/*
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/cpl.h>
#include <dcp/reel.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/sound_asset_reader.h>
#include <boost/foreach.hpp>
#include <iostream>
using boost::dynamic_pointer_cast;
DCPDecoder::DCPDecoder (shared_ptr<const DCPContent> c, shared_ptr<Log> log, bool fast)
- : VideoDecoder (c, log)
- , AudioDecoder (c->audio, fast, log)
- , SubtitleDecoder (c->subtitle)
- , _dcp_content (c)
+ : _dcp_content (c)
{
+ video.reset (new VideoDecoder (this, c, log));
+ audio.reset (new AudioDecoder (this, c->audio, fast, 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 (false, 0, true);
if (c->kdm ()) {
}
DCPOMATIC_ASSERT (dcp.cpls().size() == 1);
_reels = dcp.cpls().front()->reels ();
+
_reel = _reels.begin ();
+ _offset = 0;
+ get_readers ();
}
bool
return true;
}
- /* Offset of the start of the current reel from the start of the content in frames */
- int offset = 0;
- list<shared_ptr<dcp::Reel> >::const_iterator i = _reels.begin();
- while (i != _reel) {
- offset += (*i)->main_picture()->duration ();
- ++i;
- }
-
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 ((*_reel)->main_picture () && reason != PASS_REASON_SUBTITLE) {
+ if ((_mono_reader || _stereo_reader) && reason != PASS_REASON_SUBTITLE) {
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);
int64_t const entry_point = (*_reel)->main_picture()->entry_point ();
- if (mono) {
- video (shared_ptr<ImageProxy> (new J2KImageProxy (mono->get_frame (entry_point + frame), asset->size())), offset + frame);
+ if (_mono_reader) {
+ video->give (shared_ptr<ImageProxy> (new J2KImageProxy (_mono_reader->get_frame (entry_point + frame), asset->size())), _offset + frame);
} else {
- video (
- shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame (entry_point + frame), asset->size(), dcp::EYE_LEFT)),
- offset + frame
+ video->give (
+ shared_ptr<ImageProxy> (new J2KImageProxy (_stereo_reader->get_frame (entry_point + frame), asset->size(), dcp::EYE_LEFT)),
+ _offset + frame
);
- video (
- shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame (entry_point + frame), asset->size(), dcp::EYE_RIGHT)),
- offset + frame
+ video->give (
+ shared_ptr<ImageProxy> (new J2KImageProxy (_stereo_reader->get_frame (entry_point + frame), asset->size(), dcp::EYE_RIGHT)),
+ _offset + frame
);
}
}
- if ((*_reel)->main_sound () && reason != PASS_REASON_SUBTITLE) {
+ if (_sound_reader && reason != PASS_REASON_SUBTITLE) {
int64_t const entry_point = (*_reel)->main_sound()->entry_point ();
- shared_ptr<const dcp::SoundFrame> sf = (*_reel)->main_sound()->asset()->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->stream()->channels ();
}
}
- audio (_dcp_content->audio->stream(), data, ContentTime::from_frames (offset, vfr) + _next);
+ audio->give (_dcp_content->audio->stream(), data, ContentTime::from_frames (_offset, vfr) + _next);
}
if ((*_reel)->main_subtitle ()) {
if (!subs.empty ()) {
/* XXX: assuming that all `subs' are at the same time; maybe this is ok */
- text_subtitle (
+ 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 ())
+ 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
);
if ((*_reel)->main_picture ()) {
if (_next.frames_round (vfr) >= (*_reel)->main_picture()->duration()) {
- ++_reel;
+ 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->active_video_frame_rate ())) {
t -= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate ());
- ++_reel;
+ next_reel ();
}
_next = t;
projects / dcpomatic.git / blobdiff