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Using QDataStream to write numbers to file, removed PutNum, turned pointers into objects, checking cdio_read_audio_sector return code

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This commit is contained in:
asiviero 2014-01-16 03:05:24 -02:00
parent 457d240854
commit 97129ec3c0
2 changed files with 25 additions and 38 deletions
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60
src/ui/ripcd.cpp
View File

@ -24,6 +24,7 @@
#include <QSettings>
#include <QCheckBox>
#include <QDataStream>
#include <QFileDialog>
#include <QFrame>
#include <QLineEdit>
@ -161,32 +162,22 @@ RipCD::RipCD(QWidget* parent) :
* | Marks the beginning of the data section.
* 41-44 | File size (data) | Size of the data section.
*/
void RipCD::WriteWAVHeader(QFile *stream, int32_t i_bytecount) {
stream->write(kWavHeaderRiffMarker); /* 0-3 */
PutNum(i_bytecount + 44 - 8, stream, 4); /* 4-7 */
stream->write(kWavFileTypeFormatChunk); /* 8-15 */
PutNum(16, stream, 4); /* 16-19 */
PutNum(1, stream, 2); /* 20-21 */
PutNum(2, stream, 2); /* 22-23 */
PutNum(44100, stream, 4); /* 24-27 */
PutNum(44100 * 2 * 2, stream, 4); /* 28-31 */
PutNum(4, stream, 2); /* 32-33 */
PutNum(16, stream, 2); /* 34-35 */
stream->write(kWavDataString); /* 36-39 */
PutNum(i_bytecount, stream, 4); /* 40-43 */
}
void RipCD::PutNum(int64_t num, QFile *stream, int bytes) {
unsigned int i;
unsigned char c;
for (i = 0; bytes--; i++) {
c = (num >> (i << 3)) & 0xff;
if (stream->write(reinterpret_cast<char*>(&c), sizeof(c)) == -1) {
perror("Could not write to output.");
exit(1);
}
}
void RipCD::WriteWAVHeader(QFile &stream, int32_t i_bytecount) {
QDataStream data_stream(&stream);
data_stream.setByteOrder(QDataStream::LittleEndian);
stream.write(kWavHeaderRiffMarker); /* 0-3 */
data_stream << qint32(i_bytecount + 44 - 8);
//PutNum(i_bytecount + 44 - 8, stream, 4); /* 4-7 */
stream.write(kWavFileTypeFormatChunk); /* 8-15 */
data_stream << (qint32)16; /* 16-19 */
data_stream << (qint16)1; /* 20-21 */
data_stream << (qint16)2; /* 22-23 */
data_stream << (qint32)44100; /* 24-27 */
data_stream << (qint32)(44100 * 2 * 2); /* 28-31 */
data_stream << (qint16)4; /* 32-33 */
data_stream << (qint16)16; /* 34-35 */
stream.write(kWavDataString); /* 36-39 */
data_stream << (qint32)i_bytecount; /* 40-43 */
}
int RipCD::NumTracksToRip() {
@ -218,29 +209,26 @@ void RipCD::ThreadClickedRipButton() {
QString filename = source_directory
+ ParseFileFormatString(ui_->format_filename->text(), i) + ".wav";
QFile* destination_file = new QFile(filename);
destination_file->open(QIODevice::WriteOnly);
QFile destination_file(filename);
destination_file.open(QIODevice::WriteOnly);
lsn_t i_first_lsn = cdio_get_track_lsn(cdio_, i);
lsn_t i_last_lsn = cdio_get_track_last_lsn(cdio_, i);
WriteWAVHeader(destination_file,
(i_last_lsn - i_first_lsn + 1) * CDIO_CD_FRAMESIZE_RAW);
QByteArray *buffered_input_bytes = new QByteArray();
buffered_input_bytes->resize(CDIO_CD_FRAMESIZE_RAW);
QByteArray buffered_input_bytes(CDIO_CD_FRAMESIZE_RAW,'\0');
for (lsn_t i_cursor = i_first_lsn; i_cursor <= i_last_lsn; i_cursor++) {
cdio_read_audio_sector(cdio_, buffered_input_bytes->data(), i_cursor);
if (!buffered_input_bytes->data()) {
if(cdio_read_audio_sector(cdio_, buffered_input_bytes.data(), i_cursor) == DRIVER_OP_SUCCESS) {
destination_file.write(buffered_input_bytes.data(), buffered_input_bytes.size());
} else {
qDebug() << "Read error. Stopping.";
break;
} else {
destination_file->write(buffered_input_bytes->data(), CDIO_CD_FRAMESIZE_RAW);
}
}
finished_success_++;
emit(SignalUpdateProgress());
destination_file->close();
delete buffered_input_bytes;
destination_file.close();
TranscoderPreset preset =
ui_->format->itemData(ui_->format->currentIndex())
.value<TranscoderPreset>();

3
src/ui/ripcd.h
View File

@ -54,8 +54,7 @@ class RipCD: public QDialog {
QString last_add_dir_;
QPushButton* cancel_button_;
void WriteWAVHeader(QFile* stream, int32_t i_bytecount);
void PutNum(int64_t num, QFile* stream, int bytes);
void WriteWAVHeader(QFile& stream, int32_t i_bytecount);
int NumTracksToRip();
void ThreadClickedRipButton();
QString TrimPath(const QString& path) const;