return _("Analyse audio");
}
-string
-AnalyseAudioJob::json_name () const
-{
- return N_("analyse_audio");
-}
-
void
AnalyseAudioJob::run ()
{
shared_ptr<Playlist> playlist (new Playlist);
playlist->add (content);
shared_ptr<Player> player (new Player (_film, playlist));
- player->disable_video ();
- player->Audio.connect (bind (&AnalyseAudioJob::audio, this, _1, _2));
-
int64_t const len = _film->length().frames (_film->audio_frame_rate());
_samples_per_point = max (int64_t (1), len / _num_points);
_analysis.reset (new AudioAnalysis (_film->audio_channels ()));
_done = 0;
- while (!player->pass ()) {
- set_progress (double (_done) / len);
+ DCPTime const block = DCPTime::from_seconds (1.0 / 8);
+ for (DCPTime t; t < _film->length(); t += block) {
+ analyse (player->get_audio (t, block, false));
+ set_progress (t.seconds() / _film->length().seconds());
}
_analysis->write (content->audio_analysis_path ());
}
void
-AnalyseAudioJob::audio (shared_ptr<const AudioBuffers> b, DCPTime)
+AnalyseAudioJob::analyse (shared_ptr<const AudioBuffers> b)
{
for (int i = 0; i < b->frames(); ++i) {
for (int j = 0; j < b->channels(); ++j) {
float s = b->data(j)[i];
if (fabsf (s) < 10e-7) {
- /* stringstream can't serialise and recover inf or -inf, so prevent such
+ /* SafeStringStream can't serialise and recover inf or -inf, so prevent such
values by replacing with this (140dB down) */
s = 10e-7;
}