* Respect SampleCount metadata when rebuilding ogg files
Since Vorbis blocks are always one of two possible sizes, a Vorbis
container needs some other field to hold the actual number of samples in
the audio file. This change essentially copies the SampleCount FSB
metadata field to the ogg output.
* Respect SampleCount metadata when rebuilding wav files
FSB PCM files appear to be padded with zeroes, meaning the correct
number of samples to copy is the SampleCount value instead of just the
rest of the file.