*/
#include <stdint.h>
+#include <algorithm>
#include "player.h"
#include "film.h"
#include "ffmpeg_decoder.h"
#include "sndfile_decoder.h"
#include "sndfile_content.h"
#include "subtitle_content.h"
+#include "subrip_decoder.h"
+#include "subrip_content.h"
#include "playlist.h"
#include "job.h"
#include "image.h"
#include "ratio.h"
#include "log.h"
#include "scaler.h"
+#include "render_subtitles.h"
using std::list;
using std::cout;
for (list<shared_ptr<Piece> >::iterator i = _pieces.begin(); i != _pieces.end(); ++i) {
- shared_ptr<Decoded> dec = (*i)->decoder->peek ();
+ DCPTime const offset = (*i)->content->position() - (*i)->content->trim_start();
+
+ bool done = false;
+ shared_ptr<Decoded> dec;
+ while (!done) {
+ dec = (*i)->decoder->peek ();
+ if (!dec) {
+ /* Decoder has nothing else to give us */
+ break;
+ }
+
+ dec->set_dcp_times (_film->video_frame_rate(), _film->audio_frame_rate(), (*i)->frc, offset);
+ DCPTime const t = dec->dcp_time - offset;
+ if (t >= ((*i)->content->full_length() - (*i)->content->trim_end ())) {
+ /* In the end-trimmed part; decoder has nothing else to give us */
+ dec.reset ();
+ done = true;
+ } else if (t >= (*i)->content->trim_start ()) {
+ /* Within the un-trimmed part; everything's ok */
+ done = true;
+ } else {
+ /* Within the start-trimmed part; get something else */
+ (*i)->decoder->consume ();
+ }
+ }
- if (dec) {
- dec->set_dcp_times ((*i)->frc.speed_up, (*i)->content->position());
+ if (!dec) {
+ continue;
}
- if (dec && dec->dcp_time < earliest_time) {
+ if (dec->dcp_time < earliest_time) {
earliest_piece = *i;
earliest_decoded = dec;
earliest_time = dec->dcp_time;
}
if (earliest_audio != TIME_MAX) {
- TimedAudioBuffers<DCPTime> tb = _audio_merger.pull (earliest_audio);
+ TimedAudioBuffers<DCPTime> tb = _audio_merger.pull (max (int64_t (0), earliest_audio));
Audio (tb.audio, tb.time);
+ /* This assumes that the audio_frames_to_time conversion is exact
+ so that there are no accumulated errors caused by rounding.
+ */
_audio_position += _film->audio_frames_to_time (tb.audio->frames ());
}
shared_ptr<DecodedVideo> dv = dynamic_pointer_cast<DecodedVideo> (earliest_decoded);
shared_ptr<DecodedAudio> da = dynamic_pointer_cast<DecodedAudio> (earliest_decoded);
- shared_ptr<DecodedSubtitle> ds = dynamic_pointer_cast<DecodedSubtitle> (earliest_decoded);
+ shared_ptr<DecodedImageSubtitle> dis = dynamic_pointer_cast<DecodedImageSubtitle> (earliest_decoded);
+ shared_ptr<DecodedTextSubtitle> dts = dynamic_pointer_cast<DecodedTextSubtitle> (earliest_decoded);
+
+ /* Will be set to false if we shouldn't consume the peeked DecodedThing */
+ bool consume = true;
if (dv && _video) {
- if (!_just_did_inaccurate_seek && earliest_time > _video_position) {
- /* See if we're inside some video content */
+ if (_just_did_inaccurate_seek) {
+
+ /* Just emit; no subtlety */
+ emit_video (earliest_piece, dv);
+ step_video_position (dv);
+
+ } else if (dv->dcp_time > _video_position) {
+
+ /* Too far ahead */
+
list<shared_ptr<Piece> >::iterator i = _pieces.begin();
while (i != _pieces.end() && ((*i)->content->position() >= _video_position || _video_position >= (*i)->content->end())) {
++i;
if (i == _pieces.end() || !_last_incoming_video.video || !_have_valid_pieces) {
/* We're outside all video content */
emit_black ();
+ _statistics.video.black++;
} else {
+ /* We're inside some video; repeat the frame */
