#include "film.h"
#include "ffmpeg_decoder.h"
#include "ffmpeg_content.h"
-#include "still_image_decoder.h"
-#include "still_image_content.h"
-#include "moving_image_decoder.h"
-#include "moving_image_content.h"
+#include "image_decoder.h"
+#include "image_content.h"
#include "sndfile_decoder.h"
#include "sndfile_content.h"
#include "subtitle_content.h"
shared_ptr<Content> content;
shared_ptr<Decoder> decoder;
+ /** Time of the last video we emitted relative to the start of the DCP */
Time video_position;
+ /** Time of the last audio we emitted relative to the start of the DCP */
Time audio_position;
IncomingVideo repeat_video;
}
if (_audio) {
- Time audio_done_up_to = TIME_MAX;
+ boost::optional<Time> audio_done_up_to;
for (list<shared_ptr<Piece> >::iterator i = _pieces.begin(); i != _pieces.end(); ++i) {
+ if ((*i)->decoder->done ()) {
+ continue;
+ }
+
if (dynamic_pointer_cast<AudioDecoder> ((*i)->decoder)) {
- audio_done_up_to = min (audio_done_up_to, (*i)->audio_position);
+ audio_done_up_to = min (audio_done_up_to.get_value_or (TIME_MAX), (*i)->audio_position);
}
}
- TimedAudioBuffers<Time> tb = _audio_merger.pull (audio_done_up_to);
- Audio (tb.audio, tb.time);
- _audio_position += _film->audio_frames_to_time (tb.audio->frames ());
+ if (audio_done_up_to) {
+ TimedAudioBuffers<Time> tb = _audio_merger.pull (audio_done_up_to.get ());
+ Audio (tb.audio, tb.time);
+ _audio_position += _film->audio_frames_to_time (tb.audio->frames ());
+ }
}
return false;
return;
}
- /* Convert to RGB first, as FFmpeg doesn't seem to like handling YUV images with odd widths */
- shared_ptr<Image> work_image = image->scale (image->size (), _film->scaler(), PIX_FMT_RGB24, true);
-
- work_image = work_image->crop (content->crop(), true);
-
+ Time const time = content->position() + relative_time + extra - content->trim_start ();
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);
+ libdcp::Size const image_size = fit_ratio_within (ratio, _video_container_size);
- work_image = work_image->scale (image_size, _film->scaler(), PIX_FMT_RGB24, true);
+ shared_ptr<Image> work_image = image->crop_scale_window (content->crop(), image_size, _video_container_size, _film->scaler(), PIX_FMT_RGB24, false);
- Time time = content->position() + relative_time + extra - content->trim_start ();
-
- if (_film->with_subtitles () && _out_subtitle.image && time >= _out_subtitle.from && time <= _out_subtitle.to) {
- work_image->alpha_blend (_out_subtitle.image, _out_subtitle.position);
- }
+ Position<int> const container_offset (
+ (_video_container_size.width - image_size.width) / 2,
+ (_video_container_size.height - image_size.width) / 2
+ );
- if (image_size != _video_container_size) {
- assert (image_size.width <= _video_container_size.width);
- assert (image_size.height <= _video_container_size.height);
- shared_ptr<Image> im (new Image (PIX_FMT_RGB24, _video_container_size, true));
- im->make_black ();
- im->copy (work_image, Position<int> ((_video_container_size.width - image_size.width) / 2, (_video_container_size.height - image_size.height) / 2));
- work_image = im;
+ if (_film->with_subtitles () && _out_subtitle.image && time >= _out_subtitle.from && time <= _out_subtitle.to) {
+ work_image->alpha_blend (_out_subtitle.image, _out_subtitle.position + container_offset);
}
#ifdef DCPOMATIC_DEBUG
Video (work_image, eyes, content->colour_conversion(), same, time);
- time += TIME_HZ / _film->video_frame_rate();
_last_emit_was_black = false;
- _video_position = piece->video_position = time;
+ _video_position = piece->video_position = (time + TIME_HZ / _film->video_frame_rate());
if (frc.repeat > 1 && !piece->repeating ()) {
piece->set_repeat (_last_incoming_video, frc.repeat - 1);
return;
}
- Time time = content->position() + (content->audio_delay() * TIME_HZ / 1000) + relative_time;
+ Time time = content->position() + (content->audio_delay() * TIME_HZ / 1000) + relative_time - content->trim_start ();
/* Remap channels */
shared_ptr<AudioBuffers> dcp_mapped (new AudioBuffers (_film->audio_channels(), audio->frames()));
if (!vc) {
continue;
}
-
+
+ /* s is the offset of t from the start position of this content */
Time s = t - vc->position ();
s = max (static_cast<Time> (0), s);
s = min (vc->length_after_trim(), s);
+ /* Hence set the piece positions to the `global' time */
(*i)->video_position = (*i)->audio_position = vc->position() + s;
- FrameRateConversion frc (vc->video_frame_rate(), _film->video_frame_rate());
- /* Here we are converting from time (in the DCP) to a frame number in the content.
