/*
- Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2017 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
#include "content_subtitle.h"
#include "dcp_decoder.h"
#include "image_decoder.h"
+#include "resampler.h"
+#include "compose.hpp"
#include <dcp/reel.h>
#include <dcp/reel_sound_asset.h>
#include <dcp/reel_subtitle_asset.h>
using boost::optional;
using boost::scoped_ptr;
-static bool
-has_video (Content* c)
-{
- return static_cast<bool>(c->video);
-}
-
-static bool
-has_audio (Content* c)
-{
- return static_cast<bool>(c->audio);
-}
-
-static bool
-has_subtitle (Content* c)
-{
- return static_cast<bool>(c->subtitle);
-}
-
Player::Player (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist)
: _film (film)
, _playlist (playlist)
set_video_container_size (_film->frame_size ());
film_changed (Film::AUDIO_PROCESSOR);
+
+ seek (DCPTime (), true);
}
void
decoder->audio->set_ignore ();
}
- if (decoder->audio && _fast) {
- decoder->audio->set_fast ();
- }
-
shared_ptr<DCPDecoder> dcp = dynamic_pointer_cast<DCPDecoder> (decoder);
if (dcp && _play_referenced) {
dcp->set_decode_referenced ();
}
}
+ BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
+ if (i->content->audio) {
+ BOOST_FOREACH (AudioStreamPtr j, i->content->audio->streams()) {
+ _stream_states[j] = StreamState (i, i->content->position ());
+ }
+ }
+ }
+
_have_valid_pieces = true;
}
}
shared_ptr<PlayerVideo>
-Player::black_player_video_frame (DCPTime time) const
+Player::black_player_video_frame () const
{
return shared_ptr<PlayerVideo> (
new PlayerVideo (
shared_ptr<const ImageProxy> (new RawImageProxy (_black_image)),
- time,
Crop (),
optional<double> (),
_video_container_size,
}
shared_ptr<Piece> earliest;
- DCPTime earliest_position;
+ DCPTime earliest_content;
+
BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
- DCPTime const t = i->content->position() + DCPTime (i->decoder->position(), i->frc);
- if (!earliest || t < earliest_position) {
- earliest_position = t;
- earliest = i;
+ if (!i->done) {
+ DCPTime const t = i->content->position() + DCPTime (i->decoder->position(), i->frc);
+ if (!earliest || t < earliest_content) {
+ earliest_content = t;
+ earliest = i;
+ }
}
}
if (!earliest) {
+ /* No more content; fill up to the length of our playlist with silent black */
+
+ DCPTime const length = _playlist->length ();
+
+ DCPTime const frame = DCPTime::from_frames (1, _film->video_frame_rate());
+ DCPTime from;
+ if (_last_time) {
+ from = _last_time.get() + frame;
+ }
+ for (DCPTime i = from; i < length; i += frame) {
+ Video (black_player_video_frame (), i);
+ }
+
+ DCPTime t = _last_audio_time;
+ while (t < length) {
+ DCPTime block = min (DCPTime::from_seconds (0.5), length - t);
+ Frame const samples = block.frames_round(_film->audio_frame_rate());
+ if (samples) {
+ shared_ptr<AudioBuffers> silence (new AudioBuffers (_film->audio_channels(), samples));
+ silence->make_silent ();
+ Audio (silence, t);
+ }
+ t += block;
+ }
+
return true;
}
- cout << "Pass " << earliest->content->path(0) << "\n";
- earliest->decoder->pass ();
+ earliest->done = earliest->decoder->pass ();
/* Emit any audio that is ready */
- pair<shared_ptr<AudioBuffers>, DCPTime> audio = _audio_merger.pull (earliest_position);
+ DCPTime pull_from = _playlist->length ();
+ for (map<AudioStreamPtr, StreamState>::const_iterator i = _stream_states.begin(); i != _stream_states.end(); ++i) {
+ if (!i->second.piece->done && i->second.last_push_end < pull_from) {
+ pull_from = i->second.last_push_end;
+ }
+ }
+
+// cout << "PULL " << to_string(pull_from) << "\n";
+ pair<shared_ptr<AudioBuffers>, DCPTime> audio = _audio_merger.pull (pull_from);
if (audio.first->frames() > 0) {
DCPOMATIC_ASSERT (audio.second >= _last_audio_time);
DCPTime t = _last_audio_time;
}
Audio (audio.first, audio.second);
- _last_audio_time = audio.second;
+ _last_audio_time = audio.second + DCPTime::from_frames(audio.first->frames(), _film->audio_frame_rate());
}
return false;
return;
}
+ FrameRateChange frc(piece->content->active_video_frame_rate(), _film->video_frame_rate());
+ if (frc.skip && (video.frame % 2) == 1) {
+ return;
+ }
+
/* Time and period of the frame we will emit */
- DCPTime const time = content_video_to_dcp (piece, video.frame.index());
