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Force OpenAL backend on some platforms

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OpenAL audio backend is being forced on HTML5 and OSX
This commit is contained in:
Ray San
2017-12-20 12:34:18 +01:00
parent 1320044e94
commit 61afd07bd7
3 changed files with 53 additions and 22 deletions
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29
src/audio.c
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@ -16,6 +16,9 @@
* Define to use the module as standalone library (independently of raylib).
* Required types and functions are defined in the same module.
*
* #define FORCE_OPENAL_BACKEND
* Force OpenAL Soft audio backend usage
*
* #define SUPPORT_FILEFORMAT_WAV
* #define SUPPORT_FILEFORMAT_OGG
* #define SUPPORT_FILEFORMAT_XM
@ -24,19 +27,24 @@
* Selected desired fileformats to be supported for loading. Some of those formats are
* supported by default, to remove support, just comment unrequired #define in this module
*
* LIMITATIONS:
* LIMITATIONS (only OpenAL Soft):
* Only up to two channels supported: MONO and STEREO (for additional channels, use AL_EXT_MCFORMATS)
* Only the following sample sizes supported: 8bit PCM, 16bit PCM, 32-bit float PCM (using AL_EXT_FLOAT32)
*
* DEPENDENCIES:
* OpenAL Soft - Audio device management (http://kcat.strangesoft.net/openal.html)
* mini_al - Audio device/context management (https://github.com/dr-soft/mini_al)
* stb_vorbis - OGG audio files loading (http://www.nothings.org/stb_vorbis/)
* jar_xm - XM module file loading
* jar_mod - MOD audio file loading
* dr_flac - FLAC audio file loading
*
* *OpenAL Soft - Audio device management, still used on HTML5 and OSX platforms
*
* CONTRIBUTORS:
* Joshua Reisenauer (github: @kd7tck):
* David Reid (github: @mackron) (Nov. 2017):
* - Complete port to mini_al library
*
* Joshua Reisenauer (github: @kd7tck) (2015)
* - XM audio module support (jar_xm)
* - MOD audio module support (jar_mod)
* - Mixing channels support
@ -45,7 +53,7 @@
*
* LICENSE: zlib/libpng
*
* Copyright (c) 2014-2017 Ramon Santamaria (@raysan5)
* Copyright (c) 2014-2018 Ramon Santamaria (@raysan5)
*
* This software is provided "as-is", without any express or implied warranty. In no event
* will the authors be held liable for any damages arising from the use of this software.
@ -72,8 +80,8 @@
#define SUPPORT_FILEFORMAT_MOD
//-------------------------------------------------
#ifndef USE_MINI_AL
#define USE_MINI_AL 1 // Set to 1 to use mini_al; 0 to use OpenAL.
#if !defined(FORCE_OPENAL_BACKEND)
#define USE_MINI_AL 1 // Set to 1 to use mini_al; 0 to use OpenAL.
#endif
#if defined(AUDIO_STANDALONE)
@ -86,7 +94,7 @@
#include "external/mini_al.h" // Implemented in mini_al.c. Cannot implement this here because it conflicts with Win32 APIs such as CloseWindow(), etc.
#if !defined(USE_MINI_AL) || USE_MINI_AL == 0
#if !defined(USE_MINI_AL) || (USE_MINI_AL == 0)
#if defined(__APPLE__)
#include "OpenAL/al.h" // OpenAL basic header
#include "OpenAL/alc.h" // OpenAL context header (like OpenGL, OpenAL requires a context to work)
@ -480,11 +488,8 @@ void InitAudioDevice(void)
alListenerf(AL_GAIN, 1.0f);
if (alIsExtensionPresent("AL_EXT_float32")) {
TraceLog(LOG_INFO, "AL_EXT_float32 supported");
} else {
TraceLog(LOG_INFO, "AL_EXT_float32 not supported");
}
if (alIsExtensionPresent("AL_EXT_float32")) TraceLog(LOG_INFO, "[EXTENSION] AL_EXT_float32 supported");
else TraceLog(LOG_INFO, "[EXTENSION] AL_EXT_float32 not supported");
}
}
#endif