1 files changed, 149 insertions, 0 deletions
diff --git a/ext/schroedinger/gstschroutils.c b/ext/schroedinger/gstschroutils.c
new file mode 100644
index 00000000..9f6a5793
--- /dev/null
+++ b/ext/schroedinger/gstschroutils.c
@@ -0,0 +1,149 @@
+/* Schrodinger
+ * Copyright (C) 2008 David Schleef <ds@schleef.org>
+ *
+ * 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
+
+//#define SCHRO_ENABLE_UNSTABLE_API
+
+#include <gst/gst.h>
+#include <gst/video/video.h>
+#include <schroedinger/schro.h>
+#include <schroedinger/schrobitstream.h>
+#include <schroedinger/schrovirtframe.h>
+#include <math.h>
+#include <string.h>
+
+GST_DEBUG_CATEGORY_EXTERN (schro_debug);
+#define GST_CAT_DEFAULT schro_debug
+
+
+
+
+static void
+gst_schro_frame_free (SchroFrame * frame, void *priv)
+{
+  gst_buffer_unref (GST_BUFFER (priv));
+}
+
+SchroFrame *
+gst_schro_buffer_wrap (GstBuffer * buf, GstVideoFormat format, int width,
+    int height)
+{
+  SchroFrame *frame;
+
+  switch (format) {
+    case GST_VIDEO_FORMAT_I420:
+      frame =
+          schro_frame_new_from_data_I420 (GST_BUFFER_DATA (buf), width, height);
+      break;
+    case GST_VIDEO_FORMAT_YV12:
+      frame =
+          schro_frame_new_from_data_YV12 (GST_BUFFER_DATA (buf), width, height);
+      break;
+    case GST_VIDEO_FORMAT_YUY2:
+      frame =
+          schro_frame_new_from_data_YUY2 (GST_BUFFER_DATA (buf), width, height);
+      break;
+    case GST_VIDEO_FORMAT_UYVY:
+      frame =
+          schro_frame_new_from_data_UYVY (GST_BUFFER_DATA (buf), width, height);
+      break;
+    case GST_VIDEO_FORMAT_AYUV:
+      frame =
+          schro_frame_new_from_data_AYUV (GST_BUFFER_DATA (buf), width, height);
+      break;
+#if 0
+    case GST_VIDEO_FORMAT_ARGB:
+    {
+      SchroFrame *rgbframe =
+          schro_frame_new_from_data_AYUV (GST_BUFFER_DATA (buf), width, height);
+      SchroFrame *vframe1;
+      SchroFrame *vframe2;
+      SchroFrame *vframe3;
+
+      vframe1 = schro_virt_frame_new_unpack (rgbframe);
+      vframe2 = schro_virt_frame_new_color_matrix (vframe1);
+      vframe3 =
+          schro_virt_frame_new_subsample (vframe2, SCHRO_FRAME_FORMAT_U8_420);
+
+      frame = schro_frame_new_and_alloc (NULL, SCHRO_FRAME_FORMAT_U8_420,
+          width, height);
+      schro_virt_frame_render (vframe3, frame);
+      schro_frame_unref (vframe3);
+    }
+      break;
+#endif
+    default:
+      g_assert_not_reached ();
+  }
+  schro_frame_set_free_callback (frame, gst_schro_frame_free, buf);
+
+  return frame;
+}
+
+#ifdef GST_BUFFER_FREE_FUNC
+static void
+schro_buf_free_func (gpointer priv)
+{
+  SchroBuffer *buffer = (SchroBuffer *) priv;
+
+  schro_buffer_unref (buffer);
+}
+#endif
+
+/* takes the reference */
+GstBuffer *
+gst_schro_wrap_schro_buffer (SchroBuffer * buffer)
+{
+  GstBuffer *gstbuf;
+
+#ifdef GST_BUFFER_FREE_FUNC
+  gstbuf = gst_buffer_new ();
+  GST_BUFFER_DATA (gstbuf) = buffer->data;
+  GST_BUFFER_SIZE (gstbuf) = buffer->length;
+  GST_BUFFER_MALLOCDATA (gstbuf) = (void *) buffer;
+  GST_BUFFER_FREE_FUNC (gstbuf) = schro_buf_free_func;
+#else
+  gstbuf = gst_buffer_new_and_alloc (buffer->length);
+  memcpy (GST_BUFFER_DATA (gstbuf), buffer->data, buffer->length);
+#endif
+
+  return gstbuf;
+}
+
+static void
+gst_schro_buffer_free (SchroBuffer * buffer, void *priv)
+{
+  gst_buffer_unref (GST_BUFFER (priv));
+}
+
+SchroBuffer *
+gst_schro_wrap_gst_buffer (GstBuffer * buffer)
+{
+  SchroBuffer *schrobuf;
+
+  schrobuf = schro_buffer_new_with_data (GST_BUFFER_DATA (buffer),
+      GST_BUFFER_SIZE (buffer));
+  schrobuf->free = gst_schro_buffer_free;
+  schrobuf->priv = buffer;
+
+  return schrobuf;
+}