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authorSven Gothel <[email protected]>2019-04-07 23:39:04 +0200
committerSven Gothel <[email protected]>2019-04-07 23:39:04 +0200
commit73233ce69919fc19c53ce8663c5b8cc05227f07e (patch)
treef2b6ccc1a14d7c387f33398a44ea4511d7ecb212 /examples/common
parent8efa4c7ba5ee8eb399d31a9884e45f743d4625ad (diff)
parent99a55c445211fea77af6ab61cbc6a6ec4fbdc9b9 (diff)
Merge branch 'v1.19' of git://repo.or.cz/openal-soft into v1.19v1.19
Diffstat (limited to 'examples/common')
-rw-r--r--examples/common/alhelpers.c273
-rw-r--r--examples/common/alhelpers.h36
-rw-r--r--examples/common/sdl_sound.c164
-rw-r--r--examples/common/sdl_sound.h43
4 files changed, 36 insertions, 480 deletions
diff --git a/examples/common/alhelpers.c b/examples/common/alhelpers.c
index 4582321c..fab039e9 100644
--- a/examples/common/alhelpers.c
+++ b/examples/common/alhelpers.c
@@ -29,6 +29,7 @@
* channel configs and sample types. */
#include <stdio.h>
+#include <string.h>
#include "AL/al.h"
#include "AL/alc.h"
@@ -37,15 +38,26 @@
#include "alhelpers.h"
-/* InitAL opens the default device and sets up a context using default
- * attributes, making the program ready to call OpenAL functions. */
-int InitAL(void)
+/* InitAL opens a device and sets up a context using default attributes, making
+ * the program ready to call OpenAL functions. */
+int InitAL(char ***argv, int *argc)
{
+ const ALCchar *name;
ALCdevice *device;
ALCcontext *ctx;
- /* Open and initialize a device with default settings */
- device = alcOpenDevice(NULL);
+ /* Open and initialize a device */
+ device = NULL;
+ if(argc && argv && *argc > 1 && strcmp((*argv)[0], "-device") == 0)
+ {
+ device = alcOpenDevice((*argv)[1]);
+ if(!device)
+ fprintf(stderr, "Failed to open \"%s\", trying default\n", (*argv)[1]);
+ (*argv) += 2;
+ (*argc) -= 2;
+ }
+ if(!device)
+ device = alcOpenDevice(NULL);
if(!device)
{
fprintf(stderr, "Could not open a device!\n");
@@ -62,7 +74,13 @@ int InitAL(void)
return 1;
}
- printf("Opened \"%s\"\n", alcGetString(device, ALC_DEVICE_SPECIFIER));
+ name = NULL;
+ if(alcIsExtensionPresent(device, "ALC_ENUMERATE_ALL_EXT"))
+ name = alcGetString(device, ALC_ALL_DEVICES_SPECIFIER);
+ if(!name || alcGetError(device) != AL_NO_ERROR)
+ name = alcGetString(device, ALC_DEVICE_SPECIFIER);
+ printf("Opened \"%s\"\n", name);
+
return 0;
}
@@ -85,243 +103,14 @@ void CloseAL(void)
}
-/* GetFormat retrieves a compatible buffer format given the channel config and
- * sample type. If an alIsBufferFormatSupportedSOFT-compatible function is
- * provided, it will be called to find the closest-matching format from
- * AL_SOFT_buffer_samples. Returns AL_NONE (0) if no supported format can be
- * found. */
-ALenum GetFormat(ALenum channels, ALenum type, LPALISBUFFERFORMATSUPPORTEDSOFT palIsBufferFormatSupportedSOFT)
-{
- ALenum format = AL_NONE;
-
- /* If using AL_SOFT_buffer_samples, try looking through its formats */
- if(palIsBufferFormatSupportedSOFT)
- {
- /* AL_SOFT_buffer_samples is more lenient with matching formats. The
