-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
/*
Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
using std::list;
using std::cout;
using std::min;
+using std::max;
using std::vector;
using boost::shared_ptr;
using boost::weak_ptr;
, _subtitles (true)
, _have_valid_pieces (false)
, _position (0)
- , _audio_buffers (MAX_AUDIO_CHANNELS, 0)
+ , _audio_buffers (f->dcp_audio_channels(), 0)
, _next_audio (0)
{
_playlist->Changed.connect (bind (&Player::playlist_changed, this));
shared_ptr<Piece> earliest;
for (list<shared_ptr<Piece> >::iterator i = _pieces.begin(); i != _pieces.end(); ++i) {
- if ((*i)->content->end() < _position) {
+// cout << "check " << (*i)->content->file() << " start=" << (*i)->content->start() << ", next=" << (*i)->decoder->next() << ", end=" << (*i)->content->end() << "\n";
+ if (((*i)->decoder->next() + (*i)->content->start()) >= (*i)->content->end()) {
+ continue;
+ }
+
+ if (!_audio && dynamic_pointer_cast<AudioDecoder> ((*i)->decoder) && !dynamic_pointer_cast<VideoDecoder> ((*i)->decoder)) {
continue;
}
Time const t = (*i)->content->start() + (*i)->decoder->next();
if (t < earliest_t) {
+// cout << "\t candidate; " << t << " " << (t / TIME_HZ) << ".\n";
earliest_t = t;
earliest = *i;
}
return true;
}
- earliest->decoder->pass ();
-
- /* Move position to earliest active next emission */
-
- for (list<shared_ptr<Piece> >::iterator i = _pieces.begin(); i != _pieces.end(); ++i) {
- if ((*i)->content->end() < _position) {
- continue;
- }
-
- Time const t = (*i)->content->start() + (*i)->decoder->next();
-
- if (t < _position) {
- _position = t;
- }
+ cout << "PASS:\n";
+ cout << "\tpass " << earliest->content->file() << " ";
+ if (dynamic_pointer_cast<FFmpegContent> (earliest->content)) {
+ cout << " FFmpeg.\n";
+ } else if (dynamic_pointer_cast<ImageMagickContent> (earliest->content)) {
+ cout << " ImageMagickContent.\n";
+ } else if (dynamic_pointer_cast<SndfileContent> (earliest->content)) {
+ cout << " SndfileContent.\n";
+ } else if (dynamic_pointer_cast<BlackDecoder> (earliest->decoder)) {
+ cout << " Black.\n";
+ } else if (dynamic_pointer_cast<SilenceDecoder> (earliest->decoder)) {
+ cout << " Silence.\n";
}
+
+ earliest->decoder->pass ();
+ _position = earliest->content->start() + earliest->decoder->next ();
+ cout << "\tpassed to " << _position << " " << (_position / TIME_HZ) << "\n";
return false;
}
return;
}
- /* XXX: mapping */
-
/* The time of this audio may indicate that some of our buffered audio is not going to
be added to any more, so it can be emitted.
*/
if (time > _next_audio) {
/* We can emit some audio from our buffers */
- OutputAudioFrame const N = min (_film->time_to_audio_frames (time - _next_audio), static_cast<OutputAudioFrame> (_audio_buffers.frames()));
+ OutputAudioFrame const N = _film->time_to_audio_frames (time - _next_audio);
+ assert (N <= _audio_buffers.frames());
shared_ptr<AudioBuffers> emit (new AudioBuffers (_audio_buffers.channels(), N));
emit->copy_from (&_audio_buffers, N, 0, 0);
Audio (emit, _next_audio);
}
/* Now accumulate the new audio into our buffers */
- _audio_buffers.ensure_size (time - _next_audio + audio->frames());
- _audio_buffers.accumulate (audio.get(), 0, _film->time_to_audio_frames (time - _next_audio));
+ _audio_buffers.ensure_size (_audio_buffers.frames() + audio->frames());
+ _audio_buffers.accumulate_frames (audio.get(), 0, 0, audio->frames ());
+ _audio_buffers.set_frames (_audio_buffers.frames() + audio->frames());
}
/** @return true on error */
return;
}
- for (list<shared_ptr<Piece> >::iterator i = _pieces.begin(); i != _pieces.end(); ++i) {
-
- if ((*i)->content->start() > t || (*i)->content->end() <= t) {
- continue;
- }
+// cout << "seek to " << t << " " << (t / TIME_HZ) << "\n";
