1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/**************************************************************************
*
* Copyright 2009 Younes Manton.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "pipe/p_video_codec.h"
#include "util/u_video.h"
#include "vl_decoder.h"
#include "vl_mpeg12_decoder.h"
bool
vl_profile_supported(struct pipe_screen *screen, enum pipe_video_profile profile)
{
assert(screen);
switch (u_reduce_video_profile(profile)) {
case PIPE_VIDEO_FORMAT_MPEG12:
return true;
default:
return false;
}
}
int
vl_level_supported(struct pipe_screen *screen, enum pipe_video_profile profile)
{
assert(screen);
switch (profile) {
case PIPE_VIDEO_PROFILE_MPEG1:
return 0;
case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
return 3;
default:
return 0;
}
}
struct pipe_video_codec *
vl_create_decoder(struct pipe_context *pipe,
const struct pipe_video_codec *templat)
{
unsigned width = templat->width, height = templat->height;
struct pipe_video_codec temp;
bool pot_buffers;
assert(pipe);
assert(width > 0 && height > 0);
pot_buffers = !pipe->screen->get_video_param
(
pipe->screen,
templat->profile,
PIPE_VIDEO_CAP_NPOT_TEXTURES
);
temp = *templat;
temp.width = pot_buffers ? util_next_power_of_two(width) : align(width, VL_MACROBLOCK_WIDTH);
temp.height = pot_buffers ? util_next_power_of_two(height) : align(height, VL_MACROBLOCK_HEIGHT);
switch (u_reduce_video_profile(temp.profile)) {
case PIPE_VIDEO_FORMAT_MPEG12:
return vl_create_mpeg12_decoder(pipe, &temp);
default:
return NULL;
}
return NULL;
}
|