- * specified sample type does not need to match the returned format,
- * but it is nice to try to get something close. */
- if(type == AL_UNSIGNED_BYTE_SOFT || type == AL_BYTE_SOFT)
- {
- if(channels == AL_MONO_SOFT) format = AL_MONO8_SOFT;
- else if(channels == AL_STEREO_SOFT) format = AL_STEREO8_SOFT;
- else if(channels == AL_QUAD_SOFT) format = AL_QUAD8_SOFT;
- else if(channels == AL_5POINT1_SOFT) format = AL_5POINT1_8_SOFT;
- else if(channels == AL_6POINT1_SOFT) format = AL_6POINT1_8_SOFT;
- else if(channels == AL_7POINT1_SOFT) format = AL_7POINT1_8_SOFT;
- }
- else if(type == AL_UNSIGNED_SHORT_SOFT || type == AL_SHORT_SOFT)
- {
- if(channels == AL_MONO_SOFT) format = AL_MONO16_SOFT;
- else if(channels == AL_STEREO_SOFT) format = AL_STEREO16_SOFT;
- else if(channels == AL_QUAD_SOFT) format = AL_QUAD16_SOFT;
- else if(channels == AL_5POINT1_SOFT) format = AL_5POINT1_16_SOFT;
- else if(channels == AL_6POINT1_SOFT) format = AL_6POINT1_16_SOFT;
- else if(channels == AL_7POINT1_SOFT) format = AL_7POINT1_16_SOFT;
- }
- else if(type == AL_UNSIGNED_BYTE3_SOFT || type == AL_BYTE3_SOFT ||
- type == AL_UNSIGNED_INT_SOFT || type == AL_INT_SOFT ||
- type == AL_FLOAT_SOFT || type == AL_DOUBLE_SOFT)
- {
- if(channels == AL_MONO_SOFT) format = AL_MONO32F_SOFT;
- else if(channels == AL_STEREO_SOFT) format = AL_STEREO32F_SOFT;
- else if(channels == AL_QUAD_SOFT) format = AL_QUAD32F_SOFT;
- else if(channels == AL_5POINT1_SOFT) format = AL_5POINT1_32F_SOFT;
- else if(channels == AL_6POINT1_SOFT) format = AL_6POINT1_32F_SOFT;
- else if(channels == AL_7POINT1_SOFT) format = AL_7POINT1_32F_SOFT;
- }
-
- if(format != AL_NONE && !palIsBufferFormatSupportedSOFT(format))
- format = AL_NONE;
-
- /* A matching format was not found or supported. Try 32-bit float. */
- if(format == AL_NONE)
- {
- if(channels == AL_MONO_SOFT) format = AL_MONO32F_SOFT;
- else if(channels == AL_STEREO_SOFT) format = AL_STEREO32F_SOFT;
- else if(channels == AL_QUAD_SOFT) format = AL_QUAD32F_SOFT;
- else if(channels == AL_5POINT1_SOFT) format = AL_5POINT1_32F_SOFT;
- else if(channels == AL_6POINT1_SOFT) format = AL_6POINT1_32F_SOFT;
- else if(channels == AL_7POINT1_SOFT) format = AL_7POINT1_32F_SOFT;
-
- if(format != AL_NONE && !palIsBufferFormatSupportedSOFT(format))
- format = AL_NONE;
- }
- /* 32-bit float not supported. Try 16-bit int. */
- if(format == AL_NONE)
- {
- if(channels == AL_MONO_SOFT) format = AL_MONO16_SOFT;
- else if(channels == AL_STEREO_SOFT) format = AL_STEREO16_SOFT;
- else if(channels == AL_QUAD_SOFT) format = AL_QUAD16_SOFT;
- else if(channels == AL_5POINT1_SOFT) format = AL_5POINT1_16_SOFT;
- else if(channels == AL_6POINT1_SOFT) format = AL_6POINT1_16_SOFT;
- else if(channels == AL_7POINT1_SOFT) format = AL_7POINT1_16_SOFT;
-
- if(format != AL_NONE && !palIsBufferFormatSupportedSOFT(format))
- format = AL_NONE;
- }
- /* 16-bit int not supported. Try 8-bit int. */
- if(format == AL_NONE)
- {
- if(channels == AL_MONO_SOFT) format = AL_MONO8_SOFT;
- else if(channels == AL_STEREO_SOFT) format = AL_STEREO8_SOFT;
