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/***************************************************************************
enginerecord.cpp - class to record the mix
-------------------
copyright : (C) 2007 by John Sully
copyright : (C) 2010 by Tobias Rafreider
email :
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "engine/sidechain/enginerecord.h"
#include "preferences/usersettings.h"
#include "control/controlobject.h"
#include "control/controlproxy.h"
#include "encoder/encoder.h"
#ifdef __FFMPEGFILE__
#include "encoder/encoderffmpegmp3.h"
#include "encoder/encoderffmpegvorbis.h"
#else
#include "encoder/encodermp3.h"
#include "encoder/encodervorbis.h"
#endif
#include "mixer/playerinfo.h"
#include "recording/defs_recording.h"
#include "util/event.h"
const int kMetaDataLifeTimeout = 16;
EngineRecord::EngineRecord(UserSettingsPointer pConfig)
: m_pConfig(pConfig),
m_pEncoder(NULL),
m_pSndfile(NULL),
m_frames(0),
m_recordedDuration(0),
m_iMetaDataLife(0),
m_cueTrack(0),
m_bCueIsEnabled(false) {
m_sfInfo.frames = 0;
m_sfInfo.samplerate = 0;
m_sfInfo.channels = 0;
m_sfInfo.format = 0;
m_sfInfo.sections = 0;
m_sfInfo.seekable = 0;
m_pRecReady = new ControlProxy(RECORDING_PREF_KEY, "status", this);
m_pSamplerate = new ControlProxy("[Master]", "samplerate", this);
m_sampleRate = m_pSamplerate->get();
}
EngineRecord::~EngineRecord() {
closeCueFile();
closeFile();
delete m_pRecReady;
delete m_pSamplerate;
}
void EngineRecord::updateFromPreferences() {
m_encoding = m_pConfig->getValueString(ConfigKey(RECORDING_PREF_KEY, "Encoding")).toLatin1();
// returns a number from 1 .. 10
m_OGGquality = m_pConfig->getValueString(ConfigKey(RECORDING_PREF_KEY, "OGG_Quality")).toLatin1();
m_MP3quality = m_pConfig->getValueString(ConfigKey(RECORDING_PREF_KEY, "MP3_Quality")).toLatin1();
m_fileName = m_pConfig->getValueString(ConfigKey(RECORDING_PREF_KEY, "Path"));
m_baTitle = m_pConfig->getValueString(ConfigKey(RECORDING_PREF_KEY, "Title")).toLatin1();
m_baAuthor = m_pConfig->getValueString(ConfigKey(RECORDING_PREF_KEY, "Author")).toLatin1();
m_baAlbum = m_pConfig->getValueString(ConfigKey(RECORDING_PREF_KEY, "Album")).toLatin1();
m_cueFileName = m_pConfig->getValueString(ConfigKey(RECORDING_PREF_KEY, "CuePath")).toLatin1();
m_bCueIsEnabled = m_pConfig->getValueString(ConfigKey(RECORDING_PREF_KEY, "CueEnabled")).toInt();
m_sampleRate = m_pSamplerate->get();
// Delete m_pEncoder if it has been initialized (with maybe) different bitrate.
if (m_pEncoder) {
delete m_pEncoder;
m_pEncoder = NULL;
}
if (m_encoding == ENCODING_MP3) {
#ifdef __FFMPEGFILE__
m_pEncoder = new EncoderFfmpegMp3(this);
#else
m_pEncoder = new EncoderMp3(this);
#endif
m_pEncoder->updateMetaData(m_baAuthor.data(),m_baTitle.data(),m_baAlbum.data());
if(m_pEncoder->initEncoder(Encoder::convertToBitrate(m_MP3quality.toInt()),
m_sampleRate) < 0) {
delete m_pEncoder;
m_pEncoder = NULL;
#ifdef __FFMPEGFILE__
qDebug() << "MP3 recording is not supported. FFMPEG mp3 could not be initialized";
#else
qDebug() << "MP3 recording is not supported. Lame could not be initialized";
#endif
}
} else if (m_encoding == ENCODING_OGG) {
#ifdef __FFMPEGFILE__
m_pEncoder = new EncoderFfmpegVorbis(this);
#else
m_pEncoder = new EncoderVorbis(this);
#endif
m_pEncoder->updateMetaData(m_baAuthor.data(),m_baTitle.data(),m_baAlbum.data());
if (m_pEncoder->initEncoder(Encoder::convertToBitrate(m_OGGquality.toInt()),
m_sampleRate) < 0) {
delete m_pEncoder;
m_pEncoder = NULL;
#ifdef __FFMPEGFILE__
qDebug() << "OGG recording is not supported. FFMPEG OGG/Vorbis could not be initialized";
#else
qDebug() << "OGG recording is not supported. OGG/Vorbis library could not be initialized";
#endif
}
}
// If we use WAVE OR AIFF the encoder will be NULL at all times.
