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AVPlayer.cpp
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/******************************************************************************
QtAV: Multimedia framework based on Qt and FFmpeg
Copyright (C) 2012-2017 Wang Bin <[email protected]>
* This file is part of QtAV
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
******************************************************************************/
#include "AVPlayerPrivate.h"
#include <limits>
#include <QtCore/QCoreApplication>
#include <QtCore/QEvent>
#include <QtCore/QDir>
#include <QtCore/QIODevice>
#include <QtCore/QThreadPool>
#include <QtCore/QTimer>
#include "QtAV/AVDemuxer.h"
#include "QtAV/Packet.h"
#include "QtAV/AudioDecoder.h"
#include "QtAV/MediaIO.h"
#include "QtAV/VideoRenderer.h"
#include "QtAV/AVClock.h"
#include "QtAV/VideoCapture.h"
#include "QtAV/VideoCapture.h"
#include "filter/FilterManager.h"
#include "output/OutputSet.h"
#include "AudioThread.h"
#include "VideoThread.h"
#include "AVDemuxThread.h"
#include "QtAV/private/AVCompat.h"
#include "utils/internal.h"
#include "utils/Logger.h"
extern "C" {
#include <libavutil/mathematics.h>
}
#define EOF_ISSUE_SOLVED 0
namespace QtAV {
namespace {
static const struct RegisterMetaTypes {
inline RegisterMetaTypes() {
qRegisterMetaType<QtAV::AVPlayer::State>(); // required by invoke() parameters
}
} _registerMetaTypes;
} //namespace
static const qint64 kSeekMS = 10000;
Q_GLOBAL_STATIC(QThreadPool, loaderThreadPool)
/// Supported input protocols. A static string list
const QStringList& AVPlayer::supportedProtocols()
{
return AVDemuxer::supportedProtocols();
}
AVPlayer::AVPlayer(QObject *parent) :
QObject(parent)
, d(new Private())
{
d->vos = new OutputSet(this);
d->aos = new OutputSet(this);
connect(this, SIGNAL(started()), this, SLOT(onStarted()));
/*
* call stop() before the window(d->vo) closed to stop the waitcondition
* If close the d->vo widget, the the d->vo may destroy before waking up.
*/
connect(qApp, SIGNAL(aboutToQuit()), this, SLOT(aboutToQuitApp()));
//d->clock->setClockType(AVClock::ExternalClock);
connect(&d->demuxer, SIGNAL(started()), masterClock(), SLOT(start()));
connect(&d->demuxer, SIGNAL(error(QtAV::AVError)), this, SIGNAL(error(QtAV::AVError)));
connect(&d->demuxer, SIGNAL(mediaStatusChanged(QtAV::MediaStatus)), this, SLOT(updateMediaStatus(QtAV::MediaStatus)), Qt::DirectConnection);
connect(&d->demuxer, SIGNAL(loaded()), this, SIGNAL(loaded()));
connect(&d->demuxer, SIGNAL(seekableChanged()), this, SIGNAL(seekableChanged()));
d->read_thread = new AVDemuxThread(this);
d->read_thread->setDemuxer(&d->demuxer);
//direct connection can not sure slot order?
