playing video from browser in android running on beagle board

Dear All,

I have android running on beagle board.
Using browser, when i play video from m.youtube.com, i get following messages and video does not play and screen becomes blank.

V/ActivityThread( 995): Resuming ActivityRecord{436f6480 token=android.os.BinderProxy@436f6090 {com.android.camera/com.ande
I/MediaPlayer-JNI( 995): prepareAsync: surface=0xc8808 (id=1)
I/ActivityManager( 814): Displayed activity com.android.camera/.MovieView: 2708 ms
D/dalvikvm( 814): GC freed 3287 objects / 182488 bytes in 62ms
D/dalvikvm( 964): GC freed 2953 objects / 451800 bytes in 58ms
W/PlayerDriver( 789): Using generic video MIO
V/VideoMIO( 789): CloseFrameBuf
V/VideoMIO( 789): setParametersSync
V/VideoMIO( 789): setParametersSync
V/VideoMIO( 789): setParametersSync
V/VideoMIO( 789): setParametersSync
V/VideoMIO( 789): iVideoWidth=176
V/VideoMIO( 789): setParametersSync
V/VideoMIO( 789): iVideoHeight=144
V/VideoMIO( 789): setParametersSync
V/VideoMIO( 789): iVideoDisplayWidth=176
V/VideoMIO( 789): setParametersSync
V/VideoMIO( 789): iVideoDisplayHeight=144
V/VideoMIO( 789): setParametersSync
V/VideoMIO( 789): VIDEO SUBFORMAT SET TO X-YUV-420-PLANAR
V/VideoMIO( 789): CloseFrameBuf
V/VideoMIO( 789): using software codec
E/MemoryHeapBase( 789): error opening /dev/pmem_adsp: No such file or directory
E/VideoMIO( 789): Error creating frame buffer heap
E/ALSALib ( 789): external/alsa-lib/src/pcm/pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM AndroidPlayback_Speaker_normal
E/ALSALib ( 789): external/alsa-lib/src/pcm/pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM AndroidPlayback_Speaker
E/ALSALib ( 789): external/alsa-lib/src/pcm/pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM AndroidPlayback
I/AudioHardwareALSA( 789): Initialized ALSA PLAYBACK device AndroidPlayback
D/AudioHardwareALSA( 789): Set PLAYBACK PCM format to S16_LE (Signed 16 bit Little Endian)
D/AudioHardwareALSA( 789): Using 2 channels for PLAYBACK.
D/AudioHardwareALSA( 789): Set PLAYBACK sample rate to 44100 HZ
V/VideoMIO( 789): initializing for hardware

What is this /dev/pmem_adsp and how to create it.
Is there anything related with beagle kernel (2.6.27 from git mentioned in beagle wiki) or related with android framework.

Using software codec means what, it will open which codec.
Also initializing hardware what it means.

Regards,
HarishKumar.V