/*
- Copyright (C) 2013-2017 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2018 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 "shuffler.h"
#include <dcp/reel.h>
#include <dcp/reel_sound_asset.h>
#include <dcp/reel_subtitle_asset.h>
using boost::optional;
using boost::scoped_ptr;
+int const PlayerProperty::VIDEO_CONTAINER_SIZE = 700;
+int const PlayerProperty::PLAYLIST = 701;
+int const PlayerProperty::FILM_CONTAINER = 702;
+int const PlayerProperty::FILM_VIDEO_FRAME_RATE = 703;
+int const PlayerProperty::DCP_DECODE_REDUCTION = 704;
+
Player::Player (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist)
: _film (film)
, _playlist (playlist)
, _have_valid_pieces (false)
, _ignore_video (false)
- , _ignore_audio (false)
+ , _ignore_subtitle (false)
, _always_burn_subtitles (false)
, _fast (false)
, _play_referenced (false)
, _audio_merger (_film->audio_frame_rate())
+ , _shuffler (0)
{
_film_changed_connection = _film->Changed.connect (bind (&Player::film_changed, this, _1));
_playlist_changed_connection = _playlist->Changed.connect (bind (&Player::playlist_changed, this));
seek (DCPTime (), true);
}
+Player::~Player ()
+{
+ delete _shuffler;
+}
+
void
Player::setup_pieces ()
{
_pieces.clear ();
+ delete _shuffler;
+ _shuffler = new Shuffler();
+ _shuffler->Video.connect(bind(&Player::video, this, _1, _2));
+
BOOST_FOREACH (shared_ptr<Content> i, _playlist->content ()) {
if (!i->paths_valid ()) {
continue;
}
- shared_ptr<Decoder> decoder = decoder_factory (i, _film->log());
+ shared_ptr<Decoder> decoder = decoder_factory (i, _film->log(), _fast);
FrameRateChange frc (i->active_video_frame_rate(), _film->video_frame_rate());
if (!decoder) {
}
if (decoder->video && _ignore_video) {
- decoder->video->set_ignore ();
+ decoder->video->set_ignore (true);
}
- if (decoder->audio && _ignore_audio) {
- decoder->audio->set_ignore ();
+ if (decoder->subtitle && _ignore_subtitle) {
+ decoder->subtitle->set_ignore (true);
}
shared_ptr<DCPDecoder> dcp = dynamic_pointer_cast<DCPDecoder> (decoder);
- if (dcp && _play_referenced) {
- dcp->set_decode_referenced ();
+ if (dcp) {
+ dcp->set_decode_referenced (_play_referenced);
+ if (_play_referenced) {
+ dcp->set_forced_reduction (_dcp_decode_reduction);
+ }
}
shared_ptr<Piece> piece (new Piece (i, decoder, frc));
_pieces.push_back (piece);
if (decoder->video) {
- decoder->video->Data.connect (bind (&Player::video, this, weak_ptr<Piece> (piece), _1));
+ if (i->video->frame_type() == VIDEO_FRAME_TYPE_3D_LEFT || i->video->frame_type() == VIDEO_FRAME_TYPE_3D_RIGHT) {
+ /* We need a Shuffler to cope with 3D L/R video data arriving out of sequence */
+ decoder->video->Data.connect (bind (&Shuffler::video, _shuffler, weak_ptr<Piece>(piece), _1));
+ } else {
+ decoder->video->Data.connect (bind (&Player::video, this, weak_ptr<Piece>(piece), _1));
+ }
}
if (decoder->audio) {
}
}
+ _stream_states.clear ();
BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
if (i->content->audio) {
BOOST_FOREACH (AudioStreamPtr j, i->content->audio->streams()) {
}
}
- if (!_play_referenced) {
- BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
- shared_ptr<DCPContent> dc = dynamic_pointer_cast<DCPContent> (i->content);
- if (dc) {
- if (dc->reference_video()) {
- _no_video.push_back (DCPTimePeriod (dc->position(), dc->end()));
- }
- if (dc->reference_audio()) {
- _no_audio.push_back (DCPTimePeriod (dc->position(), dc->end()));
- }
- }
- }
- }
+ _black = Empty (_film->content(), _film->length(), bind(&Content::video, _1));
