/*
- Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2020 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
#include "audio_buffers.h"
#include "content_audio.h"
#include "dcp_content.h"
+#include "dcpomatic_log.h"
#include "job.h"
#include "image.h"
#include "raw_image_proxy.h"
#include "image_decoder.h"
#include "compose.hpp"
#include "shuffler.h"
+#include "timer.h"
#include <dcp/reel.h>
#include <dcp/reel_sound_asset.h>
#include <dcp/reel_subtitle_asset.h>
using boost::dynamic_pointer_cast;
using boost::optional;
using boost::scoped_ptr;
+using namespace dcpomatic;
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;
+int const PlayerProperty::PLAYBACK_LENGTH = 705;
-Player::Player (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist)
+Player::Player (shared_ptr<const Film> film)
: _film (film)
- , _playlist (playlist)
- , _suspended (false)
+ , _suspended (0)
, _ignore_video (false)
, _ignore_audio (false)
, _ignore_text (false)
, _always_burn_open_subtitles (false)
, _fast (false)
+ , _tolerant (film->tolerant())
, _play_referenced (false)
, _audio_merger (_film->audio_frame_rate())
, _shuffler (0)
+{
+ construct ();
+}
+
+Player::Player (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist_)
+ : _film (film)
+ , _playlist (playlist_)
+ , _suspended (0)
+ , _ignore_video (false)
+ , _ignore_audio (false)
+ , _ignore_text (false)
+ , _always_burn_open_subtitles (false)
+ , _fast (false)
+ , _tolerant (film->tolerant())
+ , _play_referenced (false)
+ , _audio_merger (_film->audio_frame_rate())
+ , _shuffler (0)
+{
+ construct ();
+}
+
+void
+Player::construct ()
{
_film_changed_connection = _film->Change.connect (bind (&Player::film_change, this, _1, _2));
/* The butler must hear about this first, so since we are proxying this through to the butler we must
be first.
*/
- _playlist_change_connection = _playlist->Change.connect (bind (&Player::playlist_change, this, _1), boost::signals2::at_front);
- _playlist_content_change_connection = _playlist->ContentChange.connect (bind(&Player::playlist_content_change, this, _1, _3, _4));
+ _playlist_change_connection = playlist()->Change.connect (bind (&Player::playlist_change, this, _1), boost::signals2::at_front);
+ _playlist_content_change_connection = playlist()->ContentChange.connect (bind(&Player::playlist_content_change, this, _1, _3, _4));
set_video_container_size (_film->frame_size ());
film_change (CHANGE_TYPE_DONE, Film::AUDIO_PROCESSOR);
setup_pieces_unlocked ();
}
+
bool
-have_video (shared_ptr<Piece> piece)
+have_video (shared_ptr<const Content> content)
{
- return piece->decoder && piece->decoder->video;
+ return static_cast<bool>(content->video) && content->video->use();
}
bool
-have_audio (shared_ptr<Piece> piece)
+have_audio (shared_ptr<const Content> content)
{
- return piece->decoder && piece->decoder->audio;
+ return static_cast<bool>(content->audio);
}
void
Player::setup_pieces_unlocked ()
{
+ _playback_length = _playlist ? _playlist->length(_film) : _film->length();
+
+ list<shared_ptr<Piece> > old_pieces = _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 ()) {
+ BOOST_FOREACH (shared_ptr<Content> i, playlist()->content()) {
if (!i->paths_valid ()) {
continue;
continue;
}
- shared_ptr<Decoder> decoder = decoder_factory (_film, i, _fast);
+ shared_ptr<Decoder> old_decoder;
+ BOOST_FOREACH (shared_ptr<Piece> j, old_pieces) {
+ if (j->content == i) {
+ old_decoder = j->decoder;
+ break;
+ }
+ }
+
+ shared_ptr<Decoder> decoder = decoder_factory (_film, i, _fast, _tolerant, old_decoder);
FrameRateChange frc (_film, i);
if (!decoder) {
}
}
- _black = Empty (_film, _pieces, bind(&have_video, _1));
- _silent = Empty (_film, _pieces, bind(&have_audio, _1));
+ _black = Empty (_film, playlist(), bind(&have_video, _1), _playback_length);
+ _silent = Empty (_film, playlist(), bind(&have_audio, _1), _playback_length);
_last_video_time = DCPTime ();
_last_video_eyes = EYES_BOTH;
_last_audio_time = DCPTime ();
- _suspended = false;
}
void
Player::playlist_content_change (ChangeType type, int property, bool frequent)
{
if (type == CHANGE_TYPE_PENDING) {
- boost::mutex::scoped_lock lm (_mutex);
/* The player content is probably about to change, so we can't carry on
until that has happened and we've rebuilt our pieces. Stop pass()
and seek() from working until then.
