src/platform/sdl/sdl-audio.h (view raw)
1/* Copyright (c) 2013-2014 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#ifndef SDL_AUDIO_H
7#define SDL_AUDIO_H
8
9#include "util/common.h"
10
11#include <SDL.h>
12
13#include "gba/audio.h"
14
15struct GBASDLAudio {
16 // Input
17 size_t samples;
18 unsigned sampleRate;
19
20 // State
21 SDL_AudioSpec desiredSpec;
22 SDL_AudioSpec obtainedSpec;
23#if RESAMPLE_LIBRARY != RESAMPLE_BLIP_BUF
24 float ratio;
25#endif
26#if RESAMPLE_LIBRARY == RESAMPLE_NN
27 float drift;
28#endif
29#if SDL_VERSION_ATLEAST(2, 0, 0)
30 SDL_AudioDeviceID deviceId;
31#endif
32
33 struct GBAThread* thread;
34 struct GBA* gba;
35};
36
37bool GBASDLInitAudio(struct GBASDLAudio* context, struct GBAThread* threadContext);
38void GBASDLDeinitAudio(struct GBASDLAudio* context);
39void GBASDLPauseAudio(struct GBASDLAudio* context);
40void GBASDLResumeAudio(struct GBASDLAudio* context);
41
42#endif