#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;
+ }
- if (dec) {
- dec->set_dcp_times ((*i)->frc.speed_up, (*i)->content->position() - (*i)->content->trim_start());
+ 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->dcp_time < earliest_time) {
+ if (!dec) {
+ continue;
+ }
+
+ if (dec->dcp_time < earliest_time) {
earliest_piece = *i;
earliest_decoded = dec;
earliest_time = dec->dcp_time;
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;
- /* This is the margin either side of _{video,audio}_position that we will accept
- as a starting point for a frame consecutive to the previous.
- */
- DCPTime const margin = TIME_HZ / (2 * _film->video_frame_rate ());
-
if (dv && _video) {
if (_just_did_inaccurate_seek) {
emit_video (earliest_piece, dv);
step_video_position (dv);
- } else if (dv->dcp_time - _video_position > margin) {
+ } else if (dv->dcp_time > _video_position) {
/* Too far ahead */
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++;
}
consume = false;
- } else if (abs (dv->dcp_time - _video_position) < margin) {
+ } else if (dv->dcp_time == _video_position) {
/* We're ok */
emit_video (earliest_piece, dv);
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 (da->dcp_time - _audio_position > margin) {
+ if (da->dcp_time > _audio_position) {
/* Too far ahead */
emit_silence (da->dcp_time - _audio_position);
consume = false;
- } else if (abs (da->dcp_time - _audio_position) < margin) {
+ _statistics.audio.silence += (da->dcp_time - _audio_position);
+ } else if (da->dcp_time == _audio_position) {
/* We're ok */
emit_audio (earliest_piece, da);
+ _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 ();
+ } 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 ();
}
if (consume) {
pi->set_subtitle (_out_subtitle.image, _out_subtitle.position + container_offset);
}
+
#ifdef DCPOMATIC_DEBUG
_last_video = piece->content;
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);
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 ())));
}
} else if (property == SubtitleContentProperty::SUBTITLE_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);
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) {
+ 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 ();
_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.image = _in_subtitle.subtitle->image->scale (
+
+ _out_subtitle.image = _image_subtitle.subtitle->image->scale (
scaled_size,
Scaler::from_id ("bicubic"),
- PIX_FMT_RGBA,
+ _image_subtitle.subtitle->image->pixel_format (),
true
);
-
- _out_subtitle.from = _in_subtitle.subtitle->dcp_time;
- _out_subtitle.to = _in_subtitle.subtitle->dcp_time_to;
+
+ _out_subtitle.from = _image_subtitle.subtitle->dcp_time;
+ _out_subtitle.to = _image_subtitle.subtitle->dcp_time_to;
}
/** 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;
+}