1 /* 2 * Copyright (c) 2007-2009 Intel Corporation. All Rights Reserved. 3 * 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: 11 * 12 * The above copyright notice and this permission notice (including the 13 * next paragraph) shall be included in all copies or substantial portions 14 * of the Software. 15 * 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 INTEL 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. 23 */ 24 25 /* Wrap a CI (camera imaging) frame as a VA surface to share captured video between camear 26 * and VA encode. With frame_id, VA driver need to call CI interfaces to get the information 27 * of the frame, and to determine if the frame can be wrapped as a VA surface 28 * 29 * Application should make sure the frame is idle before the frame is passed into VA stack 30 * and also a vaSyncSurface should be called before application tries to access the frame 31 * from CI stack 32 */ 33 #include <va/va.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 VAStatus vaCreateSurfaceFromCIFrame ( 40 VADisplay dpy, 41 unsigned long frame_id, 42 VASurfaceID *surface /* out */ 43 ); 44 45 VAStatus vaCreateSurfaceFromV4L2Buf( 46 VADisplay dpy, 47 int v4l2_fd, /* file descriptor of V4L2 device */ 48 struct v4l2_format *v4l2_fmt, /* format of V4L2 */ 49 struct v4l2_buffer *v4l2_buf, /* V4L2 buffer */ 50 VASurfaceID *surface /* out */ 51 ); 52 53 VAStatus vaPutSurfaceBuf ( 54 VADisplay dpy, 55 VASurfaceID surface, 56 unsigned char* data, 57 int* data_len, 58 short srcx, 59 short srcy, 60 unsigned short srcw, 61 unsigned short srch, 62 short destx, 63 short desty, 64 unsigned short destw, 65 unsigned short desth, 66 VARectangle *cliprects, /* client supplied clip list */ 67 unsigned int number_cliprects, /* number of clip rects in the clip list */ 68 unsigned int flags /* de-interlacing flags */ 69 ); 70 71 72 /* 73 * The surfaces could be shared and accessed with extern devices 74 * which has special requirements, e.g. stride alignment 75 * This API is used to force libVA video surfaces are allocated 76 * according to these external requirements 77 * Special API for V4L2 user pointer support 78 */ 79 VAStatus vaCreateSurfacesForUserPtr( 80 VADisplay dpy, 81 int width, 82 int height, 83 int format, 84 int num_surfaces, 85 VASurfaceID *surfaces, /* out */ 86 unsigned size, /* total buffer size need to be allocated */ 87 unsigned int fourcc, /* expected fourcc */ 88 unsigned int luma_stride, /* luma stride, could be width aligned with a special value */ 89 unsigned int chroma_u_stride, /* chroma stride */ 90 unsigned int chroma_v_stride, 91 unsigned int luma_offset, /* could be 0 */ 92 unsigned int chroma_u_offset, /* UV offset from the beginning of the memory */ 93 unsigned int chroma_v_offset 94 ); 95 96 /* 97 * Create surface from the Kernel buffer 98 */ 99 VAStatus vaCreateSurfaceFromKBuf( 100 VADisplay dpy, 101 int width, 102 int height, 103 int format, 104 VASurfaceID *surface, /* out */ 105 unsigned int kbuf_handle, /* kernel buffer handle*/ 106 unsigned size, /* kernel buffer size */ 107 unsigned int kBuf_fourcc, /* expected fourcc */ 108 unsigned int luma_stride, /* luma stride, could be width aligned with a special value */ 109 unsigned int chroma_u_stride, /* chroma stride */ 110 unsigned int chroma_v_stride, 111 unsigned int luma_offset, /* could be 0 */ 112 unsigned int chroma_u_offset, /* UV offset from the beginning of the memory */ 113 unsigned int chroma_v_offset 114 ); 115 116 117 #ifdef __cplusplus 118 } 119 #endif 120
