vector<uint8_t>());
cafsink = dynamic_cast<CAFSink*>(sink.get());
set_tags(chain[0].get(), cafsink, opts, L"");
cafsink->beginWrite();
}
} else if (opts.isWaveOut()) {
if (!chanmask)
chanmask = chanmap::defaultChannelMask(sf.mChannelsPerFrame);
sink = std::make_shared<WaveOutSink>(sf, chanmask);
} else if (opts.isPeak())
sink = std::make_shared<PeakSink>(sf);
Progress progress(opts.verbose, src->length(), sf.mSampleRate);
uint32_t bpf = sf.mBytesPerFrame;
std::vector<uint8_t> buffer(4096 * bpf);
try {
size_t nread;
while (!g_interrupted &&
(nread = src->readSamples(&buffer[0], 4096)) > 0) {
progress.update(src->getPosition());
sink->writeSamples(&buffer[0], nread * bpf, nread);
}
progress.finish(src->getPosition());
} catch (const std::exception &e) {
LOG(L"\nERROR: %s\n", errormsg(e).c_str());
}
if (opts.isLPCM()) {
WaveSink *wavsink = dynamic_cast<WaveSink *>(sink.get());
if (wavsink)
wavsink->finishWrite();
else if (cafsink)
cafsink->finishWrite(AudioFilePacketTableInfo());
} else if (opts.isPeak()) {
PeakSink *p = dynamic_cast<PeakSink *>(sink.get());
LOG(L"Peak: %g (%gdB)\n", p->peak(), util::scale_to_dB(p->peak()));
}
}
static
uint32_t map_to_aac_channels(std::vector<std::shared_ptr<ISource> > &chain,
const Options &opts)
{
uint32_t chanmask;
uint32_t tag = get_encoding_channel_layout(chain.back().get(), opts,
&chanmask);
auto map = chanmap::getMappingToAAC(chanmask);
std::shared_ptr<ISource>
mapper(new ChannelMapper(chain.back(), map, 0, tag));
chain.push_back(mapper);
if (opts.verbose > 1) {
AudioChannelLayout acl = { 0 };
acl.mChannelLayoutTag = tag;
auto vec = chanmap::getChannels(&acl);
LOG(L"Output layout: %hs\n", chanmap::getChannelNames(vec).c_str());
}
return tag;
}
static
void do_encode(IEncoder *encoder, const std::wstring &ofilename,
const Options &opts)
{
typedef std::shared_ptr<std::FILE> file_t;
file_t statPtr;
if (opts.save_stat) {
std::wstring statname =
win32::PathReplaceExtension(ofilename, L".stat.txt");
statPtr = win32::fopen(statname, L"w");
}
IEncoderStat *stat = dynamic_cast<IEncoderStat*>(encoder);
ISource *src = encoder->src();
Progress progress(opts.verbose, src->length(),
src->getSampleFormat().mSampleRate);
try {
FILE *statfp = statPtr.get();
while (!g_interrupted && encoder->encodeChunk(1)) {
progress.update(src->getPosition());
if (statfp && stat->framesWritten())
std::fwprintf(statfp, L"%g\n", stat->currentBitrate());
}
progress.finish(src->getPosition());
} catch (...) {
LOG(L"\n");
throw;
}
}
static void do_optimize(MP4FileX *file, const std::wstring &dst, bool verbose)
{
try {
file->FinishWriteX();
MP4FileCopy optimizer(file);
optimizer.start(strutil::w2us(dst).c_str());
uint64_t total = optimizer.getTotalChunks();
PeriodicDisplay disp(100, verbose);
for (uint64_t i = 1; optimizer.copyNextChunk(); ++i) {
int percent = 100.0 * i / total + .5;
disp.put(strutil::format(L"\rOptimizing...%d%%",
percent).c_str());
}
disp.put(L"\rOptimizing...done\n");
disp.flush();
} catch (mp4v2::impl::Exception *e) {
handle_mp4error(e);
}
}
static
void finalize_m4a(MP4SinkBase *sink, IEncoder *encoder,
const std::wstring &ofilename, const Options &opts)
{
IEncoderStat *stat = dynamic_cast<IEncoderStat *>(encoder);
if (opts.chapter_file) {
try {
double duration = stat->samplesRead() /
encoder->getInputDescription().mSampleRate;
auto xs = misc::convertChaptersToQT(opts.chapters, duration);
sink->setChapters(xs.begin(), xs.end());
} catch (const std::runtime_error &e) {
LOG(L"WARNING: %s\n", errormsg(e).c_str());
}
}
sink->writeTags();
sink->writeBitrates(stat->overallBitrate() * 1000.0 + .5);
if (!opts.no_optimize)
do_optimize(sink->getFile(), ofilename, opts.verbose);
