imx6q使用gstreamer播放MP3，音质很差，求指导

只看该作者 · 2014-10-20 15:48

我使用的开发板是官方的MCIMX6Q-SDB，使用编译的gstreamer的gplay播放mp3文件，前奏部分还算可以，但到人声部分，音质明显变差，按照此款cpu的性能，不至于啊。请问是需要什么播放选项的设置吗？大侠们能否给予指点，谢谢！
root@freescale /$ gplay hktk.mp3
playbin2 is employed!
fsl_player_init(): Successfully initialize!
fsl_player_set_media_location(): filename=hktk.mp3
[Stopped  ][Vol=01][00:00:00/00:00:00][fps:0]FOUND GST_MESSAGE_TAG!
ID3v2 frame: buffer of 25 bytes, type: application/x-gst-id3v2-tpe1-frame, version=(int)3
            : buffer of 21 bytes, type: application/x-gst-id3v2-talb-frame, version=(int)3
            : buffer of 21 bytes, type: application/x-gst-id3v2-tit2-frame, version=(int)3
            : buffer of 33 bytes, type: application/x-gst-id3v2-tyer-frame, version=(int)3
            : buffer of 79 bytes, type: application/x-gst-id3v2-txxx-frame, version=(int)3
      image: buffer of 44163 bytes, type: image/jpeg, width=(int)240, height=(int)240, image-type=(GstTagImageType)GST_TAG_IMAGE_TYPE_FRONT_COVER
container format: ID3 tag
Beep: 3.0.7
Core: MP3 decoder Wrapper  build on Mar 15 2013 09:57:40
  mime: audio/mpeg, mpegversion = (int)1
  file: /usr/lib/imx-mm/audio-codec/wrap/lib_mp3d_wrap_arm12_elinux.so
CODEC: BLN_MAD-MMCODECS_MP3D_ARM_02.13.00_CORTEX-A8  build on Dec  5 2012 09:45:19.
FOUND GST_MESSAGE_TAG!
      bitrate: 128000
FOUND GST_MESSAGE_TAG!
audio codec: MPEG 1 Audio, Layer 3 (MP3)
FOUND GST_MESSAGE_TAG!
      has crc: FALSE
channel mode: joint-stereo
FOUND GST_MESSAGE_TAG!
minimum bitrate: 128012
      bitrate: 128000
maximum bitrate: 128012
FOUND GST_MESSAGE_TAG!
number of channels: 2
      bitrate: 128000
sampling frequency (Hz): 44100
audio codec: MPEG-1 Layer 3
FOUND GST_MESSAGE_TAG!
minimum bitrate: 127706
fsl_player_play()

FSL_PLAYER_01.00_LINUX build on Oct 14 2014 17:30:03
      [h]display the operation Help
      [p]Play
      Stop
      [e]Seek
      [a]Pause when playing, play when paused
      [v]Volume
      [m]Switch to mute or not
      [>]Play next file
      [<]Play previous file
      [r]Switch to repeated mode or not
      [f]Set full screen or not
      [z]resize the width and height
      [t]Rotate
      [c]Setting play rate
      Display the metadata
      [x]eXit
get GST_MESSAGE_ELEMENT playbin2-stream-changed, uri=(string)file:////hktk.mp3;
[Playing  ][Vol=01][00:00:35/00:05:25][fps:0]x
FSL_PLAYER_UI_MSG_EXIT
fsl_player_stop()
player_exit(): No more multimedia files, exit.
g_main_loop_thread_fun() quit!
fsl_player_deinit
root@freescale /$