+ _silent = Empty (_film->content(), _film->length(), bind(&Content::audio, _1));
_last_video_time = DCPTime ();
+ _last_video_eyes = EYES_BOTH;
_last_audio_time = DCPTime ();
_have_valid_pieces = true;
}
property == DCPContentProperty::NEEDS_ASSETS ||
property == DCPContentProperty::NEEDS_KDM ||
property == SubtitleContentProperty::COLOUR ||
- property == SubtitleContentProperty::OUTLINE ||
- property == SubtitleContentProperty::SHADOW ||
+ property == SubtitleContentProperty::EFFECT ||
property == SubtitleContentProperty::EFFECT_COLOUR ||
property == FFmpegContentProperty::SUBTITLE_STREAM ||
+ property == FFmpegContentProperty::FILTERS ||
property == VideoContentProperty::COLOUR_CONVERSION
) {
_have_valid_pieces = false;
- Changed (frequent);
+ Changed (property, frequent);
} else if (
property == SubtitleContentProperty::LINE_SPACING ||
property == VideoContentProperty::FADE_OUT
) {
- Changed (frequent);
+ Changed (property, frequent);
}
}
_black_image.reset (new Image (AV_PIX_FMT_RGB24, _video_container_size, true));
_black_image->make_black ();
- Changed (false);
+ Changed (PlayerProperty::VIDEO_CONTAINER_SIZE, false);
}
void
Player::playlist_changed ()
{
_have_valid_pieces = false;
- Changed (false);
+ Changed (PlayerProperty::PLAYLIST, false);
}
void
*/
if (p == Film::CONTAINER) {
- Changed (false);
+ Changed (PlayerProperty::FILM_CONTAINER, false);
} else if (p == Film::VIDEO_FRAME_RATE) {
/* Pieces contain a FrameRateChange which contains the DCP frame rate,
so we need new pieces here.
*/
_have_valid_pieces = false;
- Changed (false);
+ Changed (PlayerProperty::FILM_VIDEO_FRAME_RATE, false);
} else if (p == Film::AUDIO_PROCESSOR) {
if (_film->audio_processor ()) {
_audio_processor = _film->audio_processor()->clone (_film->audio_frame_rate ());
}
+ } else if (p == Film::AUDIO_CHANNELS) {
+ _audio_merger.clear ();
}
}
}
shared_ptr<PlayerVideo>
-Player::black_player_video_frame () const
+Player::black_player_video_frame (Eyes eyes) const
{
return shared_ptr<PlayerVideo> (
new PlayerVideo (
optional<double> (),
_video_container_size,
_video_container_size,
- EYES_BOTH,
+ eyes,
PART_WHOLE,
- PresetColourConversion::all().front().conversion
+ PresetColourConversion::all().front().conversion,
+ boost::weak_ptr<Content>(),
+ boost::optional<Frame>()
)
);
}
Player::content_video_to_dcp (shared_ptr<const Piece> piece, Frame f) const
{
/* See comment in dcp_to_content_video */
- DCPTime const d = DCPTime::from_frames (f * piece->frc.factor(), piece->frc.dcp) - DCPTime (piece->content->trim_start (), piece->frc);
- return max (DCPTime (), d + piece->content->position ());
+ DCPTime const d = DCPTime::from_frames (f * piece->frc.factor(), piece->frc.dcp) - DCPTime(piece->content->trim_start(), piece->frc);
+ return d + piece->content->position();
}
Frame
Player::resampled_audio_to_dcp (shared_ptr<const Piece> piece, Frame f) const
{
/* See comment in dcp_to_content_video */
- DCPTime const d = DCPTime::from_frames (f, _film->audio_frame_rate()) - DCPTime (piece->content->trim_start(), piece->frc);
- return max (DCPTime (), d + piece->content->position ());
+ return DCPTime::from_frames (f, _film->audio_frame_rate())
+ - DCPTime (piece->content->trim_start(), piece->frc)
+ + piece->content->position();
}
ContentTime
_ignore_video = true;
}
+void
+Player::set_ignore_subtitle ()
+{
+ _ignore_subtitle = true;
+}
+
/** Set whether or not this player should always burn text subtitles into the image,
* regardless of the content settings.
