diff options
| author | Carl Hetherington <cth@carlh.net> | 2013-03-31 15:09:49 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2013-03-31 15:09:49 +0100 |
| commit | 127672223cca569986e35c91265e269ed5a6561c (patch) | |
| tree | 853793c1b929d4c38ebdf5456808e466083989b7 /src/lib/ffmpeg_content.cc | |
| parent | ed78fd3d138114185e43edf81ffe91db17377da0 (diff) | |
Runs.
Diffstat (limited to 'src/lib/ffmpeg_content.cc')
| -rw-r--r-- | src/lib/ffmpeg_content.cc | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc new file mode 100644 index 000000000..25efb1ebf --- /dev/null +++ b/src/lib/ffmpeg_content.cc @@ -0,0 +1,156 @@ +#include "ffmpeg_content.h" +#include "ffmpeg_decoder.h" +#include "options.h" +#include "compose.hpp" +#include "job.h" +#include "util.h" +#include "log.h" + +#include "i18n.h" + +using std::string; +using boost::shared_ptr; + +int const FFmpegContentProperty::SUBTITLE_STREAMS = 100; +int const FFmpegContentProperty::SUBTITLE_STREAM = 101; +int const FFmpegContentProperty::AUDIO_STREAMS = 102; +int const FFmpegContentProperty::AUDIO_STREAM = 103; + +FFmpegContent::FFmpegContent (boost::filesystem::path f) + : Content (f) + , VideoContent (f) + , AudioContent (f) +{ + +} + +void +FFmpegContent::examine (shared_ptr<Film> film, shared_ptr<Job> job, bool quick) +{ + job->descend (0.5); + Content::examine (film, job, quick); + job->ascend (); + + job->set_progress_unknown (); + + DecodeOptions o; + o.decode_audio = false; + shared_ptr<FFmpegDecoder> decoder (new FFmpegDecoder (film, shared_from_this (), o)); + + ContentVideoFrame video_length = 0; + if (quick) { + video_length = decoder->video_length (); + film->log()->log (String::compose ("Video length obtained from header as %1 frames", decoder->video_length ())); + } else { + while (!decoder->pass ()) { + /* keep going */ + } + + video_length = decoder->video_frame (); + film->log()->log (String::compose ("Video length examined as %1 frames", decoder->video_frame ())); + } + + { + boost::mutex::scoped_lock lm (_mutex); + + _video_length = video_length; + + _subtitle_streams = decoder->subtitle_streams (); + if (!_subtitle_streams.empty ()) { + _subtitle_stream = _subtitle_streams.front (); + } + + _audio_streams = decoder->audio_streams (); + if (!_audio_streams.empty ()) { + _audio_stream = _audio_streams.front (); + } + } + + take_from_video_decoder (decoder); + + Changed (VideoContentProperty::VIDEO_LENGTH); + Changed (FFmpegContentProperty::SUBTITLE_STREAMS); + Changed (FFmpegContentProperty::SUBTITLE_STREAM); + Changed (FFmpegContentProperty::AUDIO_STREAMS); + Changed (FFmpegContentProperty::AUDIO_STREAM); +} + +string +FFmpegContent::summary () const +{ + return String::compose (_("Movie: %1"), file().filename ()); +} + +void +FFmpegContent::set_subtitle_stream (FFmpegSubtitleStream s) +{ + { + boost::mutex::scoped_lock lm (_mutex); + _subtitle_stream = s; + } + + Changed (FFmpegContentProperty::SUBTITLE_STREAM); +} + +void +FFmpegContent::set_audio_stream (FFmpegAudioStream s) +{ + { + boost::mutex::scoped_lock lm (_mutex); + _audio_stream = s; + } + + Changed (FFmpegContentProperty::AUDIO_STREAM); +} + +ContentAudioFrame +FFmpegContent::audio_length () const +{ + if (!_audio_stream) { + return 0; + } + + return video_frames_to_audio_frames (_video_length, audio_frame_rate(), video_frame_rate()); +} + +int +FFmpegContent::audio_channels () const +{ + if (!_audio_stream) { + return 0; + } + + return _audio_stream->channels (); +} + +int +FFmpegContent::audio_frame_rate () const +{ + if (!_audio_stream) { + return 0; + } + + return _audio_stream->frame_rate; +} + +int64_t +FFmpegContent::audio_channel_layout () const +{ + if (!_audio_stream) { + return 0; + } + + return _audio_stream->channel_layout; +} + +bool +operator== (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b) +{ + return a.id == b.id; +} + +bool +operator== (FFmpegAudioStream const & a, FFmpegAudioStream const & b) +{ + return a.id == b.id; +} |
