Hi I want to output external video from a tv encoder card (USB) to the screen. It works, but it uses too much CPU power. If the stream is played back at 25fps it uses 100% CPU. With 15fps it is about 50%. When I instead use a webcam, I can reach 25fps with about 50% only. So I guess it is somehow the internal processing. Is there a way to optimize it? This is the output from mplayer from the tv card (15fps), and below is the output from the webcam (25fps). Thanks, Michael TV Card (15fps, 50% CPU): MPlayer 1.0rc2-4.3.2-DFSG-free (C) 2000-2007 MPlayer Team CPU: Geode(TM) Integrated Processor by AMD PCS (Family: 5, Model: 10, Stepping: 2) CPUflags: MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 0 SSE2: 0 Compiled with runtime CPU detection. get_path('codecs.conf') -> '/home/omni/.mplayer/codecs.conf' Reading /home/omni/.mplayer/codecs.conf: Can't open '/home/omni/.mplayer/codecs.conf': No such file or directory Reading /etc/mplayer/codecs.conf: Can't open '/etc/mplayer/codecs.conf': No such file or directory Using built-in default codecs.conf. Configuration: --prefix=/usr --confdir=/etc/mplayer -- datadir=/usr/share/mplayer --codecsdir=/usr/lib/codecs --enable-xvmc -- enable-sdl --enable-ossaudio --enable-lirc --enable-gui --enable-freetype -- enable-menu --enable-largefiles --disable-bitmap-font --disable-ggi -- disable-xvid --language=all --disable-xmms --disable-arts --disable-aa -- disable-mad --disable-libdv --enable-libavutil_so --enable-libavcodec_so -- enable-libavformat_so --enable-libpostproc_so --disable-faad-internal -- enable-faad-external --target=i586-linux --enable-win32dll --enable-real -- enable-xanim --enable-runtime-cpudetection --disable-libdvdcss-internal -- enable-dvdread --disable-mencoder --enable-debug --enable-tv-v4l2 --enable- xmga --enable-mga --enable-3dfx --enable-tdfxfb --enable-fbdev CommandLine: '-vo' 'fbdev' 'tv://' '-tv' 'driver=v4l2:device=/dev/video0' '- vf' 'crop=640:420' '-fps' '15' '-v' init_freetype Using MMX (with tiny bit MMX2) Optimized OnScreenDisplay get_path('fonts') -> '/home/omni/.mplayer/fonts' Using nanosleep() timing get_path('input.conf') -> '/home/omni/.mplayer/input.conf' Can't open input config file /home/omni/.mplayer/input.conf: No such file or directory Can't open input config file /etc/mplayer/input.conf: No such file or directory Falling back on default (hardcoded) input config Setting up LIRC support... get_path('.conf') -> '/home/omni/.mplayer/.conf' Playing tv://. get_path('sub/') -> '/home/omni/.mplayer/sub/' STREAM: [tv] tv:// STREAM: Description: TV Input STREAM: Author: Benjamin Zores, Albeu STREAM: Comment: TV file format detected. Selected driver: v4l2 name: Video 4 Linux 2 input author: Martin Olschewski <olschewski@xxxxxxxxxxxxxxxx> comment: first try, more to come ;-) Selected device: Pinnacle Dazzle DVC 90/100/101/ Capabilites: video capture audio read/write streaming supported norms: 0 = NTSC; 1 = NTSC-M; 2 = NTSC-M-JP; 3 = NTSC-M-KR; 4 = NTSC-443; 5 = PAL; 6 = PAL-BG; 7 = PAL-H; 8 = PAL-I; 9 = PAL-DK; 10 = PAL-M; 11 = PAL-N; 12 = PAL-Nc; 13 = PAL-60; 14 = SECAM; 15 = SECAM-B; 16 = SECAM- G; 17 = SECAM-H; 18 = SECAM-DK; 19 = SECAM-L; 20 = SECAM-Lc; inputs: 0 = Composite1; 1 = S-Video; Current input: 0 Format YUYV (16 bits, 16bpp YUY2, 4:2:2, packed): Packed YUY2 Current format: YUYV v4l2: set format: YVU420 v4l2: set format: YUV420 v4l2: set format: UYVY v4l2: set format: YUYV v4l2: set input: 0 Selected norm : pal v4l2: set norm: PAL ==> Found video stream: 0 v4l2: get format: YUYV