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Fix style/indendation issues in sound_ahi.c. #85

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Merged
sezero merged 1 commit into from
Mar 12, 2026
Merged

Fix style/indendation issues in sound_ahi.c. #85

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242 changes: 136 additions & 106 deletions src/sound_ahi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -32,127 +32,157 @@ static struct AHIRequest *AHIReq[2] = { NULL, NULL };
static int active = 0;
static signed char *AHIBuf[2] = { NULL, NULL };

static void closeLibs(void) {
if (AHIReq[1]) {
AHIReq[0]->ahir_Link = NULL; /* in case we are linked to req[0] */
if (!CheckIO((struct IORequest *) AHIReq[1])) {
AbortIO((struct IORequest *) AHIReq[1]);
WaitIO((struct IORequest *) AHIReq[1]);
}
FreeVec(AHIReq[1]);
AHIReq[1] = NULL;
}
if (AHIReq[0]) {
if (!CheckIO((struct IORequest *) AHIReq[0])) {
AbortIO((struct IORequest *) AHIReq[0]);
WaitIO((struct IORequest *) AHIReq[0]);
}
if (AHIReq[0]->ahir_Std.io_Device) {
CloseDevice((struct IORequest *) AHIReq[0]);
AHIReq[0]->ahir_Std.io_Device = NULL;
}
DeleteIORequest((struct IORequest *) AHIReq[0]);
AHIReq[0] = NULL;
}
if (AHImp) {
DeleteMsgPort(AHImp);
AHImp = NULL;
}
if (AHIBuf[0]) {
FreeVec(AHIBuf[0]);
AHIBuf[0] = NULL;
}
if (AHIBuf[1]) {
FreeVec(AHIBuf[1]);
AHIBuf[1] = NULL;
}
static void close_libs(void)
{
if (AHIReq[1]) {
/* in case req[1] is linked to req[0] */
AHIReq[0]->ahir_Link = NULL;

if (CheckIO((struct IORequest *) AHIReq[1]) == NULL) {
AbortIO((struct IORequest *) AHIReq[1]);
WaitIO((struct IORequest *) AHIReq[1]);
}
FreeVec(AHIReq[1]);
AHIReq[1] = NULL;
}
if (AHIReq[0]) {
if (CheckIO((struct IORequest *) AHIReq[0]) == NULL) {
AbortIO((struct IORequest *) AHIReq[0]);
WaitIO((struct IORequest *) AHIReq[0]);
}
if (AHIReq[0]->ahir_Std.io_Device) {
CloseDevice((struct IORequest *) AHIReq[0]);
AHIReq[0]->ahir_Std.io_Device = NULL;
}
DeleteIORequest((struct IORequest *) AHIReq[0]);
AHIReq[0] = NULL;
}
if (AHImp) {
DeleteMsgPort(AHImp);
AHImp = NULL;
}
if (AHIBuf[0]) {
FreeVec(AHIBuf[0]);
AHIBuf[0] = NULL;
}
if (AHIBuf[1]) {
FreeVec(AHIBuf[1]);
AHIBuf[1] = NULL;
}
}

static int init(struct options *options) {
AHImp = CreateMsgPort();
if (AHImp) {
AHIReq[0] = (struct AHIRequest *)CreateIORequest(AHImp, sizeof(struct AHIRequest));
if (AHIReq[0]) {
AHIReq[0]->ahir_Version = 4;
AHIReq[1] = AllocVec(sizeof(struct AHIRequest), SHAREDMEMFLAG);
if (AHIReq[1]) {
if (!OpenDevice(AHINAME, AHI_DEFAULT_UNIT, (struct IORequest *)AHIReq[0], 0)) {
AHIReq[0]->ahir_Std.io_Command = CMD_WRITE;
AHIReq[0]->ahir_Std.io_Data = NULL;
AHIReq[0]->ahir_Std.io_Offset = 0;
AHIReq[0]->ahir_Frequency = options->rate;
AHIReq[0]->ahir_Type = (options->format & XMP_FORMAT_8BIT)?
((options->format & XMP_FORMAT_MONO)? AHIST_M8S : AHIST_S8S ) :
((options->format & XMP_FORMAT_MONO)? AHIST_M16S : AHIST_S16S);
AHIReq[0]->ahir_Volume = 0x10000;
AHIReq[0]->ahir_Position = 0x8000;

CopyMem(AHIReq[0], AHIReq[1], sizeof(struct AHIRequest));

