used by the amp filter to pre-amplify the audio stream.
- fix a close-without-open bug in para_write.
- fix a bug in com_init() which was introduced in 0.3.2.
used by the amp filter to pre-amplify the audio stream.
- fix a close-without-open bug in para_write.
- fix a bug in com_init() which was introduced in 0.3.2.