radeon_video.h revision af69d88d 
1/**************************************************************************
2 *
3 * Copyright 2013 Advanced Micro Devices, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28/*
29 * Authors:
30 *      Christian König <christian.koenig@amd.com>
31 *
32 */
33
34#ifndef RADEON_VIDEO_H
35#define RADEON_VIDEO_H
36
37#include "../../winsys/radeon/drm/radeon_winsys.h"
38#include "vl/vl_video_buffer.h"
39
40#define RVID_ERR(fmt, args...) \
41	fprintf(stderr, "EE %s:%d %s UVD - "fmt, __FILE__, __LINE__, __func__, ##args)
42
43/* video buffer representation */
44struct rvid_buffer
45{
46	enum radeon_bo_domain		domain;
47	enum radeon_bo_flag		flags;
48	struct pb_buffer*		buf;
49	struct radeon_winsys_cs_handle*	cs_handle;
50};
51
52/* generate an stream handle */
53unsigned rvid_alloc_stream_handle(void);
54
55/* create a buffer in the winsys */
56bool rvid_create_buffer(struct radeon_winsys *ws, struct rvid_buffer *buffer,
57			unsigned size, enum radeon_bo_domain domain,
58			enum radeon_bo_flag flags);
59
60/* destroy a buffer */
61void rvid_destroy_buffer(struct rvid_buffer *buffer);
62
63/* reallocate a buffer, preserving its content */
64bool rvid_resize_buffer(struct radeon_winsys *ws, struct radeon_winsys_cs *cs,
65			struct rvid_buffer *new_buf, unsigned new_size);
66
67/* clear the buffer with zeros */
68void rvid_clear_buffer(struct radeon_winsys *ws, struct radeon_winsys_cs *cs, struct rvid_buffer* buffer);
69
70/* join surfaces into the same buffer with identical tiling params
71   sumup their sizes and replace the backend buffers with a single bo */
72void rvid_join_surfaces(struct radeon_winsys* ws, unsigned bind,
73                        struct pb_buffer** buffers[VL_NUM_COMPONENTS],
74                        struct radeon_surface *surfaces[VL_NUM_COMPONENTS]);
75
76/* returns supported codecs and other parameters */
77int rvid_get_video_param(struct pipe_screen *screen,
78                         enum pipe_video_profile profile,
79                         enum pipe_video_entrypoint entrypoint,
80                         enum pipe_video_cap param);
81
82/* the hardware only supports NV12 */
83boolean rvid_is_format_supported(struct pipe_screen *screen,
84                                 enum pipe_format format,
85                                 enum pipe_video_profile profile,
86                                 enum pipe_video_entrypoint entrypoint);
87
88#endif // RADEON_VIDEO_H
89