switch (mChannelLayoutTag) {
case kAudioChannelLayoutTag_UseChannelBitmap:
- ENSURE(bitcount(mask) == nchannels);
+ ENSURE(bitcount(mChannelBitmap) == nchannels);
TRY_IO(pcm_skip(io, chunk_size - 12));
fmt->channel_mask = mChannelBitmap;
for (i = 0; i < nchannels; ++i)