v4l2: get fps: 25.000000 v4l2: get width: 640 v4l2: get height: 480 Using a ring buffer for maximum 2 frames, 1 MB total size. v4l2: set Brightness: 128 [0, 255] v4l2: set Hue: 0 [-128, 127] v4l2: set Saturation: 64 [0, 127] v4l2: set Contrast: 64 [0, 127] [V] filefmt:9 fourcc:0x32595559 size:640x480 fps:25.00 ftime:=0.0400 get_path('sub/') -> '/home/omni/.mplayer/sub/' using /dev/fb0 Opening video filter: [crop w=640 h=420] Crop: 640 x 420, -1 ; -1 ========================================================================== Opening video decoder: [raw] RAW Uncompressed Video VDec: vo config request - 640 x 480 (preferred colorspace: Packed YUY2) Trying filter chain: crop vo Could not find matching colorspace - retrying with -vf scale... Opening video filter: [scale] SwScale params: -1 x -1 (-1=no scaling) Trying filter chain: scale crop vo VDec: using Packed YUY2 as output csp (no 0) Movie-Aspect is undefined - no prescaling applied. VO Config (640x480->640x480,flags=0,'MPlayer',0x32595559) REQ: flags=0x403 req=0x0 REQ: flags=0x403 req=0x400 VO: [fbdev] 640x420 => 640x420 BGR 16-bit VO: Description: Framebuffer Device VO: Author: Szabolcs Berecz <szabi@xxxxxxxxxxx> var info: xres: 640 yres: 480 xres_virtual: 640 yres_virtual: 480 xoffset: 0 yoffset: 0 bits_per_pixel: 16 grayscale: 0 red: 11 5 0 green: 5 6 0 blue: 0 5 0 transp: 0 0 0 nonstd: 0 fix info: framebuffer size: 8388608 bytes type: 0 type_aux: 0 visual: 2 line_length: 1280 bytes fb_bpp: 16 fb_pixel_size: 2 bytes other: in_width: 640 in_height: 420 out_width: 640 out_height: 420 first_row: 0 last_row: 420 pixel per line: 640 Selected video codec: [rawyuy2] vfm: raw (RAW YUY2) ========================================================================== Audio: no sound Freeing 0 unused audio chunks. FPS forced to be 15.000 (ftime: 0.067). Starting playback... v4l2: going to capture *** [scale] Exporting mp_image_t, 640x480x16bpp YUV packed, 614400 bytes *** [crop] Allocating mp_image_t, 640x480x16bpp BGR packed, 614400 bytes *** [vo] Exporting mp_image_t, 640x420x16bpp BGR packed, 537600 bytes Unicode font: 4929 glyphs. Webcam (25fps, 50% CPU): MPlayer 1.0rc2-4.3.2-DFSG-free (C) 2000-2007 MPlayer Team CPU: Geode(TM) Integrated Processor by AMD PCS (Family: 5, Model: 10, Stepping: 2) CPUflags: MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 0 SSE2: 0 Compiled with runtime CPU detection. get_path('codecs.conf') -> '/home/omni/.mplayer/codecs.conf' Reading /home/omni/.mplayer/codecs.conf: Can't open '/home/omni/.mplayer/codecs.conf': No such file or directory Reading /etc/mplayer/codecs.conf: Can't open '/etc/mplayer/codecs.conf': No such file or directory Using built-in default codecs.conf. Configuration: --prefix=/usr --confdir=/etc/mplayer -- datadir=/usr/share/mplayer --codecsdir=/usr/lib/codecs --enable-xvmc -- enable-sdl --enable-ossaudio --enable-lirc --enable-gui --enable-freetype -- enable-menu --enable-largefiles --disable-bitmap-font --disable-ggi -- disable-xvid --language=all --disable-xmms --disable-arts --disable-aa -- disable-mad --disable-libdv --enable-libavutil_so --enable-libavcodec_so -- enable-libavformat_so --enable-libpostproc_so --disable-faad-internal -- enable-faad-external --target=i586-linux --enable-win32dll --enable-real -- enable-xanim --enable-runtime-cpudetection --disable-libdvdcss-internal -- enable-dvdread --disable-mencoder --enable-debug --enable-tv-v4l2 --enable- xmga --enable-mga --enable-3dfx --enable-tdfxfb --enable-fbdev CommandLine: '-vo' 'fbdev' 'tv://' '-tv' 