/*
- Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2016-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
+
#include "video_mxf_decoder.h"
#include "video_decoder.h"
#include "video_mxf_content.h"
#include "j2k_image_proxy.h"
+#include "frame_interval_checker.h"
#include <dcp/mono_picture_asset.h>
+#include <dcp/mono_picture_asset_reader.h>
#include <dcp/stereo_picture_asset.h>
+#include <dcp/stereo_picture_asset_reader.h>
#include <dcp/exceptions.h>
-using boost::shared_ptr;
-VideoMXFDecoder::VideoMXFDecoder (shared_ptr<const VideoMXFContent> content, shared_ptr<Log> log)
- : _content (content)
-{
- video.reset (new VideoDecoder (this, content, log));
-}
+using std::make_shared;
+using std::shared_ptr;
+using boost::optional;
+using namespace dcpomatic;
-bool
-VideoMXFDecoder::pass (PassReason reason, bool)
+
+VideoMXFDecoder::VideoMXFDecoder (shared_ptr<const Film> film, shared_ptr<const VideoMXFContent> content)
+ : Decoder (film)
+ , _content (content)
{
- shared_ptr<dcp::MonoPictureAsset> mono;
+ video = make_shared<VideoDecoder>(this, content);
+
try {
- mono.reset (new dcp::MonoPictureAsset (_content->path(0)));
+ auto mono = make_shared<dcp::MonoPictureAsset>(_content->path(0));
+ _mono_reader = mono->start_read ();
+ _mono_reader->set_check_hmac (false);
+ _size = mono->size ();
+ return;
} catch (dcp::MXFFileError& e) {
/* maybe it's stereo */
- } catch (dcp::DCPReadError& e) {
+ } catch (dcp::ReadError& e) {
/* maybe it's stereo */
}
- shared_ptr<dcp::StereoPictureAsset> stereo;
- try {
- stereo.reset (new dcp::StereoPictureAsset (_content->path(0)));
- } catch (dcp::MXFFileError& e) {
- if (!mono) {
- throw;
- }
- } catch (dcp::DCPReadError& e) {
- if (!mono) {
- throw;
- }
- }
+ auto stereo = make_shared<dcp::StereoPictureAsset>(_content->path(0));
+ _stereo_reader = stereo->start_read ();
+ _stereo_reader->set_check_hmac (false);
+ _size = stereo->size ();
+}
+
+
+bool
+VideoMXFDecoder::pass ()
+{
+ auto const vfr = _content->active_video_frame_rate (film());
+ auto const frame = _next.frames_round (vfr);
- double const vfr = _content->active_video_frame_rate ();
- int64_t const frame = _next.frames_round (vfr);
+ if (frame >= _content->video->length()) {
+ return true;
+ }
- if (mono) {
- video->give (shared_ptr<ImageProxy> (new J2KImageProxy (mono->get_frame(frame), mono->size())), frame);
+ if (_mono_reader) {
+ video->emit (
+ film(),
+ std::make_shared<J2KImageProxy>(_mono_reader->get_frame(frame), _size, AV_PIX_FMT_XYZ12LE, optional<int>()),
+ _next
+ );
} else {
- video->give (shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame(frame), stereo->size(), dcp::EYE_LEFT)), frame);
- video->give (shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame(frame), stereo->size(), dcp::EYE_RIGHT)), frame);
+ video->emit (
+ film(),
+ std::make_shared<J2KImageProxy>(_stereo_reader->get_frame(frame), _size, dcp::Eye::LEFT, AV_PIX_FMT_XYZ12LE, optional<int>()),
+ _next
+ );
+ video->emit (
+ film(),
+ std::make_shared<J2KImageProxy>(_stereo_reader->get_frame(frame), _size, dcp::Eye::RIGHT, AV_PIX_FMT_XYZ12LE, optional<int>()),
+ _next
+ );
}
_next += ContentTime::from_frames (1, vfr);
+ return false;
}
+
void
VideoMXFDecoder::seek (ContentTime t, bool accurate)
{
- video->seek (t, accurate);
+ Decoder::seek (t, accurate);
_next = t;
}