/*
- Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2014-2016 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 "dcp_decoder.h"
+#include "dcp_content.h"
+#include "audio_content.h"
+#include "video_decoder.h"
+#include "audio_decoder.h"
+#include "j2k_image_proxy.h"
+#include "subtitle_decoder.h"
+#include "image.h"
+#include "config.h"
#include <dcp/dcp.h>
+#include <dcp/decrypted_kdm.h>
#include <dcp/cpl.h>
#include <dcp/reel.h>
-#include <dcp/mono_picture_mxf.h>
-#include <dcp/stereo_picture_mxf.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/reel_picture_asset.h>
#include <dcp/reel_sound_asset.h>
+#include <dcp/reel_subtitle_asset.h>
#include <dcp/mono_picture_frame.h>
#include <dcp/stereo_picture_frame.h>
#include <dcp/sound_frame.h>
-#include "dcp_decoder.h"
-#include "dcp_content.h"
-#include "j2k_image_proxy.h"
-#include "image.h"
-#include "config.h"
+#include <dcp/sound_asset_reader.h>
+#include <boost/foreach.hpp>
+#include <iostream>
using std::list;
using std::cout;
using boost::dynamic_pointer_cast;
DCPDecoder::DCPDecoder (shared_ptr<const DCPContent> c, shared_ptr<Log> log)
- : VideoDecoder (c)
- , AudioDecoder (c)
- , SubtitleDecoder (c)
- , _log (log)
- , _dcp_content (c)
+ : _dcp_content (c)
+ , _decode_referenced (false)
{
+ video.reset (new VideoDecoder (this, c, log));
+ audio.reset (new AudioDecoder (this, c->audio, log));
+
+ subtitle.reset (
+ new SubtitleDecoder (
+ this,
+ c->subtitle,
+ bind (&DCPDecoder::image_subtitles_during, this, _1, _2),
+ bind (&DCPDecoder::text_subtitles_during, this, _1, _2)
+ )
+ );
+
dcp::DCP dcp (c->directory ());
- dcp.read ();
+ dcp.read (false, 0, true);
if (c->kdm ()) {
- dcp.add (dcp::DecryptedKDM (c->kdm().get (), Config::instance()->decryption_private_key ()));
+ dcp.add (dcp::DecryptedKDM (c->kdm().get (), Config::instance()->decryption_chain()->key().get ()));
}
- assert (dcp.cpls().size() == 1);
+ DCPOMATIC_ASSERT (dcp.cpls().size() == 1);
_reels = dcp.cpls().front()->reels ();
+
_reel = _reels.begin ();
+ _offset = 0;
+ get_readers ();
}
bool
-DCPDecoder::pass ()
+DCPDecoder::pass (PassReason reason, bool)
{
if (_reel == _reels.end () || !_dcp_content->can_be_played ()) {
return true;
}
- float const vfr = _dcp_content->video_frame_rate ();
- int64_t const frame = _next.frames (vfr);
-
- if ((*_reel)->main_picture ()) {
- shared_ptr<dcp::PictureMXF> mxf = (*_reel)->main_picture()->mxf ();
- shared_ptr<dcp::MonoPictureMXF> mono = dynamic_pointer_cast<dcp::MonoPictureMXF> (mxf);
- shared_ptr<dcp::StereoPictureMXF> stereo = dynamic_pointer_cast<dcp::StereoPictureMXF> (mxf);
+ double const vfr = _dcp_content->active_video_frame_rate ();
+
+ /* Frame within the (played part of the) reel that is coming up next */
+ int64_t const frame = _next.frames_round (vfr);
+
+ if ((_mono_reader || _stereo_reader) && reason != PASS_REASON_SUBTITLE && (_decode_referenced || !_dcp_content->reference_video())) {
+ shared_ptr<dcp::PictureAsset> asset = (*_reel)->main_picture()->asset ();
int64_t const entry_point = (*_reel)->main_picture()->entry_point ();
- if (mono) {