AHIBuf[0] = AllocVec(BUFFERSIZE, SHAREDMEMFLAG | MEMF_CLEAR);
if (AHIBuf[0]) {
AHIBuf[1] = AllocVec(BUFFERSIZE, SHAREDMEMFLAG | MEMF_CLEAR);
if (AHIBuf[1]) {
/* driver is initialized before calling libxmp, so this is OK : */
options->format &= ~XMP_FORMAT_UNSIGNED;/* no unsigned with AHI */
options->format &= ~XMP_FORMAT_32BIT;
return 0;
}
}
}
}
}
}

closeLibs();
return -1;
static int init(struct options *options)
{
unsigned long fmt;

AHImp = CreateMsgPort();
if (AHImp == NULL) {
return -1;
}

AHIReq[0] = (struct AHIRequest *)
CreateIORequest(AHImp, sizeof(struct AHIRequest));
if (AHIReq[0] == NULL) {
goto err;
}
AHIReq[0]->ahir_Version = 4;

AHIReq[1] = AllocVec(sizeof(struct AHIRequest), SHAREDMEMFLAG);
if (AHIReq[1] == NULL) {
goto err;
}

if (OpenDevice((CONST_STRPTR)AHINAME, AHI_DEFAULT_UNIT,
(struct IORequest *)AHIReq[0], 0) != 0) {
goto err;
}

if (options->format & XMP_FORMAT_8BIT) {
fmt = options->format & XMP_FORMAT_MONO ? AHIST_M8S : AHIST_S8S;
} else {
fmt = options->format & XMP_FORMAT_MONO ? AHIST_M16S : AHIST_S16S;
}

AHIReq[0]->ahir_Std.io_Command = CMD_WRITE;
AHIReq[0]->ahir_Std.io_Data = NULL;
AHIReq[0]->ahir_Std.io_Offset = 0;
AHIReq[0]->ahir_Frequency = options->rate;
AHIReq[0]->ahir_Type = fmt;
AHIReq[0]->ahir_Volume = 0x10000;
AHIReq[0]->ahir_Position = 0x8000;

CopyMem(AHIReq[0], AHIReq[1], sizeof(struct AHIRequest));

AHIBuf[0] = AllocVec(BUFFERSIZE, SHAREDMEMFLAG | MEMF_CLEAR);
AHIBuf[1] = AllocVec(BUFFERSIZE, SHAREDMEMFLAG | MEMF_CLEAR);
if (AHIBuf[0] == NULL || AHIBuf[1] == NULL) {
goto err;
}

options->format &= ~XMP_FORMAT_UNSIGNED;
options->format &= ~XMP_FORMAT_32BIT;
active = 0;
return 0;

err:
close_libs();
return -1;
}

static void deinit(void) {
closeLibs();
static void deinit(void)
{
close_libs();
}

static void play(void *b, int len) {
signed char *in = (signed char *)b;
int chunk;
while (len > 0) {
if (AHIReq[active]->ahir_Std.io_Data) {
WaitIO((struct IORequest *) AHIReq[active]);
}
chunk = (len < BUFFERSIZE)? len : BUFFERSIZE;
memcpy(AHIBuf[active], in, chunk);
len -= chunk;
in += chunk;

AHIReq[active]->ahir_Std.io_Data = AHIBuf[active];
AHIReq[active]->ahir_Std.io_Length = chunk;
AHIReq[active]->ahir_Link = !CheckIO((struct IORequest *) AHIReq[active ^ 1]) ? AHIReq[active ^ 1] : NULL;
SendIO((struct IORequest *)AHIReq[active]);
active ^= 1;
}
static void play(void *b, int len)
{
signed char *in = (signed char *)b;
int chunk;

while (len > 0) {
if (AHIReq[active]->ahir_Std.io_Data) {
WaitIO((struct IORequest *) AHIReq[active]);
}
chunk = (len < BUFFERSIZE) ? len : BUFFERSIZE;
memcpy(AHIBuf[active], in, chunk);
len -= chunk;
in += chunk;

AHIReq[active]->ahir_Std.io_Data = AHIBuf[active];
AHIReq[active]->ahir_Std.io_Length = chunk;
AHIReq[active]->ahir_Link =
CheckIO((struct IORequest *) AHIReq[active ^ 1]) == NULL ?
AHIReq[active ^ 1] : NULL;
SendIO((struct IORequest *) AHIReq[active]);
active ^= 1;
}
}

static void flush(void) {
static void flush(void)
{
}

static void onpause(void) {
static void onpause(void)
{
}

static void onresume(void) {
static void onresume(void)
{
}

static const char *description(void) {
return "Amiga AHI audio";
static const char *description(void)
{
return "Amiga AHI audio";
}

const struct sound_driver sound_ahi = {
"ahi",
NULL,
description,
init,
deinit,
play,
flush,
onpause,
onresume
"ahi",
NULL,
description,
init,
deinit,
play,
flush,
onpause,
onresume
};