| 1 | /* |
| 2 | Copyright (c) 2012, Broadcom Europe Ltd |
| 3 | All rights reserved. |
| 4 | |
| 5 | Redistribution and use in source and binary forms, with or without |
| 6 | modification, are permitted provided that the following conditions are met: |
| 7 | * Redistributions of source code must retain the above copyright |
| 8 | notice, this list of conditions and the following disclaimer. |
| 9 | * Redistributions in binary form must reproduce the above copyright |
| 10 | notice, this list of conditions and the following disclaimer in the |
| 11 | documentation and/or other materials provided with the distribution. |
| 12 | * Neither the name of the copyright holder nor the |
| 13 | names of its contributors may be used to endorse or promote products |
| 14 | derived from this software without specific prior written permission. |
| 15 | |
| 16 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 17 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 18 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 19 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY |
| 20 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 21 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 22 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 23 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | /** \file |
| 29 | * Support for setting/getting parameters as string values. |
| 30 | */ |
| 31 | |
| 32 | #ifndef MMAL_PARAM_CONVERT_H |
| 33 | #define MMAL_PARAM_CONVERT_H |
| 34 | |
| 35 | #include "interface/mmal/mmal.h" |
| 36 | |
| 37 | #ifdef __cplusplus |
| 38 | extern "C" { |
| 39 | #endif |
| 40 | |
| 41 | /** Parse a video size. e.g. "1080p" gives 1920x1080. |
| 42 | * |
| 43 | * @param w width result |
| 44 | * @param h height result |
| 45 | * @param str string to convert |
| 46 | * @return MMAL_SUCCESS or error code |
| 47 | */ |
| 48 | MMAL_STATUS_T mmal_parse_video_size(uint32_t *w, uint32_t *h, const char *str); |
| 49 | |
| 50 | /** Parse a rational number. e.g. "30000/1001", "30", etc. |
| 51 | * @param dest filled in with result |
| 52 | * @param str string to convert |
| 53 | * @return MMAL_SUCCESS or error code |
| 54 | */ |
| 55 | MMAL_STATUS_T mmal_parse_rational(MMAL_RATIONAL_T *dest, const char *str); |
| 56 | |
| 57 | /** Parse an integer, e.g. -10, 0x1A, etc. |
| 58 | * @param dest filled in with result |
| 59 | * @param str string to convert |
| 60 | * @return MMAL_SUCCESS or error code |
| 61 | */ |
| 62 | MMAL_STATUS_T mmal_parse_int(int *dest, const char *str); |
| 63 | |
| 64 | /** Parse an unsigned integer, e.g. 10, 0x1A, etc. |
| 65 | * @param dest filled in with result |
| 66 | * @param str string to convert |
| 67 | * @return MMAL_SUCCESS or error code |
| 68 | */ |
| 69 | MMAL_STATUS_T mmal_parse_uint(unsigned int *dest, const char *str); |
| 70 | |
| 71 | /** Parse a geometry for a rectangle |
| 72 | * |
| 73 | * e.g. 100*100+50+75 |
| 74 | * or 200*150 |
| 75 | * @param dest filled in with result |
| 76 | * @param str string to convert |
| 77 | * @return MMAL_SUCCESS or error code |
| 78 | */ |
| 79 | MMAL_STATUS_T mmal_parse_geometry(MMAL_RECT_T *dest, const char *str); |
| 80 | |
| 81 | /** Parse a video codec name (something that can be encoded/decoded) |
| 82 | * @param str string to convert |
| 83 | * @param dest filled in with result |
| 84 | * @return MMAL_SUCCESS or error code |
| 85 | */ |
| 86 | MMAL_STATUS_T mmal_parse_video_codec(uint32_t *dest, const char *str); |
| 87 | |
| 88 | #ifdef __cplusplus |
| 89 | } |
| 90 | #endif |
| 91 | |
| 92 | #endif |
| 93 | |