- video (shared_ptr<ImageProxy> (new J2KImageProxy (mono->get_frame (entry_point + frame), mxf->size(), _log)), frame);
+ if (_mono_reader) {
+ video->give (
+ shared_ptr<ImageProxy> (
+ new J2KImageProxy (_mono_reader->get_frame (entry_point + frame), asset->size(), AV_PIX_FMT_XYZ12LE)
+ ),
+ _offset + frame
+ );
} else {
- video (
- shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame (entry_point + frame), mxf->size(), dcp::EYE_LEFT, _log)),
- frame
+ video->give (
+ shared_ptr<ImageProxy> (
+ new J2KImageProxy (_stereo_reader->get_frame (entry_point + frame), asset->size(), dcp::EYE_LEFT, AV_PIX_FMT_XYZ12LE)),
+ _offset + frame
);
-
- video (
- shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame (entry_point + frame), mxf->size(), dcp::EYE_RIGHT, _log)),
- frame
+
+ video->give (
+ shared_ptr<ImageProxy> (
+ new J2KImageProxy (_stereo_reader->get_frame (entry_point + frame), asset->size(), dcp::EYE_RIGHT, AV_PIX_FMT_XYZ12LE)),
+ _offset + frame
);
}
}
- if ((*_reel)->main_sound ()) {
+ if (_sound_reader && reason != PASS_REASON_SUBTITLE && (_decode_referenced || !_dcp_content->reference_audio())) {
int64_t const entry_point = (*_reel)->main_sound()->entry_point ();
- shared_ptr<const dcp::SoundFrame> sf = (*_reel)->main_sound()->mxf()->get_frame (entry_point + frame);
+ shared_ptr<const dcp::SoundFrame> sf = _sound_reader->get_frame (entry_point + frame);
uint8_t const * from = sf->data ();
- int const channels = _dcp_content->audio_channels ();
+ int const channels = _dcp_content->audio->stream()->channels ();
int const frames = sf->size() / (3 * channels);
shared_ptr<AudioBuffers> data (new AudioBuffers (channels, frames));
+ float** data_data = data->data();
for (int i = 0; i < frames; ++i) {
for (int j = 0; j < channels; ++j) {
- data->data()[j][i] = float (from[0] | (from[1] << 8) | (from[2] << 16)) / (1 << 23);
+ data_data[j][i] = static_cast<int> ((from[0] << 8) | (from[1] << 16) | (from[2] << 24)) / static_cast<float> (INT_MAX - 256);
from += 3;
}
}
- audio (data, _next);
+ audio->give (_dcp_content->audio->stream(), data, ContentTime::from_frames (_offset, vfr) + _next);
}
- /* XXX: subtitle */
+ if ((*_reel)->main_subtitle() && (_decode_referenced || !_dcp_content->reference_subtitle())) {
+ int64_t const entry_point = (*_reel)->main_subtitle()->entry_point ();
+ list<dcp::SubtitleString> subs = (*_reel)->main_subtitle()->asset()->subtitles_during (
+ dcp::Time (entry_point + frame, vfr, vfr),
+ dcp::Time (entry_point + frame + 1, vfr, vfr),
+ true
+ );
+
+ if (!subs.empty ()) {
+ /* XXX: assuming that all `subs' are at the same time; maybe this is ok */
+ subtitle->give_text (
+ ContentTimePeriod (
+ ContentTime::from_frames (_offset - entry_point, vfr) + ContentTime::from_seconds (subs.front().in().as_seconds ()),
+ ContentTime::from_frames (_offset - entry_point, vfr) + ContentTime::from_seconds (subs.front().out().as_seconds ())
+ ),
+ subs
+ );
+ }
+ }
_next += ContentTime::from_frames (1, vfr);
if ((*_reel)->main_picture ()) {
- if (_next.frames (vfr) >= (*_reel)->main_picture()->duration()) {
