diff options
Diffstat (limited to 'src/lib/ffmpeg_content.cc')
| -rw-r--r-- | src/lib/ffmpeg_content.cc | 79 |
1 files changed, 23 insertions, 56 deletions
diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc index f810d53be..d15f3fd26 100644 --- a/src/lib/ffmpeg_content.cc +++ b/src/lib/ffmpeg_content.cc @@ -59,7 +59,7 @@ FFmpegContent::FFmpegContent (shared_ptr<const Film> f, boost::filesystem::path } -FFmpegContent::FFmpegContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version, list<string>& notes) +FFmpegContent::FFmpegContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version, list<string>& notes) : Content (f, node) , VideoContent (f, node, version) , AudioContent (f, node) @@ -153,7 +153,7 @@ FFmpegContent::as_xml (xmlpp::Node* node) const } if (_first_video) { - node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get ())); + node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get())); } } @@ -164,14 +164,14 @@ FFmpegContent::examine (shared_ptr<Job> job) Content::examine (job); - shared_ptr<const Film> film = _film.lock (); - assert (film); - shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this ())); + take_from_video_examiner (examiner); - VideoContent::Frame video_length = 0; - video_length = examiner->video_length (); - film->log()->log (String::compose ("Video length obtained from header as %1 frames", video_length)); + ContentTime video_length = examiner->video_length (); + + shared_ptr<const Film> film = _film.lock (); + assert (film); + film->log()->log (String::compose ("Video length obtained from header as %1 frames", video_length.frames (video_frame_rate ()))); { boost::mutex::scoped_lock lm (_mutex); @@ -191,8 +191,6 @@ FFmpegContent::examine (shared_ptr<Job> job) _first_video = examiner->first_video (); } - take_from_video_examiner (examiner); - signal_changed (ContentProperty::LENGTH); signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS); signal_changed (FFmpegContentProperty::SUBTITLE_STREAM); @@ -234,13 +232,13 @@ FFmpegContent::technical_summary () const string FFmpegContent::information () const { - if (video_length() == 0 || video_frame_rate() == 0) { + if (video_length() == ContentTime (0) || video_frame_rate() == 0) { return ""; } stringstream s; - s << String::compose (_("%1 frames; %2 frames per second"), video_length_after_3d_combine(), video_frame_rate()) << "\n"; + s << String::compose (_("%1 frames; %2 frames per second"), video_length_after_3d_combine().frames (video_frame_rate()), video_frame_rate()) << "\n"; s << VideoContent::information (); return s.str (); @@ -268,19 +266,14 @@ FFmpegContent::set_audio_stream (shared_ptr<FFmpegAudioStream> s) signal_changed (FFmpegContentProperty::AUDIO_STREAM); } -AudioContent::Frame +ContentTime FFmpegContent::audio_length () const { - int const cafr = content_audio_frame_rate (); - float const vfr = video_frame_rate (); - VideoContent::Frame const vl = video_length_after_3d_combine (); - - boost::mutex::scoped_lock lm (_mutex); - if (!_audio_stream) { - return 0; + if (!audio_stream ()) { + return ContentTime (); } - - return video_frames_to_audio_frames (vl, cafr, vfr); + + return video_length (); } int @@ -296,7 +289,7 @@ FFmpegContent::audio_channels () const } int -FFmpegContent::content_audio_frame_rate () const +FFmpegContent::audio_frame_rate () const { boost::mutex::scoped_lock lm (_mutex); @@ -307,30 +300,6 @@ FFmpegContent::content_audio_frame_rate () const return _audio_stream->frame_rate; } -int -FFmpegContent::output_audio_frame_rate () const -{ - shared_ptr<const Film> film = _film.lock (); - assert (film); - - /* Resample to a DCI-approved sample rate */ - double t = dcp_audio_frame_rate (content_audio_frame_rate ()); - - FrameRateConversion frc (video_frame_rate(), film->video_frame_rate()); - - /* Compensate if the DCP is being run at a different frame rate - to the source; that is, if the video is run such that it will - look different in the DCP compared to the source (slower or faster). - skip/repeat doesn't come into effect here. - */ - - if (frc.change_speed) { - t *= video_frame_rate() * frc.factor() / film->video_frame_rate(); - } - - return rint (t); -} - bool operator== (FFmpegStream const & a, FFmpegStream const & b) { @@ -343,7 +312,7 @@ operator!= (FFmpegStream const & a, FFmpegStream const & b) return a._id != b._id; } -FFmpegStream::FFmpegStream (shared_ptr<const cxml::Node> node) +FFmpegStream::FFmpegStream (cxml::ConstNodePtr node) : name (node->string_child ("Name")) , _id (node->number_child<int> ("Id")) { @@ -357,7 +326,7 @@ FFmpegStream::as_xml (xmlpp::Node* root) const root->add_child("Id")->add_child_text (raw_convert<string> (_id)); } -FFmpegAudioStream::FFmpegAudioStream (shared_ptr<const cxml::Node> node, int version) +FFmpegAudioStream::FFmpegAudioStream (cxml::ConstNodePtr node, int version) : FFmpegStream (node) , mapping (node->node_child ("Mapping"), version) { @@ -373,7 +342,7 @@ FFmpegAudioStream::as_xml (xmlpp::Node* root) const root->add_child("FrameRate")->add_child_text (raw_convert<string> (frame_rate)); root->add_child("Channels")->add_child_text (raw_convert<string> (channels)); if (first_audio) { - root->add_child("FirstAudio")->add_child_text (raw_convert<string> (first_audio.get ())); + root->add_child("FirstAudio")->add_child_text (raw_convert<string> (first_audio.get().get())); } mapping.as_xml (root->add_child("Mapping")); } @@ -411,7 +380,7 @@ FFmpegStream::stream (AVFormatContext const * fc) const * @param t String returned from to_string(). * @param v State file version. */ -FFmpegSubtitleStream::FFmpegSubtitleStream (shared_ptr<const cxml::Node> node) +FFmpegSubtitleStream::FFmpegSubtitleStream (cxml::ConstNodePtr node) : FFmpegStream (node) { @@ -423,14 +392,12 @@ FFmpegSubtitleStream::as_xml (xmlpp::Node* root) const FFmpegStream::as_xml (root); } -Time +DCPTime FFmpegContent::full_length () const { shared_ptr<const Film> film = _film.lock (); assert (film); - - FrameRateConversion frc (video_frame_rate (), film->video_frame_rate ()); - return video_length_after_3d_combine() * frc.factor() * TIME_HZ / film->video_frame_rate (); + return DCPTime (video_length_after_3d_combine(), FrameRateChange (video_frame_rate (), film->video_frame_rate ())); } AudioMapping @@ -460,7 +427,7 @@ void FFmpegContent::set_audio_mapping (AudioMapping m) { audio_stream()->mapping = m; - signal_changed (AudioContentProperty::AUDIO_MAPPING); + AudioContent::set_audio_mapping (m); } string |