#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"
using boost::weak_ptr;
using boost::dynamic_pointer_cast;
-//#define DEBUG_PLAYER 1
-
class Piece
{
public:
: content (c)
, video_position (c->position ())
, audio_position (c->position ())
+ , repeat_to_do (0)
+ , repeat_done (0)
{}
Piece (shared_ptr<Content> c, shared_ptr<Decoder> d)
, video_position (c->position ())
, audio_position (c->position ())
{}
+
+ /** Set this piece to repeat a video frame a given number of times */
+ void set_repeat (IncomingVideo video, int num)
+ {
+ repeat_video = video;
+ repeat_to_do = num;
+ repeat_done = 0;
+ }
+
+ void reset_repeat ()
+ {
+ repeat_video.image.reset ();
+ repeat_to_do = 0;
+ repeat_done = 0;
+ }
+
+ bool repeating () const
+ {
+ return repeat_done != repeat_to_do;
+ }
+
+ void repeat (Player* player)
+ {
+ player->process_video (
+ repeat_video.weak_piece,
+ repeat_video.image,
+ repeat_video.eyes,
+ repeat_done > 0,
+ repeat_video.frame,
+ (repeat_done + 1) * (TIME_HZ / player->_film->video_frame_rate ())
+ );
+
+ ++repeat_done;
+ }
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;
-};
-#ifdef DEBUG_PLAYER
-std::ostream& operator<<(std::ostream& s, Piece const & p)
-{
- if (dynamic_pointer_cast<FFmpegContent> (p.content)) {
- s << "\tffmpeg ";
- } else if (dynamic_pointer_cast<StillImageContent> (p.content)) {
- s << "\tstill image";
- } else if (dynamic_pointer_cast<SndfileContent> (p.content)) {
- s << "\tsndfile ";
- }
-
- s << " at " << p.content->position() << " until " << p.content->end();
-
- return s;
-}
-#endif
+ IncomingVideo repeat_video;
+ int repeat_to_do;
+ int repeat_done;
+};
Player::Player (shared_ptr<const Film> f, shared_ptr<const Playlist> p)
: _film (f)
_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 (_film->container()->size (_film->full_frame ()));
+ set_video_container_size (fit_ratio_within (_film->container()->ratio (), _film->full_frame ()));
}
void
{
if (!_have_valid_pieces) {
setup_pieces ();
- _have_valid_pieces = true;
}
-#ifdef DEBUG_PLAYER
- cout << "= PASS\n";
-#endif
-
Time earliest_t = TIME_MAX;
shared_ptr<Piece> earliest;
enum {
continue;
}
- if (_video && dynamic_pointer_cast<VideoDecoder> ((*i)->decoder)) {
+ shared_ptr<VideoDecoder> vd = dynamic_pointer_cast<VideoDecoder> ((*i)->decoder);
+ shared_ptr<AudioDecoder> ad = dynamic_pointer_cast<AudioDecoder> ((*i)->decoder);
+
+ if (_video && vd) {
if ((*i)->video_position < earliest_t) {
earliest_t = (*i)->video_position;
earliest = *i;
}
}
- if (_audio && dynamic_pointer_cast<AudioDecoder> ((*i)->decoder)) {
+ if (_audio && ad && ad->has_audio ()) {
if ((*i)->audio_position < earliest_t) {
earliest_t = (*i)->audio_position;
earliest = *i;
}
if (!earliest) {
-#ifdef DEBUG_PLAYER
- cout << "no earliest piece.\n";
-#endif
-
flush ();
return true;
}
switch (type) {
case VIDEO:
if (earliest_t > _video_position) {
-#ifdef DEBUG_PLAYER
- cout << "no video here; emitting black frame (earliest=" << earliest_t << ", video_position=" << _video_position << ").\n";
-#endif
emit_black ();
} else {
-#ifdef DEBUG_PLAYER
- cout << "Pass video " << *earliest << "\n";
-#endif
- earliest->decoder->pass ();
+ if (earliest->repeating ()) {
+ earliest->repeat (this);
+ } else {
+ earliest->decoder->pass ();
+ }
}
break;
case AUDIO:
if (earliest_t > _audio_position) {
-#ifdef DEBUG_PLAYER
- 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 audio " << *earliest << "\n";
-#endif
earliest->decoder->pass ();
if (earliest->decoder->done()) {
}
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 ());
+ }
}
-#ifdef DEBUG_PLAYER
- cout << "\tpost pass _video_position=" << _video_position << " _audio_position=" << _audio_position << "\n";
-#endif
-
return false;
}
+/** @param extra Amount of extra time to add to the content frame's time (for repeat) */
void
-Player::process_video (weak_ptr<Piece> weak_piece, shared_ptr<const Image> image, Eyes eyes, 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, Time extra)
{
+ /* Keep a note of what came in so that we can repeat it if required */
+ _last_incoming_video.weak_piece = weak_piece;
+ _last_incoming_video.image = image;
+ _last_incoming_video.eyes = eyes;
+ _last_incoming_video.same = same;
+ _last_incoming_video.frame = frame;
+ _last_incoming_video.extra = extra;
+
shared_ptr<Piece> piece = weak_piece.lock ();
if (!piece) {
return;
if (content->trimmed (relative_time)) {
return;
}
-
- shared_ptr<Image> work_image = image->crop (content->crop(), true);
- libdcp::Size const image_size = content->ratio()->size (_video_container_size);
-
- work_image = work_image->scale_and_convert_to_rgb (image_size, _film->scaler(), 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 const image_size = fit_ratio_within (ratio, _video_container_size);
- Time time = content->position() + relative_time - content->trim_start ();
-
+ shared_ptr<PlayerImage> pi (
+ new PlayerImage (
+ image,
+ content->crop(),
+ image_size,
+ _video_container_size,
+ _film->scaler()
+ )
+ );
+
