[alsa-devel] [tinycompress]how should I call compress_open for aac ltp file playback?

[Keyon.Jey]

I am trying to use tinycompress for hwdecoder. everything works fine, 
but after compress_open (with profile = SND_AUDIOPROFILE_AAC level=0 
ch_mode=0 rate_control=0), the playback of my aac-ltp-16bit-48KHz-Stereo 
file is faster than it should be.  Am I wrong?

struct snd_codec {
  __u32 id;
  __u32 ch_in;
  __u32 ch_out;
  __u32 sample_rate;
  __u32 bit_rate;
  __u32 rate_control;
  __u32 profile;
  __u32 level;
  __u32 ch_mode;
  __u32 format;
  __u32 align;
  union snd_codec_options options;
  __u32 reserved[3];
};

Keyon