connect(d->read_thread, SIGNAL(finished()), this, SLOT(stopFromDemuxerThread()), Qt::DirectConnection);
connect(d->read_thread, SIGNAL(requestClockPause(bool)), masterClock(), SLOT(pause(bool)), Qt::DirectConnection);
connect(d->read_thread, SIGNAL(mediaStatusChanged(QtAV::MediaStatus)), this, SLOT(updateMediaStatus(QtAV::MediaStatus)));
connect(d->read_thread, SIGNAL(bufferProgressChanged(qreal)), this, SIGNAL(bufferProgressChanged(qreal)));
connect(d->read_thread, SIGNAL(seekFinished(qint64)), this, SLOT(onSeekFinished(qint64)), Qt::DirectConnection);
connect(d->read_thread, SIGNAL(stepFinished()), this, SLOT(onStepFinished()), Qt::DirectConnection);
connect(d->read_thread, SIGNAL(internalSubtitlePacketRead(int, QtAV::Packet)), this, SIGNAL(internalSubtitlePacketRead(int, QtAV::Packet)), Qt::DirectConnection);
d->vcapture = new VideoCapture(this);
}
AVPlayer::~AVPlayer()
{
stop();
QMutexLocker lock(&d->load_mutex);
Q_UNUSED(lock);
// if not uninstall here, player's qobject children filters will call uninstallFilter too late that player is almost be destroyed
QList<Filter*> filters(FilterManager::instance().videoFilters(this));
foreach (Filter* f, filters) {
uninstallFilter(reinterpret_cast<VideoFilter*>(f));
}
filters = FilterManager::instance().audioFilters(this);
foreach (Filter* f, filters) {
uninstallFilter(reinterpret_cast<AudioFilter*>(f));
}
}
AVClock* AVPlayer::masterClock()
{
return d->clock;
}
void AVPlayer::addVideoRenderer(VideoRenderer *renderer)
{
if (!renderer) {
qWarning("add a null renderer!");
return;
}
renderer->setStatistics(&d->statistics);
d->vos->addOutput(renderer);
}
void AVPlayer::removeVideoRenderer(VideoRenderer *renderer)
{
d->vos->removeOutput(renderer);
}
void AVPlayer::clearVideoRenderers()
{
d->vos->clearOutputs();
}
void AVPlayer::setRenderer(VideoRenderer *r)
{
VideoRenderer *vo = renderer();
if (vo && r) {
VideoRenderer::OutAspectRatioMode oar = vo->outAspectRatioMode();
//r->resizeRenderer(vo->rendererSize());
r->setOutAspectRatioMode(oar);
if (oar == VideoRenderer::CustomAspectRation) {
r->setOutAspectRatio(vo->outAspectRatio());
}
}
clearVideoRenderers();
if (!r)
return;
r->resizeRenderer(r->rendererSize()); //IMPORTANT: the swscaler will resize
r->setStatistics(&d->statistics);
addVideoRenderer(r);
}
VideoRenderer *AVPlayer::renderer()
{
//QList assert empty in debug mode
if (!d->vos || d->vos->outputs().isEmpty())
return 0;
return static_cast<VideoRenderer*>(d->vos->outputs().last());
}
QList<VideoRenderer*> AVPlayer::videoOutputs()
{
if (!d->vos)
return QList<VideoRenderer*>();
QList<VideoRenderer*> vos;
vos.reserve(d->vos->outputs().size());
foreach (AVOutput *out, d->vos->outputs()) {
vos.append(static_cast<VideoRenderer*>(out));
}
return vos;
}
AudioOutput* AVPlayer::audio()
{
return d->ao;
}
void AVPlayer::setSpeed(qreal speed)
{
if (speed == d->speed)
return;
setFrameRate(0); // will set clock to default
d->speed = speed;
//TODO: check clock type?
if (d->ao && d->ao->isAvailable()) {
qDebug("set speed %.2f", d->speed);
d->ao->setSpeed(d->speed);
}
masterClock()->setSpeed(d->speed);
Q_EMIT speedChanged(d->speed);
}
qreal AVPlayer::speed() const
{
return d->speed;
}
void AVPlayer::setInterruptTimeout(qint64 ms)
{
if (ms < 0LL)
ms = -1LL;
if (d->interrupt_timeout == ms)
return;
d->interrupt_timeout = ms;
Q_EMIT interruptTimeoutChanged();
d->demuxer.setInterruptTimeout(ms);
}
qint64 AVPlayer::interruptTimeout() const
{
return d->interrupt_timeout;
}
void AVPlayer::setInterruptOnTimeout(bool value)
{
if (isInterruptOnTimeout() == value)
return;
d->demuxer.setInterruptOnTimeout(value);
Q_EMIT interruptOnTimeoutChanged();
}
bool AVPlayer::isInterruptOnTimeout() const
{
return d->demuxer.isInterruptOnTimeout();
}
void AVPlayer::setFrameRate(qreal value)
{
d->force_fps = value;
// clock set here will be reset in playInternal()
// also we can't change user's setting of ClockType and autoClock here if force frame rate is disabled.