* @param burn true to always burn subtitles, false to obey content settings.
_always_burn_subtitles = burn;
}
+/** Sets up the player to be faster, possibly at the expense of quality */
void
Player::set_fast ()
{
scoped_ptr<DCPDecoder> decoder;
try {
- decoder.reset (new DCPDecoder (j, _film->log()));
+ decoder.reset (new DCPDecoder (j, _film->log(), false));
} catch (...) {
return a;
}
setup_pieces ();
}
- shared_ptr<Piece> earliest;
- DCPTime earliest_content;
+ if (_playlist->length() == DCPTime()) {
+ /* Special case of an empty Film; just give one black frame */
+ emit_video (black_player_video_frame(EYES_BOTH), DCPTime());
+ return true;
+ }
+
+ /* Find the decoder or empty which is farthest behind where we are and make it emit some data */
+
+ shared_ptr<Piece> earliest_content;
+ optional<DCPTime> earliest_time;
BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
- if (!i->done) {
- DCPTime const t = content_time_to_dcp (i, i->decoder->position());
- if (!earliest || t < earliest_content) {
- earliest_content = t;
- earliest = i;
+ if (i->done) {
+ continue;
+ }
+
+ DCPTime const t = content_time_to_dcp (i, i->decoder->position());
+ if (t > i->content->end()) {
+ i->done = true;
+ } else {
+
+ /* Given two choices at the same time, pick the one with a subtitle so we see it before
+ the video.
+ */
+ if (!earliest_time || t < *earliest_time || (t == *earliest_time && i->decoder->subtitle)) {
+ earliest_time = t;
+ earliest_content = i;
}
}
}
- /* Fill towards the next thing that might happen (or the end of the playlist). This is to fill gaps between content,
- NOT to fill gaps within content (the latter is done in ::video())
- */
- DCPTime fill_towards = earliest ? earliest_content : _playlist->length().ceil(_film->video_frame_rate());
+ bool done = false;
- /* Work out where to fill video from */
- optional<DCPTime> video_fill_from;
- if (_last_video_time) {
- /* Fill from the last video or seek time */
- video_fill_from = _last_video_time;
- }
+ enum {
+ NONE,
+ CONTENT,
+ BLACK,
+ SILENT
+ } which = NONE;
- bool filled = false;
- /* Fill some black if we would emit before the earliest piece of content. This is so we act like a phantom
- Piece which emits black in spaces (we only emit if we are the earliest thing)
- */
- if (video_fill_from && (!earliest || *video_fill_from < earliest_content) && ((fill_towards - *video_fill_from)) >= one_video_frame()) {
- list<DCPTimePeriod> p = subtract(DCPTimePeriod(*video_fill_from, *video_fill_from + one_video_frame()), _no_video);
- if (!p.empty ()) {
- emit_video (black_player_video_frame(), p.front().from);
- filled = true;
- }
- } else if (_playlist->length() == DCPTime()) {
- /* Special case of an empty Film; just give one black frame */
- emit_video (black_player_video_frame(), DCPTime());
- filled = true;
+ if (earliest_content) {
+ which = CONTENT;
}
- optional<DCPTime> audio_fill_from;
- if (_last_audio_time) {
- /* Fill from the last audio or seek time */
- audio_fill_from = _last_audio_time;
+ if (!_black.done() && (!earliest_time || _black.position() < *earliest_time)) {
+ earliest_time = _black.position ();
+ which = BLACK;
}
- DCPTime audio_fill_towards = fill_towards;
- if (earliest && earliest->content->audio) {
- audio_fill_towards += DCPTime::from_seconds (earliest->content->audio->delay() / 1000.0);
+ if (!_silent.done() && (!earliest_time || _silent.position() < *earliest_time)) {
+ earliest_time = _silent.position ();
+ which = SILENT;
}
- if (audio_fill_from && audio_fill_from < audio_fill_towards) {
- DCPTimePeriod period (*audio_fill_from, audio_fill_towards);
+ switch (which) {
+ case CONTENT:
+ earliest_content->done = earliest_content->decoder->pass ();
+ break;
+ case BLACK:
+ emit_video (black_player_video_frame(EYES_BOTH), _black.position());
+ _black.set_position (_black.position() + one_video_frame());
+ break;
+ case SILENT:
+ {
+ DCPTimePeriod period (_silent.period_at_position());
+ if (_last_audio_time) {
+ /* Sometimes the thing that happened last finishes fractionally before
+ this silence. Bodge the start time of the silence to fix it. I'm
+ not sure if this is the right solution --- maybe the last thing should
+ be padded `forward' rather than this thing padding `back'.
