segmentclip: Add audio/video buffer segment clip elements

These elements clip the audio/video buffers to the configured segment
for the case when the upstream elements don't do this correctly.

1 files changed, 66 insertions, 0 deletions

diff --git a/gst/segmentclip/gstsegmentclip.h b/gst/segmentclip/gstsegmentclip.h
new file mode 100644
index 000000000..0a9f077b7
--- /dev/null
+++ b/gst/segmentclip/gstsegmentclip.h
@@ -0,0 +1,66 @@
+/* GStreamer
+ * Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * 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.
+ */
+
+#ifndef __GST_SEGMENT_CLIP_H__
+#define __GST_SEGMENT_CLIP_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_SEGMENT_CLIP \
+  (gst_segment_clip_get_type())
+#define GST_SEGMENT_CLIP(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SEGMENT_CLIP,GstSegmentClip))
+#define GST_SEGMENT_CLIP_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SEGMENT_CLIP,GstSegmentClipClass))
+#define GST_SEGMENT_CLIP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_SEGMENT_CLIP,GstSegmentClipClass))
+#define GST_IS_SEGMENT_CLIP(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SEGMENT_CLIP))
+#define GST_IS_SEGMENT_CLIP_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SEGMENT_CLIP))
+
+typedef struct _GstSegmentClip GstSegmentClip;
+typedef struct _GstSegmentClipClass GstSegmentClipClass;
+
+struct _GstSegmentClip
+{
+  GstElement parent;
+
+  /* < private > */
+  GstPad *sinkpad;
+  GstPad *srcpad;
+
+  GstSegment segment;
+};
+
+struct _GstSegmentClipClass
+{
+  GstElementClass parent_class;
+
+  gboolean      (*set_caps)    (GstSegmentClip *self, GstCaps *caps);
+  GstFlowReturn (*clip_buffer) (GstSegmentClip *self, GstBuffer *buffer, GstBuffer **outbuf);
+  void          (*reset)       (GstSegmentClip *self);
+};
+
+GType gst_segment_clip_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_SEGMENT_CLIP_H__ */