if (!isPlaying())
return;
d->applyFrameRate();
}
qreal AVPlayer::forcedFrameRate() const
{
return d->force_fps;
}
const Statistics& AVPlayer::statistics() const
{
return d->statistics;
}
bool AVPlayer::installFilter(AudioFilter *filter, int index)
{
if (!FilterManager::instance().registerAudioFilter((Filter*)filter, this, index))
return false;
if (!d->athread)
return false; //install later when avthread created
return d->athread->installFilter((Filter*)filter, index);
}
bool AVPlayer::installFilter(VideoFilter *filter, int index)
{
if (!FilterManager::instance().registerVideoFilter((Filter*)filter, this, index))
return false;
if (!d->vthread)
return false; //install later when avthread created
return d->vthread->installFilter((Filter*)filter, index);
}
bool AVPlayer::uninstallFilter(AudioFilter *filter)
{
FilterManager::instance().unregisterAudioFilter(filter, this);
AVThread *avthread = d->athread;
if (!avthread)
return false;
if (!avthread->filters().contains(filter))
return false;
return avthread->uninstallFilter(filter, true);
}
bool AVPlayer::uninstallFilter(VideoFilter *filter)
{
FilterManager::instance().unregisterVideoFilter(filter, this);
AVThread *avthread = d->vthread;
if (!avthread)
return false;
if (!avthread->filters().contains(filter))
return false;
return avthread->uninstallFilter(filter, true);
}
QList<Filter*> AVPlayer::audioFilters() const
{
return FilterManager::instance().audioFilters((AVPlayer*)this);
}
QList<Filter*> AVPlayer::videoFilters() const
{
return FilterManager::instance().videoFilters((AVPlayer*)this);
}
void AVPlayer::setPriority(const QVector<VideoDecoderId> &ids)
{
d->vc_ids = ids;
if (!isPlaying())
return;
// TODO: add an option to apply immediatly?
if (!d->vthread || !d->vthread->isRunning()) {
qint64 pos = position();
d->setupVideoThread(this);
if (d->vdec) {
d->vthread->start();
setPosition(pos);
}
return;
}
#ifndef ASYNC_DECODER_OPEN
class ChangeDecoderTask : public QRunnable {
AVPlayer* player;
public:
ChangeDecoderTask(AVPlayer *p) : player(p) {}
void run() Q_DECL_OVERRIDE {
player->d->tryApplyDecoderPriority(player);
}
};
d->vthread->scheduleTask(new ChangeDecoderTask(this));
#else
// maybe better experience
class NewDecoderTask : public QRunnable {
AVPlayer *player;
public:
NewDecoderTask(AVPlayer *p) : player(p) {}
void run() Q_DECL_OVERRIDE {
VideoDecoder *vd = NULL;
AVCodecContext *avctx = player->d->demuxer.videoCodecContext();
foreach(VideoDecoderId vid, player->d->vc_ids) {
qDebug("**********trying video decoder: %s...", VideoDecoderFactory::name(vid).c_str());
vd = VideoDecoder::create(vid);
if (!vd)
continue;
vd->setCodecContext(avctx); // It's fine because AVDecoder copy the avctx properties
vd->setOptions(player->d->vc_opt);
if (vd->open()) {
qDebug("**************Video decoder found:%p", vd);
break;
}
delete vd;
vd = 0;
}
if (!vd) {
Q_EMIT player->error(AVError(AVError::VideoCodecNotFound));
return;
}
if (vd->id() == player->d->vdec->id()) {
qDebug("Video decoder does not change");
delete vd;
return;
}
class ApplyNewDecoderTask : public QRunnable {
AVPlayer *player;
VideoDecoder *dec;
public:
ApplyNewDecoderTask(AVPlayer *p, VideoDecoder *d) : player(p), dec(d) {}
void run() Q_DECL_OVERRIDE {
qint64 pos = player->position();
VideoThread *vthread = player->d->vthread;
vthread->packetQueue()->clear();
vthread->setDecoder(dec);
// MUST delete decoder after video thread set the decoder to ensure the deleted vdec will not be used in vthread!
if (player->d->vdec)
delete player->d->vdec;
player->d->vdec = dec;
QObject::connect(player->d->vdec, SIGNAL(error(QtAV::AVError)), player, SIGNAL(error(QtAV::AVError)));
player->d->initVideoStatistics(player->d->demuxer.videoStream());
// If no seek, drop packets until a key frame packet is found. But we may drop too many packets, and also a/v sync is a problem.
