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Annotation of hatari/src/includes/sound.h, revision 1.1.1.4

1.1       root        1: /*
1.1.1.4 ! root        2:   Hatari - sound.h
        !             3: 
        !             4:   This file is distributed under the GNU Public License, version 2 or at
        !             5:   your option any later version. Read the file gpl.txt for details.
1.1       root        6: */
                      7: 
1.1.1.3   root        8: #ifndef HATARI_SOUND_H
                      9: #define HATARI_SOUND_H
                     10: 
                     11: 
1.1       root       12: /* Envelope shape table */
1.1.1.4 ! root       13: typedef struct
        !            14: {
        !            15:   int WaveStart[4], WaveDelta[4];
1.1       root       16: } ENVSHAPE;
                     17: 
1.1.1.4 ! root       18: #define MIXBUFFER_SIZE    8192          /* Size of circular buffer to store sample to (44Khz) */
1.1       root       19: 
                     20: #define SAMPLES_BUFFER_SIZE  1024
1.1.1.4 ! root       21: /* Number of generated samples per frame (eg. 44Khz=882) : */
        !            22: #define SAMPLES_PER_FRAME  ((SoundPlayBackFrequencies[OutputAudioFreqIndex]+25)/50)
        !            23: /* Frequency of generated samples: */
        !            24: #define SAMPLES_FREQ   (SoundPlayBackFrequencies[OutputAudioFreqIndex])
1.1       root       25: #define YM_FREQ        (2000000/SAMPLES_FREQ)      /* YM Frequency 2Mhz */
                     26: 
1.1.1.3   root       27: 
1.1       root       28: extern BOOL bWriteEnvelopeFreq,bWriteChannelAAmp,bWriteChannelBAmp,bWriteChannelCAmp;
                     29: extern BOOL bEnvelopeFreqFlag;
1.1.1.4 ! root       30: extern char MixBuffer[MIXBUFFER_SIZE];
1.1.1.3   root       31: extern int SoundCycles;
1.1.1.4 ! root       32: extern int nGeneratedSamples;
1.1       root       33: 
                     34: extern void Sound_Init(void);
                     35: extern void Sound_Reset(void);
                     36: extern void Sound_ClearMixBuffer(void);
                     37: extern void Sound_MemorySnapShot_Capture(BOOL bSave);
                     38: extern void Sound_CreateLogTables(void);
                     39: extern void Sound_CreateEnvelopeShapes(void);
                     40: extern void Sound_CreateSoundMixClipTable(void);
                     41: extern void Sound_GenerateYMFrameSamples(void);
                     42: extern void Sound_UpdateHBL(void);
                     43: extern void Sound_Update(void);
                     44: extern void Sound_Update_VBL(void);
1.1.1.2   root       45: extern BOOL Sound_BeginRecording(char *pszCaptureFileName);
                     46: extern void Sound_EndRecording();
1.1       root       47: extern BOOL Sound_AreWeRecording(void);
1.1.1.3   root       48: 
                     49: #endif  /* HATARI_SOUND_H */

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