- (*i)->decoder->seek (t - (*i)->content->start());
+ for (list<shared_ptr<Piece> >::iterator i = _pieces.begin(); i != _pieces.end(); ++i) {
+ Time s = t - (*i)->content->start ();
+ s = max (static_cast<Time> (0), s);
+ s = min ((*i)->content->length(), s);
+// cout << "seek [" << (*i)->content->file() << "," << (*i)->content->start() << "," << (*i)->content->end() << "] to " << s << "\n";
+ (*i)->decoder->seek (s);
}
- _position = t;
-
/* XXX: don't seek audio because we don't need to... */
}
void
Player::seek_back ()
{
- /* XXX */
+
}
void
Player::seek_forward ()
{
- /* XXX */
+
}
-struct ContentSorter
+void
+Player::add_black_piece (Time s, Time len)
{
- bool operator() (shared_ptr<Content> a, shared_ptr<Content> b)
- {
- return a->start() < b->start();
- }
-};
+ shared_ptr<NullContent> nc (new NullContent (_film, s, len));
+ shared_ptr<BlackDecoder> bd (new BlackDecoder (_film, nc));
+ bd->Video.connect (bind (&Player::process_video, this, nc, _1, _2, _3, _4));
+ _pieces.push_back (shared_ptr<Piece> (new Piece (nc, bd)));
+ cout << "\tblack @ " << s << " -- " << (s + len) << "\n";
+}
+
+void
+Player::add_silent_piece (Time s, Time len)
+{
+ shared_ptr<NullContent> nc (new NullContent (_film, s, len));
+ shared_ptr<SilenceDecoder> sd (new SilenceDecoder (_film, nc));
+ sd->Audio.connect (bind (&Player::process_audio, this, nc, _1, _2));
+ _pieces.push_back (shared_ptr<Piece> (new Piece (nc, sd)));
+ cout << "\tsilence @ " << s << " -- " << (s + len) << "\n";
+}
+
void
Player::setup_pieces ()
{
+ cout << "----- Player SETUP PIECES.\n";
+
list<shared_ptr<Piece> > old_pieces = _pieces;
_pieces.clear ();
fd->Audio.connect (bind (&Player::process_audio, this, *i, _1, _2));
decoder = fd;
+ cout << "\tFFmpeg @ " << fc->start() << " -- " << fc->end() << "\n";
}
shared_ptr<const ImageMagickContent> ic = dynamic_pointer_cast<const ImageMagickContent> (*i);
}
decoder = id;
+ cout << "\tImageMagick @ " << ic->start() << " -- " << ic->end() << "\n";
}
shared_ptr<const SndfileContent> sc = dynamic_pointer_cast<const SndfileContent> (*i);
sd->Audio.connect (bind (&Player::process_audio, this, *i, _1, _2));
decoder = sd;
+ cout << "\tSndfile @ " << sc->start() << " -- " << sc->end() << "\n";
}
_pieces.push_back (shared_ptr<Piece> (new Piece (*i, decoder)));
if (dynamic_pointer_cast<VideoContent> ((*i)->content)) {
Time const diff = (*i)->content->start() - video_pos;
if (diff > 0) {
- shared_ptr<NullContent> nc (new NullContent (_film, video_pos, diff));
- shared_ptr<BlackDecoder> bd (new BlackDecoder (_film, nc));
- bd->Video.connect (bind (&Player::process_video, this, nc, _1, _2, _3, _4));
- _pieces.push_back (shared_ptr<Piece> (new Piece (nc, bd)));
+ add_black_piece (video_pos, diff);
}
-
video_pos = (*i)->content->end();
- } else {
+ }
+
+ shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> ((*i)->content);
+ if (ac && ac->audio_channels()) {
Time const diff = (*i)->content->start() - audio_pos;
if (diff > 0) {
- shared_ptr<NullContent> nc (new NullContent (_film, audio_pos, diff));
- shared_ptr<SilenceDecoder> sd (new SilenceDecoder (_film, nc));
- sd->Audio.connect (bind (&Player::process_audio, this, nc, _1, _2));
- _pieces.push_back (shared_ptr<Piece> (new Piece (nc, sd)));
+ add_silent_piece (video_pos, diff);
}
audio_pos = (*i)->content->end();
}
}
- _position = 0;
+ if (video_pos < audio_pos) {
+ add_black_piece (video_pos, audio_pos - video_pos);
+ } else if (audio_pos < video_pos) {
+ add_silent_piece (audio_pos, video_pos - audio_pos);
+ }
}
void
return;
}
- if (p == ContentProperty::START || p == VideoContentProperty::VIDEO_LENGTH) {
+ if (p == ContentProperty::START || p == ContentProperty::LENGTH) {
_have_valid_pieces = false;
}
}