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
93
94
95
96
97
98
99
100
101
102
103
|
/**************************************************************************
*
* 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.
*
**************************************************************************/
#ifndef vl_mpeg12_decoder_h
#define vl_mpeg12_decoder_h
#include <pipe/p_video_context.h>
#include "vl_zscan.h"
#include "vl_idct.h"
#include "vl_mc.h"
#include "vl_vertex_buffers.h"
#include "vl_video_buffer.h"
struct pipe_screen;
struct pipe_context;
struct vl_mpeg12_decoder
{
struct pipe_video_decoder base;
struct pipe_context *pipe;
unsigned chroma_width, chroma_height;
unsigned blocks_per_line;
unsigned max_blocks;
const unsigned (*empty_block_mask)[3][2][2];
unsigned nr_of_idct_render_targets;
enum pipe_format zscan_source_format;
enum pipe_format idct_source_format;
enum pipe_format idct_intermediate_format;
enum pipe_format mc_source_format;
struct pipe_vertex_buffer quads;
struct pipe_vertex_buffer pos;
void *ves_ycbcr;
void *ves_mv;
struct vl_zscan zscan_y, zscan_c;
struct vl_idct idct_y, idct_c;
struct vl_mc mc_y, mc_c;
void *dsa;
};
struct vl_mpeg12_buffer
{
struct pipe_video_decode_buffer base;
struct vl_vertex_buffer vertex_stream;
struct pipe_video_buffer *zscan_source;
struct pipe_video_buffer *idct_source;
struct pipe_video_buffer *idct_intermediate;
struct pipe_video_buffer *mc_source;
struct vl_zscan_buffer zscan[VL_MAX_PLANES];
struct vl_idct_buffer idct[VL_MAX_PLANES];
struct vl_mc_buffer mc[VL_MAX_PLANES];
struct pipe_transfer *tex_transfer[VL_MAX_PLANES];
short *texels[VL_MAX_PLANES];
};
/* drivers can call this function in their pipe_video_context constructors and pass it
an accelerated pipe_context along with suitable buffering modes, etc */
struct pipe_video_decoder *
vl_create_mpeg12_decoder(struct pipe_video_context *context,
struct pipe_context *pipe,
enum pipe_video_profile profile,
enum pipe_video_entrypoint entrypoint,
enum pipe_video_chroma_format chroma_format,
unsigned width, unsigned height);
#endif /* vl_mpeg12_decoder_h */
|
