SCErr meth_b_query(World *inWorld, int inSize, char *inData, ReplyAddress *inReply)
{
sc_msg_iter msg(inSize, inData);
small_scpacket packet;
int numbufs = msg.remain() >> 2;
packet.adds("/b_info");
packet.maketags(numbufs * 4 + 1);
packet.addtag(',');
while (msg.remain()) {
int bufindex = msg.geti();
SndBuf* buf = World_GetBuf(inWorld, bufindex);
packet.addtag('i');
packet.addtag('i');
packet.addtag('i');
packet.addtag('f');
packet.addi(bufindex);
packet.addi(buf->frames);
packet.addi(buf->channels);
packet.addf(buf->samplerate);
}
if (packet.size()) {
CallSequencedCommand(SendReplyCmd, inWorld, packet.size(), packet.data(), inReply);
}
return kSCErr_None;
}
bool BufGenCmd::Stage3()
{
SndBuf* buf = World_GetBuf(mWorld, mBufIndex);
*buf = mSndBuf;
mWorld->mSndBufUpdates[mBufIndex].writes ++ ;
return true;
}
SCErr meth_b_fill(World *inWorld, int inSize, char *inData, ReplyAddress* /*inReply*/)
{
sc_msg_iter msg(inSize, inData);
int bufindex = msg.geti();
SndBuf* buf = World_GetBuf(inWorld, bufindex);
if (!buf) return kSCErr_Failed;
float *data = buf->data;
int numSamples = buf->samples;
while (msg.remain() >= 12)
{
int32 start = msg.geti();
int32 n = msg.geti();
float32 value = msg.getf();
int32 end = start+n-1;
if (end < 0 || start >= numSamples) continue;
start = sc_clip(start, 0, numSamples-1);
end = sc_clip(end, 0, numSamples-1);
for (int i=start; i<=end; ++i) data[i] = value;
}
return kSCErr_None;
}
bool BufAllocCmd::Stage3()
{
SndBuf* buf = World_GetBuf(mWorld, mBufIndex);
*buf = mSndBuf;
mWorld->mSndBufUpdates[mBufIndex].writes ++ ;
SEND_COMPLETION_MSG;
return true;
}
SCErr meth_b_getn(World *inWorld, int inSize, char *inData, ReplyAddress* inReply)
{
sc_msg_iter msg(inSize, inData);
int bufindex = msg.geti();
SndBuf* buf = World_GetBuf(inWorld, bufindex);
if (!buf) return kSCErr_Failed;
float *data = buf->data;
int32 maxIndex = buf->samples;
// figure out how many tags to allocate
int numcontrols = 0;
int numheads = msg.remain() >> 3;
while (msg.remain()) {
msg.geti(); // skip start
int32 n = msg.geti();
numcontrols += n;
}
big_scpacket packet;
packet.adds("/b_setn");
packet.maketags(numheads * 2 + numcontrols + 2);
packet.addtag(',');
// start over at beginning of message
msg.init(inSize, inData);
msg.geti(); // skip buf index
packet.addtag('i');
packet.addi(bufindex);
while (msg.remain()) {
int32 start = msg.geti();
int32 n = msg.geti();
int32 end = start+n-1;
if (start < 0 || end >= maxIndex || start > end)
return kSCErr_IndexOutOfRange;
packet.addtag('i');
packet.addtag('i');
packet.addi(start);
packet.addi(n);
for (int i=start; i<=end; ++i) {
packet.addtag('f');
packet.addf(data[i]);
}
}
if (packet.size()) {
CallSequencedCommand(SendReplyCmd, inWorld, packet.size(), packet.data(), inReply);
}
return kSCErr_None;
}
bool BufReadChannelCmd::Stage3()
{
SndBuf* buf = World_GetBuf(mWorld, mBufIndex);
buf->samplerate = mSampleRate;
if (mLeaveFileOpen) buf->mask = buf->mask1 = -1;
mWorld->mSndBufUpdates[mBufIndex].writes ++ ;
SEND_COMPLETION_MSG;
return true;
}
bool BufFreeCmd::Stage3()
{
SndBuf *buf = World_GetBuf(mWorld, mBufIndex);
SndBuf_Init(buf);
mWorld->mSndBufUpdates[mBufIndex].writes ++ ;
SEND_COMPLETION_MSG;
return true;
}
SCErr meth_b_set(World *inWorld, int inSize, char *inData, ReplyAddress* /*inReply*/)
{
sc_msg_iter msg(inSize, inData);
int bufindex = msg.geti();
SndBuf* buf = World_GetBuf(inWorld, bufindex);
if (!buf) return kSCErr_Failed;
float *data = buf->data;
uint32 numSamples = buf->samples;
while (msg.remain() >= 8)
{
uint32 sampleIndex = msg.geti();
float32 value = msg.getf();
if (sampleIndex < numSamples)
{
data[sampleIndex] = value;
} else return kSCErr_IndexOutOfRange;
}
return kSCErr_None;
}
SCErr meth_b_get(World *inWorld, int inSize, char *inData, ReplyAddress* inReply)
{
sc_msg_iter msg(inSize, inData);
int bufindex = msg.geti();
SndBuf* buf = World_GetBuf(inWorld, bufindex);
if (!buf) return kSCErr_Failed;
float *data = buf->data;
uint32 maxIndex = buf->samples;
int numheads = msg.remain() >> 2;
big_scpacket packet;
packet.adds("/b_set");
packet.maketags(numheads * 2 + 2);
packet.addtag(',');
packet.addtag('i');
packet.addi(bufindex);
while (msg.remain() >= 4)
{
uint32 index = msg.geti();
if (index >= maxIndex)
return kSCErr_IndexOutOfRange;
packet.addtag('i');
packet.addtag('f');
packet.addi(index);
packet.addf(data[index]);
}
if (packet.size()) {
CallSequencedCommand(SendReplyCmd, inWorld, packet.size(), packet.data(), inReply);
}
return kSCErr_None;
}