using std::list;
using std::cout;
+using std::vector;
using boost::shared_ptr;
using boost::weak_ptr;
using boost::dynamic_pointer_cast;
, _audio (true)
, _subtitles (true)
, _have_valid_decoders (false)
- , _video_sync (true)
{
_playlist->Changed.connect (bind (&Player::playlist_changed, this));
_playlist->ContentChanged.connect (bind (&Player::content_changed, this, _1, _2));
bool done = true;
- if (_video_decoder != _video_decoders.end ()) {
- if ((*_video_decoder)->pass ()) {
+ if (_video && _video_decoder < _video_decoders.size ()) {
+
+ /* Run video decoder; this may also produce audio */
+
+ if (_video_decoders[_video_decoder]->pass ()) {
_video_decoder++;
}
- if (_video_decoder != _video_decoders.end ()) {
+ if (_video_decoder < _video_decoders.size ()) {
+ done = false;
+ }
+
+ }
+
+ if (!_video && _audio && _playlist->audio_from() == Playlist::AUDIO_FFMPEG && _sequential_audio_decoder < _audio_decoders.size ()) {
+
+ /* We're not producing video, so we may need to run FFmpeg content to get the audio */
+
+ if (_audio_decoders[_sequential_audio_decoder]->pass ()) {
+ _sequential_audio_decoder++;
+ }
+
+ if (_sequential_audio_decoder < _audio_decoders.size ()) {
done = false;
}
+
}
- if (_playlist->audio_from() == Playlist::AUDIO_SNDFILE) {
- for (list<shared_ptr<SndfileDecoder> >::iterator i = _sndfile_decoders.begin(); i != _sndfile_decoders.end(); ++i) {
+ if (_audio && _playlist->audio_from() == Playlist::AUDIO_SNDFILE) {
+
+ /* We're getting audio from SndfileContent */
+
+ for (vector<shared_ptr<AudioDecoder> >::iterator i = _audio_decoders.begin(); i != _audio_decoders.end(); ++i) {
if (!(*i)->pass ()) {
done = false;
}
}
- Audio (_sndfile_buffers);
- _sndfile_buffers.reset ();
+ Audio (_audio_buffers, _audio_time.get());
+ _audio_buffers.reset ();
+ _audio_time = boost::none;
}
return done;
}
void
-Player::set_progress (shared_ptr<Job> job)
-{
- /* Assume progress can be divined from how far through the video we are */
-
- if (_video_decoder == _video_decoders.end() || !_playlist->video_length()) {
- return;
- }
-
- ContentVideoFrame p = 0;
- list<shared_ptr<VideoDecoder> >::iterator i = _video_decoders.begin ();
- while (i != _video_decoders.end() && i != _video_decoder) {
- p += (*i)->video_length ();
- }
-
- job->set_progress (float ((*_video_decoder)->video_frame ()) / _playlist->video_length ());
-}
-
-void
-Player::process_video (shared_ptr<Image> i, bool same, shared_ptr<Subtitle> s)
+Player::process_video (shared_ptr<const Image> i, bool same, shared_ptr<Subtitle> s, double t)
{
- Video (i, same, s);
+ Video (i, same, s, _video_start[_video_decoder] + t);
}
void
-Player::process_audio (weak_ptr<const AudioContent> c, shared_ptr<AudioBuffers> b)
+Player::process_audio (weak_ptr<const AudioContent> c, shared_ptr<const AudioBuffers> b, double t)
{
- if (_playlist->audio_from() == Playlist::AUDIO_SNDFILE) {
- AudioMapping mapping = _film->audio_mapping ();
- if (!_sndfile_buffers) {
- _sndfile_buffers.reset (new AudioBuffers (mapping.dcp_channels(), b->frames ()));
- _sndfile_buffers->make_silent ();
+ AudioMapping mapping = _film->audio_mapping ();
+ if (!_audio_buffers) {
+ _audio_buffers.reset (new AudioBuffers (mapping.dcp_channels(), b->frames ()));
