20130703(duo2)
- Support transcoding bit/frame rate change(100K< bitrate< 5M, framerate=23976 24000 29970 30000 59940 60000 )
- Enable SD video when transcoding
- Support transcoding bit/frame rate change(100K< bitrate< 5M, framerate=23976 24000 29970 30000 59940 60000 )
- Enable SD video when transcoding