+ */
+ period.from = min(period.from, *_last_audio_time);
+ }
if (period.duration() > one_video_frame()) {
period.to = period.from + one_video_frame();
}
- list<DCPTimePeriod> p = subtract(period, _no_audio);
- if (!p.empty ()) {
- fill_audio (p.front());
- filled = true;
- }
+ fill_audio (period);
+ _silent.set_position (period.to);
+ break;
}
-
- if (earliest) {
- earliest->done = earliest->decoder->pass ();
- if (earliest->done && earliest->content->audio) {
- /* Flush the Player audio system for this piece */
- BOOST_FOREACH (AudioStreamPtr i, earliest->content->audio->streams()) {
- audio_flush (earliest, i);
- }
- }
+ case NONE:
+ done = true;
+ break;
}
/* Emit any audio that is ready */
- DCPTime pull_to = _playlist->length ();
+ /* Work out the time before which the audio is definitely all here. This is the earliest last_push_end of one
+ of our streams, or the position of the _silent.
+ */
+ DCPTime pull_to = _film->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_to) {
pull_to = i->second.last_push_end;
}
}
+ if (!_silent.done() && _silent.position() < pull_to) {
+ pull_to = _silent.position();
+ }
list<pair<shared_ptr<AudioBuffers>, DCPTime> > audio = _audio_merger.pull (pull_to);
for (list<pair<shared_ptr<AudioBuffers>, DCPTime> >::iterator i = audio.begin(); i != audio.end(); ++i) {
if (_last_audio_time && i->second < *_last_audio_time) {
- /* There has been an accurate seek and we have received some audio before the seek time;
- discard it.
- */
+ /* This new data comes before the last we emitted (or the last seek); discard it */
pair<shared_ptr<AudioBuffers>, DCPTime> cut = discard_audio (i->first, i->second, *_last_audio_time);
if (!cut.first) {
continue;
}
*i = cut;
- }
-
- if (_last_audio_time) {
+ } else if (_last_audio_time && i->second > *_last_audio_time) {
+ /* There's a gap between this data and the last we emitted; fill with silence */
fill_audio (DCPTimePeriod (*_last_audio_time, i->second));
}
emit_audio (i->first, i->second);
}
- return !earliest && !filled;
+ if (done) {
+ _shuffler->flush ();
+ for (list<pair<shared_ptr<PlayerVideo>, DCPTime> >::const_iterator i = _delay.begin(); i != _delay.end(); ++i) {
+ do_emit_video(i->first, i->second);
+ }
+ }
+
+ return done;
}
optional<PositionImage>
{
list<PositionImage> subtitles;
- BOOST_FOREACH (PlayerSubtitles i, _active_subtitles.get_burnt (time, _always_burn_subtitles)) {
+ int const vfr = _film->video_frame_rate();
+
+ BOOST_FOREACH (PlayerSubtitles i, _active_subtitles.get_burnt (DCPTimePeriod(time, time + DCPTime::from_frames(1, vfr)), _always_burn_subtitles)) {
/* Image subtitles */
list<PositionImage> c = transform_image_subtitles (i.image);
/* Text subtitles (rendered to an image) */
if (!i.text.empty ()) {
- list<PositionImage> s = render_subtitles (i.text, i.fonts, _video_container_size, time);
+ list<PositionImage> s = render_subtitles (i.text, i.fonts, _video_container_size, time, vfr);
copy (s.begin(), s.end(), back_inserter (subtitles));
}
}
return;
}
- /* Time and period of the frame we will emit */
+ /* Time of the first frame we will emit */
DCPTime const time = content_video_to_dcp (piece, video.frame);
- DCPTimePeriod const period (time, time + one_video_frame());
- /* Discard if it's outside the content's period or if it's before the last accurate seek */
- if (
- time < piece->content->position() ||
- time >= piece->content->end() ||
- (_last_video_time && time < *_last_video_time)) {
+ /* Discard if it's before the content's period or the last accurate seek. We can't discard
+ if it's after the content's period here as in that case we still need to fill any gap between
+ `now' and the end of the content's period.
