1 files changed, 95 insertions, 0 deletions
diff --git a/ext/mpeg2enc/gstmpeg2encoder.cc b/ext/mpeg2enc/gstmpeg2encoder.cc
new file mode 100644
index 00000000..e0952db1
--- /dev/null
+++ b/ext/mpeg2enc/gstmpeg2encoder.cc
@@ -0,0 +1,95 @@
+/* GStreamer mpeg2enc (mjpegtools) wrapper
+ * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstmpeg2encoder.cc: gstreamer/mpeg2enc encoder class
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <mpegconsts.h>
+#include <quantize.hh>
+#include <ratectl.hh>
+#include <seqencoder.hh>
+#include <mpeg2coder.hh>
+
+#include "gstmpeg2encoder.hh"
+
+/*
+ * Class init stuff.
+ */
+
+GstMpeg2Encoder::GstMpeg2Encoder (GstMpeg2EncOptions *options,
+				  GstPad             *sinkpad,
+				  GstCaps            *caps,
+				  GstPad             *srcpad) :
+  MPEG2Encoder (*options)
+{
+  MPEG2EncInVidParams strm;
+
+  /* I/O */
+  reader = new GstMpeg2EncPictureReader (sinkpad, caps, &parms);
+  reader->StreamPictureParams (strm);
+  if (options->SetFormatPresets (strm)) {
+    g_warning ("Eek! Format presets failed. This is really bad!");
+  }
+  writer = new GstMpeg2EncStreamWriter (srcpad, &parms);
+
+  /* encoding internals */
+  quantizer = new Quantizer (parms);
+  coder = new MPEG2Coder (parms, *writer);
+  bitrate_controller = new OnTheFlyRateCtl (parms);
+
+  /* sequencer */
+  seqencoder = new SeqEncoder (parms, *reader, *quantizer,
+			       *writer, *coder, *bitrate_controller);
+
+  parms.Init (*options);
+  reader->Init ();
+  quantizer->Init ();
+}
+
+/*
+ * One image.
+ */
+
+void
+GstMpeg2Encoder::encodePicture ()
+{
+  /* hm, this is all... eek! */
+  seqencoder->Encode ();
+}
+
+/*
+ * Get current output format.
+ */
+
+GstCaps *
+GstMpeg2Encoder::getFormat ()
+{
+  gdouble fps = Y4M_RATIO_DBL (mpeg_framerate (options.frame_rate));
+
+  return GST_CAPS_NEW ("mpeg2enc_src",
+		       "video/mpeg",
+			 "systemstream", GST_PROPS_BOOLEAN (FALSE),
+			 "mpegversion",  GST_PROPS_INT (options.mpeg),
+			 "width",        GST_PROPS_INT (options.in_img_width),
+			 "height",       GST_PROPS_INT (options.in_img_height),
+			 "framerate",    GST_PROPS_FLOAT (fps));
+}