player->setPosition(pos);
}
};
player->d->vthread->scheduleTask(new ApplyNewDecoderTask(player, vd));
}
};
QThreadPool::globalInstance()->start(new NewDecoderTask(this));
#endif
}
template<typename ID, typename T>
static QVector<ID> idsFromNames(const QStringList& names) {
QVector<ID> decs;
if (!names.isEmpty()) {
decs.reserve(names.size());
foreach (const QString& name, names) {
if (name.isEmpty())
continue;
ID id = T::id(name.toLatin1().constData());
if (id == 0)
continue;
decs.append(id);
}
}
return decs;
}
void AVPlayer::setVideoDecoderPriority(const QStringList &names)
{
setPriority(idsFromNames<VideoDecoderId, VideoDecoder>(names));
}
template<typename ID, typename T>
static QStringList idsToNames(QVector<ID> ids) {
QStringList decs;
if (!ids.isEmpty()) {
decs.reserve(ids.size());
foreach (ID id, ids) {
decs.append(QString::fromLatin1(T::name(id)));
}
}
return decs;
}
QStringList AVPlayer::videoDecoderPriority() const
{
return idsToNames<VideoDecoderId, VideoDecoder>(d->vc_ids);
}
void AVPlayer::setOptionsForFormat(const QVariantHash &dict)
{
d->demuxer.setOptions(dict);
}
QVariantHash AVPlayer::optionsForFormat() const
{
return d->demuxer.options();
}
void AVPlayer::setOptionsForAudioCodec(const QVariantHash &dict)
{
d->ac_opt = dict;
}
QVariantHash AVPlayer::optionsForAudioCodec() const
{
return d->ac_opt;
}
void AVPlayer::setOptionsForVideoCodec(const QVariantHash &dict)
{
d->vc_opt = dict;
const QVariant p(dict.contains(QStringLiteral("priority")));
if (p.type() == QVariant::StringList) {
setVideoDecoderPriority(p.toStringList());
d->vc_opt.remove(QStringLiteral("priority"));
}
}
QVariantHash AVPlayer::optionsForVideoCodec() const
{
return d->vc_opt;
}
void AVPlayer::setMediaEndAction(MediaEndAction value)
{
if (d->end_action == value)
return;
d->end_action = value;
Q_EMIT mediaEndActionChanged(value);
d->read_thread->setMediaEndAction(value);
}
MediaEndAction AVPlayer::mediaEndAction() const
{
return d->end_action;
}
/*
* loaded state is the state of current setted file.
* For replaying, we can avoid load a seekable file again.
* For playing a new file, load() is required.
*/
void AVPlayer::setFile(const QString &path)
{
// file() is used somewhere else. ensure it is correct
QString p(path);
// QFile does not support "file:"
if (p.startsWith(QLatin1String("file:")))
p = Internal::Path::toLocal(p);
d->reset_state = d->current_source.type() != QVariant::String || d->current_source.toString() != p;
d->current_source = p;
// TODO: d->reset_state = d->demuxer2.setMedia(path);
if (d->reset_state) {
d->audio_track = d->video_track = d->subtitle_track = 0;
Q_EMIT sourceChanged();
//Q_EMIT error(AVError(AVError::NoError));
}
// TODO: use absoluteFilePath?
d->loaded = false; //
}
QString AVPlayer::file() const
{
if (d->current_source.type() == QVariant::String)
return d->current_source.toString();
return QString();
}
void AVPlayer::setIODevice(QIODevice* device)
{
// TODO: d->reset_state = d->demuxer2.setMedia(device);
if (d->current_source.type() == QVariant::String) {
d->reset_state = true;
} else {
if (d->current_source.canConvert<QIODevice*>()) {
d->reset_state = d->current_source.value<QIODevice*>() != device;
} else { // MediaIO
d->reset_state = true;
}
}
d->loaded = false;
d->current_source = QVariant::fromValue(device);
if (d->reset_state) {
d->audio_track = d->video_track = d->subtitle_track = 0;
Q_EMIT sourceChanged();
}
}
void AVPlayer::setInput(MediaIO *in)
{
// TODO: d->reset_state = d->demuxer2.setMedia(in);
if (d->current_source.type() == QVariant::String) {
d->reset_state = true;
} else {
if (d->current_source.canConvert<QIODevice*>()) {
d->reset_state = true;
} else { // MediaIO
d->reset_state = d->current_source.value<QtAV::MediaIO*>() != in;
}
}
d->loaded = false;
d->current_source = QVariant::fromValue<QtAV::MediaIO*>(in);
if (d->reset_state) {
d->audio_track = d->video_track = d->subtitle_track = 0;
Q_EMIT sourceChanged();
}
}
MediaIO* AVPlayer::input() const
{
if (d->current_source.type() == QVariant::String)
return 0;
if (!d->current_source.canConvert<QtAV::MediaIO*>())
return 0;
return d->current_source.value<QtAV::MediaIO*>();
}
VideoCapture* AVPlayer::videoCapture() const
{
return d->vcapture;
}
void AVPlayer::play(const QString& path)
{
setFile(path);
play();
}
bool AVPlayer::isPlaying() const
{
return (d->read_thread &&d->read_thread->isRunning())
|| (d->athread && d->athread->isRunning())
|| (d->vthread && d->vthread->isRunning());
}
void AVPlayer::togglePause()
{
pause(!isPaused());
}
void AVPlayer::pause(bool p)
{
if (!isPlaying())
return;
if (isPaused() == p)
return;
if (!p) {
if (d->was_stepping) {
d->was_stepping = false;
// If was stepping, skip our position a little bit behind us.
