xbmc mythtv stuttering

17:18:09 T:140468043847552  NOTICE: DVDPlayer: Opening: myth://xxxx:xxx@192.168.0.100:6543/tvshows/2 Broke Girls/3511_20120319213000.mpg
17:18:09 T:140468043847552 WARNING: CDVDMessageQueue(player)::Put MSGQ_NOT_INITIALIZED
17:18:09 T:140467193186048  NOTICE: Creating InputStream
17:18:09 T:140467193186048  NOTICE: Creating Demuxer
17:18:22 T:140467193186048  NOTICE: Opening video stream: 0 source: 256
17:18:22 T:140467193186048  NOTICE: Creating video codec with codec id: 2
17:18:22 T:140467193186048  NOTICE: CDVDVideoCodecFFmpeg::Open() Using codec: MPEG-2 video
17:18:22 T:140467193186048  NOTICE: Creating video thread
17:18:22 T:140467193186048  NOTICE: Opening audio stream: 1 source: 256
17:18:22 T:140467193186048  NOTICE: Finding audio codec for: 86019
17:18:22 T:140467193186048  NOTICE: Creating audio thread
17:18:22 T:140467475519232  NOTICE: running thread: video_thread
17:18:22 T:140467274495744  NOTICE: running thread: CDVDPlayerAudio::Process()
17:18:22 T:140467274495744   ERROR: CDVDPlayerAudio::DecodeFrame - Decode Error. Skipping audio packet
17:18:22 T:140467274495744  NOTICE: Creating audio device with codec id: 86019, channels: 6, sample rate: 48000, no pass-through
17:18:22 T:140467475519232  NOTICE:  fps: 29.970030, pwidth: 1920, pheight: 1080, dwidth: 1920, dheight: 1080
17:18:22 T:140467475519232 WARNING: CRenderManager::Configure - timeout waiting for previous frame
17:18:22 T:140467475519232  NOTICE: Display resolution DESKTOP : 1920x1080 @ 59.99 - Full Screen (12)
17:18:23 T:140468043847552  NOTICE: Using GL_TEXTURE_2D
17:18:23 T:140468043847552  NOTICE: GL: Shaders support not present, falling back to SW mode
17:18:23 T:140468043847552  NOTICE: GL: NPOT texture support detected
17:18:23 T:140467274495744 WARNING: CDVDMessageQueue(audio)::Get - asked for new data packet, with nothing available
17:18:23 T:140467475519232 WARNING: CDVDMessageQueue(video)::Get - asked for new data packet, with nothing available
17:18:25 T:140468043847552  NOTICE: GL: Using GL_ARB_pixel_buffer_object
17:18:27 T:140467274495744 WARNING: CDVDMessageQueue(audio)::Get - asked for new data packet, with nothing available
17:18:28 T:140467475519232 WARNING: Previous line repeats 1 times.