I have copy of Stargate in full HD weighing in at about 10.7 GB. Here is the full file info when opened in
mplayer: Symbol `ff_codec_bmp_tags' has different size in shared object, consider re-linking MPlayer SVN-r33713-4.6.1 (C) 2000-2011 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 Stargate.mkv. libavformat file format detected. [matroska,webm @ 0x9c6c2e0] max_analyze_duration reached [matroska,webm @ 0x9c6c2e0] Estimating duration from bitrate, this may be inaccurate [lavf] stream 0: video (h264), -vid 0 [lavf] stream 1: audio (dca), -aid 0, -alang eng, 3/2+1 [lavf] stream 2: subtitle (pgssub), -sid 0, -slang eng [lavf] stream 3: subtitle (pgssub), -sid 1, -slang spa [lavf] stream 4: subtitle (pgssub), -sid 2, -slang eng VIDEO: [H264] 1920x816 0bpp 23.976 fps 0.0 kbps ( 0.0 kbyte/s) Load subtitles in ./ 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. Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory [vdpau] Error when calling vdp_device_create_x11: 1 ========================================================================== Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264) ========================================================================== ========================================================================== Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders AUDIO: 48000 Hz, 2 ch, s16le, 1536.0 kbit/100.00% (ratio: 192000->192000) Selected audio codec: [ffdca] afm: ffmpeg (FFmpeg DTS) ========================================================================== AO: [pulse] 48000Hz 2ch s16le (2 bytes per sample) Starting playback... Unsupported PixelFormat 61 Unsupported PixelFormat 53 Movie-Aspect is 2.35:1 - prescaling to correct movie aspect. VO: [xv] 1920x816 => 1920x816 Planar YV12 A: 15.8 V: 15.8 A-V: -0.002 ct: 0.039 0/ 0 41% 2% 2.0% 2 0
I've noticed the video is a little choppy, as if a few of the frames are displayed at the correct frame rate, then a subsequent one pauses for a moment. This is most apparent in scenes where there is a slow consistent movement (if the movement is erratic, or the scene is hectic, it is hard to tell).
When I open my system monitor, mplayer is only using 50% of my CPU and my total CPU usage never exceeds 80%. Likewise, mplayer only uses 40 MB of memory, and total memory usage never exceeds 60%. This leads me to believe that my system is not the bottle neck here, but the
Is there a more definitive way for me to determine what is truly acting as the bottle neck? Furthermore, is there a way to turn on hardware acceleration and/or determine if hardware acceleration is enabled? If I could toggle this feature on/off, and the choppy playback disappears, then that will have answered my question.
System Specs: OS: Ubuntu Oneiric 11.10 CPU: AMD Phenom II X4 970 Black Edition AM3 CPU GPU: Radeon HD 4670 RAM: 4 GB DDR3