// This fixes an issue with the audio timer
seek(position() - 100);
}
}
audio()->pause(p);
//pause thread. check pause state?
d->read_thread->pause(p);
if (d->athread)
d->athread->pause(p);
if (d->vthread)
d->vthread->pause(p);
d->clock->pause(p);
d->state = p ? PausedState : PlayingState;
Q_EMIT stateChanged(d->state);
Q_EMIT paused(p);
}
bool AVPlayer::isPaused() const
{
return (d->read_thread && d->read_thread->isPaused())
|| (d->athread && d->athread->isPaused())
|| (d->vthread && d->vthread->isPaused());
}
MediaStatus AVPlayer::mediaStatus() const
{
return d->status;
}
void AVPlayer::setAutoLoad(bool value)
{
if (d->auto_load == value)
return;
d->auto_load = value;
Q_EMIT autoLoadChanged();
}
bool AVPlayer::isAutoLoad() const
{
return d->auto_load;
}
void AVPlayer::setAsyncLoad(bool value)
{
if (d->async_load == value)
return;
d->async_load = value;
Q_EMIT asyncLoadChanged();
}
bool AVPlayer::isAsyncLoad() const
{
return d->async_load;
}
bool AVPlayer::isLoaded() const
{
return d->loaded;
}
void AVPlayer::loadInternal()
{
QMutexLocker lock(&d->load_mutex);
Q_UNUSED(lock);
// release codec ctx
//close decoders here to make sure open and close in the same thread if not async load
if (isLoaded()) {
if (d->adec)
d->adec->setCodecContext(0);
if (d->vdec)
d->vdec->setCodecContext(0);
}
qDebug() << "Loading " << d->current_source << " ...";
if (d->current_source.type() == QVariant::String) {
d->demuxer.setMedia(d->current_source.toString());
} else {
if (d->current_source.canConvert<QIODevice*>()) {
d->demuxer.setMedia(d->current_source.value<QIODevice*>());
} else { // MediaIO
d->demuxer.setMedia(d->current_source.value<QtAV::MediaIO*>());
}
}
d->loaded = d->demuxer.load();
d->status = d->demuxer.mediaStatus();
if (!d->loaded) {
d->statistics.reset();
qWarning("Load failed!");
d->audio_tracks = d->getTracksInfo(&d->demuxer, AVDemuxer::AudioStream);
Q_EMIT internalAudioTracksChanged(d->audio_tracks);
d->video_tracks = d->getTracksInfo(&d->demuxer, AVDemuxer::VideoStream);
Q_EMIT internalVideoTracksChanged(d->video_tracks);
d->subtitle_tracks = d->getTracksInfo(&d->demuxer, AVDemuxer::SubtitleStream);
Q_EMIT internalSubtitleTracksChanged(d->subtitle_tracks);
return;
}
d->subtitle_tracks = d->getTracksInfo(&d->demuxer, AVDemuxer::SubtitleStream);
Q_EMIT internalSubtitleTracksChanged(d->subtitle_tracks);
d->applySubtitleStream(d->subtitle_track, this);
d->audio_tracks = d->getTracksInfo(&d->demuxer, AVDemuxer::AudioStream);
Q_EMIT internalAudioTracksChanged(d->audio_tracks);
d->video_tracks = d->getTracksInfo(&d->demuxer, AVDemuxer::VideoStream);
Q_EMIT internalVideoTracksChanged(d->video_tracks);
Q_EMIT durationChanged(duration());
Q_EMIT chaptersChanged(chapters());
// setup parameters from loaded media
d->media_start_pts = d->demuxer.startTime();
// TODO: what about other proctols? some vob duration() == 0
if (duration() > 0)
d->media_end = mediaStartPosition() + duration();
else
d->media_end = kInvalidPosition;
d->start_position_norm = normalizedPosition(d->start_position);