- else if(channels == AL_QUAD_SOFT) format = AL_QUAD8_SOFT;
- else if(channels == AL_5POINT1_SOFT) format = AL_5POINT1_8_SOFT;
- else if(channels == AL_6POINT1_SOFT) format = AL_6POINT1_8_SOFT;
- else if(channels == AL_7POINT1_SOFT) format = AL_7POINT1_8_SOFT;
-
- if(format != AL_NONE && !palIsBufferFormatSupportedSOFT(format))
- format = AL_NONE;
- }
-
- return format;
- }
-
- /* We use the AL_EXT_MCFORMATS extension to provide output of Quad, 5.1,
- * and 7.1 channel configs, AL_EXT_FLOAT32 for 32-bit float samples, and
- * AL_EXT_DOUBLE for 64-bit float samples. */
- if(type == AL_UNSIGNED_BYTE_SOFT)
- {
- if(channels == AL_MONO_SOFT)
- format = AL_FORMAT_MONO8;
- else if(channels == AL_STEREO_SOFT)
- format = AL_FORMAT_STEREO8;
- else if(alIsExtensionPresent("AL_EXT_MCFORMATS"))
- {
- if(channels == AL_QUAD_SOFT)
- format = alGetEnumValue("AL_FORMAT_QUAD8");
- else if(channels == AL_5POINT1_SOFT)
- format = alGetEnumValue("AL_FORMAT_51CHN8");
- else if(channels == AL_6POINT1_SOFT)
- format = alGetEnumValue("AL_FORMAT_61CHN8");
- else if(channels == AL_7POINT1_SOFT)
- format = alGetEnumValue("AL_FORMAT_71CHN8");
- }
- }
- else if(type == AL_SHORT_SOFT)
- {
- if(channels == AL_MONO_SOFT)
- format = AL_FORMAT_MONO16;
- else if(channels == AL_STEREO_SOFT)
- format = AL_FORMAT_STEREO16;
- else if(alIsExtensionPresent("AL_EXT_MCFORMATS"))
- {
- if(channels == AL_QUAD_SOFT)
- format = alGetEnumValue("AL_FORMAT_QUAD16");
- else if(channels == AL_5POINT1_SOFT)
- format = alGetEnumValue("AL_FORMAT_51CHN16");
- else if(channels == AL_6POINT1_SOFT)
- format = alGetEnumValue("AL_FORMAT_61CHN16");
- else if(channels == AL_7POINT1_SOFT)
- format = alGetEnumValue("AL_FORMAT_71CHN16");
- }
- }
- else if(type == AL_FLOAT_SOFT && alIsExtensionPresent("AL_EXT_FLOAT32"))
- {
- if(channels == AL_MONO_SOFT)
- format = alGetEnumValue("AL_FORMAT_MONO_FLOAT32");
- else if(channels == AL_STEREO_SOFT)
- format = alGetEnumValue("AL_FORMAT_STEREO_FLOAT32");
- else if(alIsExtensionPresent("AL_EXT_MCFORMATS"))
- {
- if(channels == AL_QUAD_SOFT)
- format = alGetEnumValue("AL_FORMAT_QUAD32");
- else if(channels == AL_5POINT1_SOFT)
- format = alGetEnumValue("AL_FORMAT_51CHN32");
- else if(channels == AL_6POINT1_SOFT)
- format = alGetEnumValue("AL_FORMAT_61CHN32");
- else if(channels == AL_7POINT1_SOFT)
- format = alGetEnumValue("AL_FORMAT_71CHN32");
- }
- }
- else if(type == AL_DOUBLE_SOFT && alIsExtensionPresent("AL_EXT_DOUBLE"))
- {
- if(channels == AL_MONO_SOFT)
- format = alGetEnumValue("AL_FORMAT_MONO_DOUBLE");
- else if(channels == AL_STEREO_SOFT)
- format = alGetEnumValue("AL_FORMAT_STEREO_DOUBLE");
- }
-
- /* NOTE: It seems OSX returns -1 from alGetEnumValue for unknown enums, as
- * opposed to 0. Correct it. */
- if(format == -1)
- format = 0;
-
- return format;
-}
-
-
-void AL_APIENTRY wrap_BufferSamples(ALuint buffer, ALuint samplerate,
- ALenum internalformat, ALsizei samples,
- ALenum channels, ALenum type,
- const ALvoid *data)
-{
- alBufferData(buffer, internalformat, data,
- FramesToBytes(samples, channels, type),
- samplerate);
