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/*
* Cantata
*
* Copyright (c) 2011-2022 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
*/
#include "extractjob.h"
#include "cdparanoia.h"
#include "device.h"
#include "gui/covers.h"
#include "gui/settings.h"
#include "mpd-interface/mpdconnection.h"
#include "support/utils.h"
#include "tags/tags.h"
#include <QFile>
#include <QProcess>
#include <QStringList>
const int ExtractJob::constWavHeaderSize = 44;// ffmpeg uses 46 byte header?
static void insertSize(unsigned char* data, qint32 size)
{
data[0] = (size & 0x000000ff);
data[1] = (size & 0x0000ff00) >> 8;
data[2] = (size & 0x00ff0000) >> 16;
data[3] = (size & 0xff000000) >> 24;
}
void ExtractJob::writeWavHeader(QIODevice& dev, qint32 size)
{
unsigned char riffHeader[] = {
0x52, 0x49, 0x46, 0x46,// 0 "RIFF"
0x00, 0x00, 0x00, 0x00,// 4 wavSize
0x57, 0x41, 0x56, 0x45,// 8 "WAVE"
0x66, 0x6d, 0x74, 0x20,// 12 "fmt "
0x10, 0x00, 0x00, 0x00,// 16 Size of WAVE section chunk (ffmpeg has 12 here???)
0x01, 0x00, 0x02, 0x00,// 20 WAVE type format / Number of channels
0x44, 0xac, 0x00, 0x00,// 24 Samples per second
0x10, 0xb1, 0x02, 0x00,// 28 Bytes per second
0x04, 0x00, 0x10, 0x00,// 32 Block alignment / Bits per sample
0x64, 0x61, 0x74, 0x61,// 36 "data" (ffmpeg preceeds this with two 0 bytes)
0x00, 0x00, 0x00, 0x00 // 40 byteCount
};
if (0 != size) {
insertSize(&riffHeader[4], (size + constWavHeaderSize) - 8);
insertSize(&riffHeader[40], size);
}
dev.write((char*)riffHeader, constWavHeaderSize);
}
ExtractJob::ExtractJob(const Encoders::Encoder& enc, int val, const QString& src, const QString& dest, const Song& s, const QString& cover)
: encoder(enc), value(val), srcFile(src), destFile(dest), song(s), coverFile(cover), copiedCover(false)
{
}
ExtractJob::~ExtractJob()
{
}
void ExtractJob::run()
{
if (stopRequested) {
emit result(Device::Cancelled);
}
else {
QStringList encParams = encoder.params(value, encoder.transcoder ? "pipe:" : "-", destFile);
CdParanoia cdparanoia(srcFile, Settings::self()->paranoiaFull(), Settings::self()->paranoiaNeverSkip(), false, Settings::self()->paranoiaOffset());
if (!cdparanoia) {
emit result(Device::FailedToLockDevice);
return;
}
QProcess process;
QString cmd = encParams.takeFirst();
process.start(cmd, encParams, QIODevice::WriteOnly);
process.waitForStarted();
if (stopRequested) {
emit result(Device::Cancelled);
process.close();
return;
}
int firstSector = cdparanoia.firstSectorOfTrack(song.id);
int lastSector = cdparanoia.lastSectorOfTrack(song.id);
int total = lastSector - firstSector;
int count = 0;
cdparanoia.seek(firstSector, SEEK_SET);
writeWavHeader(process);
while ((firstSector + count) <= lastSector) {
qint16* buf = cdparanoia.read();
if (!buf) {
emit result(Device::Failed);
process.close();
return;
}
if (stopRequested) {
emit result(Device::Cancelled);
process.close();
return;
}
char* buffer = (char*)buf;
qint64 writePos = 0;
do {
qint64 bytesWritten = process.write(&buffer[writePos], CD_FRAMESIZE_RAW - writePos);
if (stopRequested) {
emit result(Device::Cancelled);
process.close();
QFile::remove(destFile);
return;
}
if (-1 == bytesWritten) {
emit result(Device::WriteFailed);
process.close();
QFile::remove(destFile);
return;
}
writePos += bytesWritten;
} while (writePos < CD_FRAMESIZE_RAW);
count++;
setPercent((count * 100 / total) + 0.5);
}
process.closeWriteChannel();
process.waitForFinished();
Utils::setFilePerms(destFile);
Tags::update(destFile, Song(), song, 3);
if (!stopRequested && !coverFile.isEmpty()) {
copiedCover = Covers::copyImage(Utils::getDir(coverFile), Utils::getDir(destFile), Utils::getFile(coverFile), Covers::albumFileName(song) + Utils::getExtension(coverFile), 0);
}
emit result(Device::Ok);
}
}
#include "moc_extractjob.cpp"
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