88 lines
3.7 KiB
C
88 lines
3.7 KiB
C
#ifndef __STAUDIO_H
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#define __STAUDIO_H
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//----------------------------------------------------------------------------
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// STAUDIO.H
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//----------------------------------------------------------------------------
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// Description : small description of the goal of the module
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//----------------------------------------------------------------------------
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// Copyright SGS Thomson Microelectronics ! Version alpha ! Jan 1st, 1995
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//----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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// Include files
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//----------------------------------------------------------------------------
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#include "stdefs.h"
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//----------------------------------------------------------------------------
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// Exported Types
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//----------------------------------------------------------------------------
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typedef struct {
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U16 AudioState;
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U16 ErrorMsg; // Error Message
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U16 IntAudio; // Flag positioned when Audio interrupt is detected
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U32 PtsAudio; // Audio PTS
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U16 StrType;
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BOOLEAN FirstPTS; // if First PTS reached FirstPTS=TRUE
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U16 MaskItAudio; /* Audio Interrupt Mask */
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U32 icd[4];
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BOOLEAN mute; /* TRUE if audio is muted */
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BOOLEAN Stepped; /* TRUE if last step command has been executed */
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BOOLEAN fastForward; /* fast - TRUE = decode fast */
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U16 decSlowDown; /* If !=0 slow motion decoding */
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U16 DecodeMode; /* Is PLAY_MODE, FAST_MODE or SLOW_MODE */
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U32 SampFreq;
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U32 FrameCount; /* Frame Number */
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} AUDIO, FAR *PAUDIO;
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//----------------------------------------------------------------------------
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// Exported Variables
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//----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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// Exported Constants
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//----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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// Exported Functions
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//----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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// One line function description (same as in .C)
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//----------------------------------------------------------------------------
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// In :
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// Out :
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// InOut :
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// Global :
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// Return :
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//----------------------------------------------------------------------------
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VOID AudioOpen(PAUDIO pAudio);
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VOID AudioClose(PAUDIO FAR *pAudio);
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VOID AudioInitDecoder(PAUDIO pAudio, U16 StreamType);
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U16 AudioTestReg(VOID);
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U16 AudioTest(PAUDIO pAudio);
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U16 AudioTestInt(PAUDIO pAudio);
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VOID AudioSetMode(PAUDIO pAudio, U16 Mode, U16 param);
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VOID AudioDecode(PAUDIO pAudio);
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VOID AudioStep(PAUDIO pAudio);
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VOID AudioStop(PAUDIO pAudio);
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VOID AudioPause(PAUDIO pAudio);
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U16 AudioGetState(PAUDIO pAudio);
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VOID AudioSetSTCParameters(U32 SampFreq);
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U32 AudioGetSTC(VOID);
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U32 AudioGetVideoSTC(VOID);
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VOID AudioInitSTC(U32 stc);
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U32 AudioGetPTS(PAUDIO pAudio);
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U16 AudioGetErrorMsg(PAUDIO pAudio);
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VOID AudioSetRightVolume(U16 volume);
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VOID AudioSetLeftVolume(U16 volume);
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VOID AudioMute(PAUDIO pAudio);
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BOOLEAN AudioIsFirstPTS(PAUDIO pAudio);
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VOID AudioSetStreamType(U16 StrType);
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VOID AudioMaskInt(VOID);
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VOID AudioRestoreInt(PAUDIO pAudio);
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BOOLEAN AudioAudioInt (PAUDIO pAudio);
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VOID AudioInitPesParser (U16 StreamType);
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//------------------------------- End of File --------------------------------
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#endif // #ifndef __STAUDIO_H
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