#include "options.h"
#include "image.h"
#include "decoder_factory.h"
+#include "matcher.h"
+#include "delay_line.h"
+#include "gain.h"
+#include "combiner.h"
/** @file src/ab_transcoder.cc
* @brief A transcoder which uses one Film for the left half of the screen, and a different one
_da = decoder_factory (_film_a, o, j);
_db = decoder_factory (_film_b, o, j);
- /* XXX */
-
-// _da->Video.connect (bind (&ABTranscoder::process_video, this, _1, _2, 0));
-// _db->Video.connect (bind (&ABTranscoder::process_video, this, _1, _2, 1));
-// _da->Audio.connect (bind (&Encoder::process_audio, e, _1));
-}
+ if (_film_a->audio_stream()) {
+ AudioStream st = _film_a->audio_stream().get();
+ _matcher.reset (new Matcher (_film_a->log(), st.sample_rate(), _film_a->frames_per_second()));
+ _delay_line.reset (new DelayLine (_film_a->log(), st.channels(), _film_a->audio_delay() * st.sample_rate() / 1000));
+ _gain.reset (new Gain (_film_a->log(), _film_a->audio_gain()));
+ }
-ABTranscoder::~ABTranscoder ()
-{
+ /* Set up the decoder to use the film's set streams */
+ _da.first->set_subtitle_stream (_film_a->subtitle_stream ());
+ _db.first->set_subtitle_stream (_film_a->subtitle_stream ());
+ _da.second->set_audio_stream (_film_a->audio_stream ());
-}
+ _da.first->Video.connect (bind (&Combiner::process_video, _combiner, _1, _2));
+ _db.first->Video.connect (bind (&Combiner::process_video_b, _combiner, _1, _2));
-void
-ABTranscoder::process_video (shared_ptr<Image> yuv, shared_ptr<Subtitle> sub, int index)
-{
- if (index == 0) {
- /* Keep this image around until we get the other half */
- _image = yuv;
+ if (_matcher) {
+ _combiner->connect_video (_matcher);
+ _matcher->connect_video (_encoder);
} else {
- /* Copy the right half of yuv into _image */
- for (int i = 0; i < yuv->components(); ++i) {
- int const line_size = yuv->line_size()[i];
- int const half_line_size = line_size / 2;
- int const stride = yuv->stride()[i];
-
- uint8_t* p = _image->data()[i];
- uint8_t* q = yuv->data()[i];
-
- for (int j = 0; j < yuv->lines (i); ++j) {
- memcpy (p + half_line_size, q + half_line_size, half_line_size);
- p += stride;
- q += stride;
- }
- }
-
- /* And pass it to the encoder */
- _encoder->process_video (_image, sub);
- _image.reset ();
+ _combiner->connect_video (_encoder);
+ }
+
+ if (_matcher && _delay_line) {
+ _da.second->connect_audio (_delay_line);
+ _delay_line->connect_audio (_matcher);
+ _matcher->connect_audio (_gain);
+ _gain->connect_audio (_encoder);
}
}
-
void
ABTranscoder::go ()
{
class Log;
class Subtitle;
class Film;
+class Matcher;
+class DelayLine;
+class Gain;
+class Combiner;
/** @class ABTranscoder
* @brief A transcoder which uses one Film for the left half of the screen, and a different one
boost::shared_ptr<Encoder> e
);
- ~ABTranscoder ();
-
void go ();
private:
- void process_video (boost::shared_ptr<Image>, boost::shared_ptr<Subtitle>, int);
-
boost::shared_ptr<Film> _film_a;
boost::shared_ptr<Film> _film_b;
boost::shared_ptr<const Options> _opt;
boost::shared_ptr<Encoder> _encoder;
std::pair<boost::shared_ptr<VideoDecoder>, boost::shared_ptr<AudioDecoder> > _da;
std::pair<boost::shared_ptr<VideoDecoder>, boost::shared_ptr<AudioDecoder> > _db;
+ boost::shared_ptr<Combiner> _combiner;
+ boost::shared_ptr<Matcher> _matcher;
+ boost::shared_ptr<DelayLine> _delay_line;
+ boost::shared_ptr<Gain> _gain;
boost::shared_ptr<Image> _image;
};
--- /dev/null
+#include "combiner.h"
+#include "image.h"
+
+using boost::shared_ptr;
+
+Combiner::Combiner (Log* log)
+ : VideoProcessor (log)
+{
+
+}
+
+void
+Combiner::process_video (shared_ptr<Image> image, shared_ptr<Subtitle> sub)
+{
+ _image = image;
+}
+
+void
+Combiner::process_video_b (shared_ptr<Image> image, shared_ptr<Subtitle> sub)
+{
+ /* Copy the right half of this image into our _image */
+ for (int i = 0; i < image->components(); ++i) {
+ int const line_size = image->line_size()[i];
+ int const half_line_size = line_size / 2;
+ int const stride = image->stride()[i];
+
+ uint8_t* p = _image->data()[i];
+ uint8_t* q = image->data()[i];
+
+ for (int j = 0; j < image->lines (i); ++j) {
+ memcpy (p + half_line_size, q + half_line_size, half_line_size);
+ p += stride;
+ q += stride;
+ }
+ }
+
+ Video (_image, sub);
+ _image.reset ();
+}