Add Interplay MVE format demuxer/decoder and muxer/encoder. Demuxer doesn't support seeking yet, but seems to work fi...

Original commit message from CVS:
Patch by: Jens Granseuer  <jensgr at gmx net>
* configure.ac:
* gst/mve/Makefile.am:
* gst/mve/TODO:
* gst/mve/gstmve.c:
* gst/mve/gstmvedemux.c:
* gst/mve/gstmvedemux.h:
* gst/mve/gstmvemux.c:
* gst/mve/gstmvemux.h:
* gst/mve/mve.h:
* gst/mve/mveaudiodec.c:
* gst/mve/mveaudioenc.c:
* gst/mve/mvevideodec16.c:
* gst/mve/mvevideodec8.c:
* gst/mve/mvevideoenc16.c:
* gst/mve/mvevideoenc8.c:
Add Interplay MVE format demuxer/decoder and muxer/encoder. Demuxer
doesn't support seeking yet, but seems to work fine otherwise.
Closes #348973.

1 files changed, 104 insertions, 0 deletions

diff --git a/gst/mve/gstmvedemux.h b/gst/mve/gstmvedemux.h
new file mode 100644
index 00000000..533d0230
--- /dev/null
+++ b/gst/mve/gstmvedemux.h
@@ -0,0 +1,104 @@
+/*
+ * GStreamer demultiplexer plugin for Interplay MVE movie files
+ *
+ * Copyright (C) 2006 Jens Granseuer <jensgr@gmx.net>
+ * 
+ * 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_MVE_DEMUX_H__
+#define __GST_MVE_DEMUX_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstadapter.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_MVE_DEMUX \
+  (gst_mve_demux_get_type())
+#define GST_MVE_DEMUX(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MVE_DEMUX,GstMveDemux))
+#define GST_MVE_DEMUX_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MVE_DEMUX,GstMveDemuxClass))
+#define GST_IS_MVE_DEMUX(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MVE_DEMUX))
+#define GST_IS_MVE_DEMUX_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MVE_DEMUX))
+
+typedef struct _GstMveDemux       GstMveDemux;
+typedef struct _GstMveDemuxClass  GstMveDemuxClass;
+typedef struct _GstMveDemuxStream GstMveDemuxStream;
+
+struct _GstMveDemux
+{
+  GstElement element;
+
+  GstPad *sinkpad;
+
+  GstMveDemuxStream *video_stream;
+  GstMveDemuxStream *audio_stream;
+
+  gint state;
+
+  /* time per frame (1/framerate) */
+  GstClockTime frame_duration;
+
+  /* push based variables */
+  guint16 needed_bytes;
+  GstAdapter *adapter;
+  
+  /* size of current chunk */
+  guint32 chunk_size;
+  /* offset in current chunk */
+  guint32 chunk_offset;
+};
+
+struct _GstMveDemuxClass 
+{
+  GstElementClass parent_class;
+};
+
+struct _GstMveDemuxStream {
+  /* shared properties */
+  GstCaps *caps;
+  GstPad *pad;
+  GstClockTime last_ts;
+  gint64 offset;
+
+  /* video properties */
+  guint16 width;
+  guint16 height;
+  guint8 bpp;   /* bytes per pixel */
+  guint8 *code_map;
+  gboolean code_map_avail;
+  guint8 *back_buf1;
+  guint8 *back_buf2;
+  guint32 max_block_offset;
+  GstBuffer *palette;
+  GstBuffer *buffer;
+
+  /* audio properties */
+  guint16 sample_rate;
+  guint16 n_channels;
+  guint16 sample_size;
+  gboolean compression;
+};
+
+GType gst_mve_demux_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_MVE_DEMUX_H__ */