/*
- Copyright (C) 2013-2017 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2020 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+#include "atmos_decoder.h"
#include "player.h"
#include "film.h"
#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 "ratio.h"
#include "log.h"
-#include "render_subtitles.h"
+#include "render_text.h"
#include "config.h"
#include "content_video.h"
#include "player_video.h"
#include "decoder.h"
#include "video_decoder.h"
#include "audio_decoder.h"
-#include "subtitle_content.h"
-#include "subtitle_decoder.h"
+#include "text_content.h"
+#include "text_decoder.h"
#include "ffmpeg_content.h"
#include "audio_content.h"
-#include "content_subtitle.h"
#include "dcp_decoder.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>
#include <dcp/reel_picture_asset.h>
+#include <dcp/reel_closed_caption_asset.h>
#include <boost/foreach.hpp>
#include <stdint.h>
#include <algorithm>
#include "i18n.h"
-#define LOG_GENERAL(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
-
using std::list;
using std::cout;
using std::min;
using boost::dynamic_pointer_cast;
using boost::optional;
using boost::scoped_ptr;
+#if BOOST_VERSION >= 106100
+using namespace boost::placeholders;
+#endif
+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)
+ : _film (film)
+ , _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)
+Player::Player (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist_)
: _film (film)
- , _playlist (playlist)
- , _have_valid_pieces (false)
+ , _playlist (playlist_)
+ , _suspended (0)
, _ignore_video (false)
- , _ignore_subtitle (false)
- , _always_burn_subtitles (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)
{
- _film_changed_connection = _film->Changed.connect (bind (&Player::film_changed, this, _1));
- _playlist_changed_connection = _playlist->Changed.connect (bind (&Player::playlist_changed, this));
- _playlist_content_changed_connection = _playlist->ContentChanged.connect (bind (&Player::playlist_content_changed, this, _1, _2, _3));
+ 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));
set_video_container_size (_film->frame_size ());
- film_changed (Film::AUDIO_PROCESSOR);
+ film_change (CHANGE_TYPE_DONE, Film::AUDIO_PROCESSOR);
+ setup_pieces ();
seek (DCPTime (), true);
}
+Player::~Player ()
+{
+ delete _shuffler;
+}
+
void
Player::setup_pieces ()
{
+ boost::mutex::scoped_lock lm (_mutex);
+ setup_pieces_unlocked ();
+}
+
+
+bool
+have_video (shared_ptr<const Content> content)
+{
+ return static_cast<bool>(content->video) && content->video->use();
+}
+
+bool
+have_audio (shared_ptr<const Content> content)
+{
+ 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 ();
- BOOST_FOREACH (shared_ptr<Content> i, _playlist->content ()) {
+ 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());
- FrameRateChange frc (i->active_video_frame_rate(), _film->video_frame_rate());
-
- if (!decoder) {
- /* Not something that we can decode; e.g. Atmos content */
+ if (_ignore_video && _ignore_audio && i->text.empty()) {
+ /* We're only interested in text and this content has none */
continue;
}
+ shared_ptr<Decoder> old_decoder;
+ /* XXX: needs to check vector of Content and use the old decoders, but
+ * this will all be different as we have to coalesce content before
+ * this happens.
+ 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);
+ DCPOMATIC_ASSERT (decoder);
+
+ FrameRateChange frc (_film, i);
+
if (decoder->video && _ignore_video) {
- decoder->video->set_ignore ();
+ decoder->video->set_ignore (true);
+ }
+
+ if (decoder->audio && _ignore_audio) {
+ decoder->audio->set_ignore (true);
}
- if (decoder->subtitle && _ignore_subtitle) {
- decoder->subtitle->set_ignore ();
+ if (_ignore_text) {
+ BOOST_FOREACH (shared_ptr<TextDecoder> i, decoder->text) {
+ i->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) {
