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authorCarl Hetherington <cth@carlh.net>2013-06-26 01:21:21 +0100
committerCarl Hetherington <cth@carlh.net>2013-06-26 17:04:31 +0100
commit09a9ac376db005a40a351736bcff4077f098825d (patch)
tree64ea69741155d15d114ad96daf0f90e24b3abe28 /src/lib/silence_decoder.cc
parent46cd0fe7b5b514f0d9456b25f670679cc584a218 (diff)
Another try at sorting out the thorny question of timing.
Diffstat (limited to 'src/lib/silence_decoder.cc')
-rw-r--r--src/lib/silence_decoder.cc87
1 files changed, 0 insertions, 87 deletions
diff --git a/src/lib/silence_decoder.cc b/src/lib/silence_decoder.cc
deleted file mode 100644
index 0380117ce..000000000
--- a/src/lib/silence_decoder.cc
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
-
- This program 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,
- 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.
-
-*/
-
-#include "silence_decoder.h"
-#include "null_content.h"
-#include "audio_buffers.h"
-
-using std::min;
-using std::cout;
-using boost::shared_ptr;
-
-SilenceDecoder::SilenceDecoder (shared_ptr<const Film> f, shared_ptr<NullContent> c)
- : Decoder (f)
- , AudioDecoder (f, c)
-{
-
-}
-
-void
-SilenceDecoder::pass ()
-{
- shared_ptr<const Film> film = _film.lock ();
- assert (film);
-
- Time const this_time = min (_audio_content->length() - _next_audio, TIME_HZ / 2);
- cout << "silence emit " << this_time << " from " << _audio_content->length() << "\n";
- shared_ptr<AudioBuffers> data (new AudioBuffers (film->dcp_audio_channels(), film->time_to_audio_frames (this_time)));
- data->make_silent ();
- audio (data, _next_audio);
-}
-
-void
-SilenceDecoder::seek (Time t)
-{
- _next_audio = t;
-}
-
-void
-SilenceDecoder::seek_back ()
-{
- boost::shared_ptr<const Film> f = _film.lock ();
- if (!f) {
- return;
- }
-
- _next_audio -= f->video_frames_to_time (2);
-}
-
-void
-SilenceDecoder::seek_forward ()
-{
- boost::shared_ptr<const Film> f = _film.lock ();
- if (!f) {
- return;
- }
-
- _next_audio += f->video_frames_to_time (1);
-}
-
-Time
-SilenceDecoder::position () const
-{
- return _next_audio;
-}
-
-bool
-SilenceDecoder::done () const
-{
- return audio_done ();
-}
-