Many thanks for the replies - output from the two files below:


MPlayer SVN-r1.0~rc3+svn20090426-4.4.3 (C) 2000-2009 MPlayer Team
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing Top_Gear_Series_15_-_Episode_1_b00syxz4_default.mp4.
libavformat file format detected.
ID_VIDEO_ID=0
[lavf] Video stream found, -vid 0
ID_AUDIO_ID=1
[lavf] Audio stream found, -aid 1
VIDEO: [avc1] 640x372 24bpp 25.000 fps 0.0 kbps ( 0.0 kbyte/s)
Clip info:
name: Top Gear
ID_CLIP_INFO_NAME0=name
ID_CLIP_INFO_VALUE0=Top Gear
author: Top Gear
ID_CLIP_INFO_NAME1=author
ID_CLIP_INFO_VALUE1=Top Gear
comments: Jeremy Clarkson asks why there aren't more three-wheeled cars in the world.
ID_CLIP_INFO_NAME2=comments
ID_CLIP_INFO_VALUE2=Jeremy Clarkson asks why there aren't more three-wheeled cars in the world.
genre: Factual,Cars & Motors
ID_CLIP_INFO_NAME3=genre
ID_CLIP_INFO_VALUE3=Factual,Cars & Motors
ID_CLIP_INFO_N=4
ID_FILENAME=Top_Gear_Series_15_-_Episode_1_b00syxz4_default.mp4
ID_DEMUXER=lavfpref
ID_VIDEO_FORMAT=avc1
ID_VIDEO_BITRATE=0
ID_VIDEO_WIDTH=640
ID_VIDEO_HEIGHT=372
ID_VIDEO_FPS=25.000
ID_VIDEO_ASPECT=0.0000
ID_AUDIO_FORMAT=255
ID_AUDIO_BITRATE=0
ID_AUDIO_RATE=48000
ID_AUDIO_NCH=2
ID_LENGTH=3783.98
ID_SEEKABLE=1
ID_CHAPTERS=0
open: No such file or directory
[MGA] Couldn't open: /dev/mga_vid
open: No such file or directory
[MGA] Couldn't open: /dev/mga_vid
[VO_TDFXFB] Can't open /dev/fb0: Permission denied.
[VO_3DFX] Unable to open /dev/3dfx.
================================================== ========================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)
================================================== ========================
ID_VIDEO_CODEC=ffh264
================================================== ========================
Opening audio decoder: [faad] AAC (MPEG2/4 Advanced Audio Coding)
FAAD: compressed input bitrate missing, assuming 128kbit/s!
AUDIO: 48000 Hz, 2 ch, s16le, 128.0 kbit/8.33% (ratio: 16000->192000)
ID_AUDIO_BITRATE=128000
ID_AUDIO_RATE=48000
ID_AUDIO_NCH=2
Selected audio codec: [faad] afm: faad (FAAD AAC (MPEG-2/MPEG-4 Audio))
================================================== ========================
AO: [pulse] 48000Hz 2ch s16le (2 bytes per sample)
ID_AUDIO_CODEC=faad
Starting playback...


Exiting... (End of file)
ID_EXIT=EOF










Playing Newport.
libavformat file format detected.
ID_VIDEO_ID=0
[lavf] Video stream found, -vid 0
ID_AUDIO_ID=1
[lavf] Audio stream found, -aid 1
VIDEO: [H264] 450x360 0bpp 25.000 fps 465.2 kbps (56.8 kbyte/s)
ID_FILENAME=Newport
ID_DEMUXER=lavfpref
ID_VIDEO_FORMAT=H264
ID_VIDEO_BITRATE=465208
ID_VIDEO_WIDTH=450
ID_VIDEO_HEIGHT=360
ID_VIDEO_FPS=25.000
ID_VIDEO_ASPECT=1.2500
ID_AUDIO_FORMAT=255
ID_AUDIO_BITRATE=0
ID_AUDIO_RATE=44100
ID_AUDIO_NCH=2
ID_LENGTH=216.76
ID_SEEKABLE=1
ID_CHAPTERS=0
open: No such file or directory
[MGA] Couldn't open: /dev/mga_vid
open: No such file or directory
[MGA] Couldn't open: /dev/mga_vid
[VO_TDFXFB] Can't open /dev/fb0: Permission denied.
[VO_3DFX] Unable to open /dev/3dfx.
================================================== ========================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)
================================================== ========================
ID_VIDEO_CODEC=ffh264
================================================== ========================
Opening audio decoder: [faad] AAC (MPEG2/4 Advanced Audio Coding)
FAAD: compressed input bitrate missing, assuming 128kbit/s!
AUDIO: 44100 Hz, 2 ch, s16le, 128.0 kbit/9.07% (ratio: 16000->176400)
ID_AUDIO_BITRATE=128000
ID_AUDIO_RATE=44100
ID_AUDIO_NCH=2
Selected audio codec: [faad] afm: faad (FAAD AAC (MPEG-2/MPEG-4 Audio))
================================================== ========================
AO: [pulse] 44100Hz 2ch s16le (2 bytes per sample)
ID_AUDIO_CODEC=faad
Starting playback...


Exiting... (End of file)
ID_EXIT=EOF






The first is from bbc iplayer, the second a flash from youtube.

I haven't tried to play through any other player apart from the default.

All best,

Duncan.