Properly handle the amount of data processed
Properly handle the amount of data processed

Seems to be how avcodec_decode_audio3() is supposed to be used.

Signed-off-by: Felipe Contreras <de77a8b9cd239b204c19c52ed62e48ab47243362@gmail.com>

felipec/gst-av,felipec/gst-av,felipec/gst-av