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);
- }
- 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;
- }
+ Position<int> const container_offset (
+ (_video_container_size.width - image_size.width) / 2,
+ (_video_container_size.height - image_size.width) / 2
+ );
+ pi->set_subtitle (_out_subtitle.image, _out_subtitle.position + container_offset);
+ }
+
#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 (work_image, eyes, content->colour_conversion(), true, time);
- time += TIME_HZ / _film->video_frame_rate();
- }
+ Video (pi, eyes, content->colour_conversion(), same, time);
_last_emit_was_black = false;
+ _video_position = piece->video_position = (time + TIME_HZ / _film->video_frame_rate());
- _video_position = piece->video_position = time;
+ if (frc.repeat > 1 && !piece->repeating ()) {
+ piece->set_repeat (_last_incoming_video, frc.repeat - 1);
+ }
}
void
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()) {
shared_ptr<Resampler> r = resampler (content, true);
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()));
Player::flush ()
{
TimedAudioBuffers<Time> 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 (_film->time_to_audio_frames (_video_position - _audio_position));
}
{
if (!_have_valid_pieces) {
setup_pieces ();
- _have_valid_pieces = true;
}
if (_pieces.empty ()) {
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 ();
}
_video_position = _audio_position = t;
-
+
/* XXX: don't seek audio because we don't need to... */
}
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));
- 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));
- }
-
- 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));
+ 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;
}
_pieces.push_back (piece);
}
-#ifdef DEBUG_PLAYER
- cout << "=== Player setup:\n";
- for (list<shared_ptr<Piece> >::iterator i = _pieces.begin(); i != _pieces.end(); ++i) {
- cout << *(i->get()) << "\n";
- }
-#endif
+ _have_valid_pieces = true;
}
void
if (
property == ContentProperty::POSITION || property == ContentProperty::LENGTH ||
property == ContentProperty::TRIM_START || property == ContentProperty::TRIM_END ||
- property == VideoContentProperty::VIDEO_CROP || property == VideoContentProperty::VIDEO_RATIO
+ property == VideoContentProperty::VIDEO_FRAME_TYPE
) {
_have_valid_pieces = false;
Changed (frequent);
} else if (property == SubtitleContentProperty::SUBTITLE_OFFSET || property == SubtitleContentProperty::SUBTITLE_SCALE) {
+
update_subtitle ();
Changed (frequent);
- } else if (property == VideoContentProperty::VIDEO_FRAME_TYPE) {
+
+ } else if (property == VideoContentProperty::VIDEO_CROP || property == VideoContentProperty::VIDEO_RATIO) {
+
+ Changed (frequent);
+
+ } else if (property == ContentProperty::PATH) {
+
Changed (frequent);
}
}
Player::set_video_container_size (libdcp::Size s)
{
_video_container_size = s;
- _black_frame.reset (new Image (PIX_FMT_RGB24, _video_container_size, true));
- _black_frame->make_black ();
+
+ shared_ptr<Image> im (new Image (PIX_FMT_RGB24, _video_container_size, true));
+ im->make_black ();
+
+ _black_frame.reset (
+ new PlayerImage (
+ im,
+ Crop(),
+ _video_container_size,
+ _video_container_size,
+ Scaler::from_id ("bicubic")
+ )
+ );
}
shared_ptr<Resampler>
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;
void
Player::emit_silence (OutputAudioFrame most)
{
+ 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 ();
_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 (libdcp::Size (scaled_size.width, scaled_size.height), Scaler::from_id ("bicubic"), true);
+ _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 ();
}
+
+/** Re-emit the last frame that was emitted, using current settings for crop, ratio, scaler and subtitles.
+ * @return false if this could not be done.
+ */
+bool
+Player::repeat_last_video ()
+{
+ if (!_last_incoming_video.image || !_have_valid_pieces) {
+ return false;
+ }
+
+ process_video (
+ _last_incoming_video.weak_piece,
+ _last_incoming_video.image,
+ _last_incoming_video.eyes,
+ _last_incoming_video.same,
+ _last_incoming_video.frame,
+ _last_incoming_video.extra
+ );
+
+ return true;
+}
+
+PlayerImage::PlayerImage (
+ shared_ptr<const Image> in,
+ Crop crop,
+ libdcp::Size inter_size,
+ libdcp::Size out_size,
+ Scaler const * scaler
+ )
+ : _in (in)
+ , _crop (crop)
+ , _inter_size (inter_size)
+ , _out_size (out_size)
+ , _scaler (scaler)
+{
+
+}
+
+void
+PlayerImage::set_subtitle (shared_ptr<const Image> image, Position<int> pos)
+{
+ _subtitle_image = image;
+ _subtitle_position = pos;
+}
+
+shared_ptr<Image>
+PlayerImage::image ()
+{
+ shared_ptr<Image> out = _in->crop_scale_window (_crop, _inter_size, _out_size, _scaler, PIX_FMT_RGB24, false);
+
+ Position<int> const container_offset ((_out_size.width - _inter_size.width) / 2, (_out_size.height - _inter_size.width) / 2);
+
+ if (_subtitle_image) {
+ out->alpha_blend (_subtitle_image, _subtitle_position);
+ }
+
+ return out;
+}
projects / dcpomatic.git / blobdiff