decoder->audio->Data.connect (bind (&Player::audio, this, weak_ptr<Piece> (piece), _1, _2));
}
- if (decoder->subtitle) {
- decoder->subtitle->ImageStart.connect (bind (&Player::image_subtitle_start, this, weak_ptr<Piece> (piece), _1));
- decoder->subtitle->TextStart.connect (bind (&Player::text_subtitle_start, this, weak_ptr<Piece> (piece), _1));
- decoder->subtitle->Stop.connect (bind (&Player::subtitle_stop, this, weak_ptr<Piece> (piece), _1));
+ list<shared_ptr<TextDecoder> >::const_iterator j = decoder->text.begin();
+
+ while (j != decoder->text.end()) {
+ (*j)->BitmapStart.connect (
+ bind(&Player::bitmap_text_start, this, weak_ptr<Piece>(piece), weak_ptr<const TextContent>((*j)->content()), _1)
+ );
+ (*j)->PlainStart.connect (
+ bind(&Player::plain_text_start, this, weak_ptr<Piece>(piece), weak_ptr<const TextContent>((*j)->content()), _1)
+ );
+ (*j)->Stop.connect (
+ bind(&Player::subtitle_stop, this, weak_ptr<Piece>(piece), weak_ptr<const TextContent>((*j)->content()), _1)
+ );
+
+ ++j;
}
- }
- 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 ());
- }
+ if (decoder->atmos) {
+ decoder->atmos->Data.connect (bind(&Player::atmos, this, weak_ptr<Piece>(piece), _1));
}
}
- _black = Empty (_film, bind(&Content::video, _1));
- _silent = Empty (_film, bind(&Content::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 ();
- _have_valid_pieces = true;
}
void
-Player::playlist_content_changed (weak_ptr<Content> w, int property, bool frequent)
+Player::playlist_content_change (ChangeType type, int property, bool frequent)
{
- shared_ptr<Content> c = w.lock ();
- if (!c) {
- return;
+ if (property == VideoContentProperty::CROP) {
+ if (type == CHANGE_TYPE_DONE) {
+ dcp::Size const vcs = video_container_size();
+ boost::mutex::scoped_lock lm (_mutex);
+ for (list<pair<shared_ptr<PlayerVideo>, DCPTime> >::const_iterator i = _delay.begin(); i != _delay.end(); ++i) {
+ i->first->reset_metadata (_film, vcs);
+ }
+ }
+ } else {
+ if (type == CHANGE_TYPE_PENDING) {
+ /* 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;
+ } 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) {
+ --_suspended;
+ }
}
- if (
- property == ContentProperty::POSITION ||
- property == ContentProperty::LENGTH ||
- property == ContentProperty::TRIM_START ||
- property == ContentProperty::TRIM_END ||
- property == ContentProperty::PATH ||
- property == VideoContentProperty::FRAME_TYPE ||
- property == DCPContentProperty::NEEDS_ASSETS ||
- property == DCPContentProperty::NEEDS_KDM ||
- property == SubtitleContentProperty::COLOUR ||
- property == SubtitleContentProperty::OUTLINE ||
- property == SubtitleContentProperty::SHADOW ||
- property == SubtitleContentProperty::EFFECT_COLOUR ||
- property == FFmpegContentProperty::SUBTITLE_STREAM ||
- property == VideoContentProperty::COLOUR_CONVERSION
- ) {
-
- _have_valid_pieces = false;
- Changed (frequent);
-
- } else if (
- property == SubtitleContentProperty::LINE_SPACING ||
- property == SubtitleContentProperty::OUTLINE_WIDTH ||
- property == SubtitleContentProperty::Y_SCALE ||
- property == SubtitleContentProperty::FADE_IN ||
- property == SubtitleContentProperty::FADE_OUT ||
- property == ContentProperty::VIDEO_FRAME_RATE ||
- property == SubtitleContentProperty::USE ||
- property == SubtitleContentProperty::X_OFFSET ||
- property == SubtitleContentProperty::Y_OFFSET ||
- property == SubtitleContentProperty::X_SCALE ||
- property == SubtitleContentProperty::FONTS ||
- property == VideoContentProperty::CROP ||
- property == VideoContentProperty::SCALE ||
- property == VideoContentProperty::FADE_IN ||
- property == VideoContentProperty::FADE_OUT
- ) {
-
- Changed (frequent);
- }
+ Change (type, property, frequent);
}
void
Player::set_video_container_size (dcp::Size s)
{
- if (s == _video_container_size) {
- return;
- }
+ Change (CHANGE_TYPE_PENDING, PlayerProperty::VIDEO_CONTAINER_SIZE, false);
+
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+
