2 * Copyright (c) 2007 Intel Corporation. All Rights Reserved.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
19 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
20 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include "va_backend.h"
28 #include "va_backend_tpi.h"
39 #define CTX(dpy) (((VADisplayContextP)dpy)->pDriverContext)
40 #define CHECK_DISPLAY(dpy) if( !vaDisplayIsValid(dpy) ) { return VA_STATUS_ERROR_INVALID_DISPLAY; }
42 static int vaDisplayIsValid (VADisplay dpy)
44 VADisplayContextP pDisplayContext = (VADisplayContextP)dpy;
45 return pDisplayContext && (pDisplayContext->vadpy_magic == VA_DISPLAY_MAGIC) && pDisplayContext->vaIsValid(pDisplayContext);
48 /* Wrap a CI (camera imaging) frame as a VA surface to share captured video between camear
49 * and VA encode. With frame_id, VA driver need to call CI interfaces to get the information
50 * of the frame, and to determine if the frame can be wrapped as a VA surface
52 * Application should make sure the frame is idle before the frame is passed into VA stack
53 * and also a vaSyncSurface should be called before application tries to access the frame
56 VAStatus vaCreateSurfaceFromCIFrame (
58 unsigned long frame_id,
59 VASurfaceID *surface /* out */
63 struct VADriverVTableTPI *tpi;
67 tpi = ( struct VADriverVTableTPI *)ctx->vtable_tpi;
68 if (tpi && tpi->vaCreateSurfaceFromCIFrame) {
69 return tpi->vaCreateSurfaceFromCIFrame( ctx, frame_id, surface );
71 return VA_STATUS_ERROR_UNIMPLEMENTED;
75 /* Wrap a V4L2 buffer as a VA surface, so that V4L2 camera, VA encode
76 * can share the data without copy
77 * The VA driver should query the camera device from v4l2_fd to see
78 * if camera device memory/buffer can be wrapped into a VA surface
79 * Buffer information is passed in by v4l2_fmt and v4l2_buf structure,
80 * VA driver also needs do further check if the buffer can meet encode
81 * hardware requirement, such as dimension, fourcc, stride, etc
83 * Application should make sure the buffer is idle before the frame into VA stack
84 * and also a vaSyncSurface should be called before application tries to access the frame
87 VAStatus vaCreateSurfaceFromV4L2Buf(
89 int v4l2_fd, /* file descriptor of V4L2 device */
90 struct v4l2_format *v4l2_fmt, /* format of V4L2 */
91 struct v4l2_buffer *v4l2_buf, /* V4L2 buffer */
92 VASurfaceID *surface /* out */
96 struct VADriverVTableTPI *tpi;
100 tpi = ( struct VADriverVTableTPI *)ctx->vtable_tpi;
101 if (tpi && tpi->vaCreateSurfaceFromV4L2Buf) {
102 return tpi->vaCreateSurfaceFromV4L2Buf( ctx, v4l2_fd, v4l2_fmt, v4l2_buf, surface );
104 return VA_STATUS_ERROR_UNIMPLEMENTED;
107 VAStatus vaPutSurfaceBuf (
118 unsigned short destw,
119 unsigned short desth,
120 VARectangle *cliprects, /* client supplied clip list */
121 unsigned int number_cliprects, /* number of clip rects in the clip list */
122 unsigned int flags /* de-interlacing flags */
125 VADriverContextP ctx;
126 struct VADriverVTableTPI *tpi;
130 tpi = ( struct VADriverVTableTPI *)ctx->vtable_tpi;
131 if (tpi && tpi->vaPutSurfaceBuf) {
132 return tpi->vaPutSurfaceBuf( ctx, surface, data, data_len, srcx, srcy, srcw, srch,
133 destx, desty, destw, desth, cliprects, number_cliprects, flags );
135 return VA_STATUS_ERROR_UNIMPLEMENTED;