#include "film.h"
#include "ffmpeg_decoder.h"
#include "ffmpeg_content.h"
-#include "imagemagick_decoder.h"
-#include "imagemagick_content.h"
+#include "still_image_decoder.h"
+#include "still_image_content.h"
+#include "moving_image_decoder.h"
+#include "moving_image_content.h"
#include "sndfile_decoder.h"
#include "sndfile_content.h"
+#include "subtitle_content.h"
#include "playlist.h"
#include "job.h"
#include "image.h"
#include "ratio.h"
#include "resampler.h"
+#include "log.h"
+#include "scaler.h"
using std::list;
using std::cout;
using boost::weak_ptr;
using boost::dynamic_pointer_cast;
-#define DEBUG_PLAYER 1
+//#define DEBUG_PLAYER 1
class Piece
{
public:
Piece (shared_ptr<Content> c)
: content (c)
- , video_position (c->start ())
- , audio_position (c->start ())
+ , video_position (c->position ())
+ , audio_position (c->position ())
{}
Piece (shared_ptr<Content> c, shared_ptr<Decoder> d)
: content (c)
, decoder (d)
- , video_position (c->start ())
- , audio_position (c->start ())
+ , video_position (c->position ())
+ , audio_position (c->position ())
{}
shared_ptr<Content> content;
std::ostream& operator<<(std::ostream& s, Piece const & p)
{
if (dynamic_pointer_cast<FFmpegContent> (p.content)) {
- s << "\tffmpeg ";
- } else if (dynamic_pointer_cast<ImageMagickContent> (p.content)) {
- s << "\timagemagick";
+ s << "\tffmpeg ";
+ } else if (dynamic_pointer_cast<StillImageContent> (p.content)) {
+ s << "\tstill image";
} else if (dynamic_pointer_cast<SndfileContent> (p.content)) {
- s << "\tsndfile ";
+ s << "\tsndfile ";
}
- s << " at " << p.content->start() << " until " << p.content->end();
+ s << " at " << p.content->position() << " until " << p.content->end();
return s;
}
, _have_valid_pieces (false)
, _video_position (0)
, _audio_position (0)
- , _audio_buffers (f->dcp_audio_channels(), 0)
+ , _audio_merger (f->audio_channels(), bind (&Film::time_to_audio_frames, f.get(), _1), bind (&Film::audio_frames_to_time, f.get(), _1))
+ , _last_emit_was_black (false)
{
- _playlist->Changed.connect (bind (&Player::playlist_changed, this));
- _playlist->ContentChanged.connect (bind (&Player::content_changed, this, _1, _2));
- _film->Changed.connect (bind (&Player::film_changed, this, _1));
- set_video_container_size (_film->container()->size (_film->full_frame ()));
+ _playlist_changed_connection = _playlist->Changed.connect (bind (&Player::playlist_changed, this));
+ _playlist_content_changed_connection = _playlist->ContentChanged.connect (bind (&Player::content_changed, this, _1, _2, _3));
+ _film_changed_connection = _film->Changed.connect (bind (&Player::film_changed, this, _1));
+ set_video_container_size (fit_ratio_within (_film->container()->ratio (), _film->full_frame ()));
}
void
}
#ifdef DEBUG_PLAYER
- cout << "= PASS " << this << "\n";
+ cout << "= PASS\n";
#endif
- Time earliest_t = TIME_MAX;
-
shared_ptr<Piece> earliest;
+ Time earliest_t = TIME_MAX;
+ shared_ptr<Piece> earliest;
enum {
VIDEO,
AUDIO
continue;
}
- if (dynamic_pointer_cast<VideoDecoder> ((*i)->decoder)) {
+ if (_video && dynamic_pointer_cast<VideoDecoder> ((*i)->decoder)) {
if ((*i)->video_position < earliest_t) {
earliest_t = (*i)->video_position;
earliest = *i;
}
}
- if (dynamic_pointer_cast<AudioDecoder> ((*i)->decoder)) {
+ if (
_audio && dynamic_pointer_cast<AudioDecoder> ((*i)->decoder)) {
if ((*i)->audio_position < earliest_t) {
earliest_t = (*i)->audio_position;
earliest = *i;
case VIDEO:
if (earliest_t > _video_position) {
#ifdef DEBUG_PLAYER
- cout << "no video here; emitting black frame.\n";
+ cout << "no video here; emitting black frame (earliest=" << earliest_t << ", video_position=" << _video_position << ").\n";
#endif
emit_black ();
} else {
#ifdef DEBUG_PLAYER
- cout << "Pass " << *earliest << "\n";
+ cout << "Pass video " << *earliest << "\n";
#endif
earliest->decoder->pass ();
}
case AUDIO:
if (earliest_t > _audio_position) {
#ifdef DEBUG_PLAYER
- cout << "no audio here; emitting silence.\n";