+ DCPTime const time = content_video_to_dcp (piece, video.frame);
DCPTimePeriod const period (time, time + DCPTime::from_frames (1, _film->video_frame_rate()));
+ /* Discard if it's outside the content's period */
+ if (time < piece->content->position() || time >= piece->content->end()) {
+ return;
+ }
+
/* Get any subtitles */
optional<PositionImage> subtitles;
- BOOST_FOREACH (PlayerSubtitles i, _subtitles) {
+ for (list<pair<PlayerSubtitles, DCPTimePeriod> >::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
- if (!i.period.overlap (period)) {
+ if (!i->second.overlap (period)) {
continue;
}
list<PositionImage> sub_images;
/* Image subtitles */
- list<PositionImage> c = transform_image_subtitles (i.image);
+ list<PositionImage> c = transform_image_subtitles (i->first.image);
copy (c.begin(), c.end(), back_inserter (sub_images));
/* Text subtitles (rendered to an image) */
- if (!i.text.empty ()) {
- list<PositionImage> s = render_subtitles (i.text, i.fonts, _video_container_size, time);
+ if (!i->first.text.empty ()) {
+ list<PositionImage> s = render_subtitles (i->first.text, i->first.fonts, _video_container_size, time);
copy (s.begin (), s.end (), back_inserter (sub_images));
}
/* Fill gaps */
- if (_last_video_time) {
- for (DCPTime i = _last_video_time.get(); i < time; i += DCPTime::from_frames (1, _film->video_frame_rate())) {
+ if (_last_time) {
+ /* XXX: this may not work for 3D */
+ DCPTime const frame = DCPTime::from_frames (1, _film->video_frame_rate());
+ for (DCPTime i = _last_time.get() + frame; i < time; i += frame) {
if (_playlist->video_content_at(i) && _last_video) {
- Video (_last_video->clone (i));
+ Video (shared_ptr<PlayerVideo> (new PlayerVideo (*_last_video)), i);
} else {
- Video (black_player_video_frame (i));
+ Video (black_player_video_frame (), i);
}
}
}
_last_video.reset (
new PlayerVideo (
video.image,
- time,
piece->content->video->crop (),
- piece->content->video->fade (video.frame.index()),
+ piece->content->video->fade (video.frame),
piece->content->video->scale().size (
piece->content->video, _video_container_size, _film->frame_size ()
),
_video_container_size,
- video.frame.eyes(),
+ video.eyes,
video.part,
piece->content->video->colour_conversion ()
)
_last_video->set_subtitle (subtitles.get ());
}
- _last_video_time = time;
+ _last_time = time;
- cout << "Video @ " << to_string(_last_video_time.get()) << "\n";
- Video (_last_video);
+ Video (_last_video, *_last_time);
/* Discard any subtitles we no longer need */
- for (list<PlayerSubtitles>::iterator i = _subtitles.begin (); i != _subtitles.end(); ) {
- list<PlayerSubtitles>::iterator tmp = i;
+ for (list<pair<PlayerSubtitles, DCPTimePeriod> >::iterator i = _subtitles.begin (); i != _subtitles.end(); ) {
+ list<pair<PlayerSubtitles, DCPTimePeriod> >::iterator tmp = i;
++tmp;
- if (i->period.to < time) {
+ if (i->second.to < time) {
_subtitles.erase (i);
}
shared_ptr<AudioContent> content = piece->content->audio;
DCPOMATIC_ASSERT (content);
- shared_ptr<AudioBuffers> audio = content_audio.audio;
-
/* Gain */
if (content->gain() != 0) {
- shared_ptr<AudioBuffers> gain (new AudioBuffers (audio));
+ shared_ptr<AudioBuffers> gain (new AudioBuffers (content_audio.audio));
gain->apply_gain (content->gain ());
- audio = gain;
+ content_audio.audio = gain;
+ }
+
+ /* Resample */
+ if (stream->frame_rate() != content->resampled_frame_rate()) {
+ shared_ptr<Resampler> r = resampler (content, stream, true);
+ pair<shared_ptr<const AudioBuffers>, Frame> ro = r->run (content_audio.audio, content_audio.frame);
+ content_audio.audio = ro.first;
+ content_audio.frame = ro.second;
}
/* XXX: end-trimming used to be checked here */
/* Compute time in the DCP */
- DCPTime const time = resampled_audio_to_dcp (piece, content_audio.frame) + DCPTime::from_seconds (content->delay() / 1000);
+ DCPTime time = resampled_audio_to_dcp (piece, content_audio.frame) + DCPTime::from_seconds (content->delay() / 1000.0);
+
+ /* Remove anything that comes before the start of the content */
+ if (time < piece->content->position()) {
+ DCPTime const discard_time = piece->content->position() - time;
+ Frame discard_frames = discard_time.frames_round(_film->audio_frame_rate());
+ Frame remaining_frames = content_audio.audio->frames() - discard_frames;
