Add libva, a library for video accelerated video processing.

third_party/libva/va/va_backend_tpi.h

+/*
+ * Copyright (c) 2007 Intel Corporation. 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 PRECISION INSIGHT 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.
+ */
+
+/*
+ * Video Decode Acceleration -Backend API
+ */
+
+#ifndef _VA_BACKEND_TPI_H_
+#define _VA_BACKEND_TPI_H_
+
+#include <va/va.h>
+#include <va/va_backend.h>
+
+#include <linux/videodev2.h>
+
+struct VADriverVTableTPI
+{
+        /* device specific */
+        VAStatus (*vaCreateSurfaceFromCIFrame) (
+                VADriverContextP ctx,
+                unsigned long frame_id,
+                VASurfaceID *surface            /* out */
+        );
+    
+        VAStatus (*vaCreateSurfaceFromV4L2Buf) (
+                VADriverContextP ctx,
+                int v4l2_fd,         /* file descriptor of V4L2 device */
+                struct v4l2_format *v4l2_fmt,       /* format of V4L2 */
+                struct v4l2_buffer *v4l2_buf,       /* V4L2 buffer */
+                VASurfaceID *surface               /* out */
+        );
+
+        VAStatus (*vaCreateSurfacesForUserPtr)(
+                VADriverContextP ctx,
+                int width,
+                int height,
+                int format,
+                int num_surfaces,
+                VASurfaceID *surfaces,       /* out */
+                unsigned size, /* total buffer size need to be allocated */
+                unsigned int fourcc, /* expected fourcc */
+                unsigned int luma_stride, /* luma stride, could be width aligned with a special value */
+                unsigned int chroma_u_stride, /* chroma stride */
+                unsigned int chroma_v_stride,
+                unsigned int luma_offset, /* could be 0 */
+                unsigned int chroma_u_offset, /* UV offset from the beginning of the memory */
+                unsigned int chroma_v_offset
+                );
+
+        VAStatus (*vaCreateSurfaceFromKBuf)(
+                VADriverContextP ctx,
+                int width,
+                int height,
+                int format,
+                VASurfaceID *surface,       /* out */
+                unsigned int kbuf_handle, /* kernel buffer handle*/
+                unsigned size, /* kernel buffer size */
+                unsigned int kBuf_fourcc, /* expected fourcc */
+                unsigned int luma_stride, /* luma stride, could be width aligned with a special value */
+                unsigned int chroma_u_stride, /* chroma stride */
+                unsigned int chroma_v_stride,
+                unsigned int luma_offset, /* could be 0 */
+                unsigned int chroma_u_offset, /* UV offset from the beginning of the memory */
+                unsigned int chroma_v_offset
+                );
+
+        VAStatus (*vaPutSurfaceBuf) (
+                VADriverContextP ctx,
+                VASurfaceID surface,
+                unsigned char* data,
+                int* data_len,
+                short srcx,
+                short srcy,
+                unsigned short srcw,
+                unsigned short srch,
+                short destx,
+                short desty,
+                unsigned short destw,
+                unsigned short desth,
+                VARectangle *cliprects, /* client supplied clip list */
+                unsigned int number_cliprects, /* number of clip rects in the clip list */
+                unsigned int flags /* de-interlacing flags */
+                );
+};
+
+
+#endif /* _VA_BACKEND_TPI_H_ */