+ _audio_buffers->make_silent ();
+ _audio_time = t;
+ if (_playlist->audio_from() == Playlist::AUDIO_FFMPEG) {
+ _audio_time = _audio_time.get() + _audio_start[_sequential_audio_decoder];
}
+ }
- for (int i = 0; i < b->channels(); ++i) {
- list<libdcp::Channel> dcp = mapping.content_to_dcp (AudioMapping::Channel (c, i));
- for (list<libdcp::Channel>::iterator j = dcp.begin(); j != dcp.end(); ++j) {
- _sndfile_buffers->accumulate (b, i, static_cast<int> (*j));
- }
+ for (int i = 0; i < b->channels(); ++i) {
+ list<libdcp::Channel> dcp = mapping.content_to_dcp (AudioMapping::Channel (c, i));
+ for (list<libdcp::Channel>::iterator j = dcp.begin(); j != dcp.end(); ++j) {
+ _audio_buffers->accumulate (b, i, static_cast<int> (*j));
}
+ }
- } else {
- Audio (b);
+ if (_playlist->audio_from() == Playlist::AUDIO_FFMPEG) {
+ /* We can just emit this audio now as it will all be here */
+ Audio (_audio_buffers, t);
+ _audio_buffers.reset ();
+ _audio_time = boost::none;
}
}
_have_valid_decoders = true;
}
+ if (_video_decoders.empty ()) {
+ return true;
+ }
+
/* Find the decoder that contains this position */
- _video_decoder = _video_decoders.begin ();
- while (_video_decoder != _video_decoders.end ()) {
- double const this_length = double ((*_video_decoder)->video_length()) / _film->video_frame_rate ();
- if (t < this_length) {
+ _video_decoder = 0;
+ while (1) {
+ ++_video_decoder;
+ if (_video_decoder >= _video_decoders.size () || t < _video_start[_video_decoder]) {
+ --_video_decoder;
+ t -= _video_start[_video_decoder];
break;
}
- t -= this_length;
- ++_video_decoder;
}
-
- if (_video_decoder != _video_decoders.end()) {
- (*_video_decoder)->seek (t);
+
+ if (_video_decoder < _video_decoders.size()) {
+ _video_decoders[_video_decoder]->seek (t);
} else {
return true;
}
return false;
}
+
+void
+Player::seek_back ()
+{
+ /* XXX */
+}
+
+void
+Player::seek_forward ()
+{
+ /* XXX */
+}
+
+
void
Player::setup_decoders ()
{
+ vector<shared_ptr<VideoDecoder> > old_video_decoders = _video_decoders;
+
_video_decoders.clear ();
- _video_decoder = _video_decoders.end ();
- _sndfile_decoders.clear ();
-
- if (_video) {
+ _video_decoder = 0;
+ _audio_decoders.clear ();
+ _sequential_audio_decoder = 0;
+
+ _video_start.clear();
+ _audio_start.clear();
+
+ double video_so_far = 0;
+ double audio_so_far = 0;
+
+ for (int l = 0; l < _playlist->loop(); ++l) {
list<shared_ptr<const VideoContent> > vc = _playlist->video ();
for (list<shared_ptr<const VideoContent> >::iterator i = vc.begin(); i != vc.end(); ++i) {
-
- shared_ptr<VideoDecoder> d;
+
+ shared_ptr<const VideoContent> video_content;
+ shared_ptr<const AudioContent> audio_content;
+ shared_ptr<VideoDecoder> video_decoder;
+ shared_ptr<AudioDecoder> audio_decoder;
/* XXX: into content? */
new FFmpegDecoder (
_film, fc, _video,
_audio && _playlist->audio_from() == Playlist::AUDIO_FFMPEG,
- _subtitles && _film->with_subtitles(),
- _video_sync
+ _subtitles
)
);
+
+ video_content = fc;
+ audio_content = fc;
+ video_decoder = fd;
+ audio_decoder = fd;
- if (_playlist->audio_from() == Playlist::AUDIO_FFMPEG) {
- fd->Audio.connect (bind (&Player::process_audio, this, fc, _1));