-}
-
-
-const char *ChannelsName(ALenum chans)
+const char *FormatName(ALenum format)
{
- switch(chans)
+ switch(format)
{
- case AL_MONO_SOFT: return "Mono";
- case AL_STEREO_SOFT: return "Stereo";
- case AL_REAR_SOFT: return "Rear";
- case AL_QUAD_SOFT: return "Quadraphonic";
- case AL_5POINT1_SOFT: return "5.1 Surround";
- case AL_6POINT1_SOFT: return "6.1 Surround";
- case AL_7POINT1_SOFT: return "7.1 Surround";
+ case AL_FORMAT_MONO8: return "Mono, U8";
+ case AL_FORMAT_MONO16: return "Mono, S16";
+ case AL_FORMAT_STEREO8: return "Stereo, U8";
+ case AL_FORMAT_STEREO16: return "Stereo, S16";
}
- return "Unknown Channels";
-}
-
-const char *TypeName(ALenum type)
-{
- switch(type)
- {
- case AL_BYTE_SOFT: return "S8";
- case AL_UNSIGNED_BYTE_SOFT: return "U8";
- case AL_SHORT_SOFT: return "S16";
- case AL_UNSIGNED_SHORT_SOFT: return "U16";
- case AL_INT_SOFT: return "S32";
- case AL_UNSIGNED_INT_SOFT: return "U32";
- case AL_FLOAT_SOFT: return "Float32";
- case AL_DOUBLE_SOFT: return "Float64";
- }
- return "Unknown Type";
-}
-
-
-ALsizei FramesToBytes(ALsizei size, ALenum channels, ALenum type)
-{
- switch(channels)
- {
- case AL_MONO_SOFT: size *= 1; break;
- case AL_STEREO_SOFT: size *= 2; break;
- case AL_REAR_SOFT: size *= 2; break;
- case AL_QUAD_SOFT: size *= 4; break;
- case AL_5POINT1_SOFT: size *= 6; break;
- case AL_6POINT1_SOFT: size *= 7; break;
- case AL_7POINT1_SOFT: size *= 8; break;
- }
-
- switch(type)
- {
- case AL_BYTE_SOFT: size *= sizeof(ALbyte); break;
- case AL_UNSIGNED_BYTE_SOFT: size *= sizeof(ALubyte); break;
- case AL_SHORT_SOFT: size *= sizeof(ALshort); break;
- case AL_UNSIGNED_SHORT_SOFT: size *= sizeof(ALushort); break;
- case AL_INT_SOFT: size *= sizeof(ALint); break;
- case AL_UNSIGNED_INT_SOFT: size *= sizeof(ALuint); break;
- case AL_FLOAT_SOFT: size *= sizeof(ALfloat); break;
- case AL_DOUBLE_SOFT: size *= sizeof(ALdouble); break;
- }
-
- return size;
-}
-
-ALsizei BytesToFrames(ALsizei size, ALenum channels, ALenum type)
-{
- return size / FramesToBytes(1, channels, type);
+ return "Unknown Format";
}
diff --git a/examples/common/alhelpers.h b/examples/common/alhelpers.h
index 62ed5be2..41a7ce58 100644
--- a/examples/common/alhelpers.h
+++ b/examples/common/alhelpers.h
@@ -1,47 +1,21 @@
#ifndef ALHELPERS_H
#define ALHELPERS_H
-#ifndef _WIN32
-#include <unistd.h>
-#define Sleep(x) usleep((x)*1000)
-#else
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#endif
-
#include "AL/alc.h"
#include "AL/al.h"
#include "AL/alext.h"
+#include "threads.h"
+
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
-/* Some helper functions to get the name from the channel and type enums. */
-const char *ChannelsName(ALenum chans);
-const char *TypeName(ALenum type);
-
-/* Helpers to convert frame counts and byte lengths. */
-ALsizei FramesToBytes(ALsizei size, ALenum channels, ALenum type);
-ALsizei BytesToFrames(ALsizei size, ALenum channels, ALenum type);
-
-/* Retrieves a compatible buffer format given the channel configuration and
- * sample type. If an alIsBufferFormatSupportedSOFT-compatible function is