'driver=v4l2:device=/dev/video0' '- vf' 'crop=640:420' '-v' init_freetype Using MMX (with tiny bit MMX2) Optimized OnScreenDisplay get_path('fonts') -> '/home/omni/.mplayer/fonts' Using nanosleep() timing get_path('input.conf') -> '/home/omni/.mplayer/input.conf' Can't open input config file /home/omni/.mplayer/input.conf: No such file or directory Can't open input config file /etc/mplayer/input.conf: No such file or directory Falling back on default (hardcoded) input config Setting up LIRC support... get_path('.conf') -> '/home/omni/.mplayer/.conf' Playing tv://. get_path('sub/') -> '/home/omni/.mplayer/sub/' STREAM: [tv] tv:// STREAM: Description: TV Input STREAM: Author: Benjamin Zores, Albeu STREAM: Comment: TV file format detected. Selected driver: v4l2 name: Video 4 Linux 2 input author: Martin Olschewski <olschewski@xxxxxxxxxxxxxxxx> comment: first try, more to come ;-) Selected device: UVC Camera (046d:0990) Capabilites: video capture streaming supported norms: inputs: 0 = Camera 1; Current input: 0 Format MJPEG ( 0 bits, MJPEG): Unknown 0x47504a4d Format YUYV (16 bits, YUV 4:2:2 (YUYV)): Packed YUY2 Current format: MJPEG v4l2: set format: YVU420 v4l2: set format: YUV420 v4l2: set format: UYVY v4l2: set format: YUYV v4l2: set input: 0 Selected norm : pal ==> Found video stream: 0 v4l2: get format: YUYV v4l2: get fps: nan v4l2: get width: 640 v4l2: get height: 480 Using a ring buffer for maximum 2 frames, 1 MB total size. v4l2: set Brightness: 128 [0, 255] v4l2: set Saturation: 32 [0, 255] v4l2: set Contrast: 32 [0, 255] [V] filefmt:9 fourcc:0x32595559 size:640x480 fps: nan ftime:= nan get_path('sub/') -> '/home/omni/.mplayer/sub/' using /dev/fb0 Opening video filter: [crop w=640 h=420] Crop: 640 x 420, -1 ; -1 ========================================================================== Opening video decoder: [raw] RAW Uncompressed Video VDec: vo config request - 640 x 480 (preferred colorspace: Packed YUY2) Trying filter chain: crop vo Could not find matching colorspace - retrying with -vf scale... Opening video filter: [scale] SwScale params: -1 x -1 (-1=no scaling) Trying filter chain: scale crop vo VDec: using Packed YUY2 as output csp (no 0) Movie-Aspect is undefined - no prescaling applied. VO Config (640x480->640x480,flags=0,'MPlayer',0x32595559) REQ: flags=0x403 req=0x0 REQ: flags=0x403 req=0x400 VO: [fbdev] 640x420 => 640x420 BGR 16-bit VO: Description: Framebuffer Device VO: Author: Szabolcs Berecz <szabi@xxxxxxxxxxx> var info: xres: 640 yres: 480 xres_virtual: 640 yres_virtual: 480 xoffset: 0 yoffset: 0 bits_per_pixel: 16 grayscale: 0 red: 11 5 0 green: 5 6 0 blue: 0 5 0 transp: 0 0 0 nonstd: 0 fix info: framebuffer size: 8388608 bytes type: 0 type_aux: 0 visual: 2 line_length: 1280 bytes fb_bpp: 16 fb_pixel_size: 2 bytes other: in_width: 640 in_height: 420 out_width: 640 out_height: 420 first_row: 0 last_row: 420 pixel per line: 640 Selected video codec: [rawyuy2] vfm: raw (RAW YUY2) ========================================================================== Audio: no sound Freeing 0 unused audio chunks. Starting playback... v4l2: going to capture *** [scale] Exporting mp_image_t, 640x480x16bpp YUV packed, 614400 bytes *** [crop] Allocating mp_image_t, 640x480x16bpp BGR packed, 614400 bytes *** [vo] Exporting mp_image_t, 640x420x16bpp BGR packed, 537600 bytes Unicode font: 4929 glyphs. _______________________________________________ MPlayer-users mailing list MPlayer-users@xxxxxxxxxxxx https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users