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#include <QFile>
#include <archive_entry.h>
#include "archiveinputdevice.h"
#include "decoder_archive.h"
DecoderArchive::DecoderArchive(const QString &url)
{
m_url = url;
m_archive = 0;
m_decoder = 0;
m_input = 0;
}
DecoderArchive::~DecoderArchive()
{
if(m_decoder)
{
delete m_decoder;
m_decoder = 0;
}
if(m_input)
{
delete m_input;
m_input = 0;
}
if(m_archive)
{
archive_read_close(m_archive);
archive_read_free(m_archive);
m_archive = 0;
}
}
bool DecoderArchive::initialize()
{
QString filePath = m_url.section("#", -1);
QString archivePath = m_url;
archivePath.remove(QRegExp("^.+://"));
archivePath.remove(QRegExp("#.+$"));
if(!QFile::exists(archivePath))
{
qWarning("DecoderArchive: file '%s' not found", qPrintable(archivePath));
return false;
}
QList<DecoderFactory*> filtered;
foreach (DecoderFactory *fact, Decoder::enabledFactories())
{
if(fact->properties().noInput)
continue;
foreach(QString filter, fact->properties().filters)
{
QRegExp regexp(filter, Qt::CaseInsensitive, QRegExp::Wildcard);
if (regexp.exactMatch(filePath))
{
filtered.append(fact);
break;
}
}
}
if(filtered.isEmpty())
{
qWarning("DecoderArchive: unable to find decoder");
return false;
}
m_archive = archive_read_new();
archive_read_support_filter_all(m_archive);
archive_read_support_format_all(m_archive);
int r = archive_read_open_filename(m_archive, archivePath.toLocal8Bit().constData(), 10240);
if (r != ARCHIVE_OK)
{
qWarning("DecoderArchive: unable to open file '%s', error code: %d", qPrintable(archivePath), r);
return false;
}
struct archive_entry *entry = 0;
while (archive_read_next_header(m_archive, &entry) == ARCHIVE_OK)
{
QString pathName = QString::fromLocal8Bit(archive_entry_pathname(entry));
if(!pathName.startsWith("/"))
pathName.prepend("/");
if(archive_entry_filetype(entry) == AE_IFREG && filePath == pathName)
{
m_input = new ArchiveInputDevice(m_archive, entry, 0);
break;
}
archive_read_data_skip(m_archive);
}
if(!m_input)
{
qWarning("DecoderArchive: unable to find file '%s' inside archive '%s'", qPrintable(filePath),
qPrintable(archivePath));
return false;
}
DecoderFactory *factory = 0;
if(filtered.size() == 1)
factory = filtered.first();
else
{
//multiple factories, so trying to determine by content
foreach (DecoderFactory *fact, filtered)
{
if(fact->canDecode(m_input))
{
factory = fact;
break;
}
}
}
if(!factory)
{
qWarning("DecoderArchive: unable to find decoder factory");
return false;
}
qDebug("DecoderArchive: selected decoder: %s", qPrintable(factory->properties().shortName));
m_decoder = factory->create(m_url, m_input);
if(!m_decoder->initialize())
{
qWarning("DecoderArchive: unable to initialize decoder");
return false;
}
configure(m_decoder->audioParameters());
return true;
}
qint64 DecoderArchive::totalTime() const
{
return m_decoder->totalTime();
}
void DecoderArchive::seek(qint64 time)
{
m_decoder->seek(time);
}
qint64 DecoderArchive::read(unsigned char *data, qint64 maxSize)
{
return m_decoder->read(data, maxSize);
}
int DecoderArchive::bitrate() const
{
return m_decoder->bitrate();
}
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