130         /*implementation inspired from http://www.devmaster.net/forums/showthread.php?t=1153 */

   130         /*implementation inspired from http://www.devmaster.net/forums/showthread.php?t=1153 */

   131         FILE		*oggFile;		/*ogg handle*/

   131         FILE		*oggFile;		/*ogg handle*/

   132         OggVorbis_File  oggStream;		/*stream handle*/

   132         OggVorbis_File  oggStream;		/*stream handle*/

   133         vorbis_info	*vorbisInfo;	/*some formatting data*/

   133         vorbis_info	*vorbisInfo;	/*some formatting data*/

   134         int64_t		pcm_length;		/*length of the decoded data*/

   134         int64_t		pcm_length;		/*length of the decoded data*/

   137 #ifdef DEBUG

   136 #ifdef DEBUG

   138         int i;

   137         int i;

   139         vorbis_comment	*vorbisComment;	/*other less useful data*/

   138         vorbis_comment	*vorbisComment;	/*other less useful data*/

   140 #endif

   139 #endif

   141         

   140         

   142         oggFile = Fopen(filename, "rb");

   141         oggFile = Fopen(filename, "rb");

   143         result = ov_open(oggFile, &oggStream, NULL, 0);	/*TODO: check returning value of result*/

   142         result = ov_open(oggFile, &oggStream, NULL, 0);	/*TODO: check returning value of result*/

   145         

   143         

   146         vorbisInfo = ov_info(&oggStream, -1);

   144         vorbisInfo = ov_info(&oggStream, -1);

   147         pcm_length = ov_pcm_total(&oggStream, -1) << vorbisInfo->channels;	

   145         pcm_length = ov_pcm_total(&oggStream, -1) << vorbisInfo->channels;	

   148         

   146         

   149 #ifdef DEBUG

   147 #ifdef DEBUG

   171         else {

   169         else {

   172             if (vorbisInfo->channels == 2)

   170             if (vorbisInfo->channels == 2)

   173                 *format = AL_FORMAT_STEREO16;

   171                 *format = AL_FORMAT_STEREO16;

   174             else {

   172             else {

   175                 fprintf(stderr, "ERROR: wrong OGG header - channel value (%d)\n", vorbisInfo->channels);

   173                 fprintf(stderr, "ERROR: wrong OGG header - channel value (%d)\n", vorbisInfo->channels);

   176                 return AL_FALSE;

   176                 return AL_FALSE;

   177             }

   177             }

   178         }

   178         }

   179         

   179         

   180         while(size < pcm_length) {

   180         while(size < pcm_length) {

   185             } else {

   185             } else {

   186                 if (result == 0)

   186                 if (result == 0)

   187                     break;

   187                     break;

   188                 else { 

   188                 else { 

   189                     fprintf(stderr, "ERROR: end of file from OGG stream\n");

   189                     fprintf(stderr, "ERROR: end of file from OGG stream\n");

   190                     return AL_FALSE;

   192                     return AL_FALSE;

   191                 }

   193                 }

   192             }

   194             }

   193         }

   195         }

   194         

   196         

   195         /*records the last fields*/

   197         /*records the last fields*/

   196         *bitsize = size;

   198         *bitsize = size;

   197         *freq    = vorbisInfo->rate;

   199         *freq    = vorbisInfo->rate;

   198         

   200         

   199         ov_clear (&oggStream);

   201         ov_clear (&oggStream);

   200         return AL_TRUE;

   203         return AL_TRUE;

   201     }

   204     }

   202     

   205     

   203 #ifdef __CPLUSPLUS

   206 #ifdef __CPLUSPLUS

   204 }

   207 }