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/*
* Copyright (c) 2007-2009 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 INTEL 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.
*/
/* Wrap a CI (camera imaging) frame as a VA surface to share captured video between camear
* and VA encode. With frame_id, VA driver need to call CI interfaces to get the information
* of the frame, and to determine if the frame can be wrapped as a VA surface
*
* Application should make sure the frame is idle before the frame is passed into VA stack
* and also a vaSyncSurface should be called before application tries to access the frame
* from CI stack
*/
#include <va/va.h>
#ifdef __cplusplus
extern "C" {
#endif
VAStatus vaCreateSurfaceFromCIFrame (
VADisplay dpy,
unsigned long frame_id,
VASurfaceID *surface /* out */
);
VAStatus vaCreateSurfaceFromV4L2Buf(
VADisplay dpy,
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 vaPutSurfaceBuf (
VADisplay dpy,
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 */
);
/*
* The surfaces could be shared and accessed with extern devices
* which has special requirements, e.g. stride alignment
* This API is used to force libVA video surfaces are allocated
* according to these external requirements
* Special API for V4L2 user pointer support
*/
VAStatus vaCreateSurfacesForUserPtr(
VADisplay dpy,
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
);
/*
* Create surface from the Kernel buffer
*/
VAStatus vaCreateSurfaceFromKBuf(
VADisplay dpy,
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
);
#ifdef __cplusplus
}
#endif
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