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Add audio volume control for mscdex. Implemented it in images and win32ioctl. Others are still open. Thanks ripsaw.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3631
This commit is contained in:
Peter Veenstra 2010-08-07 18:32:39 +00:00
parent 0438430b24
commit 8c29440d39
4 changed files with 91 additions and 4 deletions
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15
src/dos/cdrom.h
View file

@ -31,6 +31,11 @@ typedef struct SMSF {
unsigned char fr;
} TMSF;
typedef struct SCtrl {
Bit8u out[4]; // output channel
Bit8u vol[4]; // channel volume
} TCtrl;
extern int CDROM_GetMountType(char* path, int force);
class CDROM_Interface
@ -52,6 +57,7 @@ public:
virtual bool PlayAudioSector (unsigned long start,unsigned long len) = 0;
virtual bool PauseAudio (bool resume) = 0;
virtual bool StopAudio (void) = 0;
virtual void ChannelControl (TCtrl ctrl) = 0;
virtual bool ReadSectors (PhysPt buffer, bool raw, unsigned long sector, unsigned long num) = 0;
@ -76,6 +82,7 @@ public:
virtual bool PlayAudioSector (unsigned long start,unsigned long len);
virtual bool PauseAudio (bool resume);
virtual bool StopAudio (void);
virtual void ChannelControl (TCtrl ctrl) { return; };
virtual bool ReadSectors (PhysPt /*buffer*/, bool /*raw*/, unsigned long /*sector*/, unsigned long /*num*/) { return false; };
virtual bool LoadUnloadMedia (bool unload);
@ -101,6 +108,7 @@ public:
bool PlayAudioSector (unsigned long /*start*/,unsigned long /*len*/) { return true; };
bool PauseAudio (bool /*resume*/) { return true; };
bool StopAudio (void) { return true; };
void ChannelControl (TCtrl ctrl) { return; };
bool ReadSectors (PhysPt /*buffer*/, bool /*raw*/, unsigned long /*sector*/, unsigned long /*num*/) { return true; };
bool LoadUnloadMedia (bool /*unload*/) { return true; };
};
@ -166,6 +174,7 @@ public:
bool PlayAudioSector (unsigned long start,unsigned long len);
bool PauseAudio (bool resume);
bool StopAudio (void);
void ChannelControl (TCtrl ctrl);
bool ReadSectors (PhysPt buffer, bool raw, unsigned long sector, unsigned long num);
bool LoadUnloadMedia (bool unload);
bool ReadSector (Bit8u *buffer, bool raw, unsigned long sector);
@ -188,6 +197,8 @@ static struct imagePlayer {
int targetFrame;
bool isPlaying;
bool isPaused;
bool ctrlUsed;
TCtrl ctrlData;
} player;
void ClearTracks();
@ -234,6 +245,7 @@ public:
bool PlayAudioSector (unsigned long start,unsigned long len);
bool PauseAudio (bool resume);
bool StopAudio (void);
void ChannelControl (TCtrl ctrl) { return; };
bool ReadSectors (PhysPt buffer, bool raw, unsigned long sector, unsigned long num);
@ -284,6 +296,7 @@ public:
bool PlayAudioSector (unsigned long start,unsigned long len);
bool PauseAudio (bool resume);
bool StopAudio (void);
void ChannelControl (TCtrl ctrl);
bool ReadSector (Bit8u *buffer, bool raw, unsigned long sector);
bool ReadSectors (PhysPt buffer, bool raw, unsigned long sector, unsigned long num);
@ -338,6 +351,8 @@ private:
int targetFrame;
bool isPlaying;
bool isPaused;
bool ctrlUsed;
TCtrl ctrlData;
} player;
};