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 (audio_mix.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_AUDIO_MIX_H__ | |
| 24 | #define __LIBRETRO_SDK_AUDIO_MIX_H__ | |
| 25 | ||
| 26 | #include <retro_common_api.h> | |
| 27 | ||
| 28 | #include <stdint.h> | |
| 29 | #include <stddef.h> | |
| 30 | #ifdef _WIN32 | |
| 31 | #include <direct.h> | |
| 32 | #else | |
| 33 | #include <unistd.h> | |
| 34 | #endif | |
| 35 | ||
| 36 | #include <formats/rwav.h> | |
| 37 | #include <audio/audio_resampler.h> | |
| 38 | ||
| 39 | RETRO_BEGIN_DECLS | |
| 40 | ||
| 41 | typedef struct | |
| 42 | { | |
| 43 | double ratio; | |
| 44 | void *buf; | |
| 45 | int16_t *upsample_buf; | |
| 46 | float *float_buf; | |
| 47 | float *float_resample_buf; | |
| 48 | int16_t *resample_buf; | |
| 49 | const retro_resampler_t *resampler; | |
| 50 | void *resampler_data; | |
| 51 | rwav_t *rwav; | |
| 52 | ssize_t len; | |
| 53 | size_t resample_len; | |
| 54 | int sample_rate; | |
| 55 | bool resample; | |
| 56 | } audio_chunk_t; | |
| 57 | ||
| 58 | #if defined(__SSE2__) | |
| 59 | #define audio_mix_volume audio_mix_volume_SSE2 | |
| 60 | ||
| 61 | void audio_mix_volume_SSE2(float *out, | |
| 62 | const float *in, float vol, size_t samples); | |
| 63 | #else | |
| 64 | #define audio_mix_volume audio_mix_volume_C | |
| 65 | #endif | |
| 66 | ||
| 67 | void audio_mix_volume_C(float *dst, const float *src, float vol, size_t samples); | |
| 68 | ||
| 69 | void audio_mix_free_chunk(audio_chunk_t *chunk); | |
| 70 | ||
| 71 | audio_chunk_t* audio_mix_load_wav_file(const char *path, int sample_rate, | |
| 72 | const char *resampler_ident, enum resampler_quality quality); | |
| 73 | ||
| 74 | size_t audio_mix_get_chunk_num_samples(audio_chunk_t *chunk); | |
| 75 | ||
| 76 | /** | |
| 77 | * audio_mix_get_chunk_sample: | |
| 78 | * @chunk : audio chunk instance | |
| 79 | * @channel : channel of the sample (0=left, 1=right) | |
| 80 | * @index : index of the sample | |
| 81 | * | |
| 82 | * Get a sample from an audio chunk. | |
| 83 | * | |
| 84 | * Returns: A signed 16-bit audio sample, (if necessary) resampled into the desired output rate. | |
| 85 | **/ | |
| 86 | int16_t audio_mix_get_chunk_sample(audio_chunk_t *chunk, unsigned channel, size_t sample); | |
| 87 | ||
| 88 | int16_t* audio_mix_get_chunk_samples(audio_chunk_t *chunk); | |
| 89 | ||
| 90 | int audio_mix_get_chunk_num_channels(audio_chunk_t *chunk); | |
| 91 | ||
| 92 | RETRO_END_DECLS | |
| 93 | ||
| 94 | #endif |