+ cout << "no audio here (none until " << earliest_t << "); emitting silence.\n";
#endif
emit_silence (_film->time_to_audio_frames (earliest_t - _audio_position));
} else {
#ifdef DEBUG_PLAYER
- cout << "Pass " << *earliest << "\n";
-#endif
+ cout << "Pass audio " << *earliest << "\n";
+#endif
earliest->decoder->pass ();
+
+ if (earliest->decoder->done()) {
+ shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (earliest->content);
+ assert (ac);
+ shared_ptr<Resampler> re = resampler (ac, false);
+ if (re) {
+ shared_ptr<const AudioBuffers> b = re->flush ();
+ if (b->frames ()) {
+ process_audio (earliest, b, ac->audio_length ());
+ }
+ }
+ }
}
break;
}
+ if (_audio) {
+ Time audio_done_up_to = TIME_MAX;
+ for (list<shared_ptr<Piece> >::iterator i = _pieces.begin(); i != _pieces.end(); ++i) {
+ if (dynamic_pointer_cast<AudioDecoder> ((*i)->decoder)) {
+ audio_done_up_to = min (audio_done_up_to, (*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 ());
+ }
+
#ifdef DEBUG_PLAYER
- cout << "\tpost pass " << _video_position << " " << _audio_position << "\n";
+ cout << "\tpost pass _video_position=" << _video_position << " _audio_position=" << _audio_position << "\n";
#endif
- return false;
+ return false;
}
void
-Player::process_video (weak_ptr<Piece> weak_piece, shared_ptr<const Image> image, bool same, VideoContent::Frame frame)
+Player::process_video (weak_ptr<Piece> weak_piece, shared_ptr<const Image> image, Eyes eyes, bool same, VideoContent::Frame frame)
{
shared_ptr<Piece> piece = weak_piece.lock ();
if (!piece) {
shared_ptr<VideoContent> content = dynamic_pointer_cast<VideoContent> (piece->content);
assert (content);
- FrameRateConversion frc (content->video_frame_rate(), _film->dcp_video_frame_rate());
+ FrameRateConversion frc (content->video_frame_rate(), _film->video_frame_rate());
if (frc.skip && (frame % 2) == 1) {
return;
}
- image = image->crop (content->crop(), true);
+ Time const relative_time = (frame * frc.factor() * TIME_HZ / _film->video_frame_rate());
+ if (content->trimmed (relative_time)) {
+ 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);
- libdcp::Size const image_size = content->ratio()->size (_video_container_size);
+ work_image = work_image->crop (content->crop(), true);
+
+ 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);
- image = image->scale_and_convert_to_rgb (image_size, _film->scaler(), true);
+ work_image = work_image->scale (image_size, _film->scaler(), PIX_FMT_RGB24, true);
-#if 0
- if (film->with_subtitles ()) {
- shared_ptr<Subtitle> sub;
- if (_timed_subtitle && _timed_subtitle->displayed_at (t)) {
- sub = _timed_subtitle->subtitle ();
- }
-
- if (sub) {
- dcpomatic::Rect const tx = subtitle_transformed_area (
- float (image_size.width) / content->video_size().width,
- float (image_size.height) / content->video_size().height,
- sub->area(), film->subtitle_offset(), film->subtitle_scale()
- );
-
- shared_ptr<Image> im = sub->image()->scale (tx.size(), film->scaler(), true);
- image->alpha_blend (im, tx.position());
- }
+ Time time = content->position() + relative_time - 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);
}
-#endif
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 SimpleImage (PIX_FMT_RGB24, _video_container_size, true));
+ shared_ptr<Image> im (new Image (PIX_FMT_RGB24, _video_container_size, true));
im->make_black ();
- im->copy (image, Position ((_video_container_size.width - image_size.width) / 2, (_video_container_size.height - image_size.height) / 2));
- image = im;
+ 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;
}
- Time time = content->start() + (frame * frc.factor() * TIME_HZ / _film->dcp_video_frame_rate());
-
- Video (image, same, time);
- time += TIME_HZ / _film->dcp_video_frame_rate();
+#ifdef DCPOMATIC_DEBUG
+ _last_video = piece->content;
+#endif
+
+ Video (work_image, eyes, content->colour_conversion(), same, time);
+ time += TIME_HZ / _film->video_frame_rate();
if (frc.repeat) {
- Video (image, true, time);
- time += TIME_HZ / _film->dcp_video_frame_rate();