*/
- _suspended = true;
+ ++_suspended;
} else if (type == CHANGE_TYPE_DONE) {
/* A change in our content has gone through. Re-build our pieces. */
setup_pieces ();
+ --_suspended;
} else if (type == CHANGE_TYPE_CANCELLED) {
- boost::mutex::scoped_lock lm (_mutex);
- _suspended = false;
+ --_suspended;
}
Change (type, property, frequent);
eyes,
PART_WHOLE,
PresetColourConversion::all().front().conversion,
+ VIDEO_RANGE_FULL,
boost::weak_ptr<Content>(),
- boost::optional<Frame>()
+ boost::optional<Frame>(),
+ false
)
);
}
setup_pieces_unlocked ();
}
+static void
+maybe_add_asset (list<ReferencedReelAsset>& a, shared_ptr<dcp::ReelAsset> r, Frame reel_trim_start, Frame reel_trim_end, DCPTime from, int const ffr)
+{
+ DCPOMATIC_ASSERT (r);
+ r->set_entry_point (r->entry_point().get_value_or(0) + reel_trim_start);
+ r->set_duration (r->actual_duration() - reel_trim_start - reel_trim_end);
+ if (r->actual_duration() > 0) {
+ a.push_back (
+ ReferencedReelAsset(r, DCPTimePeriod(from, from + DCPTime::from_frames(r->actual_duration(), ffr)))
+ );
+ }
+}
+
list<ReferencedReelAsset>
Player::get_reel_assets ()
{
list<ReferencedReelAsset> a;
- BOOST_FOREACH (shared_ptr<Content> i, _playlist->content ()) {
+ BOOST_FOREACH (shared_ptr<Content> i, playlist()->content()) {
shared_ptr<DCPContent> j = dynamic_pointer_cast<DCPContent> (i);
if (!j) {
continue;
scoped_ptr<DCPDecoder> decoder;
try {
- decoder.reset (new DCPDecoder (_film, j, false));
+ decoder.reset (new DCPDecoder (_film, j, false, false, shared_ptr<DCPDecoder>()));
} catch (...) {
return a;
}
- int64_t offset = 0;
+ DCPOMATIC_ASSERT (j->video_frame_rate ());
+ double const cfr = j->video_frame_rate().get();
+ Frame const trim_start = j->trim_start().frames_round (cfr);
+ Frame const trim_end = j->trim_end().frames_round (cfr);
+ int const ffr = _film->video_frame_rate ();
+
+ /* position in the asset from the start */
+ int64_t offset_from_start = 0;
+ /* position in the asset from the end */
+ int64_t offset_from_end = 0;
BOOST_FOREACH (shared_ptr<dcp::Reel> k, decoder->reels()) {
+ /* Assume that main picture duration is the length of the reel */
+ offset_from_end += k->main_picture()->actual_duration();
+ }
- DCPOMATIC_ASSERT (j->video_frame_rate ());
- double const cfr = j->video_frame_rate().get();
- Frame const trim_start = j->trim_start().frames_round (cfr);
- Frame const trim_end = j->trim_end().frames_round (cfr);
- int const ffr = _film->video_frame_rate ();
+ BOOST_FOREACH (shared_ptr<dcp::Reel> k, decoder->reels()) {
+
+ /* Assume that main picture duration is the length of the reel */
+ int64_t const reel_duration = k->main_picture()->actual_duration();
- DCPTime const from = i->position() + DCPTime::from_frames (offset, _film->video_frame_rate());
+ /* See doc/design/trim_reels.svg */
+ Frame const reel_trim_start = min(reel_duration, max(int64_t(0), trim_start - offset_from_start));
+ Frame const reel_trim_end = min(reel_duration, max(int64_t(0), reel_duration - (offset_from_end - trim_end)));
+
+ DCPTime const from = i->position() + DCPTime::from_frames (offset_from_start, _film->video_frame_rate());
if (j->reference_video ()) {
- shared_ptr<dcp::ReelAsset> ra = k->main_picture ();
- DCPOMATIC_ASSERT (ra);
- ra->set_entry_point (ra->entry_point() + trim_start);
- ra->set_duration (ra->duration() - trim_start - trim_end);
- a.push_back (
- ReferencedReelAsset (ra, DCPTimePeriod (from, from + DCPTime::from_frames (ra->duration(), ffr)))