- * provided, it will be called to find the closest-matching format from
- * AL_SOFT_buffer_samples. Returns AL_NONE (0) if no supported format can be
- * found. */
-ALenum GetFormat(ALenum channels, ALenum type, LPALISBUFFERFORMATSUPPORTEDSOFT palIsBufferFormatSupportedSOFT);
-
-/* Loads samples into a buffer using the standard alBufferData call, but with a
- * LPALBUFFERSAMPLESSOFT-compatible prototype. Assumes internalformat is valid
- * for alBufferData, and that channels and type match it. */
-void AL_APIENTRY wrap_BufferSamples(ALuint buffer, ALuint samplerate,
- ALenum internalformat, ALsizei samples,
- ALenum channels, ALenum type,
- const ALvoid *data);
+/* Some helper functions to get the name from the format enums. */
+const char *FormatName(ALenum type);
/* Easy device init/deinit functions. InitAL returns 0 on success. */
-int InitAL(void);
+int InitAL(char ***argv, int *argc);
void CloseAL(void);
#ifdef __cplusplus
diff --git a/examples/common/sdl_sound.c b/examples/common/sdl_sound.c
deleted file mode 100644
index 79a5bf32..00000000
--- a/examples/common/sdl_sound.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * SDL_sound Decoder Helpers
- *
- * Copyright (c) 2013 by Chris Robinson <[email protected]>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-/* This file contains routines for helping to decode audio using SDL_sound.
- * There's very little OpenAL-specific code here.
- */
-#include "sdl_sound.h"
-
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <signal.h>
-#include <assert.h>
-
-#include <SDL_sound.h>
-
-#include "AL/al.h"
-#include "AL/alc.h"
-#include "AL/alext.h"
-
-#include "alhelpers.h"
-
-
-static int done_init = 0;
-
-FilePtr openAudioFile(const char *fname, size_t buftime_ms)
-{
- FilePtr file;
- ALuint rate;
- Uint32 bufsize;
- ALenum chans, type;
-
- /* We need to make sure SDL_sound is initialized. */
- if(!done_init)
- {
- Sound_Init();
- done_init = 1;
- }
-
- file = Sound_NewSampleFromFile(fname, NULL, 0);
- if(!file)
- {
- fprintf(stderr, "Failed to open %s: %s\n", fname, Sound_GetError());
- return NULL;
- }
-
- if(getAudioInfo(file, &rate, &chans, &type) != 0)
- {
- Sound_FreeSample(file);
- return NULL;
- }
-
- bufsize = FramesToBytes((ALsizei)(buftime_ms/1000.0*rate), chans, type);
- if(Sound_SetBufferSize(file, bufsize) == 0)
- {
- fprintf(stderr, "Failed to set buffer size to %u bytes: %s\n", bufsize, Sound_GetError());
- Sound_FreeSample(file);
- return NULL;
- }
-
- return file;
-}
-
-void closeAudioFile(FilePtr file)
-{
- if(file)
- Sound_FreeSample(file);
-}
-
-
-int getAudioInfo(FilePtr file, ALuint *rate, ALenum *channels, ALenum *type)
-{
- if(file->actual.channels == 1)
- *channels = AL_MONO_SOFT;
- else if(file->actual.channels == 2)
- *channels = AL_STEREO_SOFT;
- else
- {
- fprintf(stderr, "Unsupported channel count: %d\n", file->actual.channels);
- return 1;
- }
-
- if(file->actual.format == AUDIO_U8)
- *type = AL_UNSIGNED_BYTE_SOFT;
- else if(file->actual.format == AUDIO_S8)
- *type = AL_BYTE_SOFT;