+ Video (work_image, eyes, content->colour_conversion(), true, time);
+ time += TIME_HZ / _film->video_frame_rate();
}
+ _last_emit_was_black = false;
+
_video_position = piece->video_position = time;
}
shared_ptr<AudioContent> content = dynamic_pointer_cast<AudioContent> (piece->content);
assert (content);
+ /* Gain */
+ if (content->audio_gain() != 0) {
+ shared_ptr<AudioBuffers> gain (new AudioBuffers (audio));
+ gain->apply_gain (content->audio_gain ());
+ audio = gain;
+ }
+
+ /* Resample */
if (content->content_audio_frame_rate() != content->output_audio_frame_rate()) {
- audio = resampler(content)->run (audio);
+ shared_ptr<Resampler> r = resampler (content, true);
+ pair<shared_ptr<const AudioBuffers>, AudioContent::Frame> ro = r->run (audio, frame);
+ audio = ro.first;
+ frame = ro.second;
}
+
+ Time const relative_time = _film->audio_frames_to_time (frame);
+ if (content->trimmed (relative_time)) {
+ return;
+ }
+
+ Time time = content->position() + (content->audio_delay() * TIME_HZ / 1000) + relative_time;
+
/* Remap channels */
- shared_ptr<AudioBuffers> dcp_mapped (new AudioBuffers (_film->dcp_audio_channels(), audio->frames()));
+ shared_ptr<AudioBuffers> dcp_mapped (new AudioBuffers (_film->audio_channels(), audio->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) {
- dcp_mapped->accumulate_channel (audio.get(), i->first, i->second);
- }
-
- /* The time of this audio may indicate that some of our buffered audio is not going to
- be added to any more, so it can be emitted.
- */
-
- Time const time = content->start() + (frame * TIME_HZ / _film->dcp_audio_frame_rate());
-
- if (time > _audio_position) {
- /* We can emit some audio from our buffers */
- OutputAudioFrame const N = _film->time_to_audio_frames (time - _audio_position);
- assert (N <= _audio_buffers.frames());
- shared_ptr<AudioBuffers> emit (new AudioBuffers (_audio_buffers.channels(), N));
- emit->copy_from (&_audio_buffers, N, 0, 0);
- Audio (emit, _audio_position);
- _audio_position = piece->audio_position = time + _film->audio_frames_to_time (N);
-
- /* And remove it from our buffers */
- if (_audio_buffers.frames() > N) {
- _audio_buffers.move (N, 0, _audio_buffers.frames() - N);
- }
- _audio_buffers.set_frames (_audio_buffers.frames() - N);
- }
-
- /* Now accumulate the new audio into our buffers */
- _audio_buffers.ensure_size (_audio_buffers.frames() + audio->frames());
- _audio_buffers.accumulate_frames (audio.get(), 0, 0, audio->frames ());
- _audio_buffers.set_frames (_audio_buffers.frames() + audio->frames());
+ if (i->first < audio->channels() && i->second < dcp_mapped->channels()) {
+ dcp_mapped->accumulate_channel (audio.get(), i->first, i->second);
+ }
+ }
+
+ audio = dcp_mapped;
+
+ /* We must cut off anything that comes before the start of all time */
+ if (time < 0) {
+ int const frames = - time * _film->audio_frame_rate() / TIME_HZ;
+ if (frames >= audio->frames ()) {
+ return;
+ }
+
+ shared_ptr<AudioBuffers> trimmed (new AudioBuffers (audio->channels(), audio->frames() - frames));
+ trimmed->copy_from (audio.get(), audio->frames() - frames, frames, 0);
+
+ audio = trimmed;
+ time = 0;
+ }
+
+ _audio_merger.push (audio, time);
+ piece->audio_position += _film->audio_frames_to_time (audio->frames ());
}
void
Player::flush ()
{
- if (_audio_buffers.frames() > 0) {
- shared_ptr<AudioBuffers> emit (new AudioBuffers (_audio_buffers.channels(), _audio_buffers.frames()));
- emit->copy_from (&_audio_buffers, _audio_buffers.frames(), 0, 0);
- Audio (emit, _audio_position);
- _audio_position += _film->audio_frames_to_time (_audio_buffers.frames ());
- _audio_buffers.set_frames (0);
+ TimedAudioBuffers<Time> tb = _audio_merger.flush ();
+ if (tb.audio) {
+ Audio (tb.audio, tb.time);
+ _audio_position += _film->audio_frames_to_time (tb.audio->frames ());
}
while (_video_position < _audio_position) {
}
-/** @return true on error */
+/** Seek so that the next pass() will yield (approximately) the requested frame.