+ if (s == _video_container_size) {
+ lm.unlock ();
+ Change (CHANGE_TYPE_CANCELLED, PlayerProperty::VIDEO_CONTAINER_SIZE, false);
+ return;
+ }
- _video_container_size = s;
+ _video_container_size = s;
- _black_image.reset (new Image (AV_PIX_FMT_RGB24, _video_container_size, true));
- _black_image->make_black ();
+ _black_image.reset (new Image (AV_PIX_FMT_RGB24, _video_container_size, true));
+ _black_image->make_black ();
+ }
- Changed (false);
+ Change (CHANGE_TYPE_DONE, PlayerProperty::VIDEO_CONTAINER_SIZE, false);
}
void
-Player::playlist_changed ()
+Player::playlist_change (ChangeType type)
{
- _have_valid_pieces = false;
- Changed (false);
+ if (type == CHANGE_TYPE_DONE) {
+ setup_pieces ();
+ }
+ Change (type, PlayerProperty::PLAYLIST, false);
}
void
-Player::film_changed (Film::Property p)
+Player::film_change (ChangeType type, Film::Property p)
{
/* Here we should notice Film properties that affect our output, and
alert listeners that our output now would be different to how it was
*/
if (p == Film::CONTAINER) {
- Changed (false);
+ Change (type, 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);
+ if (type == CHANGE_TYPE_DONE) {
+ setup_pieces ();
+ }
+ Change (type, PlayerProperty::FILM_VIDEO_FRAME_RATE, false);
} else if (p == Film::AUDIO_PROCESSOR) {
- if (_film->audio_processor ()) {
+ if (type == CHANGE_TYPE_DONE && _film->audio_processor ()) {
+ boost::mutex::scoped_lock lm (_mutex);
_audio_processor = _film->audio_processor()->clone (_film->audio_frame_rate ());
}
- }
-}
-
-list<PositionImage>
-Player::transform_image_subtitles (list<ImageSubtitle> subs) const
-{
- list<PositionImage> all;
-
- for (list<ImageSubtitle>::const_iterator i = subs.begin(); i != subs.end(); ++i) {
- if (!i->image) {
- continue;
+ } else if (p == Film::AUDIO_CHANNELS) {
+ if (type == CHANGE_TYPE_DONE) {
+ boost::mutex::scoped_lock lm (_mutex);
+ _audio_merger.clear ();
}
-
- /* We will scale the subtitle up to fit _video_container_size */
- dcp::Size scaled_size (i->rectangle.width * _video_container_size.width, i->rectangle.height * _video_container_size.height);
-
- /* Then we need a corrective translation, consisting of two parts:
- *
- * 1. that which is the result of the scaling of the subtitle by _video_container_size; this will be
- * rect.x * _video_container_size.width and rect.y * _video_container_size.height.
- *
- * 2. that to shift the origin of the scale by subtitle_scale to the centre of the subtitle; this will be
- * (width_before_subtitle_scale * (1 - subtitle_x_scale) / 2) and
- * (height_before_subtitle_scale * (1 - subtitle_y_scale) / 2).
- *
- * Combining these two translations gives these expressions.
- */
-
- all.push_back (
- PositionImage (
- i->image->scale (
- scaled_size,
- dcp::YUV_TO_RGB_REC601,
- i->image->pixel_format (),
- true,
- _fast
- ),
- Position<int> (
- lrint (_video_container_size.width * i->rectangle.x),
- lrint (_video_container_size.height * i->rectangle.y)
- )
- )
- );
}
-
- return all;
}
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,
+ VIDEO_RANGE_FULL,
+ boost::weak_ptr<Content>(),
+ boost::optional<Frame>(),
+ false
)
);
}
-Frame
-Player::dcp_to_content_video (shared_ptr<const Piece> piece, DCPTime t) const
-{
- DCPTime s = t - piece->content->position ();
- s = min (piece->content->length_after_trim(), s);
- s = max (DCPTime(), s + DCPTime (piece->content->trim_start(), piece->frc));
-
- /* It might seem more logical here to convert s to a ContentTime (using the FrameRateChange)
- then convert that ContentTime to frames at the content's rate. However this fails for
- situations like content at 29.9978733fps, DCP at 30fps. The accuracy of the Time type is not
- enough to distinguish between the two with low values of time (e.g. 3200 in Time units).
-
- Instead we convert the DCPTime using the DCP video rate then account for any skip/repeat.
