Nils Wallménius authored Nov 01, 2012 and Jean-Marc Valin committed Nov 05, 2012

Use the output buffer directly for imdct output, avoiding use of an
intermediary buffer and copying from it. This works because the output
buffer is offset to always be continous with the overlap buffer in the
decoder. Adjust encoder resynth code to have the same buffer layout.

Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>