1 /**************************************************************************
3 * Copyright 2011 Christian König.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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 VMWARE 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.
26 **************************************************************************/
28 #ifndef vl_video_buffer_h
29 #define vl_video_buffer_h
31 #include "pipe/p_context.h"
32 #include "pipe/p_video_codec.h"
34 #include "vl_defines.h"
37 * implementation of a planar ycbcr buffer
40 /* planar buffer for vl data upload and manipulation */
41 struct vl_video_buffer
43 struct pipe_video_buffer base
;
45 struct pipe_resource
*resources
[VL_NUM_COMPONENTS
];
46 struct pipe_sampler_view
*sampler_view_planes
[VL_NUM_COMPONENTS
];
47 struct pipe_sampler_view
*sampler_view_components
[VL_NUM_COMPONENTS
];
48 struct pipe_surface
*surfaces
[VL_MAX_SURFACES
];
52 vl_video_buffer_adjust_size(unsigned *width
, unsigned *height
, unsigned plane
,
53 enum pipe_video_chroma_format chroma_format
,
60 if (chroma_format
== PIPE_VIDEO_CHROMA_FORMAT_420
) {
63 } else if (chroma_format
== PIPE_VIDEO_CHROMA_FORMAT_422
) {
70 * get subformats for each plane
72 const enum pipe_format
*
73 vl_video_buffer_formats(struct pipe_screen
*screen
, enum pipe_format format
);
79 vl_video_buffer_plane_order(enum pipe_format format
);
82 * get maximum size of video buffers
85 vl_video_buffer_max_size(struct pipe_screen
*screen
);
88 * check if video buffer format is supported for a codec/profile
89 * can be used as default implementation of screen->is_video_format_supported
92 vl_video_buffer_is_format_supported(struct pipe_screen
*screen
,
93 enum pipe_format format
,
94 enum pipe_video_profile profile
,
95 enum pipe_video_entrypoint entrypoint
);
98 * set the associated data for the given video buffer
101 vl_video_buffer_set_associated_data(struct pipe_video_buffer
*vbuf
,
102 struct pipe_video_codec
*vcodec
,
103 void *associated_data
,
104 void (*destroy_associated_data
)(void *));
107 * get the associated data for the given video buffer
110 vl_video_buffer_get_associated_data(struct pipe_video_buffer
*vbuf
,
111 struct pipe_video_codec
*vcodec
);
114 * fill a resource template for the given plane
117 vl_video_buffer_template(struct pipe_resource
*templ
,
118 const struct pipe_video_buffer
*templat
,
119 enum pipe_format resource_format
,
120 unsigned depth
, unsigned array_size
,
121 unsigned usage
, unsigned plane
);
124 * creates a video buffer, can be used as a standard implementation for pipe->create_video_buffer
126 struct pipe_video_buffer
*
127 vl_video_buffer_create(struct pipe_context
*pipe
,
128 const struct pipe_video_buffer
*templat
);
131 * extended create function, gets depth, array_size, usage and formats for each plane seperately
133 struct pipe_video_buffer
*
134 vl_video_buffer_create_ex(struct pipe_context
*pipe
,
135 const struct pipe_video_buffer
*templat
,
136 const enum pipe_format resource_formats
[VL_NUM_COMPONENTS
],
137 unsigned depth
, unsigned array_size
, unsigned usage
);
140 * even more extended create function, provide the pipe_resource for each plane
142 struct pipe_video_buffer
*
143 vl_video_buffer_create_ex2(struct pipe_context
*pipe
,
144 const struct pipe_video_buffer
*templat
,
145 struct pipe_resource
*resources
[VL_NUM_COMPONENTS
]);
147 #endif /* vl_video_buffer_h */