- */
- return s.frames_floor (piece->frc.dcp) / piece->frc.factor ();
-}
-
-DCPTime
-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 ());
-}
-
-Frame
-Player::dcp_to_resampled_audio (shared_ptr<const Piece> piece, DCPTime t) const
-{
- DCPTime s = t - piece->content->position ();
- s = min (piece->content->length_after_trim(), s);
- /* See notes in dcp_to_content_video */
- return max (DCPTime (), DCPTime (piece->content->trim_start (), piece->frc) + s).frames_floor (_film->audio_frame_rate ());
-}
-
-DCPTime
-Player::resampled_audio_to_dcp (shared_ptr<const Piece> piece, Frame f) const
-{
- /* See comment in dcp_to_content_video */
- return DCPTime::from_frames (f, _film->audio_frame_rate())
- - DCPTime (piece->content->trim_start(), piece->frc)
- + piece->content->position();
-}
-
-ContentTime
-Player::dcp_to_content_time (shared_ptr<const Piece> piece, DCPTime t) const
-{
- DCPTime s = t - piece->content->position ();
- s = min (piece->content->length_after_trim(), s);
- return max (ContentTime (), ContentTime (s, piece->frc) + piece->content->trim_start());
-}
-
-DCPTime
-Player::content_time_to_dcp (shared_ptr<const Piece> piece, ContentTime t) const
-{
- return max (DCPTime (), DCPTime (t - piece->content->trim_start(), piece->frc) + piece->content->position());
-}
list<shared_ptr<Font> >
Player::get_subtitle_fonts ()
{
- if (!_have_valid_pieces) {
- setup_pieces ();
- }
+ boost::mutex::scoped_lock lm (_mutex);
list<shared_ptr<Font> > fonts;
- BOOST_FOREACH (shared_ptr<Piece>& p, _pieces) {
- if (p->content->subtitle) {
- /* XXX: things may go wrong if there are duplicate font IDs
- with different font files.
- */
- list<shared_ptr<Font> > f = p->content->subtitle->fonts ();
- copy (f.begin(), f.end(), back_inserter (fonts));
- }
+ BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
+ i->add_fonts (fonts);
}
return fonts;
void
Player::set_ignore_video ()
{
+ boost::mutex::scoped_lock lm (_mutex);
_ignore_video = true;
+ setup_pieces_unlocked ();
+}
+
+void
+Player::set_ignore_audio ()
+{
+ boost::mutex::scoped_lock lm (_mutex);
+ _ignore_audio = true;
+ setup_pieces_unlocked ();
}
void
-Player::set_ignore_subtitle ()
+Player::set_ignore_text ()
{
- _ignore_subtitle = true;
+ boost::mutex::scoped_lock lm (_mutex);
+ _ignore_text = true;
+ setup_pieces_unlocked ();
}
-/** 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.
- */
+/** Set the player to always burn open texts into the image regardless of the content settings */
void
-Player::set_always_burn_subtitles (bool burn)
+Player::set_always_burn_open_subtitles ()
{
- _always_burn_subtitles = burn;
+ boost::mutex::scoped_lock lm (_mutex);
+ _always_burn_open_subtitles = true;
}
+/** Sets up the player to be faster, possibly at the expense of quality */
void
Player::set_fast ()
{
+ boost::mutex::scoped_lock lm (_mutex);
_fast = true;
- _have_valid_pieces = false;
+ setup_pieces_unlocked ();
}
void
Player::set_play_referenced ()
{
+ boost::mutex::scoped_lock lm (_mutex);
_play_referenced = true;
- _have_valid_pieces = 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 ()
{
+ /* Does not require a lock on _mutex as it's only called from DCPEncoder */
+
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 (j, _film->log()));
+ 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();
+ }
+
BOOST_FOREACH (shared_ptr<dcp::Reel> k, decoder->reels()) {
- 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 ();
+ /* Assume that main picture duration is the length of the reel */
+ int64_t const reel_duration = k->main_picture()->actual_duration();
+
+ /* 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, _film->video_frame_rate());
+ 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_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)))
- );
+ if (j->reference_text (TEXT_OPEN_SUBTITLE)) {
+ maybe_add_asset (a, k->main_subtitle(), reel_trim_start, reel_trim_end, from, ffr);
}
- /* Assume that main picture duration is the length of the reel */
- offset += k->main_picture()->duration ();
+ if (j->reference_text (TEXT_CLOSED_CAPTION)) {
+ BOOST_FOREACH (shared_ptr<dcp::ReelClosedCaptionAsset> l, k->closed_captions()) {
+ maybe_add_asset (a, l, reel_trim_start, reel_trim_end, from, ffr);
+ }
+ }
+
+ offset_from_start += reel_duration;
+ offset_from_end -= reel_duration;
}
}
bool
Player::pass ()
{
- if (!_have_valid_pieces) {
- setup_pieces ();
+ boost::mutex::scoped_lock lm (_mutex);
+
+ if (_suspended) {
+ /* We can't pass in this state */
+ LOG_DEBUG_PLAYER_NC ("Player is suspended");
+ return false;
+ }
+
+ if (_playback_length == DCPTime()) {
+ /* Special; 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;
- DCPTime earliest_content;
+ 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());
- /* Given two choices at the same time, pick the one with a subtitle so we see it before
+ if (i->done) {
+ continue;
+ }
+
+ DCPTime const t = content_time_to_dcp (i, max(i->decoder->position(), i->content->trim_start()));
+ if (t > i->end(_film)) {
+ i->done = true;
+ } else {
+
+ /* Given two choices at the same time, pick the one with texts so we see it before
the video.