+ */
+ if (time < piece->content->position() || (_last_video_time && time < *_last_video_time)) {
return;
}
- /* Fill gaps that we discover now that we have some video which needs to be emitted */
+ /* Fill gaps that we discover now that we have some video which needs to be emitted.
+ This is where we need to fill to.
+ */
+ DCPTime fill_to = min (time, piece->content->end());
- optional<DCPTime> fill_to;
if (_last_video_time) {
- fill_to = _last_video_time;
- }
-
- if (fill_to) {
- /* XXX: this may not work for 3D */
- BOOST_FOREACH (DCPTimePeriod i, subtract(DCPTimePeriod (*fill_to, time), _no_video)) {
- for (DCPTime j = i.from; j < i.to; j += one_video_frame()) {
- LastVideoMap::const_iterator k = _last_video.find (wp);
- if (k != _last_video.end ()) {
- emit_video (k->second, j);
+ DCPTime fill_from = max (*_last_video_time, piece->content->position());
+ LastVideoMap::const_iterator last = _last_video.find (wp);
+ if (_film->three_d()) {
+ DCPTime j = fill_from;
+ Eyes eyes = _last_video_eyes.get_value_or(EYES_LEFT);
+ if (eyes == EYES_BOTH) {
+ eyes = EYES_LEFT;
+ }
+ while (j < fill_to || eyes != video.eyes) {
+ if (last != _last_video.end()) {
+ shared_ptr<PlayerVideo> copy = last->second->shallow_copy();
+ copy->set_eyes (eyes);
+ emit_video (copy, j);
} else {
- emit_video (black_player_video_frame(), j);
+ emit_video (black_player_video_frame(eyes), j);
+ }
+ if (eyes == EYES_RIGHT) {
+ j += one_video_frame();
+ }
+ eyes = increment_eyes (eyes);
+ }
+ } else {
+ for (DCPTime j = fill_from; j < fill_to; j += one_video_frame()) {
+ if (last != _last_video.end()) {
+ emit_video (last->second, j);
+ } else {
+ emit_video (black_player_video_frame(EYES_BOTH), j);
}
}
}
_video_container_size,
video.eyes,
video.part,
- piece->content->video->colour_conversion ()
+ piece->content->video->colour_conversion(),
+ piece->content,
+ video.frame
)
);
- emit_video (_last_video[wp], time);
-}
-
-void
-Player::audio_flush (shared_ptr<Piece> piece, AudioStreamPtr stream)
-{
- shared_ptr<AudioContent> content = piece->content->audio;
- DCPOMATIC_ASSERT (content);
-
- shared_ptr<Resampler> r = resampler (content, stream, false);
- if (!r) {
- return;
- }
-
- pair<shared_ptr<const AudioBuffers>, Frame> ro = r->flush ();
- if (ro.first->frames() == 0) {
- return;
- }
-
- ContentAudio content_audio;
- content_audio.audio = ro.first;
- content_audio.frame = ro.second;
-
- /* Compute time in the DCP */
- DCPTime time = resampled_audio_to_dcp (piece, content_audio.frame) + DCPTime::from_seconds (content->delay() / 1000.0);
-
- audio_transform (content, stream, content_audio, time);
-}
-
-/** Do our common processing on some audio */
-void
-Player::audio_transform (shared_ptr<AudioContent> content, AudioStreamPtr stream, ContentAudio content_audio, DCPTime time)
-{
- DCPOMATIC_ASSERT (content_audio.audio->frames() > 0);
-
- /* Gain */
-
- if (content->gain() != 0) {
- shared_ptr<AudioBuffers> gain (new AudioBuffers (content_audio.audio));
- gain->apply_gain (content->gain ());
- content_audio.audio = gain;
- }
-
- /* Remap */
-
- shared_ptr<AudioBuffers> dcp_mapped (new AudioBuffers (_film->audio_channels(), content_audio.audio->frames()));
- dcp_mapped->make_silent ();
-
- AudioMapping map = stream->mapping ();
- for (int i = 0; i < map.input_channels(); ++i) {
- for (int j = 0; j < dcp_mapped->channels(); ++j) {
