1 /**************************************************************************
3 * Copyright 2009 Younes Manton.
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 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.
26 **************************************************************************/
28 #include <pipe/p_video_decoder.h>
30 #include <util/u_video.h>
32 #include "vl_decoder.h"
33 #include "vl_mpeg12_decoder.h"
36 vl_profile_supported(struct pipe_screen
*screen
, enum pipe_video_profile profile
)
39 switch (u_reduce_video_profile(profile
)) {
40 case PIPE_VIDEO_CODEC_MPEG12
:
47 struct pipe_video_decoder
*
48 vl_create_decoder(struct pipe_context
*pipe
,
49 enum pipe_video_profile profile
,
50 enum pipe_video_entrypoint entrypoint
,
51 enum pipe_video_chroma_format chroma_format
,
52 unsigned width
, unsigned height
)
54 unsigned buffer_width
, buffer_height
;
58 assert(width
> 0 && height
> 0);
60 pot_buffers
= !pipe
->screen
->get_video_param
64 PIPE_VIDEO_CAP_NPOT_TEXTURES
67 buffer_width
= pot_buffers
? util_next_power_of_two(width
) : align(width
, MACROBLOCK_WIDTH
);
68 buffer_height
= pot_buffers
? util_next_power_of_two(height
) : align(height
, MACROBLOCK_HEIGHT
);
70 switch (u_reduce_video_profile(profile
)) {
71 case PIPE_VIDEO_CODEC_MPEG12
:
72 return vl_create_mpeg12_decoder(pipe
, profile
, entrypoint
, chroma_format
, buffer_width
, buffer_height
);