#include "audio_content.h"
#include "content.h"
+#include "dcp_content.h"
+#include "dcpomatic_log.h"
+#include "decoder.h"
+#include "film.h"
#include "piece.h"
+#include "player_video.h"
+#include "video_content.h"
+using std::dynamic_pointer_cast;
+using std::make_shared;
using std::shared_ptr;
+using std::vector;
+using boost::optional;
using namespace dcpomatic;
Piece::Piece (shared_ptr<Content> c, shared_ptr<Decoder> d, FrameRateChange f)
- : content (c)
- , decoder (d)
- , frc (f)
- , done (false)
-{
- if (content->audio) {
- for (auto j: content->audio->streams()) {
- _stream_last_push_end[j] = content->position();
+ : _content (c)
+ , _decoder (d)
+ , _frc (f)
+{
+ if (_content->audio) {
+ for (auto j: _content->audio->streams()) {
+ _stream_last_push_end[j] = _content->position();
}
}
}
void
Piece::update_pull_to (DCPTime& pull_to) const
{
- if (done) {
+ if (_done) {
return;
}
_stream_last_push_end[stream] = end;
}
+
+DCPTime
+Piece::content_video_to_dcp (Frame f) const
+{
+ /* See comment in resampled_audio_to_dcp */
+ auto const d = DCPTime::from_frames(f * _frc.factor(), _frc.dcp) - DCPTime(_content->trim_start(), _frc);
+ return d + _content->position();
+}
+
+
+DCPTime
+Piece::resampled_audio_to_dcp (Frame f, shared_ptr<const Film> film) const
+{
+ /* It might seem more logical here to convert s to a ContentTime (using the FrameRateChange)
+ then convert that ContentTime to frames at the content's rate. However this fails for
+ situations like content at 29.9978733fps, DCP at 30fps. The accuracy of the Time type is not
+ enough to distinguish between the two with low values of time (e.g. 3200 in Time units).
+
+ Instead we convert the DCPTime using the DCP video rate then account for any skip/repeat.
+ */
+ return DCPTime::from_frames(f, film->audio_frame_rate())
+ - DCPTime(_content->trim_start(), _frc)
+ + _content->position();
+}
+
+
+ContentTime
+Piece::dcp_to_content_time (DCPTime t, shared_ptr<const Film> film) const
+{
+ auto s = t - _content->position ();
+ s = min (_content->length_after_trim(film), s);
+ return max (ContentTime(), ContentTime(s, _frc) + _content->trim_start());
+}
+
+
+optional<DCPTime>
+Piece::content_time_to_dcp (shared_ptr<const Content> content, ContentTime t) const
+{
+ if (_content != content) {
+ return {};
+ }
+
+ return max (DCPTime(), DCPTime(t - _content->trim_start(), _frc) + _content->position());
+}
+
+
+bool
+Piece::use_video () const
+{
+ return _content->video && _content->video->use();
+}
+
+
+VideoFrameType
+Piece::video_frame_type () const
+{
+ DCPOMATIC_ASSERT (_content->video);
+ return _content->video->frame_type ();
+}
+
+
+dcpomatic::DCPTime
+Piece::position () const
+{
+ return _content->position ();
+}
+
+
+dcpomatic::DCPTime
+Piece::end (shared_ptr<const Film> film) const
+{
+ return _content->end (film);
+}
+
+
+shared_ptr<PlayerVideo>
+Piece::player_video (ContentVideo video, shared_ptr<const Film> film, dcp::Size container_size) const
+{
+ return std::make_shared<PlayerVideo>(
+ video.image,
+ _content->video->crop (),
+ _content->video->fade (film, video.frame),
+ scale_for_display(_content->video->scaled_size(film->frame_size()), container_size, film->frame_size()),
+ container_size,
+ video.eyes,
+ video.part,
+ _content->video->colour_conversion(),
+ _content->video->range(),
+ _content,
+ video.frame,
+ false
+ );
+}
+
+
+int
+Piece::resampled_audio_frame_rate (shared_ptr<const Film> film) const
+{
+ DCPOMATIC_ASSERT (_content->audio);
+ return _content->audio->resampled_frame_rate (film);
+}
+
+
+double
+Piece::audio_gain () const
+{
+ DCPOMATIC_ASSERT (_content->audio);
+ return _content->audio->gain();
+}
+
+
+shared_ptr<Decoder>
+Piece::decoder_for (shared_ptr<Content> content) const
+{
+ if (content == _content) {
+ return _decoder;
+ }
+
+ return {};
+}
+
+
+void
+Piece::pass ()
+{
+ LOG_DEBUG_PLAYER ("Calling pass() on %1", _content->path(0));
+ _done = _decoder->pass();
+}
+
+
+bool
+Piece::reference_dcp_audio () const
+{
+ auto dcp = dynamic_pointer_cast<DCPContent>(_content);
+ return dcp && dcp->reference_audio();
+}
+
+
+void
+Piece::seek (shared_ptr<const Film> film, DCPTime time, bool accurate)
+{
+ if (time < position()) {
+ /* Before; seek to the start of the content. Even if this request is for an inaccurate seek
+ we must seek this (following) content accurately, otherwise when we come to the end of the current
+ content we may not start right at the beginning of the next, causing a gap (if the next content has
+ been trimmed to a point between keyframes, or something).
+ */
+ _decoder->seek (dcp_to_content_time(position(), film), true);
+ _done = false;
+ } else if (position() <= time && time < end(film)) {
+ /* During; seek to position */
+ _decoder->seek (dcp_to_content_time(time, film), accurate);
+ _done = false;
+ } else {
+ /* After; this piece is done */
+ _done = true;
+ }
+}
+
+
+optional<dcpomatic::DCPTime>
+Piece::decoder_before(shared_ptr<const Film> film, optional<dcpomatic::DCPTime> time)
+{
+ if (_done) {
+ return {};
+ }
+
+ auto t = content_time_to_dcp(_content, std::max(_decoder->position(), _content->trim_start()));
+ DCPOMATIC_ASSERT (t);
+
+ if (*t > end(film)) {
+ _done = true;
+ } else {
+ /* Given two choices at the same time, pick the one with texts so we see it before
+ the video.
+ */
+ if (!time || t < *time || (t == *time && !_decoder->text.empty())) {
+ return t;
+ }
+ }
+
+ return {};
+}
+
+vector<dcpomatic::FontData>
+Piece::fonts () const
+{
+ return _decoder->fonts();
+}
+
+
+bool
+Piece::ignore_video_at (DCPTime time) const
+{
+ return _ignore_video && _ignore_video->contains(time);
+}
+
+
+DCPTimePeriod
+Piece::period (shared_ptr<const Film> film) const
+{
+ return DCPTimePeriod(position(), end(film));
+}
+
projects / dcpomatic.git / blobdiff