70 static BOOL ReadWaveFormat(StreamInfo * strm);
71 static void ReadStrmData(StreamInfo * strm);
75 static void PlayStream(StreamInfo * strm, const char *filename);
76 static void StopStream(StreamInfo * strm);
93 static StreamInfo strm;  variable
114     FS_InitFile(&strm.file);  in NitroMain()
115     strm.isPlay = FALSE;  in NitroMain()
161             PlayStream(&strm, filename1);  in NitroMain()
166             PlayStream(&strm, filename2);  in NitroMain()
171             StopStream(&strm);  in NitroMain()
189 static void PlayStream(StreamInfo * strm, const char *filename)  in PlayStream()  argument
195     if (strm->isPlay)  in PlayStream()
198         StopStream(strm);  in PlayStream()
205     if (FS_IsFile(&strm->file))  in PlayStream()
206         (void)FS_CloseFile(&strm->file);  in PlayStream()
207     if (!FS_OpenFileEx(&strm->file, filename, FS_FILEMODE_R))  in PlayStream()
211     if (!ReadWaveFormat(strm))  in PlayStream()
216     strm->isPlay = TRUE;  in PlayStream()
219     timerValue = SND_TIMER_CLOCK / strm->format.sampleRate;  in PlayStream()
221     alarmPeriod /= (strm->format.bitPerSample == 16) ? sizeof(s16) : sizeof(s8);  in PlayStream()
224     (void)FS_SeekFile(&strm->file, (s32)strm->beginPos, FS_SEEK_SET);  in PlayStream()
225     strm->bufPage = 0;  in PlayStream()
226     ReadStrmData(strm);  in PlayStream()
227     ReadStrmData(strm);  in PlayStream()
231                         (strm->format.bitPerSample ==  in PlayStream()
236                         (strm->format.bitPerSample ==  in PlayStream()
238                         (strm->format.channels == 1) ? strm_lbuf : strm_rbuf,  in PlayStream()
241     SND_SetupAlarm(ALARM_NUM, alarmPeriod, alarmPeriod, SoundAlarmHandler, strm);  in PlayStream()
254 static void StopStream(StreamInfo * strm)  in StopStream()  argument
257     if (FS_IsFile(&strm->file))  in StopStream()
258         (void)FS_CloseFile(&strm->file);  in StopStream()
259     strm->isPlay = FALSE;  in StopStream()
308 static void ReadStrmData(StreamInfo * strm)  in ReadStrmData()  argument
315     if (strm->dataSize <= 0)  in ReadStrmData()
317         StopStream(strm);  in ReadStrmData()
322     if (strm->bufPage == 0)  in ReadStrmData()
326         strm->bufPage = 1;  in ReadStrmData()
332         strm->bufPage = 0;  in ReadStrmData()
336     if (strm->format.channels == 1)  in ReadStrmData()
339         readSize = FS_ReadFile(&strm->file,  in ReadStrmData()
341                                (strm->dataSize <  in ReadStrmData()
342                                 STRM_BUF_PAGESIZE) ? strm->dataSize : STRM_BUF_PAGESIZE);  in ReadStrmData()
346         if (strm->format.bitPerSample == 16)  in ReadStrmData()
374         readSize = FS_ReadFile(&strm->file,  in ReadStrmData()
376                                (strm->dataSize <  in ReadStrmData()
377                                 STRM_BUF_PAGESIZE * 2) ? strm->dataSize : STRM_BUF_PAGESIZE * 2);  in ReadStrmData()
381         if (strm->format.bitPerSample == 16)  in ReadStrmData()
411     strm->dataSize -= readSize;  in ReadStrmData()
426 static BOOL ReadWaveFormat(StreamInfo * strm)  in ReadWaveFormat()  argument
432     (void)FS_SeekFileToBegin(&strm->file);  in ReadWaveFormat()
434     (void)FS_ReadFile(&strm->file, &tag, 4);  in ReadWaveFormat()
438     (void)FS_ReadFile(&strm->file, &size, 4);  in ReadWaveFormat()
440     (void)FS_ReadFile(&strm->file, &tag, 4);  in ReadWaveFormat()
447         if (FS_ReadFile(&strm->file, &tag, 4) == -1)  in ReadWaveFormat()
451         if (FS_ReadFile(&strm->file, &chunkSize, 4) == -1)  in ReadWaveFormat()
459             if (FS_ReadFile(&strm->file, (u8 *)&strm->format, chunkSize) == -1)  in ReadWaveFormat()
466             strm->beginPos = FS_GetFilePosition(&strm->file);  in ReadWaveFormat()
467             strm->dataSize = chunkSize;  in ReadWaveFormat()
468             (void)FS_SeekFile(&strm->file, chunkSize, FS_SEEK_CUR);  in ReadWaveFormat()
472             (void)FS_SeekFile(&strm->file, chunkSize, FS_SEEK_CUR);  in ReadWaveFormat()