- else if(file->actual.format == AUDIO_U16LSB || file->actual.format == AUDIO_U16MSB)
- *type = AL_UNSIGNED_SHORT_SOFT;
- else if(file->actual.format == AUDIO_S16LSB || file->actual.format == AUDIO_S16MSB)
- *type = AL_SHORT_SOFT;
- else
- {
- fprintf(stderr, "Unsupported sample format: 0x%04x\n", file->actual.format);
- return 1;
- }
-
- *rate = file->actual.rate;
-
- return 0;
-}
-
-
-uint8_t *getAudioData(FilePtr file, size_t *length)
-{
- *length = Sound_Decode(file);
- if(*length == 0)
- return NULL;
- if((file->actual.format == AUDIO_U16LSB && AUDIO_U16LSB != AUDIO_U16SYS) ||
- (file->actual.format == AUDIO_U16MSB && AUDIO_U16MSB != AUDIO_U16SYS) ||
- (file->actual.format == AUDIO_S16LSB && AUDIO_S16LSB != AUDIO_S16SYS) ||
- (file->actual.format == AUDIO_S16MSB && AUDIO_S16MSB != AUDIO_S16SYS))
- {
- /* Swap bytes if the decoded endianness doesn't match the system. */
- char *buffer = file->buffer;
- size_t i;
- for(i = 0;i < *length;i+=2)
- {
- char b = buffer[i];
- buffer[i] = buffer[i+1];
- buffer[i+1] = b;
- }
- }
- return file->buffer;
-}
-
-void *decodeAudioStream(FilePtr file, size_t *length)
-{
- Uint32 got;
- char *mem;
-
- got = Sound_DecodeAll(file);
- if(got == 0)
- {
- *length = 0;
- return NULL;
- }
-
- mem = malloc(got);
- memcpy(mem, file->buffer, got);
-
- *length = got;
- return mem;
-}
diff --git a/examples/common/sdl_sound.h b/examples/common/sdl_sound.h
deleted file mode 100644
index e93ab92b..00000000
--- a/examples/common/sdl_sound.h
+++ /dev/null
@@ -1,43 +0,0 @@
-#ifndef EXAMPLES_SDL_SOUND_H
-#define EXAMPLES_SDL_SOUND_H
-
-#include "AL/al.h"
-
-#include <SDL_sound.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-/* Opaque handles to files and streams. Apps don't need to concern themselves
- * with the internals */
-typedef Sound_Sample *FilePtr;
-
-/* Opens a file with SDL_sound, and specifies the size of the sample buffer in
- * milliseconds. */
-FilePtr openAudioFile(const char *fname, size_t buftime_ms);
-
-/* Closes/frees an opened file */
-void closeAudioFile(FilePtr file);
-
-/* Returns information about the given audio stream. Returns 0 on success. */
-int getAudioInfo(FilePtr file, ALuint *rate, ALenum *channels, ALenum *type);
-
-/* Returns a pointer to the next available chunk of decoded audio. The size (in
- * bytes) of the returned data buffer is stored in 'length', and the returned
- * pointer is only valid until the next call to getAudioData. */
-uint8_t *getAudioData(FilePtr file, size_t *length);
-
-/* Decodes all remaining data from the stream and returns a buffer containing
- * the audio data, with the size stored in 'length'. The returned pointer must
- * be freed with a call to free(). Note that since this decodes the whole
- * stream, using it on lengthy streams (eg, music) will use a lot of memory.
- * Such streams are better handled using getAudioData to keep smaller chunks in
- * memory at any given time. */
-void *decodeAudioStream(FilePtr, size_t *length);
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* EXAMPLES_SDL_SOUND_H */