*/
- if (!earliest || t < earliest_content || (t == earliest_content && i->decoder->subtitle)) {
- earliest_content = t;
- earliest = i;
+ if (!earliest_time || t < *earliest_time || (t == *earliest_time && !i->decoder->text.empty())) {
+ earliest_time = t;
+ earliest_content = i;
}
}
}
bool done = false;
- if (!_black.done() && (!earliest || _black.position() < earliest_content)) {
- /* There is some black that must be emitted */
- emit_video (black_player_video_frame(), _black.position());
+ enum {
+ NONE,
+ CONTENT,
+ BLACK,
+ SILENT
+ } which = NONE;
+
+ if (earliest_content) {
+ which = CONTENT;
+ }
+
+ if (!_black.done() && !_ignore_video && (!earliest_time || _black.position() < *earliest_time)) {
+ earliest_time = _black.position ();
+ which = BLACK;
+ }
+
+ if (!_silent.done() && !_ignore_audio && (!earliest_time || _silent.position() < *earliest_time)) {
+ earliest_time = _silent.position ();
+ which = SILENT;
+ }
+
+ switch (which) {
+ case CONTENT:
+ {
+ LOG_DEBUG_PLAYER ("Calling pass() on %1", earliest_content->content->path(0));
+ 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());
- } else if (!_silent.done() && (!earliest || _silent.position() < earliest_content)) {
- /* There is some silence that must be emitted */
+ break;
+ case SILENT:
+ {
+ LOG_DEBUG_PLAYER ("Emit silence for gap at %1", to_string(_silent.position()));
DCPTimePeriod period (_silent.period_at_position());
+ if (_last_audio_time) {
+ /* Sometimes the thing that happened last finishes fractionally before
+ 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.
+ */
+ 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();
}
fill_audio (period);
_silent.set_position (period.to);
- } else if (_playlist->length() == DCPTime()) {
- /* Special case of an empty Film; just give one black frame */
- emit_video (black_player_video_frame(), DCPTime());
- } else if (earliest) {
- earliest->done = earliest->decoder->pass ();
- } else {
+ break;
+ }
+ case NONE:
done = true;
+ break;
}
/* Emit any audio that is ready */
- 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;
- }
+ /* 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 = _playback_length;
+ BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
+ i->update_pull_to (pull_to);
+ }
+ if (!_silent.done() && _silent.position() < pull_to) {
+ pull_to = _silent.position();
}
+ LOG_DEBUG_PLAYER("Emitting audio up to %1", to_string(pull_to));
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;
+ } 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);
}
+ 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;
}
+/** @return Open subtitles for the frame at the given time, converted to images */
optional<PositionImage>
-Player::subtitles_for_frame (DCPTime time) const
+Player::open_subtitles_for_frame (DCPTime time) const
{
- list<PositionImage> subtitles;
+ list<PositionImage> captions;
+ int const vfr = _film->video_frame_rate();
- BOOST_FOREACH (PlayerSubtitles i, _active_subtitles.get_burnt (time, _always_burn_subtitles)) {
+ BOOST_FOREACH (
+ PlayerText j,
+ _active_texts[TEXT_OPEN_SUBTITLE].get_burnt(DCPTimePeriod(time, time + DCPTime::from_frames(1, vfr)), _always_burn_open_subtitles)
+ ) {
- /* Image subtitles */
- list<PositionImage> c = transform_image_subtitles (i.image);
- copy (c.begin(), c.end(), back_inserter (subtitles));
+ /* Bitmap subtitles */
+ BOOST_FOREACH (BitmapText i, j.bitmap) {
+ if (!i.image) {
+ continue;
+ }
+
+ /* i.image will already have been scaled to fit _video_container_size */
+ dcp::Size scaled_size (i.rectangle.width * _video_container_size.width, i.rectangle.height * _video_container_size.height);
+
+ captions.push_back (
+ PositionImage (
+ i.image,
+ Position<int> (
+ lrint (_video_container_size.width * i.rectangle.x),
+ lrint (_video_container_size.height * i.rectangle.y)
+ )
+ )
+ );
+ }
- /* Text subtitles (rendered to an image) */
- if (!i.text.empty ()) {
- list<PositionImage> s = render_subtitles (i.text, i.fonts, _video_container_size, time);
- copy (s.begin(), s.end(), back_inserter (subtitles));
+ /* String subtitles (rendered to an image) */
+ if (!j.string.empty ()) {
+ list<PositionImage> s = render_text (j.string, j.fonts, _video_container_size, time, vfr);
+ copy (s.begin(), s.end(), back_inserter (captions));
}
}
- if (subtitles.empty ()) {
+ if (captions.empty ()) {
return optional<PositionImage> ();
}
- return merge (subtitles);
+ return merge (captions);
}
void
return;
}
- FrameRateChange frc(piece->content->active_video_frame_rate(), _film->video_frame_rate());
+ if (!piece->content->video->use()) {
+ return;
+ }
+
+ FrameRateChange frc (_film, piece->content);
if (frc.skip && (video.frame % 2) == 1) {
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());
+ LOG_DEBUG_PLAYER("Received video frame %1 at %2", video.frame, to_string(time));
- /* Fill gaps that we discover now that we have some video which needs to be emitted */
+ /* 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->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.
