bool operator==(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y)
{
// the semantics for equality are:
// 1) Values must match exactly
// 2) wildcard's are ignored in the comparison
#define MATCH(name) ((x.name) == 0 || (y.name) == 0 || (x.name) == (y.name))
return
// check the sample rate
(fiszero(x.mSampleRate) || fiszero(y.mSampleRate) || fequal(x.mSampleRate, y.mSampleRate))
// check the format ids
&& MATCH(mFormatID)
// check the format flags
&& MatchFormatFlags(x, y)
// check the bytes per packet
&& MATCH(mBytesPerPacket)
// check the frames per packet
&& MATCH(mFramesPerPacket)
// check the bytes per frame
&& MATCH(mBytesPerFrame)
// check the channels per frame
&& MATCH(mChannelsPerFrame)
// check the channels per frame
&& MATCH(mBitsPerChannel) ;
}
Boolean FormatIsEqual(AudioStreamBasicDescription x, AudioStreamBasicDescription y)
{
// the semantics for equality are:
// 1) Values must match exactly
// 2) wildcard's are ignored in the comparison
#define MATCH(name) ((x.name) == 0 || (y.name) == 0 || (x.name) == (y.name))
return
((x.mSampleRate==0.) || (y.mSampleRate==0.) || (x.mSampleRate==y.mSampleRate))
&& MATCH(mFormatID)
&& MatchFormatFlags(x, y)
&& MATCH(mBytesPerPacket)
&& MATCH(mFramesPerPacket)
&& MATCH(mBytesPerFrame)
&& MATCH(mChannelsPerFrame)
&& MATCH(mBitsPerChannel) ;
}
