aac->m_vft->audio_configure(aac->m_ifptr,
aac->m_freq,
aac->m_chans,
AUDIO_S16SYS,
AUDIO_FMT_S16,
aac->m_output_frame_size);
uint8_t *now = aac->m_vft->audio_get_buffer(aac->m_ifptr);
aac->m_audio_inited = 1;