diff options
Diffstat (limited to 'src/lib/ffmpeg_content.cc')
| -rw-r--r-- | src/lib/ffmpeg_content.cc | 151 |
1 files changed, 41 insertions, 110 deletions
diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc index 4d886a6dd..d3e0fa7b2 100644 --- a/src/lib/ffmpeg_content.cc +++ b/src/lib/ffmpeg_content.cc @@ -21,9 +21,11 @@ extern "C" { #include <libavformat/avformat.h> } #include <libcxml/cxml.h> -#include <libdcp/raw_convert.h> +#include <dcp/raw_convert.h> #include "ffmpeg_content.h" #include "ffmpeg_examiner.h" +#include "ffmpeg_subtitle_stream.h" +#include "ffmpeg_audio_stream.h" #include "compose.hpp" #include "job.h" #include "util.h" @@ -45,7 +47,7 @@ using std::cout; using std::pair; using boost::shared_ptr; using boost::dynamic_pointer_cast; -using libdcp::raw_convert; +using dcp::raw_convert; int const FFmpegContentProperty::SUBTITLE_STREAMS = 100; int const FFmpegContentProperty::SUBTITLE_STREAM = 101; @@ -62,7 +64,7 @@ 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) @@ -156,7 +158,7 @@ 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())); } } @@ -167,14 +169,14 @@ 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 (); - LOG_GENERAL ("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); + LOG_GENERAL ("Video length obtained from header as %1 frames", video_length.frames (video_frame_rate ())); { boost::mutex::scoped_lock lm (_mutex); @@ -194,8 +196,6 @@ 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); @@ -237,13 +237,13 @@ 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 (); @@ -271,19 +271,14 @@ 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 @@ -299,7 +294,7 @@ FFmpegContent::audio_channels () const } int -FFmpegContent::content_audio_frame_rate () const +FFmpegContent::audio_frame_rate () const { boost::mutex::scoped_lock lm (_mutex); @@ -322,94 +317,12 @@ operator!= (FFmpegStream const & a, FFmpegStream const & b) return a._id != b._id; } -FFmpegStream::FFmpegStream (shared_ptr<const cxml::Node> node) - : name (node->string_child ("Name")) - , _id (node->number_child<int> ("Id")) -{ - -} - -void -FFmpegStream::as_xml (xmlpp::Node* root) const -{ - root->add_child("Name")->add_child_text (name); - root->add_child("Id")->add_child_text (raw_convert<string> (_id)); -} - -FFmpegAudioStream::FFmpegAudioStream (shared_ptr<const cxml::Node> node, int version) - : FFmpegStream (node) - , mapping (node->node_child ("Mapping"), version) -{ - frame_rate = node->number_child<int> ("FrameRate"); - channels = node->number_child<int64_t> ("Channels"); - first_audio = node->optional_number_child<double> ("FirstAudio"); -} - -void -FFmpegAudioStream::as_xml (xmlpp::Node* root) const -{ - FFmpegStream::as_xml (root); - 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 ())); - } - mapping.as_xml (root->add_child("Mapping")); -} - -bool -FFmpegStream::uses_index (AVFormatContext const * fc, int index) const -{ - size_t i = 0; - while (i < fc->nb_streams) { - if (fc->streams[i]->id == _id) { - return int (i) == index; - } - ++i; - } - - return false; -} - -AVStream * -FFmpegStream::stream (AVFormatContext const * fc) const -{ - size_t i = 0; - while (i < fc->nb_streams) { - if (fc->streams[i]->id == _id) { - return fc->streams[i]; - } - ++i; - } - - assert (false); - return 0; -} - -/** Construct a SubtitleStream from a value returned from to_string(). - * @param t String returned from to_string(). - * @param v State file version. - */ -FFmpegSubtitleStream::FFmpegSubtitleStream (shared_ptr<const cxml::Node> node) - : FFmpegStream (node) -{ - -} - -void -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); - - FrameRateChange 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 @@ -439,7 +352,7 @@ void FFmpegContent::set_audio_mapping (AudioMapping m) { audio_stream()->mapping = m; - signal_changed (AudioContentProperty::AUDIO_MAPPING); + AudioContent::set_audio_mapping (m); } string @@ -482,3 +395,21 @@ FFmpegContent::audio_analysis_path () const p /= name; return p; } + +bool +FFmpegContent::has_subtitle_during (ContentTimePeriod period) const +{ + shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream (); + if (!stream) { + return false; + } + + /* XXX: inefficient */ + for (vector<ContentTimePeriod>::const_iterator i = stream->periods.begin(); i != stream->periods.end(); ++i) { + if (i->from <= period.to && i->to >= period.from) { + return true; + } + } + + return false; +} |