_last_incoming_video.video->dcp_time = _video_position;
emit_video (_last_incoming_video.weak_piece, _last_incoming_video.video);
+ step_video_position (_last_incoming_video.video);
+ _statistics.video.repeat++;
}
- } else {
+
+ consume = false;
+
+ } else if (dv->dcp_time == _video_position) {
+ /* We're ok */
emit_video (earliest_piece, dv);
- earliest_piece->decoder->get ();
+ step_video_position (dv);
+ _statistics.video.good++;
+ } else {
+ /* Too far behind: skip */
+ _statistics.video.skip++;
}
+
+ _just_did_inaccurate_seek = false;
+
} else if (da && _audio) {
- if (!_just_did_inaccurate_seek && earliest_time > _audio_position) {
- emit_silence (earliest_time - _audio_position);
- } else {
+
+ if (da->dcp_time > _audio_position) {
+ /* Too far ahead */
+ emit_silence (da->dcp_time - _audio_position);
+ consume = false;
+ _statistics.audio.silence += (da->dcp_time - _audio_position);
+ } else if (da->dcp_time == _audio_position) {
+ /* We're ok */
emit_audio (earliest_piece, da);
- earliest_piece->decoder->get ();
+ _statistics.audio.good += da->data->frames();
+ } else {
+ /* Too far behind: skip */
+ _statistics.audio.skip += da->data->frames();
}
- } else if (ds && _video) {
- _in_subtitle.piece = earliest_piece;
- _in_subtitle.subtitle = ds;
- update_subtitle ();
- earliest_piece->decoder->get ();
+
+ } else if (dis && _video) {
+ _image_subtitle.piece = earliest_piece;
+ _image_subtitle.subtitle = dis;
+ update_subtitle_from_image ();
+ } else if (dts && _video) {
+ _text_subtitle.piece = earliest_piece;
+ _text_subtitle.subtitle = dts;
+ update_subtitle_from_text ();
}
- _just_did_inaccurate_seek = false;
-
+ if (consume) {
+ earliest_piece->decoder->consume ();
+ }
+
return false;
}
assert (content);
FrameRateChange frc (content->video_frame_rate(), _film->video_frame_rate());
-#if 0
- XXX
- if (frc.skip && (frame % 2) == 1) {
- return;
- }
-#endif
-
- if (content->trimmed (video->dcp_time - content->position ())) {
- return;
- }
float const ratio = content->ratio() ? content->ratio()->ratio() : content->video_size_after_crop().ratio();
libdcp::Size image_size = fit_ratio_within (ratio, _video_container_size);
if (
_film->with_subtitles () &&
- _out_subtitle.subtitle->image &&
- video->dcp_time >= _out_subtitle.subtitle->dcp_time && video->dcp_time <= _out_subtitle.subtitle->dcp_time_to
+ _out_subtitle.image &&
+ video->dcp_time >= _out_subtitle.from && video->dcp_time <= _out_subtitle.to
) {
Position<int> const container_offset (
(_video_container_size.width - image_size.width) / 2,
- (_video_container_size.height - image_size.width) / 2
+ (_video_container_size.height - image_size.height) / 2
);
- pi->set_subtitle (_out_subtitle.subtitle->image, _out_subtitle.position + container_offset);
+ pi->set_subtitle (_out_subtitle.image, _out_subtitle.position + container_offset);
}
+
#ifdef DCPOMATIC_DEBUG
_last_video = piece->content;
#endif
Video (pi, video->eyes, content->colour_conversion(), video->same, video->dcp_time);
-
+
_last_emit_was_black = false;
- _video_position = rint (video->dcp_time + TIME_HZ / _film->video_frame_rate());
+}
+
+void
+Player::step_video_position (shared_ptr<DecodedVideo> video)
+{
+ /* This is a bit of a hack; don't update _video_position if EYES_RIGHT is on its way */
+ if (video->eyes != EYES_LEFT) {
+ /* This assumes that the video_frames_to_time conversion is exact
+ so that there are no accumulated errors caused by rounding.
