Verständnisfrage crop / scale - mencoder
Al Bogner <suse-multimedia-Wco+c2LKsy1DayIqkcHqbfyE8WyFmGdT@public.gmane.org>
| Newsgroups | gmane.linux.suse.multimedia.german |
|---|---|
| Message-ID | <[email protected]> |
Es geht um den Stream einer XSVCD: mplayer stream.dump MPEG-PS file format detected. VIDEO: MPEG2 704x576 (aspect 2) 25.000 fps 5000.0 kbps (625.0 kbyte/s) ========================================================================== Opening audio decoder: [mp3lib] MPEG layer-2, layer-3 AUDIO: 48000 Hz, 2 ch, s16le, 192.0 kbit/12.50% (ratio: 24000->192000) Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3) ========================================================================== AO: [oss] 48000Hz 2ch s16le (2 bytes per sample) Starting playback... Movie-Aspect is 1.33:1 - prescaling to correct movie aspect. VO: [vdpau] 704x576 => 768x576 Planar YV12 A: 2.6 V: 2.7 A-V: -0.019 ct: 0.058 63/ 63 10% 6% 0.8% 0 0 Das Bild hat schwarze Balken (abgeschnitten wegen beschädigter VHS-Kanten) crop=688:544:8:16 Daher habe ich so encodiert: mencoder stream.dump -ovc x264 -x264encopts qp=27:threads=auto:pass=1 -vf crop=688:544:8:16,yadif=0,softskip,harddup,hqdn3d,unsharp=l:5x5:0.5 -nosound - of rawvideo -o /dev/null mencoder stream.dump -ovc x264 -x264encopts qp=27:threads=auto:pass=2 -vf crop=688:544:8:16,yadif=0,softskip,harddup,hqdn3d,unsharp=l:5x5:0.5 -nosound - of rawvideo -o movie.264 Das ergibt leichte Eierköpfe: Playing movie1.mkv. [mkv] Track ID 1: video (V_MPEG4/ISO/AVC), -vid 0 [mkv] Track ID 2: audio (A_MPEG/L3), -aid 0, -alang und [mkv] Will play video track 1. Matroska file format detected. VIDEO: [avc1] 688x544 24bpp 25.000 fps 0.0 kbps ( 0.0 kbyte/s) ========================================================================== Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family Unsupported PixelFormat -1 Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264) ========================================================================== ========================================================================== Opening audio decoder: [mp3lib] MPEG layer-2, layer-3 AUDIO: 48000 Hz, 2 ch, s16le, 32.0 kbit/2.08% (ratio: 4000->192000) Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3) ========================================================================== AO: [oss] 48000Hz 2ch s16le (2 bytes per sample) Starting playback... Movie-Aspect is 1.38:1 - prescaling to correct movie aspect. VO: [vdpau] 688x544 => 750x544 Planar YV12 A: 2.1 V: 2.1 A-V: -0.001 ct: 0.097 0/ 0 35% 12% 2.8% 9 0 Wie skaliere ich richtig, sodass sich ein DVD-kompatibles Format ergibt, also 704 oder /20 x 576? Al