Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(391)

Side by Side Diff: third_party/libva/test/decode/tinyjpeg-internal.h

Issue 10375035: Add libva to chromium third_party. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
(Empty)
1 /*
2 * Small jpeg decoder library (Internal header)
3 *
4 * Copyright (c) 2006, Luc Saillard <luc@saillard.org>
5 * Copyright (c) 2012 Intel Corporation.
6 * All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * - Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 *
13 * - Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
16 *
17 * - Neither the name of the author nor the names of its contributors may be
18 * used to endorse or promote products derived from this software without
19 * specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 *
33 */
34
35
36 #ifndef __TINYJPEG_INTERNAL_H_
37 #define __TINYJPEG_INTERNAL_H_
38
39 #include <setjmp.h>
40
41 #define SANITY_CHECK 1
42
43 struct jdec_private;
44
45 #define HUFFMAN_BITS_SIZE 256
46
47 #define HUFFMAN_TABLES 4
48 #define COMPONENTS 4
49 #define JPEG_MAX_WIDTH 2048
50 #define JPEG_MAX_HEIGHT 2048
51
52 enum std_markers {
53 DQT = 0xDB, /* Define Quantization Table */
54 SOF = 0xC0, /* Start of Frame (size information) */
55 DHT = 0xC4, /* Huffman Table */
56 SOI = 0xD8, /* Start of Image */
57 SOS = 0xDA, /* Start of Scan */
58 RST = 0xD0, /* Reset Marker d0 -> .. */
59 RST7 = 0xD7, /* Reset Marker .. -> d7 */
60 EOI = 0xD9, /* End of Image */
61 DRI = 0xDD, /* Define Restart Interval */
62 APP0 = 0xE0,
63 };
64
65
66 struct huffman_table
67 {
68 /*bits and values*/
69 unsigned char bits[16];
70 unsigned char values[256];
71 };
72
73 struct component
74 {
75 unsigned int Hfactor;
76 unsigned int Vfactor;
77 unsigned char quant_table_index;
78 unsigned int cid;
79 };
80
81
82 typedef void (*decode_MCU_fct) (struct jdec_private *priv);
83 typedef void (*convert_colorspace_fct) (struct jdec_private *priv);
84
85 struct jpeg_sos
86 {
87 unsigned int nr_components;
88 struct {
89 unsigned int component_id;
90 unsigned int dc_selector;
91 unsigned int ac_selector;
92 }components[4];
93 };
94
95 struct jdec_private
96 {
97 /* Public variables */
98 unsigned int width, height; /* Size of the image */
99
100 /* Private variables */
101 const unsigned char *stream_begin, *stream_end;
102 unsigned int stream_length;
103
104 const unsigned char *stream; /* Pointer to the current stream */
105
106 struct component component_infos[COMPONENTS];
107 unsigned int nf_components;
108 unsigned char Q_tables[COMPONENTS][64]; /* quantization tables, zigzag*/
109 struct huffman_table HTDC[HUFFMAN_TABLES]; /* DC huffman tables */
110 struct huffman_table HTAC[HUFFMAN_TABLES]; /* AC huffman tables */
111 struct jpeg_sos cur_sos; /* current sos values*/
112 int default_huffman_table_initialized;
113 int restart_interval;
114 };
115
116 #endif
117
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698