X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Ftranscoder.cc;h=2e33931bd50872cc5edbb16c274af19e336a5bb1;hb=f861018389acd9d277fe34d7621182b9b54f977f;hp=b74d09174ee1a53f6d77dab2e7864691559ef605;hpb=c55d8bcda8f4da74bbc9489127354211cea8f2ff;p=dcpomatic.git diff --git a/src/lib/transcoder.cc b/src/lib/transcoder.cc index b74d09174..2e33931bd 100644 --- a/src/lib/transcoder.cc +++ b/src/lib/transcoder.cc @@ -18,55 +18,93 @@ */ /** @file src/transcoder.cc - * @brief A class which takes a FilmState and some Options, then uses those to transcode a Film. + * @brief A class which takes a Film and some Options, then uses those to transcode the film. * * A decoder is selected according to the content type, and the encoder can be specified * as a parameter to the constructor. */ #include -#include +#include #include "transcoder.h" #include "encoder.h" -#include "decoder_factory.h" +#include "film.h" +#include "matcher.h" +#include "delay_line.h" +#include "gain.h" +#include "video_decoder.h" +#include "audio_decoder.h" +#include "player.h" +#include "trimmer.h" -using namespace std; -using namespace boost; +using std::string; +using boost::shared_ptr; +using boost::dynamic_pointer_cast; /** Construct a transcoder using a Decoder that we create and a supplied Encoder. - * @param s FilmState of Film that we are transcoding. - * @param o Options. + * @param f Film that we are transcoding. * @param j Job that we are running under, or 0. - * @param l Log that we can write to. * @param e Encoder to use. */ -Transcoder::Transcoder (shared_ptr s, shared_ptr o, Job* j, Log* l, shared_ptr e) +Transcoder::Transcoder (shared_ptr f, shared_ptr j) : _job (j) - , _encoder (e) - , _decoder (decoder_factory (s, o, j, l)) + , _player (f->player ()) + , _encoder (new Encoder (f)) { - assert (_encoder); + _matcher.reset (new Matcher (f->log(), f->audio_frame_rate(), f->video_frame_rate())); + _delay_line.reset (new DelayLine (f->log(), f->audio_delay() * f->audio_frame_rate() / 1000)); + _gain.reset (new Gain (f->log(), f->audio_gain())); + + int const trim_start = f->trim_type() == Film::ENCODE ? f->trim_start() : 0; + int const trim_end = f->trim_type() == Film::ENCODE ? f->trim_end() : 0; + _trimmer.reset (new Trimmer ( + f->log(), trim_start, trim_end, f->content_length(), + f->audio_frame_rate(), f->video_frame_rate(), f->dcp_frame_rate() + )); + + if (!f->with_subtitles ()) { + _player->disable_subtitles (); + } + + _player->connect_video (_delay_line); + _delay_line->connect_video (_matcher); + _matcher->connect_video (_trimmer); + _trimmer->connect_video (_encoder); - _decoder->Video.connect (sigc::mem_fun (*e, &Encoder::process_video)); - _decoder->Audio.connect (sigc::mem_fun (*e, &Encoder::process_audio)); + _player->connect_audio (_delay_line); + _delay_line->connect_audio (_matcher); + _matcher->connect_audio (_gain); + _gain->connect_audio (_trimmer); + _trimmer->connect_audio (_encoder); } -/** Run the decoder, passing its output to the encoder, until the decoder - * has no more data to present. - */ void Transcoder::go () { - _encoder->process_begin (_decoder->audio_channel_layout(), _decoder->audio_sample_format()); - try { - _decoder->go (); - } catch (...) { - /* process_end() is important as the decoder may have worker - threads that need to be cleaned up. - */ - _encoder->process_end (); - throw; + _encoder->process_begin (); + while (1) { + if (_player->pass ()) { + break; + } + _player->set_progress (_job); } + _delay_line->process_end (); + if (_matcher) { + _matcher->process_end (); + } + _gain->process_end (); _encoder->process_end (); } + +float +Transcoder::current_encoding_rate () const +{ + return _encoder->current_encoding_rate (); +} + +int +Transcoder::video_frames_out () const +{ + return _encoder->video_frames_out (); +}