Untested rework of AB transcoder.

diff --git a/src/lib/ab_transcoder.cc b/src/lib/ab_transcoder.cc
index 9999eda90a853fd68ca6fce341541cc4d50bbff1..00fc025a20cea4f500000ae63f330dd0fa33052d 100644 (file)
--- a/src/lib/ab_transcoder.cc
+++ b/src/lib/ab_transcoder.cc
@@ -28,6 +28,10 @@
 #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
@@ -55,48 +59,36 @@ ABTranscoder::ABTranscoder (
        _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 ()
 {

diff --git a/src/lib/ab_transcoder.h b/src/lib/ab_transcoder.h
index c951329f2bfc6eeefdc00687a13980f60da7db73..9b57e4f73497c2accbde989f135fb148a9522b3b 100644 (file)
--- a/src/lib/ab_transcoder.h
+++ b/src/lib/ab_transcoder.h
@@ -35,6 +35,10 @@ class Image;
 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
@@ -51,13 +55,9 @@ public:
                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;
@@ -65,5 +65,9 @@ private:
        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;
 };

diff --git a/src/lib/combiner.cc b/src/lib/combiner.cc
new file mode 100644 (file)
index 0000000..4ccf7bb
--- /dev/null
+++ b/src/lib/combiner.cc
@@ -0,0 +1,39 @@
+#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 ();
+}

diff --git a/src/lib/combiner.h b/src/lib/combiner.h
new file mode 100644 (file)
index 0000000..7d81500
--- /dev/null
+++ b/src/lib/combiner.h
@@ -0,0 +1,13 @@
+#include "processor.h"
+
+class Combiner : public VideoProcessor
+{
+public:
+       Combiner (Log* log);
+
+       void process_video (boost::shared_ptr<Image> i, boost::shared_ptr<Subtitle> s);
+       void process_video_b (boost::shared_ptr<Image> i, boost::shared_ptr<Subtitle> s);
+
+private:
+       boost::shared_ptr<Image> _image;
+};

diff --git a/src/lib/wscript b/src/lib/wscript
index 339c73e4774db3dea15d7cf2cd0792dc3cb15925..5284dc97f7fb44c73753e612825952f90c49578e 100644 (file)
--- a/src/lib/wscript
+++ b/src/lib/wscript
@@ -13,6 +13,7 @@ def build(bld):
                  check_hashes_job.cc
                 config.cc
                 copy_from_dvd_job.cc
+                 combiner.cc
                  cross.cc
                 dcp_content_type.cc
                 dcp_video_frame.cc