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 39 struct video_encode_metadata_t { 40 int hint_id; 41 int state; 42 }; 43 44 struct video_decode_metadata_t { 45 int hint_id; 46 int state; 47 }; 48 49 struct cam_preview_metadata_t { 50 int hint_id; 51 int state; 52 }; 53 54 int parse_metadata(char *metadata, char **metadata_saveptr, 55 char *attribute, unsigned int attribute_size, 56 char *value, unsigned int value_size); 57 int parse_video_encode_metadata(char *metadata, 58 struct video_encode_metadata_t *video_encode_metadata); 59 int parse_video_decode_metadata(char *metadata, 60 struct video_decode_metadata_t *video_decode_metadata); 61 int parse_cam_preview_metadata(char *metadata, 62 struct cam_preview_metadata_t *video_decode_metadata); 63