+ This is where we need to fill to.
+ */
+ DCPTime fill_to = min (time, piece->end(_film));
if (_last_video_time) {
- /* XXX: this may not work for 3D */
- DCPTime fill_from = max (*_last_video_time, piece->content->position());
- for (DCPTime j = fill_from; j < time; 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->position());
+
+ /* Fill if we have more than half a frame to do */
+ if ((fill_to - fill_from) > one_video_frame() / 2) {
+ LastVideoMap::const_iterator last = _last_video.find (wp);
+ if (_film->three_d()) {
+ Eyes fill_to_eyes = video.eyes;
+ if (fill_to_eyes == EYES_BOTH) {
+ fill_to_eyes = EYES_LEFT;
+ }
+ if (fill_to == piece->end(_film)) {
+ /* Don't fill after the end of the content */
+ fill_to_eyes = EYES_LEFT;
+ }
+ 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 != 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) {
+ j += one_video_frame();
+ }
+ eyes = increment_eyes (eyes);
+ }
} else {
- emit_video (black_player_video_frame(), j);
+ 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);
+ }
+ }
}
}
}
- /* 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)) {
- return;
- }
-
_last_video[wp].reset (
new PlayerVideo (
video.image,
piece->content->video->crop (),
- piece->content->video->fade (video.frame),
- piece->content->video->scale().size (
- piece->content->video, _video_container_size, _film->frame_size ()
- ),
+ piece->content->video->fade (_film, video.frame),
+ 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->colour_conversion(),
+ piece->content->video->range(),
+ piece->content,
+ video.frame,
+ false
)
);
- emit_video (_last_video[wp], time);
+ DCPTime t = time;
+ for (int i = 0; i < frc.repeat; ++i) {
+ if (t < piece->end(_film)) {
+ emit_video (_last_video[wp], t);
+ }
+ t += one_video_frame ();
+ }
}
void
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);
+ LOG_DEBUG_PLAYER("Received audio frame %1 at %2", content_audio.frame, to_string(time));
+
/* And the end of this block in the DCP */
- DCPTime end = time + DCPTime::from_frames(content_audio.audio->frames(), content->resampled_frame_rate());
+ 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()) {
- pair<shared_ptr<AudioBuffers>, DCPTime> cut = discard_audio (content_audio.audio, time, piece->content->position());
+ if (time < piece->position()) {
+ pair<shared_ptr<AudioBuffers>, DCPTime> cut = discard_audio (content_audio.audio, time, piece->position());
if (!cut.first) {
/* This audio is entirely discarded */
return;
}
content_audio.audio = cut.first;
time = cut.second;
- } else if (time > piece->content->end()) {
+ } else if (time > piece->end(_film)) {
/* Discard it all */
return;
- } else if (end > piece->content->end()) {
- Frame const remaining_frames = DCPTime(piece->content->end() - time).frames_round(_film->audio_frame_rate());
+ } else if (end > piece->end(_film)) {
+ Frame const remaining_frames = DCPTime(piece->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);
/* 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());
+ /* XXX: this almost certainly needs to be more efficient; perhaps pieces fill a map to find
+ * the piece from the stream, then we can call the right piece with no loop.
