void FFDemux::addFormatContext(QString url, const QString ¶m)
{
FormatContext *fmtCtx = new FormatContext(reconnectStreamed);
{
QMutexLocker mL(&mutex);
formatContexts.append(fmtCtx);
}
if (!url.contains("://"))
url.prepend("file://");
if (fmtCtx->open(url, param))
streams_info.append(fmtCtx->streamsInfo);
else
{
{
QMutexLocker mL(&mutex);
formatContexts.erase(formatContexts.end() - 1);
}
delete fmtCtx;
}
}
Playlist::Entries FFDemux::fetchTracks(const QString &url, bool &ok)
{
if (url.contains("://{") || !url.startsWith("file://"))
return {};
const auto createFmtCtx = [&] {
FormatContext *fmtCtx = new FormatContext;
{
QMutexLocker mL(&mutex);
formatContexts.append(fmtCtx);
}
return fmtCtx;
};
const auto destroyFmtCtx = [&](FormatContext *fmtCtx) {
{
QMutexLocker mL(&mutex);
const int idx = formatContexts.indexOf(fmtCtx);
if (idx > -1)
formatContexts.remove(idx);
}
delete fmtCtx;
};
if (url.endsWith(".cue", Qt::CaseInsensitive))
{
QFile cue(url.mid(7));
if (cue.size() <= 0xFFFF && cue.open(QFile::ReadOnly | QFile::Text))
{
QList<QByteArray> data = Functions::textWithFallbackEncoding(cue.readAll()).split('\n');
QString title, performer, audioUrl;
double index0 = -1.0, index1 = -1.0;
QHash<int, QPair<double, double>> indexes;
Playlist::Entries entries;
Playlist::Entry entry;
int track = -1;
const auto maybeFlushTrack = [&](int prevTrack) {
if (track <= 0)
return;
const auto cutFromQuotation = [](QString &str) {
const int idx1 = str.indexOf('"');
const int idx2 = str.lastIndexOf('"');
if (idx1 > -1 && idx2 > idx1)
str = str.mid(idx1 + 1, idx2 - idx1 - 1);
else
str.clear();
};
cutFromQuotation(title);
cutFromQuotation(performer);
if (!title.isEmpty() && !performer.isEmpty())
entry.name = performer + " - " + title;
else if (title.isEmpty() && !performer.isEmpty())
entry.name = performer;
else if (!title.isEmpty() && performer.isEmpty())
entry.name = title;
if (entry.name.isEmpty())
{
if (entry.parent == 1)
entry.name = tr("Track") + " " + QString::number(prevTrack);
else
entry.name = Functions::fileName(entry.url, false);
}
title.clear();
performer.clear();
if (prevTrack > 0)
{
if (index0 <= 0.0)
index0 = index1; // "INDEX 00" doesn't exist, use "INDEX 01"
indexes[prevTrack].first = index0;
indexes[prevTrack].second = index1;
if (entries.count() <= prevTrack)
entries.resize(prevTrack + 1);
entries[prevTrack] = entry;
}
else
{
entries.prepend(entry);
}
entry = Playlist::Entry();
entry.parent = 1;
entry.url = audioUrl;
index0 = index1 = -1.0;
};
const auto parseTime = [](const QByteArray &time) {
int m = 0, s = 0, f = 0;
if (sscanf(time.constData(), "%2d:%2d:%2d", &m, &s, &f) == 3)
return m * 60.0 + s + f / 75.0;
return -1.0;
};
entry.url = url;
entry.GID = 1;
for (QByteArray &line : data)
{
line = line.trimmed();
if (track < 0)
{
if (line.startsWith("TITLE "))
title = line;
else if (line.startsWith("PERFORMER "))
performer = line;
else if (line.startsWith("FILE "))
{
const int idx = line.lastIndexOf('"');
if (idx > -1)
{
audioUrl = line.mid(6, idx - 6);
if (!audioUrl.isEmpty())
audioUrl.prepend(Functions::filePath(url));
}
}
}
else if (line.startsWith("FILE "))
{
// QMPlay2 supports CUE files which uses only single audio file
return {};
}
if (line.startsWith("TRACK "))
{
if (entries.isEmpty() && audioUrl.isEmpty())
break;
if (line.endsWith(" AUDIO"))
{
const int prevTrack = track;
track = line.mid(6, 2).toInt();
if (track < 99)
maybeFlushTrack(prevTrack);
else
track = 0;
}
else
{
track = 0;
}
}
else if (track > 0)
{
if (line.startsWith("TITLE "))
title = line;
else if (line.startsWith("PERFORMER "))
performer = line;
else if (line.startsWith("INDEX 00 "))
index0 = parseTime(line.mid(9));
else if (line.startsWith("INDEX 01 "))
index1 = parseTime(line.mid(9));
}
}
maybeFlushTrack(track);
for (int i = entries.count() - 1; i >= 1; --i)
{
Playlist::Entry &entry = entries[i];
const bool lastItem = (i == entries.count() - 1);
const double start = indexes.value(i).second;
const double end = indexes.value(i + 1, {-1.0, -1.0}).first;
if (entry.url.isEmpty() || start < 0.0 || (end <= 0.0 && !lastItem))
{
entries.removeAt(i);
continue;
}
const QString param = QString("CUE:%1:%2").arg(start).arg(end);
if (lastItem && end < 0.0) // Last entry doesn't have specified length in CUE file
{
FormatContext *fmtCtx = createFmtCtx();
if (fmtCtx->open(entry.url, param))
entry.length = fmtCtx->length();
destroyFmtCtx(fmtCtx);
if (abortFetchTracks)
{
ok = false;
return {};
}
}
else
{
entry.length = end - start;
}
entry.url = QString("%1://{%2}%3").arg(DemuxerName, entry.url, param);
}
if (!entries.isEmpty())
return entries;
}
}
OggHelper oggHelper(url.mid(7), abortFetchTracks);
if (oggHelper.io)
{
Playlist::Entries entries;
int i = 0;
for (const OggHelper::Chain &chains : oggHelper.getOggChains(ok))
{
const QString param = QString("OGG:%1:%2:%3").arg(++i).arg(chains.first).arg(chains.second);
FormatContext *fmtCtx = createFmtCtx();
if (fmtCtx->open(url, param))
{
Playlist::Entry entry;
entry.url = QString("%1://{%2}%3").arg(DemuxerName, url, param);
entry.name = fmtCtx->title();
entry.length = fmtCtx->length();
entries.append(entry);
}
destroyFmtCtx(fmtCtx);
if (abortFetchTracks)
{
ok = false;
return {};
}
}
if (ok && !entries.isEmpty())
{
for (int i = 0; i < entries.count(); ++i)
entries[i].parent = 1;
Playlist::Entry entry;
entry.name = Functions::fileName(url, false);
entry.url = url;
entry.GID = 1;
entries.prepend(entry);
return entries;
}
}
return {};
}