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#include <stdio.h>
#include <stdlib.h>
#include <AL/alut.h>
/*
* This program loads and plays a variety of files from memory,
* basically a modified version of test_suite/test_fileloader.c.
*/
static ALbyte fileBuffer[100000];
static void playFile(const char *fileName)
{
FILE *fileDescriptor;
size_t fileLength;
ALuint buffer;
ALuint source;
ALenum error;
ALint status;
/* Load the sound file into memory. */
fileDescriptor = fopen(fileName, "rb");
if (fileDescriptor == NULL)
{
fprintf(stderr, "Error opening file %s\n", fileName);
alutExit();
exit(EXIT_FAILURE);
}
fileLength = fread(fileBuffer, 1, sizeof(fileBuffer), fileDescriptor);
if (ferror(fileDescriptor))
{
fprintf(stderr, "Error reading file %s\n", fileName);
alutExit();
exit(EXIT_FAILURE);
}
fclose(fileDescriptor);
/* Create an AL buffer from the given sound file. */
buffer = alutCreateBufferFromFileImage(fileBuffer, fileLength);
if (buffer == AL_NONE)
{
error = alutGetError();
fprintf(stderr, "Error creating buffer from file image: '%s'\n", alutGetErrorString(error));
alutExit();
exit(EXIT_FAILURE);
}
/* Generate a single source, attach the buffer to it and start playing. */
alGenSources(1, &source);
alSourcei(source, AL_BUFFER, buffer);
alSourcePlay(source);
/* Normally nothing should go wrong above, but one never knows... */
error = alGetError();
if (error != ALUT_ERROR_NO_ERROR)
{
fprintf(stderr, "%s\n", alGetString(error));
alutExit();
exit(EXIT_FAILURE);
}
/* Check every 0.1 seconds if the sound is still playing. */
do
{
alutSleep(0.1f);
alGetSourcei(source, AL_SOURCE_STATE, &status);
}
while (status == AL_PLAYING);
}
int main(int argc, char **argv)
{
/* Initialise ALUT and eat any ALUT-specific commandline flags. */
if (!alutInit(&argc, argv))
{
ALenum error = alutGetError();
fprintf(stderr, "%s\n", alutGetErrorString(error));
exit(EXIT_FAILURE);
}
/* If everything is OK, play the sound files and exit when finished. */
playFile("file1.wav");
playFile("file2.au");
/* Note that we can not play raw sound files from memory because the
* format can't be guessed without a file name. */
if (!alutExit())
{
ALenum error = alutGetError();
fprintf(stderr, "%s\n", alutGetErrorString(error));
exit(EXIT_FAILURE);
}
return EXIT_SUCCESS;
}
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