- if (map.get (i, static_cast<dcp::Channel> (j)) > 0) {
- dcp_mapped->accumulate_channel (
- content_audio.audio.get(),
- i,
- static_cast<dcp::Channel> (j),
- map.get (i, static_cast<dcp::Channel> (j))
- );
- }
+ DCPTime t = time;
+ for (int i = 0; i < frc.repeat; ++i) {
+ if (t < piece->content->end()) {
+ emit_video (_last_video[wp], t);
}
+ t += one_video_frame ();
}
-
- content_audio.audio = dcp_mapped;
-
- /* Process */
-
- if (_audio_processor) {
- content_audio.audio = _audio_processor->run (content_audio.audio, _film->audio_channels ());
- }
-
- /* Pad any gap which may be caused by audio delay */
-
- if (_last_audio_time) {
- fill_audio (DCPTimePeriod (*_last_audio_time, time));
- }
-
- /* Push */
-
- _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
shared_ptr<AudioContent> content = piece->content->audio;
DCPOMATIC_ASSERT (content);
- /* 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);
- if (ro.first->frames() == 0) {
- return;
- }
- content_audio.audio = ro.first;
- content_audio.frame = ro.second;
- }
-
/* Compute time in the DCP */
- DCPTime time = resampled_audio_to_dcp (piece, content_audio.frame) + DCPTime::from_seconds (content->delay() / 1000.0);
+ DCPTime time = resampled_audio_to_dcp (piece, content_audio.frame);
/* And the end of this block in the DCP */
DCPTime end = time + DCPTime::from_frames(content_audio.audio->frames(), content->resampled_frame_rate());
content_audio.audio = cut;
}
- audio_transform (content, stream, content_audio, time);
+ DCPOMATIC_ASSERT (content_audio.audio->frames() > 0);
+
+ /* Gain */
+
+ if (content->gain() != 0) {
+ shared_ptr<AudioBuffers> gain (new AudioBuffers (content_audio.audio));
+ gain->apply_gain (content->gain ());
+ content_audio.audio = gain;
+ }
+
+ /* Remap */
+
+ content_audio.audio = remap (content_audio.audio, _film->audio_channels(), stream->mapping());
+
+ /* Process */
+
+ if (_audio_processor) {
+ content_audio.audio = _audio_processor->run (content_audio.audio, _film->audio_channels ());
+ }
+
+ /* Push */
+
+ _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
void
Player::seek (DCPTime time, bool accurate)
{
- if (_audio_processor) {
- _audio_processor->flush ();
+ if (!_have_valid_pieces) {
+ setup_pieces ();
+ }
+
+ if (_shuffler) {
+ _shuffler->clear ();
}
- for (ResamplerMap::iterator i = _resamplers.begin(); i != _resamplers.end(); ++i) {
- i->second->flush ();
- i->second->reset ();
+ _delay.clear ();
+
+ if (_audio_processor) {
+ _audio_processor->flush ();
}
_audio_merger.clear ();
if (accurate) {
_last_video_time = time;
+ _last_video_eyes = EYES_LEFT;
_last_audio_time = time;
} else {
_last_video_time = optional<DCPTime>();
+ _last_video_eyes = optional<Eyes>();
_last_audio_time = optional<DCPTime>();
}
+
+ _black.set_position (time);
+ _silent.set_position (time);
+
+ _last_video.clear ();
}
-shared_ptr<Resampler>
-Player::resampler (shared_ptr<const AudioContent> content, AudioStreamPtr stream, bool create)
+void
+Player::emit_video (shared_ptr<PlayerVideo> pv, DCPTime time)
{
- ResamplerMap::const_iterator i = _resamplers.find (make_pair (content, stream));
- if (i != _resamplers.end ()) {
- return i->second;
- }
+ /* We need a delay to give a little wiggle room to ensure that relevent subtitles arrive at the
+ player before the video that requires them.