- );
+ maybe_add_asset (a, k->main_picture(), reel_trim_start, reel_trim_end, from, ffr);
}
if (j->reference_audio ()) {
- shared_ptr<dcp::ReelAsset> ra = k->main_sound ();
- DCPOMATIC_ASSERT (ra);
- ra->set_entry_point (ra->entry_point() + trim_start);
- ra->set_duration (ra->duration() - trim_start - trim_end);
- a.push_back (
- ReferencedReelAsset (ra, DCPTimePeriod (from, from + DCPTime::from_frames (ra->duration(), ffr)))
- );
+ maybe_add_asset (a, k->main_sound(), reel_trim_start, reel_trim_end, from, ffr);
}
if (j->reference_text (TEXT_OPEN_SUBTITLE)) {
- shared_ptr<dcp::ReelAsset> ra = k->main_subtitle ();
- DCPOMATIC_ASSERT (ra);
- ra->set_entry_point (ra->entry_point() + trim_start);
- ra->set_duration (ra->duration() - trim_start - trim_end);
- a.push_back (
- ReferencedReelAsset (ra, DCPTimePeriod (from, from + DCPTime::from_frames (ra->duration(), ffr)))
- );
+ maybe_add_asset (a, k->main_subtitle(), reel_trim_start, reel_trim_end, from, ffr);
}
if (j->reference_text (TEXT_CLOSED_CAPTION)) {
BOOST_FOREACH (shared_ptr<dcp::ReelClosedCaptionAsset> l, k->closed_captions()) {
- DCPOMATIC_ASSERT (l);
- l->set_entry_point (l->entry_point() + trim_start);
- l->set_duration (l->duration() - trim_start - trim_end);
- a.push_back (
- ReferencedReelAsset (l, DCPTimePeriod (from, from + DCPTime::from_frames (l->duration(), ffr)))
- );
+ maybe_add_asset (a, l, reel_trim_start, reel_trim_end, from, ffr);
}
}
- /* Assume that main picture duration is the length of the reel */
- offset += k->main_picture()->duration ();
+ offset_from_start += reel_duration;
+ offset_from_end -= reel_duration;
}
}
return false;
}
- if (_playlist->length(_film) == DCPTime()) {
- /* Special case of an empty Film; just give one black frame */
+ if (_playback_length == DCPTime()) {
+ /* Special; just give one black frame */
emit_video (black_player_video_frame(EYES_BOTH), DCPTime());
return true;
}
which = CONTENT;
}
- if (!_black.done() && (!earliest_time || _black.position() < *earliest_time)) {
+ if (!_black.done() && !_ignore_video && (!earliest_time || _black.position() < *earliest_time)) {
earliest_time = _black.position ();
which = BLACK;
}
- if (!_silent.done() && (!earliest_time || _silent.position() < *earliest_time)) {
+ if (!_silent.done() && !_ignore_audio && (!earliest_time || _silent.position() < *earliest_time)) {
earliest_time = _silent.position ();
which = SILENT;
}
switch (which) {
case CONTENT:
+ {
earliest_content->done = earliest_content->decoder->pass ();
+ shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent>(earliest_content->content);
+ if (dcp && !_play_referenced && dcp->reference_audio()) {
+ /* We are skipping some referenced DCP audio content, so we need to update _last_audio_time
+ to `hide' the fact that no audio was emitted during the referenced DCP (though
+ we need to behave as though it was).
+ */
+ _last_audio_time = dcp->end (_film);
+ }
break;
+ }
case BLACK:
+ LOG_DEBUG_PLAYER ("Emit black for gap at %1", to_string(_black.position()));
emit_video (black_player_video_frame(EYES_BOTH), _black.position());
_black.set_position (_black.position() + one_video_frame());
break;
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'.
+ or after this silence. Bodge the start time of the silence to fix it.
+ I think this is nothing to worry about since we will just add or
+ remove a little silence at the end of some content.
