mirror of
https://github.com/libretro/RetroArch
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91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
/* Copyright (C) 2010-2020 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (audio_mixer.h).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __LIBRETRO_SDK_AUDIO_MIXER__H
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#define __LIBRETRO_SDK_AUDIO_MIXER__H
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#include <stdint.h>
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#include <stddef.h>
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#include <stdlib.h>
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <boolean.h>
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#include <retro_common_api.h>
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#include <audio/audio_resampler.h>
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RETRO_BEGIN_DECLS
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enum audio_mixer_type
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{
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AUDIO_MIXER_TYPE_NONE = 0,
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AUDIO_MIXER_TYPE_WAV,
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AUDIO_MIXER_TYPE_OGG,
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AUDIO_MIXER_TYPE_MOD,
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AUDIO_MIXER_TYPE_FLAC,
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AUDIO_MIXER_TYPE_MP3
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};
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typedef struct audio_mixer_sound audio_mixer_sound_t;
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typedef struct audio_mixer_voice audio_mixer_voice_t;
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typedef void (*audio_mixer_stop_cb_t)(audio_mixer_sound_t* sound, unsigned reason);
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/* Reasons passed to the stop callback. */
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#define AUDIO_MIXER_SOUND_FINISHED 0
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#define AUDIO_MIXER_SOUND_STOPPED 1
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#define AUDIO_MIXER_SOUND_REPEATED 2
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void audio_mixer_init(unsigned rate);
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void audio_mixer_done(void);
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audio_mixer_sound_t* audio_mixer_load_wav(void *buffer, int32_t size,
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const char *resampler_ident, enum resampler_quality quality);
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audio_mixer_sound_t* audio_mixer_load_ogg(void *buffer, int32_t size);
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audio_mixer_sound_t* audio_mixer_load_mod(void *buffer, int32_t size);
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audio_mixer_sound_t* audio_mixer_load_flac(void *buffer, int32_t size);
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audio_mixer_sound_t* audio_mixer_load_mp3(void *buffer, int32_t size);
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void audio_mixer_destroy(audio_mixer_sound_t* sound);
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audio_mixer_voice_t* audio_mixer_play(audio_mixer_sound_t* sound,
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bool repeat, float volume,
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const char *resampler_ident,
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enum resampler_quality quality,
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audio_mixer_stop_cb_t stop_cb);
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void audio_mixer_stop(audio_mixer_voice_t* voice);
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float audio_mixer_voice_get_volume(audio_mixer_voice_t *voice);
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void audio_mixer_voice_set_volume(audio_mixer_voice_t *voice, float val);
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void audio_mixer_mix(float* buffer, size_t num_frames, float volume_override, bool override);
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RETRO_END_DECLS
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#endif
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