diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/audio/gus.c | 2 | ||||
| -rw-r--r-- | hw/audio/gusemu.h | 12 | ||||
| -rw-r--r-- | hw/audio/gusemu_hal.c | 2 | ||||
| -rw-r--r-- | hw/audio/gusemu_mixer.c | 8 |
4 files changed, 7 insertions, 17 deletions
diff --git a/hw/audio/gus.c b/hw/audio/gus.c index 3d08a6576a..ec103a4db9 100644 --- a/hw/audio/gus.c +++ b/hw/audio/gus.c @@ -53,7 +53,7 @@ typedef struct GUSState { uint32_t freq; uint32_t port; int pos, left, shift, irqs; - GUSsample *mixbuf; + int16_t *mixbuf; uint8_t himem[1024 * 1024 + 32 + 4096]; int samples; SWVoiceOut *voice; diff --git a/hw/audio/gusemu.h b/hw/audio/gusemu.h index 69dadef24d..ab591eefb7 100644 --- a/hw/audio/gusemu.h +++ b/hw/audio/gusemu.h @@ -25,16 +25,6 @@ #ifndef GUSEMU_H #define GUSEMU_H -/* data types (need to be adjusted if neither a VC6 nor a C99 compatible compiler is used) */ - -#if defined _WIN32 && defined _MSC_VER /* doesn't support other win32 compilers yet, do it yourself... */ - typedef unsigned int GUSdword; - typedef signed short GUSsample; -#else - typedef uint32_t GUSdword; - typedef int16_t GUSsample; -#endif - typedef struct _GUSEmuState { uint8_t *himemaddr; /* 1024*1024 bytes used for storing uploaded samples (+32 additional bytes for read padding) */ @@ -86,7 +76,7 @@ void gus_dma_transferdata(GUSEmuState *state, char *dma_addr, unsigned int count /* If the interrupts are asynchronous, it may be needed to use a separate thread mixing into a temporary */ /* audio buffer in order to avoid quality loss caused by large numsamples and elapsed_time values. */ -void gus_mixvoices(GUSEmuState *state, unsigned int playback_freq, unsigned int numsamples, GUSsample *bufferpos); +void gus_mixvoices(GUSEmuState *state, unsigned int playback_freq, unsigned int numsamples, int16_t *bufferpos); /* recommended range: 10 < numsamples < 100 */ /* lower values may result in increased rounding error, higher values often cause audible timing delays */ diff --git a/hw/audio/gusemu_hal.c b/hw/audio/gusemu_hal.c index 3dd7239a4b..1150fc4426 100644 --- a/hw/audio/gusemu_hal.c +++ b/hw/audio/gusemu_hal.c @@ -32,7 +32,7 @@ #define GUSregb(position) (* (gusptr+(position))) #define GUSregw(position) (*(uint16_t *) (gusptr+(position))) -#define GUSregd(position) (*(GUSdword *)(gusptr+(position))) +#define GUSregd(position) (*(uint16_t *)(gusptr+(position))) /* size given in bytes */ unsigned int gus_read(GUSEmuState * state, int port, int size) diff --git a/hw/audio/gusemu_mixer.c b/hw/audio/gusemu_mixer.c index 981a9ae0d4..00b9861b92 100644 --- a/hw/audio/gusemu_mixer.c +++ b/hw/audio/gusemu_mixer.c @@ -28,13 +28,13 @@ #define GUSregb(position) (* (gusptr+(position))) #define GUSregw(position) (*(uint16_t *) (gusptr+(position))) -#define GUSregd(position) (*(GUSdword *)(gusptr+(position))) +#define GUSregd(position) (*(uint16_t *)(gusptr+(position))) #define GUSvoice(position) (*(uint16_t *)(voiceptr+(position))) /* samples are always 16bit stereo (4 bytes each, first right then left interleaved) */ void gus_mixvoices(GUSEmuState * state, unsigned int playback_freq, unsigned int numsamples, - GUSsample *bufferpos) + int16_t *bufferpos) { /* note that byte registers are stored in the upper half of each voice register! */ uint8_t *gusptr; @@ -171,8 +171,8 @@ void gus_mixvoices(GUSEmuState * state, unsigned int playback_freq, unsigned int } /* mix samples into buffer */ - *(bufferpos + 2 * sample) += (GUSsample) ((sample1 * PanningPos) >> 4); /* right */ - *(bufferpos + 2 * sample + 1) += (GUSsample) ((sample1 * (15 - PanningPos)) >> 4); /* left */ + *(bufferpos + 2 * sample) += (int16_t) ((sample1 * PanningPos) >> 4); /* right */ + *(bufferpos + 2 * sample + 1) += (int16_t) ((sample1 * (15 - PanningPos)) >> 4); /* left */ } /* write back voice and volume */ GUSvoice(wVSRCurrVol) = Volume32 / 32; |