+ if (remaining_frames <= 0) {
+ /* This audio is entirely discarded */
+ return;
+ }
+ shared_ptr<AudioBuffers> cut (new AudioBuffers (content_audio.audio->channels(), remaining_frames));
+ cut->copy_from (content_audio.audio.get(), remaining_frames, discard_frames, 0);
+ content_audio.audio = cut;
+ time += discard_time;
+ }
/* Remap channels */
- shared_ptr<AudioBuffers> dcp_mapped (new AudioBuffers (_film->audio_channels(), audio->frames()));
+ shared_ptr<AudioBuffers> dcp_mapped (new AudioBuffers (_film->audio_channels(), content_audio.audio->frames()));
dcp_mapped->make_silent ();
AudioMapping map = stream->mapping ();
for (int j = 0; j < dcp_mapped->channels(); ++j) {
if (map.get (i, static_cast<dcp::Channel> (j)) > 0) {
dcp_mapped->accumulate_channel (
- audio.get(),
+ content_audio.audio.get(),
i,
static_cast<dcp::Channel> (j),
map.get (i, static_cast<dcp::Channel> (j))
}
}
- audio = dcp_mapped;
+ content_audio.audio = dcp_mapped;
if (_audio_processor) {
- audio = _audio_processor->run (audio, _film->audio_channels ());
+ content_audio.audio = _audio_processor->run (content_audio.audio, _film->audio_channels ());
}
- _audio_merger.push (audio, time);
+// cout << "PUSH " << content_audio.audio->frames() << " @ " << to_string(time) << "\n";
+ _audio_merger.push (content_audio.audio, time);
+
+ DCPOMATIC_ASSERT (_stream_states.find (stream) != _stream_states.end ());
+ _stream_states[stream].last_push_end = time + DCPTime::from_frames (content_audio.audio->frames(), _film->audio_frame_rate());
}
void
PlayerSubtitles ps;
ps.image.push_back (subtitle.sub);
- ps.period = DCPTimePeriod (content_time_to_dcp (piece, subtitle.period().from), content_time_to_dcp (piece, subtitle.period().to));
+ DCPTimePeriod period (content_time_to_dcp (piece, subtitle.period().from), content_time_to_dcp (piece, subtitle.period().to));
if (piece->content->subtitle->use() && (piece->content->subtitle->burn() || _always_burn_subtitles)) {
- _subtitles.push_back (ps);
+ _subtitles.push_back (make_pair (ps, period));
} else {
- Subtitle (ps);
+ Subtitle (ps, period);
}
}
}
PlayerSubtitles ps;
+ DCPTimePeriod const period (content_time_to_dcp (piece, subtitle.period().from), content_time_to_dcp (piece, subtitle.period().to));
BOOST_FOREACH (dcp::SubtitleString s, subtitle.subs) {
s.set_h_position (s.h_position() + piece->content->subtitle->x_offset ());
s.set_aspect_adjust (xs / ys);
}
- ps.period = DCPTimePeriod (content_time_to_dcp (piece, subtitle.period().from), content_time_to_dcp (piece, subtitle.period().to));
-
- s.set_in (dcp::Time(ps.period.from.seconds(), 1000));
- s.set_out (dcp::Time(ps.period.to.seconds(), 1000));
+ s.set_in (dcp::Time(period.from.seconds(), 1000));
+ s.set_out (dcp::Time(period.to.seconds(), 1000));
ps.text.push_back (SubtitleString (s, piece->content->subtitle->outline_width()));
ps.add_fonts (piece->content->subtitle->fonts ());
}
if (piece->content->subtitle->use() && (piece->content->subtitle->burn() || _always_burn_subtitles)) {
- _subtitles.push_back (ps);
+ _subtitles.push_back (make_pair (ps, period));
} else {
- Subtitle (ps);
+ Subtitle (ps, period);
}
}
BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
if (i->content->position() <= time && time < i->content->end()) {
i->decoder->seek (dcp_to_content_time (i, time), accurate);
+ i->done = false;
}
}
if (accurate) {
- _last_video_time = time - DCPTime::from_frames (1, _film->video_frame_rate ());
+ _last_time = time - DCPTime::from_frames (1, _film->video_frame_rate ());
} else {
- _last_video_time = optional<DCPTime> ();
+ _last_time = optional<DCPTime> ();
+ }
+}
+
+shared_ptr<Resampler>
+Player::resampler (shared_ptr<const AudioContent> content, AudioStreamPtr stream, bool create)
+{
+ ResamplerMap::const_iterator i = _resamplers.find (make_pair (content, stream));
+ if (i != _resamplers.end ()) {
+ return i->second;
}
+
+ if (!create) {
+ return shared_ptr<Resampler> ();
+ }
+
+ LOG_GENERAL (
+ "Creating new resampler from %1 to %2 with %3 channels",
+ stream->frame_rate(),
+ content->resampled_frame_rate(),
+ stream->channels()
+ );
+
+ shared_ptr<Resampler> r (
+ new Resampler (stream->frame_rate(), content->resampled_frame_rate(), stream->channels())
+ );
+
+ _resamplers[make_pair(content, stream)] = r;
+ return r;
}