+ * Pass accurate = true to try harder to get close to the request.
+ * @return true on error
+ */
void
Player::seek (Time t, bool accurate)
{
continue;
}
- Time s = t - vc->start ();
+ Time s = t - vc->position ();
s = max (static_cast<Time> (0), s);
- s = min (vc->length(), s);
+ s = min (vc->length_after_trim(), s);
+
+ (*i)->video_position = (*i)->audio_position = vc->position() + s;
- FrameRateConversion frc (vc->video_frame_rate(), _film->dcp_video_frame_rate());
- VideoContent::Frame f = s * _film->dcp_video_frame_rate() / (frc.factor() * TIME_HZ);
+ 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);
}
+ _video_position = _audio_position = t;
+
/* XXX: don't seek audio because we don't need to... */
}
_pieces.clear ();
- Playlist::ContentList content = _playlist->content ();
+ ContentList content = _playlist->content ();
sort (content.begin(), content.end(), ContentSorter ());
- for (Playlist::ContentList::iterator i = content.begin(); i != content.end(); ++i) {
+ for (ContentList::iterator i = content.begin(); i != content.end(); ++i) {
shared_ptr<Piece> piece (new Piece (*i));
- /* XXX: into content? */
+ /* XXX: into content? */
shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (*i);
if (fc) {
shared_ptr<FFmpegDecoder> fd (new FFmpegDecoder (_film, fc, _video, _audio));
- fd->Video.connect (bind (&Player::process_video, this, piece, _1, _2, _3));
+ fd->Video.connect (bind (&Player::process_video, this, piece, _1, _2, _3, _4));
fd->Audio.connect (bind (&Player::process_audio, this, piece, _1, _2));
+ fd->Subtitle.connect (bind (&Player::process_subtitle, this, piece, _1, _2, _3, _4));
piece->decoder = fd;
}
- shared_ptr<const ImageMagickContent> ic = dynamic_pointer_cast<const ImageMagickContent> (*i);
+ shared_ptr<const StillImageContent> ic = dynamic_pointer_cast<const StillImageContent> (*i);
if (ic) {
- shared_ptr<ImageMagickDecoder> id;
+ shared_ptr<StillImageDecoder> id;
- /* See if we can re-use an old ImageMagickDecoder */
+ /* See if we can re-use an old StillImageDecoder */
for (list<shared_ptr<Piece> >::const_iterator j = old_pieces.begin(); j != old_pieces.end(); ++j) {
- shared_ptr<ImageMagickDecoder> imd = dynamic_pointer_cast<ImageMagickDecoder> ((*j)->decoder);
+ shared_ptr<StillImageDecoder> imd = dynamic_pointer_cast<StillImageDecoder> ((*j)->decoder);
if (imd && imd->content() == ic) {
id = imd;
}
}
if (!id) {
- id.reset (new ImageMagickDecoder (_film, ic));
- id->Video.connect (bind (&Player::process_video, this, piece, _1, _2, _3));
+ id.reset (new StillImageDecoder (_film, ic));
+ id->Video.connect (bind (&Player::process_video, this, piece, _1, _2, _3, _4));
}
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));
+ }
+
+ piece->decoder = md;
+ }
+
shared_ptr<const SndfileContent> sc = dynamic_pointer_cast<const SndfileContent> (*i);
if (sc) {
shared_ptr<AudioDecoder> sd (new SndfileDecoder (_film, sc));
}
void
-Player::content_changed (weak_ptr<Content> w, int p)
+Player::content_changed (weak_ptr<Content> w, int property, bool frequent)
{
shared_ptr<Content> c = w.lock ();
if (!c) {
}
if (
- p == ContentProperty::START || p == ContentProperty::LENGTH ||
- p == VideoContentProperty::VIDEO_CROP || p == VideoContentProperty::VIDEO_RATIO
+ property == ContentProperty::POSITION || property == ContentProperty::LENGTH ||
+ property == ContentProperty::TRIM_START || property == ContentProperty::TRIM_END
) {
_have_valid_pieces = false;
- Changed ();
+ Changed (frequent);