+ */
+ _video_position += _film->video_frames_to_time (1);
+ }
}
void
audio->data = gain;
}
- if (content->trimmed (audio->dcp_time - content->position ())) {
- return;
- }
-
/* Remap channels */
shared_ptr<AudioBuffers> dcp_mapped (new AudioBuffers (_film->audio_channels(), audio->data->frames()));
dcp_mapped->make_silent ();
- list<pair<int, libdcp::Channel> > map = content->audio_mapping().content_to_dcp ();
- for (list<pair<int, libdcp::Channel> >::iterator i = map.begin(); i != map.end(); ++i) {
- if (i->first < audio->data->channels() && i->second < dcp_mapped->channels()) {
- dcp_mapped->accumulate_channel (audio->data.get(), i->first, i->second);
+ AudioMapping map = content->audio_mapping ();
+ for (int i = 0; i < map.content_channels(); ++i) {
+ for (int j = 0; j < _film->audio_channels(); ++j) {
+ if (map.get (i, static_cast<libdcp::Channel> (j)) > 0) {
+ dcp_mapped->accumulate_channel (
+ audio->data.get(),
+ i,
+ static_cast<libdcp::Channel> (j),
+ map.get (i, static_cast<libdcp::Channel> (j))
+ );
+ }
}
}
Player::flush ()
{
TimedAudioBuffers<DCPTime> tb = _audio_merger.flush ();
- if (tb.audio) {
+ if (_audio && tb.audio) {
Audio (tb.audio, tb.time);
_audio_position += _film->audio_frames_to_time (tb.audio->frames ());
}
- while (_video_position < _audio_position) {
+ while (_video && _video_position < _audio_position) {
emit_black ();
}
- while (_audio_position < _video_position) {
+ while (_audio && _audio_position < _video_position) {
emit_silence (_video_position - _audio_position);
}
s = min ((*i)->content->length_after_trim(), s);
/* Convert this to the content time */
- ContentTime ct = (s * (*i)->frc.speed_up) + (*i)->content->trim_start ();
+ ContentTime ct = (s + (*i)->content->trim_start()) * (*i)->frc.speed_up;
/* And seek the decoder */
(*i)->decoder->seek (ct, accurate);
for (ContentList::iterator i = content.begin(); i != content.end(); ++i) {
+ if (!(*i)->paths_valid ()) {
+ continue;
+ }
+
shared_ptr<Decoder> decoder;
optional<FrameRateChange> frc;
+ /* Work out a FrameRateChange for the best overlap video for this content, in case we need it below */
+ DCPTime best_overlap_t = 0;
+ shared_ptr<VideoContent> best_overlap;
+ for (ContentList::iterator j = content.begin(); j != content.end(); ++j) {
+ shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*j);
+ if (!vc) {
+ continue;
+ }
+
+ DCPTime const overlap = max (vc->position(), (*i)->position()) - min (vc->end(), (*i)->end());
+ if (overlap > best_overlap_t) {
+ best_overlap = vc;
+ best_overlap_t = overlap;
+ }
+ }
+
+ optional<FrameRateChange> best_overlap_frc;
+ if (best_overlap) {
+ best_overlap_frc = FrameRateChange (best_overlap->video_frame_rate(), _film->video_frame_rate ());
+ } else {
+ /* No video overlap; e.g. if the DCP is just audio */
+ best_overlap_frc = FrameRateChange (_film->video_frame_rate(), _film->video_frame_rate ());
+ }
+
+ /* FFmpeg */
shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (*i);
if (fc) {
decoder.reset (new FFmpegDecoder (_film, fc, _video, _audio));
frc = FrameRateChange (fc->video_frame_rate(), _film->video_frame_rate());
}
-
+
+ /* ImageContent */
shared_ptr<const ImageContent> ic = dynamic_pointer_cast<const ImageContent> (*i);
if (ic) {
/* See if we can re-use an old ImageDecoder */
frc = FrameRateChange (ic->video_frame_rate(), _film->video_frame_rate());
}
+ /* SndfileContent */
shared_ptr<const SndfileContent> sc = dynamic_pointer_cast<const SndfileContent> (*i);
if (sc) {
decoder.reset (new SndfileDecoder (_film, sc));
+ frc = best_overlap_frc;
+ }
- /* Working out the frc for this content is a bit tricky: what if it overlaps
- two pieces of video content with different frame rates? For now, use
- the one with the best overlap.
- */
-
- DCPTime best_overlap_t = 0;
- shared_ptr<VideoContent> best_overlap;
- for (ContentList::iterator j = content.begin(); j != content.end(); ++j) {
- shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*j);
- if (!vc) {
- continue;
- }
-
- DCPTime const overlap = max (vc->position(), sc->position()) - min (vc->end(), sc->end());
- if (overlap > best_overlap_t) {
- best_overlap = vc;
- best_overlap_t = overlap;
- }
- }
-
- if (best_overlap) {
- frc = FrameRateChange (best_overlap->video_frame_rate(), _film->video_frame_rate ());
- } else {
- /* No video overlap; e.g. if the DCP is just audio */
- frc = FrameRateChange (_film->video_frame_rate(), _film->video_frame_rate ());
- }
+ /* SubRipContent */
+ shared_ptr<const SubRipContent> rc = dynamic_pointer_cast<const SubRipContent> (*i);
+ if (rc) {
+ decoder.reset (new SubRipDecoder (_film, rc));
+ frc = best_overlap_frc;
}
- decoder->seek ((*i)->trim_start (), true);
+ ContentTime st = (*i)->trim_start() * frc->speed_up;
+ decoder->seek (st, true);
_pieces.push_back (shared_ptr<Piece> (new Piece (*i, decoder, frc.get ())));
}
_have_valid_pieces = true;
+
+ /* The Piece for the _last_incoming_video will no longer be valid */
+ _last_incoming_video.video.reset ();
+
+ _video_position = _audio_position = 0;
}
void
_have_valid_pieces = false;
Changed (frequent);
- } else if (property == SubtitleContentProperty::SUBTITLE_OFFSET || property == SubtitleContentProperty::SUBTITLE_SCALE) {
+ } else if (
+ property == SubtitleContentProperty::SUBTITLE_X_OFFSET ||
+ property == SubtitleContentProperty::SUBTITLE_Y_OFFSET ||
+ property == SubtitleContentProperty::SUBTITLE_SCALE
+ ) {
- update_subtitle ();
+ update_subtitle_from_image ();
+ update_subtitle_from_text ();
Changed (frequent);
- } else if (property == VideoContentProperty::VIDEO_CROP || property == VideoContentProperty::VIDEO_RATIO) {
+ } else if (
+ property == VideoContentProperty::VIDEO_CROP || property == VideoContentProperty::VIDEO_RATIO ||
+ property == VideoContentProperty::VIDEO_FRAME_RATE
+ ) {
Changed (frequent);
} else if (property == ContentProperty::PATH) {
+ _have_valid_pieces = false;
Changed (frequent);
}
}
shared_ptr<AudioBuffers> silence (new AudioBuffers (_film->audio_channels(), t * _film->audio_frame_rate() / TIME_HZ));
silence->make_silent ();
Audio (silence, _audio_position);
+
_audio_position += t;
}
last time we were run.
