notaz.gp2x.de / pcsx_rearmed.git / blame
| Commit | Line | Data |
|---|---|---|
| 3719602c PC |
1 | /* Copyright (C) 2010-2020 The RetroArch team |
| 2 | * | |
| 3 | * --------------------------------------------------------------------------------------- | |
| 4 | * The following license statement only applies to this file (rwav.h). | |
| 5 | * --------------------------------------------------------------------------------------- | |
| 6 | * | |
| 7 | * Permission is hereby granted, free of charge, | |
| 8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), | |
| 9 | * to deal in the Software without restriction, including without limitation the rights to | |
| 10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, | |
| 11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: | |
| 12 | * | |
| 13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. | |
| 14 | * | |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, | |
| 16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
| 19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| 21 | */ | |
| 22 | ||
| 23 | #ifndef __LIBRETRO_SDK_FORMAT_RWAV_H__ | |
| 24 | #define __LIBRETRO_SDK_FORMAT_RWAV_H__ | |
| 25 | ||
| 26 | #include <retro_common_api.h> | |
| 27 | #include <stdint.h> | |
| 28 | ||
| 29 | RETRO_BEGIN_DECLS | |
| 30 | ||
| 31 | typedef struct | |
| 32 | { | |
| 33 | /* bits per sample */ | |
| 34 | unsigned int bitspersample; | |
| 35 | ||
| 36 | /* number of channels */ | |
| 37 | unsigned int numchannels; | |
| 38 | ||
| 39 | /* sample rate */ | |
| 40 | unsigned int samplerate; | |
| 41 | ||
| 42 | /* number of *samples* */ | |
| 43 | size_t numsamples; | |
| 44 | ||
| 45 | /* number of *bytes* in the pointer below, i.e. numsamples * numchannels * bitspersample/8 */ | |
| 46 | size_t subchunk2size; | |
| 47 | ||
| 48 | /* PCM data */ | |
| 49 | const void* samples; | |
| 50 | } rwav_t; | |
| 51 | ||
| 52 | enum rwav_state | |
| 53 | { | |
| 54 | RWAV_ITERATE_ERROR = -1, | |
| 55 | RWAV_ITERATE_MORE = 0, | |
| 56 | RWAV_ITERATE_DONE = 1, | |
| 57 | RWAV_ITERATE_BUF_SIZE = 4096 | |
| 58 | }; | |
| 59 | ||
| 60 | typedef struct rwav_iterator rwav_iterator_t; | |
| 61 | ||
| 62 | /** | |
| 63 | * Initializes the iterator to fill the out structure with data parsed from buf. | |
| 64 | */ | |
| 65 | void rwav_init(rwav_iterator_t* iter, rwav_t* out, const void* buf, size_t size); | |
| 66 | ||
| 67 | /** | |
| 68 | * Parses a piece of the data. Continue calling as long as it returns RWAV_ITERATE_MORE. | |
| 69 | * Stop calling otherwise, and check for errors. If RWAV_ITERATE_DONE is returned, | |
| 70 | * the rwav_t structure passed to rwav_init is ready to be used. The iterator does not | |
| 71 | * have to be freed. | |
| 72 | */ | |
| 73 | enum rwav_state rwav_iterate(rwav_iterator_t *iter); | |
| 74 | ||
| 75 | /** | |
| 76 | * Loads the entire data in one go. | |
| 77 | */ | |
| 78 | enum rwav_state rwav_load(rwav_t* out, const void* buf, size_t size); | |
| 79 | ||
| 80 | /** | |
| 81 | * Frees parsed wave data. | |
| 82 | */ | |
| 83 | void rwav_free(rwav_t *rwav); | |
| 84 | ||
| 85 | RETRO_END_DECLS | |
| 86 | ||
| 87 | #endif |