d->stop_position_norm = normalizedPosition(d->stop_position);
int interval = qAbs(d->notify_interval);
d->initStatistics();
if (interval != qAbs(d->notify_interval))
Q_EMIT notifyIntervalChanged();
}
void AVPlayer::unload()
{
if (!isLoaded())
return;
QMutexLocker lock(&d->load_mutex);
Q_UNUSED(lock);
d->loaded = false;
d->demuxer.setInterruptStatus(-1);
if (d->adec) { // FIXME: crash if audio external=>internal then replay
d->adec->setCodecContext(0);
delete d->adec;
d->adec = 0;
}
if (d->vdec) {
d->vdec->setCodecContext(0);
delete d->vdec;
d->vdec = 0;
}
d->demuxer.unload();
Q_EMIT chaptersChanged(0);
Q_EMIT durationChanged(0LL); // for ui, slider is invalid. use stopped instead, and remove this signal here?
// ??
d->audio_tracks = d->getTracksInfo(&d->demuxer, AVDemuxer::AudioStream);
Q_EMIT internalAudioTracksChanged(d->audio_tracks);
d->video_tracks = d->getTracksInfo(&d->demuxer, AVDemuxer::VideoStream);
Q_EMIT internalVideoTracksChanged(d->video_tracks);
}
void AVPlayer::setRelativeTimeMode(bool value)
{
if (d->relative_time_mode == value)
return;
d->relative_time_mode = value;
Q_EMIT relativeTimeModeChanged();
}
bool AVPlayer::relativeTimeMode() const
{
return d->relative_time_mode;
}
qint64 AVPlayer::absoluteMediaStartPosition() const
{
return d->media_start_pts;
}
qreal AVPlayer::durationF() const
{
return double(d->demuxer.durationUs())/double(AV_TIME_BASE); //AVFrameContext.duration time base: AV_TIME_BASE
}
qint64 AVPlayer::duration() const
{
return d->demuxer.duration();
}
qint64 AVPlayer::mediaStartPosition() const
{
if (relativeTimeMode())
return 0;
return d->demuxer.startTime();
}
qint64 AVPlayer::mediaStopPosition() const
{
if (d->media_end == kInvalidPosition && duration() > 0) {
// called in stop()
return mediaStartPosition() + duration();
}
return d->media_end;
}
qreal AVPlayer::mediaStartPositionF() const
{
if (relativeTimeMode())
return 0;
return double(d->demuxer.startTimeUs())/double(AV_TIME_BASE);
}
qint64 AVPlayer::normalizedPosition(qint64 pos)
{
if (!isLoaded())
return pos;
qint64 p0 = mediaStartPosition();
qint64 p1 = mediaStopPosition();
if (relativeTimeMode()) {
p0 = 0;
if (p1 != kInvalidPosition)
p1 -= p0; //duration
}
if (pos < 0) {
if (p1 == kInvalidPosition)
pos = kInvalidPosition;
else
pos += p1;
}
return qMax(qMin(pos, p1), p0);
}
qint64 AVPlayer::startPosition() const
{
return d->start_position;
}
void AVPlayer::setStartPosition(qint64 pos)
{
d->start_position = pos;
d->start_position_norm = normalizedPosition(pos);
Q_EMIT startPositionChanged(d->start_position);
}
qint64 AVPlayer::stopPosition() const
{
return d->stop_position;
}
void AVPlayer::setStopPosition(qint64 pos)
{
d->stop_position = pos;
d->stop_position_norm = normalizedPosition(pos);
Q_EMIT stopPositionChanged(d->stop_position);
}
void AVPlayer::setTimeRange(qint64 start, qint64 stop)
{
if (start > stop) {
qWarning("Invalid time range");
return;
}
setStopPosition(stop);
setStartPosition(start);
}
bool AVPlayer::isSeekable() const
{
return d->demuxer.isSeekable();
}
qint64 AVPlayer::position() const
{
// TODO: videoTime()?