- }
-
- d = fd;
+ video_decoder->connect_video (shared_from_this ());
}
-
+
shared_ptr<const ImageMagickContent> ic = dynamic_pointer_cast<const ImageMagickContent> (*i);
if (ic) {
- d.reset (new ImageMagickDecoder (_film, ic));
- }
+ video_content = ic;
+
+ /* See if we can re-use an old ImageMagickDecoder */
+ for (vector<shared_ptr<VideoDecoder> >::const_iterator i = old_video_decoders.begin(); i != old_video_decoders.end(); ++i) {
+ shared_ptr<ImageMagickDecoder> imd = dynamic_pointer_cast<ImageMagickDecoder> (*i);
+ if (imd && imd->content() == ic) {
+ video_decoder = *i;
+ }
+ }
- d->connect_video (shared_from_this ());
- _video_decoders.push_back (d);
+ if (!video_decoder) {
+ video_decoder.reset (new ImageMagickDecoder (_film, ic));
+ video_decoder->connect_video (shared_from_this ());
+ }
+ }
+
+ _video_decoders.push_back (video_decoder);
+ _video_start.push_back (video_so_far);
+ video_so_far += video_content->video_length() / video_content->video_frame_rate();
+
+ if (audio_decoder && _playlist->audio_from() == Playlist::AUDIO_FFMPEG) {
+ audio_decoder->Audio.connect (bind (&Player::process_audio, this, audio_content, _1, _2));
+ _audio_decoders.push_back (audio_decoder);
+ _audio_start.push_back (audio_so_far);
+ audio_so_far += double(audio_content->audio_length()) / audio_content->audio_frame_rate();
+ }
}
-
- _video_decoder = _video_decoders.begin ();
- }
-
- if (_audio && _playlist->audio_from() == Playlist::AUDIO_SNDFILE) {
- list<shared_ptr<const SndfileContent> > sc = _playlist->sndfile ();
- for (list<shared_ptr<const SndfileContent> >::iterator i = sc.begin(); i != sc.end(); ++i) {
- shared_ptr<SndfileDecoder> d (new SndfileDecoder (_film, *i));
- _sndfile_decoders.push_back (d);
- d->Audio.connect (bind (&Player::process_audio, this, *i, _1));
+
+ _video_decoder = 0;
+ _sequential_audio_decoder = 0;
+
+ if (_playlist->audio_from() == Playlist::AUDIO_SNDFILE) {
+
+ list<shared_ptr<const AudioContent> > ac = _playlist->audio ();
+ for (list<shared_ptr<const AudioContent> >::iterator i = ac.begin(); i != ac.end(); ++i) {
+
+ shared_ptr<const SndfileContent> sc = dynamic_pointer_cast<const SndfileContent> (*i);
+ assert (sc);
+
+ shared_ptr<AudioDecoder> d (new SndfileDecoder (_film, sc));
+ d->Audio.connect (bind (&Player::process_audio, this, sc, _1, _2));
+ _audio_decoders.push_back (d);
+ _audio_start.push_back (audio_so_far);
+ }
}
}
}
-void
-Player::disable_video_sync ()
-{
- _video_sync = false;
-}
-
double
Player::last_video_time () const
{
- double t = 0;
- for (list<shared_ptr<VideoDecoder> >::const_iterator i = _video_decoders.begin(); i != _video_decoder; ++i) {
- t += (*i)->video_length() / (*i)->video_frame_rate ();
+ if (_video_decoder >= _video_decoders.size ()) {
+ return 0;
}
-
- return t + (*_video_decoder)->last_content_time ();
+
+ return _video_start[_video_decoder] + _video_decoders[_video_decoder]->last_content_time ();
}
void
}
if (p == VideoContentProperty::VIDEO_LENGTH) {
- if (dynamic_pointer_cast<FFmpegContent> (c)) {
- /* FFmpeg content length changes are serious; we need new decoders */
- _have_valid_decoders = false;
- }
+ _have_valid_decoders = false;
}
}
projects / dcpomatic.git / blobdiff