bool Movie::saveFrame(AVPacket *frame)
{
bool saved = false;
if (m_hasAudio && frame->stream_index == m_audio->getStreamID())
{
// If it was an audio frame...
m_audio->pushFrame(frame);
saved = true;
}
else if (m_hasVideo && frame->stream_index == m_video->getStreamID())
{
// If it was a video frame...
m_video->pushFrame(frame);
saved = true;
}
else
{
if (usesDebugMessages())
std::cerr << "Movie::SaveFrame() - unknown packet stream id ("
<< frame->stream_index << ")\n";
}
return saved;
}
void Movie::draw(sf::RenderTarget& target, sf::RenderStates states) const
{
if (usesDebugMessages())
{
printWithTime("audio playing : " + ftostr(m_audio->getPlayingOffset().asSeconds()) + "s");
printWithTime("reference playing : " + ftostr(getPlayingOffset().asSeconds()) + "s");
}
states.transform *= getTransform();
m_video->draw(target, states);
}
bool Movie::openFromFile(const std::string& filename)
{
int err = 0;
bool preloaded = false;
// Make sure everything is cleaned before opening a new movie
stop();
close();
// Load all the decoders
av_register_all();
// Open the movie file
err = avformat_open_input(&m_avFormatCtx, filename.c_str(), NULL, NULL);
if (err != 0)
{
outputError(err, "unable to open file " + filename);
return false;
}
// Read the general movie informations
err = avformat_find_stream_info(m_avFormatCtx, NULL);
if (err < 0)
{
outputError(err);
close();
return false;
}
if (usesDebugMessages())
// Output the movie informations
av_dump_format(m_avFormatCtx, 0, filename.c_str(), 0);
// Perform the audio and video loading
m_hasVideo = m_video->initialize();
m_hasAudio = m_audio->initialize();
if (m_hasVideo)
{
preloaded = m_video->preLoad();
if (!preloaded) // Loading first frames failed
{
if (sfe::Movie::usesDebugMessages())
std::cerr << "Movie::OpenFromFile() - Movie_video::PreLoad() failed.\n";
}
}
return m_hasAudio || (m_hasVideo && preloaded);
}
void Movie::play(void)
{
if (m_status != Playing)
{
if (m_hasAudio)
{
sf::Time startOffset = m_audio->getPlayingOffset();
sf::Clock timer;
m_audio->play();
timer.restart();
while (startOffset == m_audio->getPlayingOffset() && timer.getElapsedTime() < sf::seconds(5))
sf::sleep(sf::milliseconds(1));
// Note: this is a workaround for SFML issue #201
// Audio initialization may silently fail and audio won't start playing
if (timer.getElapsedTime() >= sf::seconds(5))
std::cerr << "*** warning: Movie::play() - no audio progress for 5 sec, giving up on syncing" << std::endl;
m_progressAtPause = m_audio->getPlayingOffset();
}
m_overallTimer.restart();
IFVIDEO(m_video->play());
if (usesDebugMessages())
printWithTime("did start movie timer");
// Don't restart watch thread if we're resuming
if (m_status != Paused)
{
*m_shouldStopCond = 0;
m_shouldStopCond->restore();
m_watchThread.launch();
}
m_status = Playing;
}
}