+
+ } else if (property == SubtitleContentProperty::SUBTITLE_OFFSET || property == SubtitleContentProperty::SUBTITLE_SCALE) {
+
+ update_subtitle ();
+ Changed (frequent);
+
+ } else if (
+ property == VideoContentProperty::VIDEO_FRAME_TYPE || property == VideoContentProperty::VIDEO_CROP ||
+ property == VideoContentProperty::VIDEO_RATIO
+ ) {
+
+ Changed (frequent);
}
}
Player::playlist_changed ()
{
_have_valid_pieces = false;
- Changed ();
+ Changed (false);
}
void
Player::set_video_container_size (libdcp::Size s)
{
_video_container_size = s;
- _black_frame.reset (new SimpleImage (PIX_FMT_RGB24, _video_container_size, true));
+ _black_frame.reset (new Image (PIX_FMT_RGB24, _video_container_size, true));
_black_frame->make_black ();
}
shared_ptr<Resampler>
-Player::resampler (shared_ptr<AudioContent> c)
+Player::resampler (shared_ptr<AudioContent> c, bool create)
{
map<shared_ptr<AudioContent>, shared_ptr<Resampler> >::iterator i = _resamplers.find (c);
if (i != _resamplers.end ()) {
return i->second;
}
+
+ if (!create) {
+ return shared_ptr<Resampler> ();
+ }
shared_ptr<Resampler> r (new Resampler (c->content_audio_frame_rate(), c->output_audio_frame_rate(), c->audio_channels()));
_resamplers[c] = r;
void
Player::emit_black ()
{
- /* XXX: use same here */
- Video (_black_frame, false, _video_position);
+#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;
}
void
Player::emit_silence (OutputAudioFrame most)
{
- OutputAudioFrame N = min (most, _film->dcp_audio_frame_rate() / 2);
- shared_ptr<AudioBuffers> silence (new AudioBuffers (_film->dcp_audio_channels(), N));
+ if (most == 0) {
+ return;
+ }
+
+ OutputAudioFrame N = min (most, _film->audio_frame_rate() / 2);
+ shared_ptr<AudioBuffers> silence (new AudioBuffers (_film->audio_channels(), N));
silence->make_silent ();
Audio (silence, _audio_position);
_audio_position += _film->audio_frames_to_time (N);
last time we were run.
*/
- if (
- p == Film::SCALER || p == Film::WITH_SUBTITLES ||
- p == Film::SUBTITLE_SCALE || p == Film::SUBTITLE_OFFSET ||
- p == Film::CONTAINER
- ) {
-
- Changed ();
+ if (p == Film::SCALER || p == Film::WITH_SUBTITLES || p == Film::CONTAINER) {
+ Changed (false);
}
}
+
+void
+Player::process_subtitle (weak_ptr<Piece> weak_piece, shared_ptr<Image> image, dcpomatic::Rect<double> rect, Time from, Time to)
+{
+ _in_subtitle.piece = weak_piece;
+ _in_subtitle.image = image;
+ _in_subtitle.rect = rect;
+ _in_subtitle.from = from;
+ _in_subtitle.to = to;
+
+ update_subtitle ();
+}
+
+void
+Player::update_subtitle ()
+{
+ shared_ptr<Piece> piece = _in_subtitle.piece.lock ();
+ if (!piece) {
+ return;
+ }
+
+ if (!_in_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.rect;
+ libdcp::Size scaled_size;
+
+ in_rect.y += sc->subtitle_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 ();
+ scaled_size.height = in_rect.height * _video_container_size.height * sc->subtitle_scale ();
+
+ /* 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_scale) / 2) and
+ * (height_before_subtitle_scale * (1 - subtitle_scale) / 2).
+ *
+ * Combining these two translations gives these expressions.
+ */
+
+ _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.image->scale (
+ scaled_size,
+ Scaler::from_id ("bicubic"),
+ _in_subtitle.image->pixel_format (),
+ true
+ );
+ _out_subtitle.from = _in_subtitle.from + piece->content->position ();
+ _out_subtitle.to = _in_subtitle.to + piece->content->position ();
+}
projects / dcpomatic.git / blobdiff