const qint64 pts = d->clock->value()*1000.0;
if (relativeTimeMode())
return pts - absoluteMediaStartPosition();
return pts;
}
qint64 AVPlayer::displayPosition() const
{
// Return a cached value if there are seek tasks
if (d->seeking || d->read_thread->hasSeekTasks() || (d->read_thread->buffer() && d->read_thread->buffer()->isBuffering())) {
return d->last_known_good_pts = d->read_thread->lastSeekPos();
}
// TODO: videoTime()?
qint64 pts = d->clock->videoTime()*1000.0;
// If we are stepping around, we want the lastSeekPos.
/// But if we're just paused by the user... we want another value.
if (d->was_stepping) {
pts = d->read_thread->lastSeekPos();
}
if (pts < 0) {
return d->last_known_good_pts;
}
d->last_known_good_pts = pts;
return pts;
}
void AVPlayer::setPosition(qint64 position)
{
// FIXME: strange things happen if seek out of eof
if (position > d->stop_position_norm)
return;
if (!isPlaying())
return;
qint64 pos_pts = position;
if (pos_pts < 0)
pos_pts = 0;
// position passed in is relative to the start pts in relative time mode
if (relativeTimeMode())
pos_pts += absoluteMediaStartPosition();
d->seeking = true;
d->read_thread->seek(position,pos_pts, seekType());
Q_EMIT positionChanged(position); //emit relative position
}
int AVPlayer::repeat() const
{
return d->repeat_max;
}
int AVPlayer::currentRepeat() const
{
return d->repeat_current;
}
// TODO: reset current_repeat?
void AVPlayer::setRepeat(int max)
{
d->repeat_max = max;
if (d->repeat_max < 0)
d->repeat_max = std::numeric_limits<int>::max();
Q_EMIT repeatChanged(d->repeat_max);
}
bool AVPlayer::setExternalAudio(const QString &file)
{
// TODO: update statistics
int stream = currentAudioStream();
if (!isLoaded() && stream < 0)
stream = 0;
return setAudioStream(file, stream);
}
QString AVPlayer::externalAudio() const
{
return d->external_audio;
}
const QVariantList& AVPlayer::externalAudioTracks() const
{
return d->external_audio_tracks;
}
const QVariantList &AVPlayer::internalAudioTracks() const
{
return d->audio_tracks;
}
const QVariantList &AVPlayer::internalVideoTracks() const
{
return d->video_tracks;
}
bool AVPlayer::setAudioStream(const QString &file, int n)
{
QString path(file);
// QFile does not support "file:"
if (path.startsWith(QLatin1String("file:")))
path = Internal::Path::toLocal(path);
if (d->audio_track == n && d->external_audio == path)
return true;
const bool audio_changed = d->audio_demuxer.fileName() != path;
if (path.isEmpty()) {
if (isLoaded()) {
if (n >= d->demuxer.audioStreams().size()) {
qWarning("Invalid audio stream number %d/%d", n, d->demuxer.audioStreams().size()-1);
return false;
}
}
if (audio_changed) {
d->external_audio_tracks = QVariantList();
Q_EMIT externalAudioTracksChanged(d->external_audio_tracks);
}
} else {
if (!audio_changed && d->audio_demuxer.isLoaded()) {
if (n >= d->audio_demuxer.audioStreams().size()) {
qWarning("Invalid external audio stream number %d/%d", n, d->audio_demuxer.audioStreams().size()-1);
return false;
}
}
}
d->audio_track = n;
d->external_audio = path;
d->audio_demuxer.setMedia(d->external_audio);
struct scoped_pause {
scoped_pause() : was_paused(false), player(0) {}
void set(bool old, AVPlayer* p) {
was_paused = old;
player = p;
if (player)
player->pause(true);
}
~scoped_pause() {
if (player && !was_paused) {
player->pause(false);
}
}
bool was_paused;
AVPlayer* player;
};
scoped_pause sp;
if (!isPlaying()) {