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ndsp: Make wavebuf handling more robust (and fix glaring omissions...)

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fincs 2020-06-22 22:47:53 +02:00
parent 2ff08fbac8
commit 03c41754e8
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GPG Key ID: 62C7609ADA219C60
1 changed files with 36 additions and 15 deletions
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51
libctru/source/ndsp/ndsp-channel.c
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@ -53,7 +53,11 @@ void ndspChnReset(int id)
chn->syncCount ++;
chn->waveBufSeqPos = 0;
chn->samplePos = 0;
chn->waveBuf = NULL;
while (chn->waveBuf)
{
chn->waveBuf->status = NDSP_WBUF_DONE;
chn->waveBuf = chn->waveBuf->next;
}
chn->wavBufCount = 0;
chn->wavBufIdNext = 0;
chn->wavBufSeq = 0;
@ -150,7 +154,11 @@ void ndspChnWaveBufClear(int id)
{
ndspChnSt* chn = &ndspChn[id];
LightLock_Lock(&chn->lock);
chn->waveBuf = NULL;
while (chn->waveBuf)
{
chn->waveBuf->status = NDSP_WBUF_DONE;
chn->waveBuf = chn->waveBuf->next;
}
chn->waveBufSeqPos = 0;
chn->wavBufCount = 0;
chn->wavBufIdNext = 0;
@ -167,6 +175,12 @@ void ndspChnWaveBufAdd(int id, ndspWaveBuf* buf)
if (!buf->nsamples) return;
LightLock_Lock(&chn->lock);
if (buf->status == NDSP_WBUF_QUEUED || buf->status == NDSP_WBUF_PLAYING)
{
// Wavebuf is already queued, avoid requeuing it...
LightLock_Unlock(&chn->lock);
return;
}
buf->next = NULL;
buf->status = NDSP_WBUF_QUEUED;
ndspWaveBuf* cb = chn->waveBuf;
@ -275,6 +289,7 @@ void ndspiInitChn(void)
{
LightLock_Init(&ndspChn[i].lock);
ndspChn[i].syncCount = 0;
ndspChn[i].waveBuf = NULL;
ndspChnReset(i);
}
}
@ -464,31 +479,37 @@ void ndspiReadChnState(void)
if (wb)
{
ndspWaveBuf* doneList = NULL;
if (chn->wavBufCount)
while (chn->wavBufCount)
{
while (wb->sequence_id != seqId)
u16 wbSeqId = wb->sequence_id;
if (wbSeqId == seqId)
{
chn->wavBufCount--;
bool shouldBreak = seqId == 0 && (wb->sequence_id == st->lastSeqId || st->lastSeqId == 0);
ndspWaveBuf* next = wb->next;
wb->next = doneList;
doneList = wb;
wb = next;
if (!wb || shouldBreak || chn->wavBufCount == 0)
break;
}
if (wb)
wb->status = NDSP_WBUF_PLAYING;
break;
}
chn->wavBufCount--;
ndspWaveBuf* next = wb->next;
wb->next = doneList;
doneList = wb;
wb = next;
if (seqId == 0 && (wbSeqId == st->lastSeqId || st->lastSeqId == 0))
break;
}
if (seqId == 0)
chn->wavBufCount = 0;
__dmb();
chn->waveBuf = wb;
for (; doneList; doneList = doneList->next)
doneList->status = NDSP_WBUF_DONE;
}
LightLock_Unlock(&chn->lock);
}
chn->playing = (st->flags & 0xFF) ? true : false;
chn->playing = (st->flags & 0xFF) == 1;
}
}
}