- Hence we need to use the DCP's frame rate and the double/skip correction, not
- the source's rate.
- */
- VideoContent::Frame f = (s + vc->trim_start ()) * _film->video_frame_rate() / (frc.factor() * TIME_HZ);
- dynamic_pointer_cast<VideoDecoder>((*i)->decoder)->seek (f, accurate);
+ /* And seek the decoder */
+ dynamic_pointer_cast<VideoDecoder>((*i)->decoder)->seek (
+ vc->time_to_content_video_frames (s + vc->trim_start ()), accurate
+ );
(*i)->reset_repeat ();
}
if (fc) {
shared_ptr<FFmpegDecoder> fd (new FFmpegDecoder (_film, fc, _video, _audio));
- fd->Video.connect (bind (&Player::process_video, this, piece, _1, _2, _3, _4, 0));
- fd->Audio.connect (bind (&Player::process_audio, this, piece, _1, _2));
- fd->Subtitle.connect (bind (&Player::process_subtitle, this, piece, _1, _2, _3, _4));
+ fd->Video.connect (bind (&Player::process_video, this, weak_ptr<Piece> (piece), _1, _2, _3, _4, 0));
+ fd->Audio.connect (bind (&Player::process_audio, this, weak_ptr<Piece> (piece), _1, _2));
+ fd->Subtitle.connect (bind (&Player::process_subtitle, this, weak_ptr<Piece> (piece), _1, _2, _3, _4));
+ fd->seek (fc->time_to_content_video_frames (fc->trim_start ()), true);
piece->decoder = fd;
}
- shared_ptr<const StillImageContent> ic = dynamic_pointer_cast<const StillImageContent> (*i);
+ shared_ptr<const ImageContent> ic = dynamic_pointer_cast<const ImageContent> (*i);
if (ic) {
- shared_ptr<StillImageDecoder> id;
+ bool reusing = false;
- /* See if we can re-use an old StillImageDecoder */
+ /* See if we can re-use an old ImageDecoder */
for (list<shared_ptr<Piece> >::const_iterator j = old_pieces.begin(); j != old_pieces.end(); ++j) {
- shared_ptr<StillImageDecoder> imd = dynamic_pointer_cast<StillImageDecoder> ((*j)->decoder);
+ shared_ptr<ImageDecoder> imd = dynamic_pointer_cast<ImageDecoder> ((*j)->decoder);
if (imd && imd->content() == ic) {
- id = imd;
+ piece = *j;
+ reusing = true;
}
}
- if (!id) {
- id.reset (new StillImageDecoder (_film, ic));
- id->Video.connect (bind (&Player::process_video, this, piece, _1, _2, _3, _4, 0));
- }
-
- piece->decoder = id;
- }
-
- shared_ptr<const MovingImageContent> mc = dynamic_pointer_cast<const MovingImageContent> (*i);
- if (mc) {
- shared_ptr<MovingImageDecoder> md;
-
- if (!md) {
- md.reset (new MovingImageDecoder (_film, mc));
- md->Video.connect (bind (&Player::process_video, this, piece, _1, _2, _3, _4, 0));
+ if (!reusing) {
+ shared_ptr<ImageDecoder> id (new ImageDecoder (_film, ic));
+ id->Video.connect (bind (&Player::process_video, this, weak_ptr<Piece> (piece), _1, _2, _3, _4, 0));
+ piece->decoder = id;
}
-
- piece->decoder = md;
}
shared_ptr<const SndfileContent> sc = dynamic_pointer_cast<const SndfileContent> (*i);
if (sc) {
shared_ptr<AudioDecoder> sd (new SndfileDecoder (_film, sc));
- sd->Audio.connect (bind (&Player::process_audio, this, piece, _1, _2));
+ sd->Audio.connect (bind (&Player::process_audio, this, weak_ptr<Piece> (piece), _1, _2));
piece->decoder = sd;
}
if (!create) {
return shared_ptr<Resampler> ();
}
+
+ _film->log()->log (
+ String::compose (
+ "Creating new resampler for %1 to %2 with %3 channels", c->content_audio_frame_rate(), c->output_audio_frame_rate(), c->audio_channels()
+ )
+ );
shared_ptr<Resampler> r (new Resampler (c->content_audio_frame_rate(), c->output_audio_frame_rate(), c->audio_channels()));
_resamplers[c] = r;
#ifdef DCPOMATIC_DEBUG
_last_video.reset ();
#endif
-
+
Video (_black_frame, EYES_BOTH, ColourConversion(), _last_emit_was_black, _video_position);
_video_position += _film->video_frames_to_time (1);
_last_emit_was_black = true;