+ */
+ BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
+ i->set_last_push_end (stream, time + DCPTime::from_frames(content_audio.audio->frames(), _film->audio_frame_rate()));
+ }
}
void
-Player::image_subtitle_start (weak_ptr<Piece> wp, ContentImageSubtitle subtitle)
+Player::bitmap_text_start (weak_ptr<Piece> wp, weak_ptr<const TextContent> wc, ContentBitmapText subtitle)
{
shared_ptr<Piece> piece = wp.lock ();
- if (!piece) {
+ shared_ptr<const TextContent> text = wc.lock ();
+ if (!piece || !text) {
return;
}
/* Apply content's subtitle offsets */
- subtitle.sub.rectangle.x += piece->content->subtitle->x_offset ();
- subtitle.sub.rectangle.y += piece->content->subtitle->y_offset ();
+ subtitle.sub.rectangle.x += text->x_offset ();
+ subtitle.sub.rectangle.y += text->y_offset ();
+
+ /* Apply a corrective translation to keep the subtitle centred after the scale that is coming up */
+ subtitle.sub.rectangle.x -= subtitle.sub.rectangle.width * ((text->x_scale() - 1) / 2);
+ subtitle.sub.rectangle.y -= subtitle.sub.rectangle.height * ((text->y_scale() - 1) / 2);
/* Apply content's subtitle scale */
- subtitle.sub.rectangle.width *= piece->content->subtitle->x_scale ();
- subtitle.sub.rectangle.height *= piece->content->subtitle->y_scale ();
+ subtitle.sub.rectangle.width *= text->x_scale ();
+ subtitle.sub.rectangle.height *= text->y_scale ();
- /* Apply a corrective translation to keep the subtitle centred after that scale */
- subtitle.sub.rectangle.x -= subtitle.sub.rectangle.width * (piece->content->subtitle->x_scale() - 1);
- subtitle.sub.rectangle.y -= subtitle.sub.rectangle.height * (piece->content->subtitle->y_scale() - 1);
+ PlayerText ps;
+ shared_ptr<Image> image = subtitle.sub.image;
- PlayerSubtitles ps;
- ps.image.push_back (subtitle.sub);
+ /* We will scale the subtitle up to fit _video_container_size */
+ 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()));
- _active_subtitles.add_from (wp, ps, from);
+ _active_texts[text->type()].add_from (wc, ps, from);
}
void
-Player::text_subtitle_start (weak_ptr<Piece> wp, ContentTextSubtitle subtitle)
+Player::plain_text_start (weak_ptr<Piece> wp, weak_ptr<const TextContent> wc, ContentStringText subtitle)
{
shared_ptr<Piece> piece = wp.lock ();
- if (!piece) {
+ shared_ptr<const TextContent> text = wc.lock ();
+ if (!piece || !text) {
return;
}
- PlayerSubtitles ps;
+ PlayerText ps;
DCPTime const from (content_time_to_dcp (piece, subtitle.from()));
+ if (from > piece->end(_film)) {
+ return;
+ }
+
BOOST_FOREACH (dcp::SubtitleString s, subtitle.subs) {
- s.set_h_position (s.h_position() + piece->content->subtitle->x_offset ());
- s.set_v_position (s.v_position() + piece->content->subtitle->y_offset ());
- float const xs = piece->content->subtitle->x_scale();
- float const ys = piece->content->subtitle->y_scale();
+ s.set_h_position (s.h_position() + text->x_offset ());
+ s.set_v_position (s.v_position() + text->y_offset ());
+ float const xs = text->x_scale();
+ float const ys = text->y_scale();
float size = s.size();
/* Adjust size to express the common part of the scaling;
}
s.set_in (dcp::Time(from.seconds(), 1000));
- ps.text.push_back (SubtitleString (s, piece->content->subtitle->outline_width()));
- ps.add_fonts (piece->content->subtitle->fonts ());
+ ps.string.push_back (StringText (s, text->outline_width()));
+ ps.add_fonts (text->fonts ());
}
- _active_subtitles.add_from (wp, ps, from);
+ _active_texts[text->type()].add_from (wc, ps, from);
}
void
-Player::subtitle_stop (weak_ptr<Piece> wp, ContentTime to)
+Player::subtitle_stop (weak_ptr<Piece> wp, weak_ptr<const TextContent> wc, ContentTime to)
{
- if (!_active_subtitles.have (wp)) {
+ shared_ptr<const TextContent> text = wc.lock ();
+ if (!text) {
+ return;
+ }
+
+ if (!_active_texts[text->type()].have(wc)) {
return;
}
DCPTime const dcp_to = content_time_to_dcp (piece, to);
- pair<PlayerSubtitles, DCPTime> from = _active_subtitles.add_to (wp, dcp_to);
+ if (dcp_to > piece->end(_film)) {
+ return;
+ }
+
+ pair<PlayerText, DCPTime> from = _active_texts[text->type()].add_to (wc, dcp_to);
- if (piece->content->subtitle->use() && !_always_burn_subtitles && !piece->content->subtitle->burn()) {
