[g3dvl] Implement MPEG2 VLD

Based uppon xine's slice_xvmc.c.
This gets VDPAU up and running.

1 files changed, 59 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/vl/vl_mpeg12_bitstream.h b/src/gallium/auxiliary/vl/vl_mpeg12_bitstream.h
new file mode 100644
index 0000000..4e48a9f
--- /dev/null
+++ b/src/gallium/auxiliary/vl/vl_mpeg12_bitstream.h
@@ -0,0 +1,59 @@
+/**************************************************************************
+ *
+ * Copyright 2011 Christian König.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef vl_mpeg12_bitstream_h
+#define vl_mpeg12_bitstream_h
+
+#include "vl_defines.h"
+#include "vl_vlc.h"
+
+struct vl_mpg12_bs
+{
+   unsigned width, height;
+
+   struct vl_vlc vlc;
+
+   unsigned *num_ycbcr_blocks;
+
+   struct pipe_ycbcr_block *ycbcr_stream[VL_MAX_PLANES];
+   short *ycbcr_buffer[VL_MAX_PLANES];
+
+   struct pipe_motionvector *mv_stream[VL_MAX_REF_FRAMES];
+};
+
+void
+vl_mpg12_bs_init(struct vl_mpg12_bs *bs, unsigned width, unsigned height);
+
+void
+vl_mpg12_bs_set_buffers(struct vl_mpg12_bs *bs, struct pipe_ycbcr_block *ycbcr_stream[VL_MAX_PLANES],
+                        short *ycbcr_buffer[VL_MAX_PLANES], struct pipe_motionvector *mv_stream[VL_MAX_REF_FRAMES]);
+
+void
+vl_mpg12_bs_decode(struct vl_mpg12_bs *bs, unsigned num_bytes, const void *buffer,
+                   struct pipe_mpeg12_picture_desc *picture, unsigned num_ycbcr_blocks[3]);
+
+#endif /* vl_mpeg12_bitstream_h */