From 676eafc77c2799521925d54ba43b26df72c76b14 Mon Sep 17 00:00:00 2001
From: Mark Nauwelaerts <manauw@skynet.be>
Date: Thu, 13 Jul 2006 11:06:45 +0000
Subject: Port mpeg2enc to 0.10 (#343184).

Original commit message from CVS:
Patch by: Mark Nauwelaerts <manauw at skynet be>
* configure.ac:
* ext/Makefile.am:
* ext/mpeg2enc/Makefile.am:
* ext/mpeg2enc/gstmpeg2enc.cc:
* ext/mpeg2enc/gstmpeg2enc.hh:
* ext/mpeg2enc/gstmpeg2encoder.cc:
* ext/mpeg2enc/gstmpeg2encoder.hh:
* ext/mpeg2enc/gstmpeg2encoptions.cc:
* ext/mpeg2enc/gstmpeg2encpicturereader.cc:
* ext/mpeg2enc/gstmpeg2encpicturereader.hh:
* ext/mpeg2enc/gstmpeg2encstreamwriter.cc:
* ext/mpeg2enc/gstmpeg2encstreamwriter.hh:
Port mpeg2enc to 0.10 (#343184).
* tests/check/Makefile.am:
* tests/check/elements/.cvsignore:
* tests/check/elements/mpeg2enc.c:
Add unit test for mpeg2enc.
* tests/icles/.cvsignore:
Ignore pitch-test.
---
 ext/mpeg2enc/gstmpeg2encoder.cc | 78 ++++++++++++++++++++++++++++++++---------
 1 file changed, 62 insertions(+), 16 deletions(-)

(limited to 'ext/mpeg2enc/gstmpeg2encoder.cc')

diff --git a/ext/mpeg2enc/gstmpeg2encoder.cc b/ext/mpeg2enc/gstmpeg2encoder.cc
index 5a77b58b..866f63d8 100644
--- a/ext/mpeg2enc/gstmpeg2encoder.cc
+++ b/ext/mpeg2enc/gstmpeg2encoder.cc
@@ -1,5 +1,6 @@
 /* GStreamer mpeg2enc (mjpegtools) wrapper
  * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ * (c) 2006 Mark Nauwelaerts <manauw@skynet.be>
  *
  * gstmpeg2encoder.cc: gstreamer/mpeg2enc encoder class
  *
@@ -29,49 +30,94 @@
 #include <seqencoder.hh>
 #include <mpeg2coder.hh>
 
+#include "gstmpeg2enc.hh"
 #include "gstmpeg2encoder.hh"
 
 /*
  * Class init stuff.
  */
 
-GstMpeg2Encoder::GstMpeg2Encoder (GstMpeg2EncOptions * options,
-    GstPad * sinkpad, const GstCaps * caps, GstPad * srcpad):
+GstMpeg2Encoder::GstMpeg2Encoder (GstMpeg2EncOptions * options, GstElement * in_element, GstCaps * in_caps):
 MPEG2Encoder (*options)
 {
-  MPEG2EncInVidParams strm;
+  element = in_element;
+  gst_object_ref (element);
+  caps = in_caps;
+  gst_caps_ref (in_caps);
+  init_done = FALSE;
+}
+
+GstMpeg2Encoder::~GstMpeg2Encoder ()
+{
+  gst_caps_unref (caps);
+  gst_object_unref (element);
+}
+
+gboolean GstMpeg2Encoder::setup ()
+{
+  MPEG2EncInVidParams
+      strm;
+  GstMpeg2enc *
+      enc;
+
+  enc = GST_MPEG2ENC (element);
 
   /* I/O */
-  reader = new GstMpeg2EncPictureReader (sinkpad, caps, &parms);
+  reader = new GstMpeg2EncPictureReader (element, caps, &parms);
   reader->StreamPictureParams (strm);
-  if (options->SetFormatPresets (strm)) {
-    g_warning ("Eek! Format presets failed. This is really bad!");
+#ifdef GST_MJPEGTOOLS_18x
+  /* chain thread caters for reading, do not need another thread for this */
+  options.allow_parallel_read = FALSE;
+#endif
+  if (options.SetFormatPresets (strm)) {
+    return FALSE;
   }
-  writer = new GstMpeg2EncStreamWriter (srcpad, &parms);
+  writer = new GstMpeg2EncStreamWriter (enc->srcpad, &parms);
 
   /* encoding internals */
   quantizer = new Quantizer (parms);
-  coder = new MPEG2Coder (parms, *writer);
   bitrate_controller = new OnTheFlyRateCtl (parms);
-
+#ifdef GST_MJPEGTOOLS_18x
+  /* sequencer */
+  seqencoder = new SeqEncoder (parms, *reader, *quantizer,
+      *writer, *bitrate_controller);
+#else
+  coder = new MPEG2Coder (parms, *writer);
   /* sequencer */
   seqencoder = new SeqEncoder (parms, *reader, *quantizer,
       *writer, *coder, *bitrate_controller);
+#endif
+
+  return TRUE;
+}
 
-  parms.Init (*options);
-  reader->Init ();
-  quantizer->Init ();
+void
+GstMpeg2Encoder::init ()
+{
+  if (!init_done) {
+    parms.Init (options);
+    reader->Init ();
+    quantizer->Init ();
+#ifdef GST_MJPEGTOOLS_18x
+    seqencoder->Init ();
+#endif
+    init_done = TRUE;
+  }
 }
 
 /*
- * One image.
+ * Process all input provided by the reader until it signals eos.
  */
 
 void
-GstMpeg2Encoder::encodePicture ()
+GstMpeg2Encoder::encode ()
 {
   /* hm, this is all... eek! */
+#ifdef GST_MJPEGTOOLS_18x
+  seqencoder->EncodeStream ();
+#else
   seqencoder->Encode ();
+#endif
 }
 
 /*
@@ -81,12 +127,12 @@ GstMpeg2Encoder::encodePicture ()
 GstCaps *
 GstMpeg2Encoder::getFormat ()
 {
-  gdouble fps = Y4M_RATIO_DBL (mpeg_framerate (options.frame_rate));
+  y4m_ratio_t fps = mpeg_framerate (options.frame_rate);
 
   return gst_caps_new_simple ("video/mpeg",
       "systemstream", G_TYPE_BOOLEAN, FALSE,
       "mpegversion", G_TYPE_INT, options.mpeg,
       "width", G_TYPE_INT, options.in_img_width,
       "height", G_TYPE_INT, options.in_img_height,
-      "framerate", G_TYPE_DOUBLE, fps, NULL);
+      "framerate", GST_TYPE_FRACTION, fps.n, fps.d, NULL);
 }
-- 
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