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authorCarl Hetherington <cth@carlh.net>2012-11-10 13:19:09 +0000
committerCarl Hetherington <cth@carlh.net>2012-11-10 13:19:09 +0000
commit3d9b5186aa39150e53aef3bab09f4350f85cb885 (patch)
treeaec2493b2d319f2694ebe7304990c6addb702fc7 /src/lib/j2k_wav_encoder.cc
parent5c225839172ce9f0a9be81dabfbbeb3190a9ff20 (diff)
More various AudioStream hacks.
Diffstat (limited to 'src/lib/j2k_wav_encoder.cc')
-rw-r--r--src/lib/j2k_wav_encoder.cc76
1 files changed, 40 insertions, 36 deletions
diff --git a/src/lib/j2k_wav_encoder.cc b/src/lib/j2k_wav_encoder.cc
index 6d777babb..108320d32 100644
--- a/src/lib/j2k_wav_encoder.cc
+++ b/src/lib/j2k_wav_encoder.cc
@@ -58,20 +58,22 @@ J2KWAVEncoder::J2KWAVEncoder (shared_ptr<const Film> f, shared_ptr<const Options
, _audio_frames_written (0)
, _process_end (false)
{
- /* Create sound output files with .tmp suffixes; we will rename
- them if and when we complete.
- */
- for (int i = 0; i < _film->audio_channels(); ++i) {
- SF_INFO sf_info;
- sf_info.samplerate = dcp_audio_sample_rate (_film->audio_sample_rate());
- /* We write mono files */
- sf_info.channels = 1;
- sf_info.format = SF_FORMAT_WAV | SF_FORMAT_PCM_24;
- SNDFILE* f = sf_open (_opt->multichannel_audio_out_path (i, true).c_str (), SFM_WRITE, &sf_info);
- if (f == 0) {
- throw CreateFileError (_opt->multichannel_audio_out_path (i, true));
+ if (_film->audio_stream()) {
+ /* Create sound output files with .tmp suffixes; we will rename
+ them if and when we complete.
+ */
+ for (int i = 0; i < _film->audio_channels(); ++i) {
+ SF_INFO sf_info;
+ sf_info.samplerate = dcp_audio_sample_rate (_film->audio_stream().get().sample_rate());
+ /* We write mono files */
+ sf_info.channels = 1;
+ sf_info.format = SF_FORMAT_WAV | SF_FORMAT_PCM_24;
+ SNDFILE* f = sf_open (_opt->multichannel_audio_out_path (i, true).c_str (), SFM_WRITE, &sf_info);
+ if (f == 0) {
+ throw CreateFileError (_opt->multichannel_audio_out_path (i, true));
+ }
+ _sound_files.push_back (f);
}
- _sound_files.push_back (f);
}
}
@@ -225,24 +227,24 @@ J2KWAVEncoder::encoder_thread (ServerDescription* server)
}
void
-J2KWAVEncoder::process_begin (int64_t audio_channel_layout)
+J2KWAVEncoder::process_begin ()
{
- if (_film->audio_sample_rate() != _film->target_audio_sample_rate()) {
+ if (_film->audio_stream() && _film->audio_stream().get().sample_rate() != _film->target_audio_sample_rate()) {
#ifdef HAVE_SWRESAMPLE
stringstream s;
- s << "Will resample audio from " << _film->audio_sample_rate() << " to " << _film->target_audio_sample_rate();
+ s << "Will resample audio from " << _film->audio_stream().get().sample_rate() << " to " << _film->target_audio_sample_rate();
_film->log()->log (s.str ());
/* We will be using planar float data when we call the resampler */
_swr_context = swr_alloc_set_opts (
0,
- audio_channel_layout,
+ _film->audio_stream().get().channel_layout(),
AV_SAMPLE_FMT_FLTP,
_film->target_audio_sample_rate(),
- audio_channel_layout,
+ _film->audio_stream().get().channel_layout(),
AV_SAMPLE_FMT_FLTP,
- _film->audio_sample_rate(),
+ _film->audio_stream().get().sample_rate(),
0, 0
);
@@ -310,9 +312,9 @@ J2KWAVEncoder::process_end ()
}
#if HAVE_SWRESAMPLE
- if (_swr_context) {
+ if (_film->audio_stream() && _swr_context) {
- shared_ptr<AudioBuffers> out (new AudioBuffers (_film->audio_channels(), 256));
+ shared_ptr<AudioBuffers> out (new AudioBuffers (_film->audio_stream().get().channels(), 256));
while (1) {
int const frames = swr_convert (_swr_context, (uint8_t **) out->data(), 256, 0, 0);
@@ -333,20 +335,22 @@ J2KWAVEncoder::process_end ()
}
#endif
- int const dcp_sr = dcp_audio_sample_rate (_film->audio_sample_rate ());
- int64_t const extra_audio_frames = dcp_sr - (_audio_frames_written % dcp_sr);
- shared_ptr<AudioBuffers> silence (new AudioBuffers (_film->audio_channels(), extra_audio_frames));
- silence->make_silent ();
- write_audio (silence);
-
- close_sound_files ();
-
- /* Rename .wav.tmp files to .wav */
- for (int i = 0; i < _film->audio_channels(); ++i) {
- if (boost::filesystem::exists (_opt->multichannel_audio_out_path (i, false))) {
- boost::filesystem::remove (_opt->multichannel_audio_out_path (i, false));
+ if (_film->audio_stream()) {
+ int const dcp_sr = dcp_audio_sample_rate (_film->audio_stream().get().sample_rate ());
+ int64_t const extra_audio_frames = dcp_sr - (_audio_frames_written % dcp_sr);
+ shared_ptr<AudioBuffers> silence (new AudioBuffers (_film->audio_stream().get().channels(), extra_audio_frames));
+ silence->make_silent ();
+ write_audio (silence);
+
+ close_sound_files ();
+
+ /* Rename .wav.tmp files to .wav */
+ for (int i = 0; i < _film->audio_channels(); ++i) {
+ if (boost::filesystem::exists (_opt->multichannel_audio_out_path (i, false))) {
+ boost::filesystem::remove (_opt->multichannel_audio_out_path (i, false));
+ }
+ boost::filesystem::rename (_opt->multichannel_audio_out_path (i, true), _opt->multichannel_audio_out_path (i, false));
}
- boost::filesystem::rename (_opt->multichannel_audio_out_path (i, true), _opt->multichannel_audio_out_path (i, false));
}
}
@@ -360,9 +364,9 @@ J2KWAVEncoder::do_process_audio (shared_ptr<const AudioBuffers> audio)
if (_swr_context) {
/* Compute the resampled frames count and add 32 for luck */
- int const max_resampled_frames = ceil (audio->frames() * _film->target_audio_sample_rate() / _film->audio_sample_rate()) + 32;
+ int const max_resampled_frames = ceil (audio->frames() * _film->target_audio_sample_rate() / _film->audio_stream().get().sample_rate()) + 32;
- resampled.reset (new AudioBuffers (_film->audio_channels(), max_resampled_frames));
+ resampled.reset (new AudioBuffers (_film->audio_stream().get().channels(), max_resampled_frames));
/* Resample audio */
int const resampled_frames = swr_convert (