+ */
+ _delay.push_back (make_pair (pv, time));
- if (!create) {
- return shared_ptr<Resampler> ();
+ if (pv->eyes() == EYES_BOTH || pv->eyes() == EYES_RIGHT) {
+ _last_video_time = time + one_video_frame();
}
+ _last_video_eyes = increment_eyes (pv->eyes());
- 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())
- );
+ if (_delay.size() < 3) {
+ return;
+ }
- _resamplers[make_pair(content, stream)] = r;
- return r;
+ pair<shared_ptr<PlayerVideo>, DCPTime> to_do = _delay.front();
+ _delay.pop_front();
+ do_emit_video (to_do.first, to_do.second);
}
void
-Player::emit_video (shared_ptr<PlayerVideo> pv, DCPTime time)
+Player::do_emit_video (shared_ptr<PlayerVideo> pv, DCPTime time)
{
+ if (pv->eyes() == EYES_BOTH || pv->eyes() == EYES_RIGHT) {
+ _active_subtitles.clear_before (time);
+ }
+
optional<PositionImage> subtitles = subtitles_for_frame (time);
if (subtitles) {
pv->set_subtitle (subtitles.get ());
}
Video (pv, time);
-
- if (pv->eyes() == EYES_BOTH || pv->eyes() == EYES_RIGHT) {
- _last_video_time = time + one_video_frame();
- _active_subtitles.clear_before (time);
- }
}
void
Player::emit_audio (shared_ptr<AudioBuffers> data, DCPTime time)
{
+ /* Log if the assert below is about to fail */
+ if (_last_audio_time && time != *_last_audio_time) {
+ _film->log()->log(String::compose("Out-of-sequence emit %1 vs %2", to_string(time), to_string(*_last_audio_time)), LogEntry::TYPE_WARNING);
+ }
+
+ /* This audio must follow on from the previous, but I'll remove this check for the 2.12.x release */
+ // DCPOMATIC_ASSERT (!_last_audio_time || time == *_last_audio_time);
Audio (data, time);
- _last_audio_time = time + DCPTime::from_frames (data->frames(), _film->audio_frame_rate ());
+ _last_audio_time = time + DCPTime::from_frames (data->frames(), _film->audio_frame_rate());
}
void
return;
}
- BOOST_FOREACH (DCPTimePeriod i, subtract(period, _no_audio)) {
- DCPTime t = i.from;
- while (t < i.to) {
- DCPTime block = min (DCPTime::from_seconds (0.5), i.to - 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 ();
- emit_audio (silence, t);
- }
- t += block;
+ DCPOMATIC_ASSERT (period.from < period.to);
+
+ DCPTime t = period.from;
+ while (t < period.to) {
+ DCPTime block = min (DCPTime::from_seconds (0.5), period.to - 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 ();
+ emit_audio (silence, t);
}
+ t += block;
}
}
cut->copy_from (audio.get(), remaining_frames, discard_frames, 0);
return make_pair(cut, time + discard_time);
}
+
+void
+Player::set_dcp_decode_reduction (optional<int> reduction)
+{
+ if (reduction == _dcp_decode_reduction) {
+ return;
+ }
+
+ _dcp_decode_reduction = reduction;
+ _have_valid_pieces = false;
+ Changed (PlayerProperty::DCP_DECODE_REDUCTION, false);
+}