#include <boost/shared_ptr.hpp>
#include "ab_transcoder.h"
#include "film.h"
-#include "decoder.h"
+#include "video_decoder.h"
+#include "audio_decoder.h"
#include "encoder.h"
#include "job.h"
#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
, _opt (o)
, _job (j)
, _encoder (e)
- , _last_frame (0)
{
_da = decoder_factory (_film_a, o, j);
_db = decoder_factory (_film_b, o, j);
- _da->Video.connect (bind (&ABTranscoder::process_video, this, _1, _2, _3, 0));
- _db->Video.connect (bind (&ABTranscoder::process_video, this, _1, _2, _3, 1));
- _da->Audio.connect (bind (&Encoder::process_audio, e, _1, _2));
-}
+ 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, SourceFrame frame, 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, frame, sub);
- _image.reset ();
+ _combiner->connect_video (_encoder);
}
- _last_frame = frame;
+ 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 ()
{
_encoder->process_begin ();
- _da->process_begin ();
- _db->process_begin ();
while (1) {
- bool const a = _da->pass ();
- bool const b = _db->pass ();
+ bool const va = _da.first->pass ();
+ bool const vb = _db.first->pass ();
+ bool const a = _da.first->pass ();
- if (a && b) {
+ if (va && vb && a) {
break;
}
}
_encoder->process_end ();
- _da->process_end ();
- _db->process_end ();
}