2. Bugfix/Optimization
- AACPlus:M4A format audio only can output about 1s audio, then keep silence
It is caused by AACPlus decoder because aacplus decoder
occupys much cpu time when decoding.
Add -O3 build option into aacplus decoder's build script to
optimize the code.
- Optimize the code
Cancel duplicated code in aac_dec/aacplus_dec.
Cancel unused code in flac_dec.
Signed-off-by: Yuqing Zhu <carol.zhu@nxp.com> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>