1/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 *     * Redistributions of source code must retain the above copyright
7 *       notice, this list of conditions and the following disclaimer.
8 *     * Redistributions in binary form must reproduce the above
9 *       copyright notice, this list of conditions and the following
10 *       disclaimer in the documentation and/or other materials provided
11 *       with the distribution.
12 *     * Neither the name of The Linux Foundation nor the names of its
13 *       contributors may be used to endorse or promote products derived
14 *       from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#define ATTRIBUTE_VALUE_DELIM ('=')
31#define ATTRIBUTE_STRING_DELIM (";")
32
33#define METADATA_PARSING_ERR (-1)
34#define METADATA_PARSING_CONTINUE (0)
35#define METADATA_PARSING_DONE (1)
36
37#define MIN(x,y) (((x)>(y))?(y):(x))
38
39struct video_encode_metadata_t {
40    int hint_id;
41    int state;
42};
43
44struct video_decode_metadata_t {
45    int hint_id;
46    int state;
47};
48
49struct cam_preview_metadata_t {
50    int hint_id;
51    int state;
52};
53
54int parse_metadata(char *metadata, char **metadata_saveptr,
55    char *attribute, unsigned int attribute_size,
56    char *value, unsigned int value_size);
57int parse_video_encode_metadata(char *metadata,
58    struct video_encode_metadata_t *video_encode_metadata);
59int parse_video_decode_metadata(char *metadata,
60    struct video_decode_metadata_t *video_decode_metadata);
61int parse_cam_preview_metadata(char *metadata,
62    struct cam_preview_metadata_t *video_decode_metadata);
63