- ++_reel;
+ if (_next.frames_round (vfr) >= (*_reel)->main_picture()->duration()) {
+ next_reel ();
+ _next = ContentTime ();
}
}
-
+
return false;
}
+void
+DCPDecoder::next_reel ()
+{
+ _offset += (*_reel)->main_picture()->duration();
+ ++_reel;
+ get_readers ();
+}
+
+void
+DCPDecoder::get_readers ()
+{
+ if (_reel == _reels.end()) {
+ _mono_reader.reset ();
+ _stereo_reader.reset ();
+ _sound_reader.reset ();
+ return;
+ }
+
+ if ((*_reel)->main_picture()) {
+ shared_ptr<dcp::PictureAsset> asset = (*_reel)->main_picture()->asset ();
+ shared_ptr<dcp::MonoPictureAsset> mono = dynamic_pointer_cast<dcp::MonoPictureAsset> (asset);
+ shared_ptr<dcp::StereoPictureAsset> stereo = dynamic_pointer_cast<dcp::StereoPictureAsset> (asset);
+ DCPOMATIC_ASSERT (mono || stereo);
+ if (mono) {
+ _mono_reader = mono->start_read ();
+ _stereo_reader.reset ();
+ } else {
+ _stereo_reader = stereo->start_read ();
+ _mono_reader.reset ();
+ }
+ } else {
+ _mono_reader.reset ();
+ _stereo_reader.reset ();
+ }
+
+ if ((*_reel)->main_sound()) {
+ _sound_reader = (*_reel)->main_sound()->asset()->start_read ();
+ } else {
+ _sound_reader.reset ();
+ }
+}
+
void
DCPDecoder::seek (ContentTime t, bool accurate)
{
- VideoDecoder::seek (t, accurate);
- AudioDecoder::seek (t, accurate);
- SubtitleDecoder::seek (t, accurate);
+ video->seek (t, accurate);
+ audio->seek (t, accurate);
+ subtitle->seek (t, accurate);
+ _offset = 0;
_reel = _reels.begin ();
- while (_reel != _reels.end() && t >= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->video_frame_rate ())) {
- t -= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->video_frame_rate ());
- ++_reel;
+ while (_reel != _reels.end() && t >= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate ())) {
+ t -= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate ());
+ next_reel ();
}
_next = t;
list<ContentTimePeriod>
-DCPDecoder::subtitles_during (ContentTimePeriod, bool starting) const
+DCPDecoder::image_subtitles_during (ContentTimePeriod, bool) const
{
return list<ContentTimePeriod> ();
}
+
+list<ContentTimePeriod>
+DCPDecoder::text_subtitles_during (ContentTimePeriod period, bool starting) const
+{
+ /* XXX: inefficient */
+
+ list<ContentTimePeriod> ctp;
+ double const vfr = _dcp_content->active_video_frame_rate ();
+
+ BOOST_FOREACH (shared_ptr<dcp::Reel> r, _reels) {
+ if (!r->main_subtitle ()) {
+ continue;
+ }
+
+ int64_t const entry_point = r->main_subtitle()->entry_point ();
+
+ list<dcp::SubtitleString> subs = r->main_subtitle()->asset()->subtitles_during (
+ dcp::Time (period.from.seconds(), 1000) - dcp::Time (entry_point, vfr, vfr),
+ dcp::Time (period.to.seconds(), 1000) - dcp::Time (entry_point, vfr, vfr),
+ starting
+ );
+
+ BOOST_FOREACH (dcp::SubtitleString const & s, subs) {
+ ctp.push_back (
+ ContentTimePeriod (
+ ContentTime::from_seconds (s.in().as_seconds ()),
+ ContentTime::from_seconds (s.out().as_seconds ())
+ )
+ );
+ }
+ }
+
+ return ctp;
+}
+
+void
+DCPDecoder::set_decode_referenced ()
+{
+ _decode_referenced = true;
+}
projects / dcpomatic.git / blobdiff