}
bool EngineRecord::metaDataHasChanged()
{
if (m_iMetaDataLife < kMetaDataLifeTimeout) {
m_iMetaDataLife++;
return false;
}
m_iMetaDataLife = 0;
TrackPointer pTrack = PlayerInfo::instance().getCurrentPlayingTrack();
if (!pTrack)
return false;
if (m_pCurrentTrack) {
if (!pTrack->getId().isValid() || !m_pCurrentTrack->getId().isValid()) {
if ((pTrack->getArtist() == m_pCurrentTrack->getArtist()) &&
(pTrack->getTitle() == m_pCurrentTrack->getArtist())) {
return false;
}
}
else if (pTrack->getId() == m_pCurrentTrack->getId()) {
return false;
}
}
m_pCurrentTrack = pTrack;
return true;
}
void EngineRecord::process(const CSAMPLE* pBuffer, const int iBufferSize) {
float recordingStatus = m_pRecReady->get();
if (recordingStatus == RECORD_OFF) {
//qDebug("Setting record flag to: OFF");
if (fileOpen()) {
Event::end("EngineRecord recording");
closeFile(); // Close file and free encoder.
emit(isRecording(false, false));
}
} else if (recordingStatus == RECORD_READY) {
// If we are ready for recording, i.e, the output file has been selected, we
// open a new file.
updateFromPreferences(); // Update file location from preferences.
if (openFile()) {
Event::start("EngineRecord recording");
qDebug("Setting record flag to: ON");
m_pRecReady->set(RECORD_ON);
emit(isRecording(true, false)); // will notify the RecordingManager
// Since we just started recording, timeout and clear the metadata.
m_iMetaDataLife = kMetaDataLifeTimeout;
m_pCurrentTrack = TrackPointer();
// clean frames couting and get current sample rate.
m_frames = 0;
m_sampleRate = m_pSamplerate->get();
if (m_bCueIsEnabled) {
openCueFile();
m_cueTrack = 0;
}
} else { // Maybe the encoder could not be initialized
qDebug() << "Could not open" << m_fileName << "for writing.";
qDebug("Setting record flag to: OFF");
m_pRecReady->slotSet(RECORD_OFF);
// An error occurred.
emit(isRecording(false, true));
}
} else if (recordingStatus == RECORD_ON) {
// If recording is enabled process audio to compressed or uncompressed data.
if (m_encoding == ENCODING_WAVE || m_encoding == ENCODING_AIFF) {
if (m_pSndfile != NULL) {
sf_write_float(m_pSndfile, pBuffer, iBufferSize);
emit(bytesRecorded(iBufferSize * 2));
}
} else {
if (m_pEncoder) {
// Compress audio. Encoder will call method 'write()' below to
// write a file stream
m_pEncoder->encodeBuffer(pBuffer, iBufferSize);
}
}
// update frames counting and recorded duration (seconds)
m_frames += iBufferSize / 2;
unsigned long lastDuration = m_recordedDuration;
m_recordedDuration = m_frames / m_sampleRate;
// gets recorded duration and emit signal that will be used
// by RecordingManager to update the label besides start/stop button
if (lastDuration != m_recordedDuration) {
emit(durationRecorded(getRecordedDurationStr()));
}
if (m_bCueIsEnabled) {
if (metaDataHasChanged()) {
m_cueTrack++;
writeCueLine();
m_cueFile.flush();
}
}
}
}
QString EngineRecord::getRecordedDurationStr() {
return QString("%1:%2")
.arg(m_recordedDuration / 60, 2, 'f', 0, '0') // minutes
.arg(m_recordedDuration % 60, 2, 'f', 0, '0'); // seconds
}
void EngineRecord::writeCueLine() {
if (!m_pCurrentTrack) {
return;
}
// CDDA is specified as having 75 frames a second
unsigned long cueFrame = ((unsigned long)
((m_frames / (m_sampleRate / 75
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