Source code of Windows XP (NT5)
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1.9 KiB

//
// MODULE : STAUDIO.H
// PURPOSE : Audio functions
// AUTHOR : JBS Yadawa
// CREATED : 7/20/96
//
//
// Copyright (C) 1996 SGS-THOMSON Microelectronics
//
//
// REVISION HISTORY :
//
// DATE :
//
// COMMENTS :
//
#ifndef __STAUDIO_H
#define __STAUDIO_H
#include "stdefs.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
WORD AudioState;
WORD ErrorMsg; // Error Message
WORD IntAudio; // Flag positioned when Audio interrupt is detected
DWORD PtsAudio; // Audio PTS
WORD StrType;
BOOL FirstPTS; // if First PTS reached FirstPTS=TRUE
WORD MaskItAudio; /* Audio Interrupt Mask */
DWORD icd[4];
BOOL mute; /* TRUE if audio is muted */
BOOL Stepped; /* TRUE if last step command has been executed */
BOOL fastForward; /* fast - TRUE = decode fast */
WORD decSlowDown; /* If !=0 slow motion decoding */
WORD DecodeMode; /* Is PLAY_MODE, FAST_MODE or SLOW_MODE */
DWORD SampFreq;
DWORD FrameCount; /* Frame Number */
} AUDIO, *PAUDIO;
void AudioOpen(PAUDIO);
void AudioClose(void);
void AudioInitDecoder(WORD StreamType);
WORD AudioTestReg(void);
WORD AudioTest(void);
WORD AudioTestInt(void);
void AudioSetMode(WORD Mode, WORD param);
void AudioDecode(void);
void AudioStep(void);
void AudioStop(void);
void AudioPause(void);
WORD AudioGetState(void);
void AudioSetSTCParameters(DWORD SampFreq);
DWORD AudioGetSTC(void);
DWORD AudioGetVideoSTC(void);
void AudioInitSTC(DWORD stc);
DWORD AudioGetPTS(void);
WORD AudioGetErrorMsg(void);
void AudioSetRightVolume(WORD volume);
void AudioSetLeftVolume(WORD volume);
void AudioMute(void);
BOOL AudioIsFirstPTS(void);
void AudioSetStreamType(WORD StrType);
void AudioMaskInt(void);
void AudioRestoreInt(void);
BOOL AudioAudioInt (void);
void AudioInitPesParser (WORD StreamType);
#ifdef __cplusplus
}
#endif
#endif // #ifndef __STAUDIO_H