*/
- period.from = min(period.from, *_last_audio_time);
+ int64_t const error = labs(period.from.get() - _last_audio_time->get());
+ /* Let's not worry about less than a frame at 24fps */
+ int64_t const too_much_error = DCPTime::from_frames(1, 24).get();
+ if (error >= too_much_error) {
+ _film->log()->log(String::compose("Silence starting before or after last audio by %1", error), LogEntry::TYPE_ERROR);
+ }
+ DCPOMATIC_ASSERT (error < too_much_error);
+ period.from = *_last_audio_time;
}
if (period.duration() > one_video_frame()) {
period.to = period.from + one_video_frame();
/* 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 ();
+ DCPTime pull_to = _playback_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;
}
while (j < fill_to || eyes != fill_to_eyes) {
if (last != _last_video.end()) {
+ LOG_DEBUG_PLAYER("Fill using last video at %1 in 3D mode", to_string(j));
shared_ptr<PlayerVideo> copy = last->second->shallow_copy();
copy->set_eyes (eyes);
emit_video (copy, j);
} else {
+ LOG_DEBUG_PLAYER("Fill using black at %1 in 3D mode", to_string(j));
emit_video (black_player_video_frame(eyes), j);
}
if (eyes == EYES_RIGHT) {
video.image,
piece->content->video->crop (),
piece->content->video->fade (_film, video.frame),
- piece->content->video->scale().size (
- piece->content->video, _video_container_size, _film->frame_size ()
- ),
+ scale_for_display(piece->content->video->scaled_size(_film->frame_size()), _video_container_size, _film->frame_size()),
_video_container_size,
video.eyes,
video.part,
piece->content->video->colour_conversion(),
+ piece->content->video->range(),
piece->content,
- video.frame
+ video.frame,
+ false
)
);
shared_ptr<AudioContent> content = piece->content->audio;
DCPOMATIC_ASSERT (content);
+ int const rfr = content->resampled_frame_rate (_film);
+
/* Compute time in the DCP */
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(_film));
+ DCPTime end = time + DCPTime::from_frames(content_audio.audio->frames(), rfr);
/* Remove anything that comes before the start or after the end of the content */
if (time < piece->content->position()) {
/* Discard it all */
return;
} else if (end > piece->content->end(_film)) {
- Frame const remaining_frames = DCPTime(piece->content->end(_film) - time).frames_round(_film->audio_frame_rate());
+ Frame const remaining_frames = DCPTime(piece->content->end(_film) - time).frames_round(rfr);
if (remaining_frames == 0) {
return;
}
- shared_ptr<AudioBuffers> cut (new AudioBuffers (content_audio.audio->channels(), remaining_frames));
- cut->copy_from (content_audio.audio.get(), remaining_frames, 0, 0);
- content_audio.audio = cut;
+ content_audio.audio.reset (new AudioBuffers(content_audio.audio, remaining_frames, 0));
}
DCPOMATIC_ASSERT (content_audio.audio->frames() > 0);
PlayerText ps;
shared_ptr<Image> image = subtitle.sub.image;
+
/* We will scale the subtitle up to fit _video_container_size */
- dcp::Size scaled_size (subtitle.sub.rectangle.width * _video_container_size.width, subtitle.sub.rectangle.height * _video_container_size.height);
+ int const width = subtitle.sub.rectangle.width * _video_container_size.width;
+ int const height = subtitle.sub.rectangle.height * _video_container_size.height;
+ if (width == 0 || height == 0) {
+ return;
+ }
+
+ dcp::Size scaled_size (width, height);
ps.bitmap.push_back (BitmapText(image->scale(scaled_size, dcp::YUV_TO_RGB_REC601, image->pixel_format(), true, _fast), subtitle.sub.rectangle));
DCPTime from (content_time_to_dcp (piece, subtitle.from()));
BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
if (time < i->content->position()) {
- /* Before; seek to the start of the content */
- i->decoder->seek (dcp_to_content_time (i, i->content->position()), accurate);
+ /* Before; seek to the start of the content. Even if this request is for an inaccurate seek
+ we must seek this (following) content accurately, otherwise when we come to the end of the current
+ content we may not start right at the beginning of the next, causing a gap (if the next content has
+ been trimmed to a point between keyframes, or something).
+ */
+ i->decoder->seek (dcp_to_content_time (i, i->content->position()), true);
i->done = false;
} else if (i->content->position() <= time && time < i->content->end(_film)) {
/* During; seek to position */
if (remaining_frames <= 0) {
return make_pair(shared_ptr<AudioBuffers>(), DCPTime());
}
- shared_ptr<AudioBuffers> cut (new AudioBuffers (audio->channels(), remaining_frames));
- cut->copy_from (audio.get(), remaining_frames, discard_frames, 0);
+ shared_ptr<AudioBuffers> cut (new AudioBuffers(audio, remaining_frames, discard_frames));
return make_pair(cut, time + discard_time);
}
/* We couldn't find this content; perhaps things are being changed over */
return optional<DCPTime>();
}
+
+
+shared_ptr<const Playlist>
+Player::playlist () const
+{
+ return _playlist ? _playlist : _film->playlist();
+}
+