Planet
navi homePPSaboutscreenshotsdownloaddevelopmentforum

source: downloads/freealut-1.1.0/test_suite/test_memoryloader.c @ 49

Last change on this file since 49 was 14, checked in by landauf, 17 years ago

added freealut

File size: 2.5 KB
Line 
1#include <stdio.h>
2#include <stdlib.h>
3#include <AL/alut.h>
4
5/*
6 * This program loads and plays a variety of files from memory,
7 * basically a modified version of test_suite/test_fileloader.c.
8 */
9
10static ALbyte fileBuffer[100000];
11
12static void
13playFile (const char *fileName)
14{
15  FILE *fileDescriptor;
16  size_t fileLength;
17  ALuint buffer;
18  ALuint source;
19  ALenum error;
20  ALint status;
21
22  /* Load the sound file into memory. */
23  fileDescriptor = fopen (fileName, "rb");
24  if (fileDescriptor == NULL)
25    {
26      fprintf (stderr, "Error opening file %s\n", fileName);
27      alutExit ();
28      exit (EXIT_FAILURE);
29    }
30
31  fileLength = fread (fileBuffer, 1, sizeof (fileBuffer), fileDescriptor);
32  if (ferror (fileDescriptor))
33    {
34      fprintf (stderr, "Error reading file %s\n", fileName);
35      alutExit ();
36      exit (EXIT_FAILURE);
37    }
38
39  fclose (fileDescriptor);
40
41  /* Create an AL buffer from the given sound file. */
42  buffer = alutCreateBufferFromFileImage (fileBuffer, fileLength);
43  if (buffer == AL_NONE)
44    {
45      error = alutGetError ();
46      fprintf (stderr, "Error creating buffer from file image: '%s'\n",
47               alutGetErrorString (error));
48      alutExit ();
49      exit (EXIT_FAILURE);
50    }
51
52  /* Generate a single source, attach the buffer to it and start playing. */
53  alGenSources (1, &source);
54  alSourcei (source, AL_BUFFER, buffer);
55  alSourcePlay (source);
56
57  /* Normally nothing should go wrong above, but one never knows... */
58  error = alGetError ();
59  if (error != ALUT_ERROR_NO_ERROR)
60    {
61      fprintf (stderr, "%s\n", alGetString (error));
62      alutExit ();
63      exit (EXIT_FAILURE);
64    }
65
66  /* Check every 0.1 seconds if the sound is still playing. */
67  do
68    {
69      alutSleep (0.1f);
70      alGetSourcei (source, AL_SOURCE_STATE, &status);
71    }
72  while (status == AL_PLAYING);
73}
74
75int
76main (int argc, char **argv)
77{
78  /* Initialise ALUT and eat any ALUT-specific commandline flags. */
79  if (!alutInit (&argc, argv))
80    {
81      ALenum error = alutGetError ();
82      fprintf (stderr, "%s\n", alutGetErrorString (error));
83      exit (EXIT_FAILURE);
84    }
85
86  /* If everything is OK, play the sound files and exit when finished. */
87  playFile ("file1.wav");
88  playFile ("file2.au");
89  /* Note that we can not play raw sound files from memory because the
90     format can't be guessed without a file name. */
91
92  if (!alutExit ())
93    {
94      ALenum error = alutGetError ();
95      fprintf (stderr, "%s\n", alutGetErrorString (error));
96      exit (EXIT_FAILURE);
97    }
98  return EXIT_SUCCESS;
99}
Note: See TracBrowser for help on using the repository browser.