- Subtitle (from.first, DCPTimePeriod (from.second, dcp_to));
+ bool const always = (text->type() == TEXT_OPEN_SUBTITLE && _always_burn_open_subtitles);
+ if (text->use() && !always && !text->burn()) {
+ Text (from.first, text->type(), text->dcp_track().get_value_or(DCPTextTrack()), DCPTimePeriod (from.second, dcp_to));
}
}
void
Player::seek (DCPTime time, bool accurate)
{
+ boost::mutex::scoped_lock lm (_mutex);
+ LOG_DEBUG_PLAYER("Seek to %1 (%2accurate)", to_string(time), accurate ? "" : "in");
+
+ if (_suspended) {
+ /* We can't seek in this state */
+ return;
+ }
+
+ if (_shuffler) {
+ _shuffler->clear ();
+ }
+
+ _delay.clear ();
+
if (_audio_processor) {
_audio_processor->flush ();
}
_audio_merger.clear ();
- _active_subtitles.clear ();
+ for (int i = 0; i < TEXT_COUNT; ++i) {
+ _active_texts[i].clear ();
+ }
BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
- if (time < i->content->position()) {
- /* Before; seek to 0 */
- i->decoder->seek (ContentTime(), accurate);
+ if (time < i->position()) {
+ /* 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->position()), true);
i->done = false;
- } else if (i->content->position() <= time && time < i->content->end()) {
+ } else if (i->position() <= time && time < i->end(_film)) {
/* During; seek to position */
i->decoder->seek (dcp_to_content_time (i, time), accurate);
i->done = false;
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>();
}
void
Player::emit_video (shared_ptr<PlayerVideo> pv, DCPTime time)
{
- optional<PositionImage> subtitles = subtitles_for_frame (time);
- if (subtitles) {
- pv->set_subtitle (subtitles.get ());
+ /* 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 (pv->eyes() == EYES_BOTH || pv->eyes() == EYES_RIGHT) {
+ _last_video_time = time + one_video_frame();
}
+ _last_video_eyes = increment_eyes (pv->eyes());
- Video (pv, time);
+ if (_delay.size() < 3) {
+ return;
+ }
+
+ pair<shared_ptr<PlayerVideo>, DCPTime> to_do = _delay.front();
+ _delay.pop_front();
+ do_emit_video (to_do.first, to_do.second);
+}
+void
+Player::do_emit_video (shared_ptr<PlayerVideo> pv, DCPTime time)
+{
if (pv->eyes() == EYES_BOTH || pv->eyes() == EYES_RIGHT) {
- _last_video_time = time + one_video_frame();
- _active_subtitles.clear_before (time);
+ for (int i = 0; i < TEXT_COUNT; ++i) {
+ _active_texts[i].clear_before (time);
+ }
}
+
+ optional<PositionImage> subtitles = open_subtitles_for_frame (time);
+ if (subtitles) {
+ pv->set_text (subtitles.get ());
+ }
+
+ Video (pv, time);
}
void
Player::emit_audio (shared_ptr<AudioBuffers> data, DCPTime time)
{
- Audio (data, time);
+ /* Log if the assert below is about to fail */
+ if (_last_audio_time && labs(time.get() - _last_audio_time->get()) > 1) {
+ _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, allowing for half a sample (at 48kHz) leeway */
+ DCPOMATIC_ASSERT (!_last_audio_time || labs(time.get() - _last_audio_time->get()) < 2);
+ Audio (data, time, _film->audio_frame_rate());
_last_audio_time = time + DCPTime::from_frames (data->frames(), _film->audio_frame_rate());
}
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);
}
+
+void
+Player::set_dcp_decode_reduction (optional<int> reduction)
+{
+ Change (CHANGE_TYPE_PENDING, PlayerProperty::DCP_DECODE_REDUCTION, false);
+
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+
+ if (reduction == _dcp_decode_reduction) {
+ lm.unlock ();
+ Change (CHANGE_TYPE_CANCELLED, PlayerProperty::DCP_DECODE_REDUCTION, false);
+ return;
+ }
+
+ _dcp_decode_reduction = reduction;
+ setup_pieces_unlocked ();
+ }
+
+ Change (CHANGE_TYPE_DONE, PlayerProperty::DCP_DECODE_REDUCTION, false);
+}
+
+optional<DCPTime>
+Player::content_time_to_dcp (shared_ptr<Content> content, ContentTime t)
+{
+ boost::mutex::scoped_lock lm (_mutex);
+
+ BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
+ if (i->content == content) {
+ return content_time_to_dcp (i, t);
+ }
+ }
+
+ /* 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();
+}
+
+
+void
+Player::atmos (weak_ptr<Piece>, ContentAtmos data)
+{
+ Atmos (data.data, DCPTime::from_frames(data.frame, _film->video_frame_rate()), data.metadata);
+}
+