*/
#include <stdint.h>
+#include <algorithm>
#include "player.h"
#include "film.h"
#include "ffmpeg_decoder.h"
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());
+ 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;
}
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.
/* 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) {
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 ();
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);
}
}
- 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 ())));
}
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;
+}
projects / dcpomatic.git / blobdiff