sink->close();
}
#ifdef QAAC
static
std::shared_ptr<ISink> open_sink(const std::wstring &ofilename,
const Options &opts,
const AudioStreamBasicDescription &asbd,
uint32_t channel_layout,
const std::vector<uint8_t> &cookie)
{
std::vector<uint8_t> asc;
if (opts.isAAC())
asc = cautil::parseMagicCookieAAC(cookie);
win32::MakeSureDirectoryPathExistsX(ofilename);
if (opts.isMP4()) {
std::shared_ptr<FILE> _ = win32::fopen(ofilename, L"wb");
}
if (opts.is_adts)
return std::make_shared<ADTSSink>(ofilename, asc, false);
else if (opts.is_caf)
return std::make_shared<CAFSink>(ofilename, asbd, channel_layout,
cookie);
else if (opts.isALAC())
return std::make_shared<ALACSink>(ofilename, cookie, !opts.no_optimize);
else if (opts.isAAC())
return std::make_shared<MP4Sink>(ofilename, asc, !opts.no_optimize);
throw std::runtime_error("XXX");
}
static
void show_available_codec_setttings(UInt32 fmt)
{
AudioCodecX codec(fmt);
auto srates = codec.getAvailableOutputSampleRates();
auto tags = codec.getAvailableOutputChannelLayoutTags();
for (size_t i = 0; i < srates.size(); ++i) {
if (srates[i].mMinimum == 0) continue;
for (size_t j = 0; j < tags.size(); ++j) {
if (tags[j] == 0) continue;
AudioChannelLayout acl = { 0 };
acl.mChannelLayoutTag = tags[j];
auto channels = chanmap::getChannels(&acl);
std::string name = chanmap::getChannelNames(channels);
AudioStreamBasicDescription iasbd =
cautil::buildASBDForPCM(srates[i].mMinimum,
channels.size(),
32, kAudioFormatFlagIsFloat);
AudioStreamBasicDescription oasbd = { 0 };
oasbd.mFormatID = fmt;
oasbd.mSampleRate = iasbd.mSampleRate;
oasbd.mChannelsPerFrame = iasbd.mChannelsPerFrame;
AudioConverterXX converter(iasbd, oasbd);
converter.setInputChannelLayout(acl);
converter.setOutputChannelLayout(acl);
converter.setBitRateControlMode(
kAudioCodecBitRateControlMode_Constant);
auto bits = converter.getApplicableEncodeBitRates();
std::wprintf(L"%hs %gHz %hs --",
fmt == 'aac ' ? "LC" : "HE",
srates[i].mMinimum, name.c_str());
for (size_t k = 0; k < bits.size(); ++k) {
if (!bits[k].mMinimum) continue;
int delim = k == 0 ? L' ' : L',';
std::wprintf(L"%c%d", delim, lrint(bits[k].mMinimum / 1000.0));
}
std::putwchar(L'\n');
}
}
}
static
void show_available_aac_settings()
{
show_available_codec_setttings('aac ');
show_available_codec_setttings('aach');
}
static
void setup_aach_codec(HMODULE hDll)
{
CFPlugInFactoryFunction aachFactory =
AutoCast(GetProcAddress(hDll, "ACMP4AACHighEfficiencyEncoderFactory"));
if (aachFactory) {
AudioComponentDescription desc = { 'aenc', 'aach', 0 };
AudioComponentRegister(&desc,
CFSTR("MPEG4 High Efficiency AAC Encoder"),
0, aachFactory);
}
}
/*
static
FARPROC WINAPI DllImportHook(unsigned notify, PDelayLoadInfo pdli)
{
win32::throw_error(pdli->szDll, pdli->dwLastError);
return 0;
}
*/
static
void set_dll_directories(int verbose)
{
SetDllDirectoryW(L"");
DWORD sz = GetEnvironmentVariableW(L"PATH", 0, 0);
std::vector<wchar_t> vec(sz);
sz = GetEnvironmentVariableW(L"PATH", &vec[0], sz);
std::wstring searchPaths(&vec[0], &vec[sz]);
try {
HKEY hKey;
const wchar_t *subkey[] = {
L"SOFTWARE\\Apple Inc.\\Apple Application Support",
L"SOFTWARE\\Apple Computer, Inc.\\iTunes",
};
for (int i = 0; i < 2; ++i) {
if (!RegOpenKeyExW(HKEY_LOCAL_MACHINE, subkey[i], 0, KEY_READ, &hKey)) {
std::shared_ptr<HKEY__> hKeyPtr(hKey, RegCloseKey);
DWORD size;
if (!RegQueryValueExW(hKey, L"InstallDir", 0, 0, 0, &size)) {
std::vector<wchar_t> vec(size/sizeof(wchar_t));
RegQueryValueExW(hKey, L"InstallDir", 0, 0,
reinterpret_cast<LPBYTE>(&vec[0]), &size);
searchPaths = strutil::format(L"%s;%s", &vec[0], searchPaths.c_str());
}
}
}
