On 28 Apr 09, at 21:11, yiling wu wrote:
I'm trying to use the NSOutputStream class to transfer some audio file
through Bonjour service which is implemented on the iPhone
simulator.I try
the following code with some small text files. It works well. But
there are
always some error occurs() when I try to send the bigger ones --
some audio
file.
Let me guess: All your test files were under 1kb.
uint8_t *readBytes = (uint8_t *)[myData bytes];
NSUInteger byteIndex = 0;
int myData_len = [myData length];
while (_outStream && [_outStream hasSpaceAvailable]) {
This loop condition makes no sense.
readBytes += byteIndex;
This should probably be "readBytes = byteIndex". Or eliminate the
extra variable entirely.
unsigned int len = ((myData_len - byteIndex >= 1024) ?
1024 :
(myData_len-byteIndex));
uint8_t buf[len];
(void)memcpy(buf, readBytes, len);
Come to think of it, why are you doing a memcpy at all? All of your
data is already in a buffer; there's no need to put it into another
buffer just to write it.
len = [_outStream write:(const uint8_t *)buf
maxLength:len];
byteIndex += len;
}
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