X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Fanalyse_audio_job.cc;h=af58e77ac59058097be12614c8c8499656ccff93;hp=50096d7c125f183d694d4534febbadb4f20f4739;hb=854f2e5bbb7ffb9758b823af87034033033f3cb8;hpb=d62877ae6c4e316e43f4052e4b9ba673610012cf diff --git a/src/lib/analyse_audio_job.cc b/src/lib/analyse_audio_job.cc index 50096d7c1..af58e77ac 100644 --- a/src/lib/analyse_audio_job.cc +++ b/src/lib/analyse_audio_job.cc @@ -18,6 +18,7 @@ */ #include "audio_analysis.h" +#include "audio_buffers.h" #include "analyse_audio_job.h" #include "compose.hpp" #include "film.h" @@ -33,8 +34,9 @@ using boost::shared_ptr; int const AnalyseAudioJob::_num_points = 1024; -AnalyseAudioJob::AnalyseAudioJob (shared_ptr f) +AnalyseAudioJob::AnalyseAudioJob (shared_ptr f, shared_ptr c) : Job (f) + , _content (c) , _done (0) , _samples_per_point (1) { @@ -44,34 +46,48 @@ AnalyseAudioJob::AnalyseAudioJob (shared_ptr f) string AnalyseAudioJob::name () const { - return String::compose (_("Analyse audio of %1"), _film->name()); + return _("Analyse audio"); +} + +string +AnalyseAudioJob::json_name () const +{ + return N_("analyse_audio"); } void AnalyseAudioJob::run () { - shared_ptr player = _film->player (); - player->disable_video (); + shared_ptr content = _content.lock (); + if (!content) { + return; + } + + shared_ptr playlist (new Playlist); + playlist->add (content); + shared_ptr player (new Player (_film, playlist)); - player->Audio.connect (bind (&AnalyseAudioJob::audio, this, _1)); + int64_t const len = _film->length().frames (_film->audio_frame_rate()); + _samples_per_point = max (int64_t (1), len / _num_points); - _samples_per_point = max (int64_t (1), _film->audio_length() / _num_points); + _current.resize (_film->audio_channels ()); + _analysis.reset (new AudioAnalysis (_film->audio_channels ())); - _current.resize (MAX_AUDIO_CHANNELS); - _analysis.reset (new AudioAnalysis (MAX_AUDIO_CHANNELS)); - - while (!player->pass()) { - set_progress (float (_done) / _film->audio_length ()); + _done = 0; + 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 (_film->audio_analysis_path ()); + _analysis->write (content->audio_analysis_path ()); set_progress (1); set_state (FINISHED_OK); } void -AnalyseAudioJob::audio (shared_ptr b) +AnalyseAudioJob::analyse (shared_ptr b) { for (int i = 0; i < b->frames(); ++i) { for (int j = 0; j < b->channels(); ++j) { @@ -87,7 +103,7 @@ AnalyseAudioJob::audio (shared_ptr b) if ((_done % _samples_per_point) == 0) { _current[j][AudioPoint::RMS] = sqrt (_current[j][AudioPoint::RMS] / _samples_per_point); _analysis->add_point (j, _current[j]); - + _current[j] = AudioPoint (); } }