Julian Oliver kirjoitti: > while picture quality is excellent (for a webcam especially), i'm a bit > disappointed with frame rate compared to my other cameras, especially in > low-light conditions. in a well lit environment, i get around ~15 FPS while > when the light is low, only 8-10 FPS (tested with luvcview) at 320x240. >
What you do think about this kind of quality? Same webcam. [EMAIL PROTECTED]:~$ ffmpeg -f video4linux2 -s 352x288 -r 30 -i /dev/video0 -an -vcodec mpeg4 out.avi [--] Input #0, video4linux2, from '/dev/video0': Duration: N/A, bitrate: 48660 kb/s Stream #0.0: Video: rawvideo, yuyv422, 352x288, 48660 kb/s, 30.00 fps(r) Output #0, avi, to 'out.avi': Stream #0.0: Video: mpeg4, yuv420p, 352x288, q=2-31, 200 kb/s, 30.00 fps(c) Stream mapping: Stream #0.0 -> #0.0 Press [q] to stop encoding frame= 264 q=14.6 Lsize= 641kB time=8.8 bitrate= 596.8kbits/s video:16kB audio:0kB global headers:0kB muxing overhead 3976.306966% [EMAIL PROTECTED]:~$ file out.avi out.avi: RIFF (little-endian) data, AVI, 352 x 288, 30.00 fps, video: FFMpeg MPEG-4 [EMAIL PROTECTED]:~$ ls -l out.avi -rw-r--r-- 1 asmok asmok 656530 2007-12-15 19:52 out.avi [EMAIL PROTECTED]:~$ http://www.arkki.info/howto/LogitechPro9000/out.avi I think that is quite good...no sunlight or extra lights. I'm not any kind of expert or developer - how I can know real fps? Best Regards Asmo Koskinen. _______________________________________________ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
