vl_video_buffer.h revision e027759336bf49e3f568bd73b9e5f26d56ef6f83 
1/**************************************************************************
2 *
3 * Copyright 2011 Christian König.
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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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#ifndef vl_video_buffer_h
29#define vl_video_buffer_h
30
31#include "pipe/p_context.h"
32#include "pipe/p_video_decoder.h"
33
34#include "vl_defines.h"
35
36/**
37 * implementation of a planar ycbcr buffer
38 */
39
40/* planar buffer for vl data upload and manipulation */
41struct vl_video_buffer
42{
43   struct pipe_video_buffer base;
44   unsigned                 num_planes;
45   struct pipe_resource     *resources[VL_MAX_PLANES];
46   struct pipe_sampler_view *sampler_view_planes[VL_MAX_PLANES];
47   struct pipe_sampler_view *sampler_view_components[VL_MAX_PLANES];
48   struct pipe_surface      *surfaces[VL_MAX_PLANES];
49};
50
51/**
52 * get subformats for each plane
53 */
54const enum pipe_format *
55vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format);
56
57/**
58 * get maximum size of video buffers
59 */
60unsigned
61vl_video_buffer_max_size(struct pipe_screen *screen);
62
63/**
64 * check if video buffer format is supported for a codec/profile
65 * can be used as default implementation of screen->is_video_format_supported
66 */
67boolean
68vl_video_buffer_is_format_supported(struct pipe_screen *screen,
69                                    enum pipe_format format,
70                                    enum pipe_video_profile profile);
71
72/*
73 * set the associated data for the given video buffer
74 */
75void
76vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf,
77                                    struct pipe_video_decoder *vdec,
78                                    void *associated_data,
79                                    void (*destroy_associated_data)(void *));
80
81/*
82 * get the associated data for the given video buffer
83 */
84void *
85vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf,
86                                    struct pipe_video_decoder *vdec);
87
88/**
89 * creates a video buffer, can be used as a standard implementation for pipe->create_video_buffer
90 */
91struct pipe_video_buffer *
92vl_video_buffer_create(struct pipe_context *pipe,
93                       const struct pipe_video_buffer *templat);
94
95/**
96 * extended create function, gets depth, usage and formats for each plane seperately
97 */
98struct pipe_video_buffer *
99vl_video_buffer_create_ex(struct pipe_context *pipe,
100                          const struct pipe_video_buffer *templat,
101                          const enum pipe_format resource_formats[VL_MAX_PLANES],
102                          unsigned depth, unsigned usage);
103
104#endif /* vl_video_buffer_h */
105