*/
- if (p == Film::SCALER || p == Film::WITH_SUBTITLES || p == Film::CONTAINER) {
+ if (p == Film::SCALER || p == Film::WITH_SUBTITLES || p == Film::CONTAINER || p == Film::VIDEO_FRAME_RATE) {
Changed (false);
}
}
void
-Player::update_subtitle ()
+Player::update_subtitle_from_image ()
{
- shared_ptr<Piece> piece = _in_subtitle.piece.lock ();
+ shared_ptr<Piece> piece = _image_subtitle.piece.lock ();
if (!piece) {
return;
}
- if (!_in_subtitle.subtitle->image) {
- _out_subtitle.subtitle->image.reset ();
+ if (!_image_subtitle.subtitle->image) {
+ _out_subtitle.image.reset ();
return;
}
shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (piece->content);
assert (sc);
- dcpomatic::Rect<double> in_rect = _in_subtitle.subtitle->rect;
+ dcpomatic::Rect<double> in_rect = _image_subtitle.subtitle->rect;
libdcp::Size scaled_size;
- in_rect.y += sc->subtitle_offset ();
+ in_rect.x += sc->subtitle_x_offset ();
+ in_rect.y += sc->subtitle_y_offset ();
/* We will scale the subtitle up to fit _video_container_size, and also by the additional subtitle_scale */
scaled_size.width = in_rect.width * _video_container_size.width * sc->subtitle_scale ();
_out_subtitle.position.x = rint (_video_container_size.width * (in_rect.x + (in_rect.width * (1 - sc->subtitle_scale ()) / 2)));
_out_subtitle.position.y = rint (_video_container_size.height * (in_rect.y + (in_rect.height * (1 - sc->subtitle_scale ()) / 2)));
- _out_subtitle.subtitle->image = _in_subtitle.subtitle->image->scale (
+ _out_subtitle.image = _image_subtitle.subtitle->image->scale (
scaled_size,
Scaler::from_id ("bicubic"),
- _in_subtitle.subtitle->image->pixel_format (),
+ _image_subtitle.subtitle->image->pixel_format (),
true
);
- _out_subtitle.subtitle->dcp_time = _in_subtitle.subtitle->dcp_time;
- _out_subtitle.subtitle->dcp_time = _in_subtitle.subtitle->dcp_time;
+ _out_subtitle.from = _image_subtitle.subtitle->dcp_time + piece->content->position ();
+ _out_subtitle.to = _image_subtitle.subtitle->dcp_time_to + piece->content->position ();
}
/** Re-emit the last frame that was emitted, using current settings for crop, ratio, scaler and subtitles.
return true;
}
+void
+Player::update_subtitle_from_text ()
+{
+ if (_text_subtitle.subtitle->subs.empty ()) {
+ _out_subtitle.image.reset ();
+ return;
+ }
+
+ render_subtitles (_text_subtitle.subtitle->subs, _video_container_size, _out_subtitle.image, _out_subtitle.position);
+}
+
void
Player::set_approximate_size ()
{
_approximate_size = true;
}
-
PlayerImage::PlayerImage (
shared_ptr<const Image> in,
Crop crop,
return out;
}
+void
+PlayerStatistics::dump (shared_ptr<Log> log) const
+{
+ log->log (String::compose ("Video: %1 good %2 skipped %3 black %4 repeat", video.good, video.skip, video.black, video.repeat));
+ log->log (String::compose ("Audio: %1 good %2 skipped %3 silence", audio.good, audio.skip, audio.silence));
+}
+
+PlayerStatistics const &
+Player::statistics () const
+{
+ return _statistics;
+}