} catch (const std::exception &) {}
std::wstring dir = win32::get_module_directory() + L"QTfiles";
#ifdef _WIN64
dir += L"64";
#endif
searchPaths = strutil::format(L"%s;%s", dir.c_str(), searchPaths.c_str());
SetEnvironmentVariableW(L"PATH", searchPaths.c_str());
}
static
void encode_file(const std::shared_ptr<ISeekableSource> &src,
const std::wstring &ofilename, const Options &opts)
{
std::vector<std::shared_ptr<ISource> > chain;
build_filter_chain(src, chain, opts);
if (opts.isLPCM() || opts.isWaveOut() || opts.isPeak()) {
decode_file(chain, ofilename, opts);
return;
}
uint32_t channel_layout = map_to_aac_channels(chain, opts);
AudioStreamBasicDescription iasbd = chain.back()->getSampleFormat();
AudioStreamBasicDescription oasbd =
get_encoding_ASBD(chain.back().get(), opts.output_format);
AudioConverterXX converter(iasbd, oasbd);
AudioChannelLayout acl = { 0 };
acl.mChannelLayoutTag = channel_layout;
converter.setInputChannelLayout(acl);
converter.setOutputChannelLayout(acl);
if (opts.isAAC()) {
int32_t quality = (opts.quality + 1) << 5;
converter.configAACCodec(opts.method, opts.bitrate, quality);
}
std::wstring encoder_config = strutil::us2w(converter.getConfigAsString());
LOG(L"%s\n", encoder_config.c_str());
auto cookie = converter.getCompressionMagicCookie();
std::shared_ptr<CoreAudioEncoder> encoder;
if (opts.isAAC()) {
if (opts.no_smart_padding)
encoder = std::make_shared<CoreAudioEncoder>(converter);
else
encoder = std::make_shared<CoreAudioPaddedEncoder>(
converter, opts.num_priming);
} else
encoder = std::make_shared<CoreAudioEncoder>(converter);
encoder->setSource(chain.back());
std::shared_ptr<ISink> sink;
sink = open_sink(ofilename, opts, oasbd, channel_layout, cookie);
encoder->setSink(sink);
if (opts.isAAC()) {
MP4Sink *mp4sink = dynamic_cast<MP4Sink*>(sink.get());
if (mp4sink) {
std::string params = converter.getEncodingParamsTag();
mp4sink->setTag("Encoding Params", params);
}
}
set_tags(src.get(), sink.get(), opts, encoder_config);
CAFSink *cafsink = dynamic_cast<CAFSink*>(sink.get());
if (cafsink)
cafsink->beginWrite();
do_encode(encoder.get(), ofilename, opts);
LOG(L"Overall bitrate: %gkbps\n", encoder->overallBitrate());
AudioFilePacketTableInfo pti = { 0 };
if (opts.isAAC()) {
pti = encoder->getGaplessInfo();
MP4Sink *mp4sink = dynamic_cast<MP4Sink*>(sink.get());
if (mp4sink) {
mp4sink->setGaplessMode(opts.gapless_mode + 1);
mp4sink->setGaplessInfo(pti);
}
}
MP4SinkBase *mp4sinkbase = dynamic_cast<MP4SinkBase*>(sink.get());
if (mp4sinkbase)
finalize_m4a(mp4sinkbase, encoder.get(), ofilename, opts);
else if (cafsink)
cafsink->finishWrite(pti);
}
#endif // QAAC
#ifdef REFALAC
static
void encode_file(const std::shared_ptr<ISeekableSource> &src,
const std::wstring &ofilename, const Options &opts)
{
std::vector<std::shared_ptr<ISource> > chain;
build_filter_chain(src, chain, opts);
if (opts.isLPCM() || opts.isWaveOut() || opts.isPeak()) {
decode_file(chain, ofilename, opts);
return;
}
uint32_t channel_layout = map_to_aac_channels(chain, opts);
AudioStreamBasicDescription iasbd = chain.back()->getSampleFormat();
AudioStreamBasicDescription oasbd =
get_encoding_ASBD(chain.back().get(), opts.output_format);
ALACEncoderX encoder(iasbd);
encoder.setFastMode(opts.alac_fast);
auto cookie = encoder.getMagicCookie();
win32::MakeSureDirectoryPathExistsX(ofilename);
std::shared_ptr<ISink> sink;
if (opts.is_caf)
sink = std::make_shared<CAFSink>(ofilename, oasbd,
channel_layout, cookie);
else
sink = std::make_shared<ALACSink>(ofilename, cookie, !opts.no_optimize);
encoder.setSource(chain.back());
encoder.setSink(sink);
set_tags(src.get(), sink.get(), opts, L"Apple Lossless Encoder");