[MPlayer-users] Ipod Touch Encoding problem

Krzysztof Duchnowski amidk75 at gmail.com
Wed Nov 21 18:22:32 CET 2007


Dominik 'Rathann' Mierzejewski pisze:

>>> So even though it's not h.264, it's a great picture.  Does anyone know
>>> if there is a quality difference between mpeg4 and h.264?
>> "vcodec=mpeg4" is DivX 4/5

> Not exactly. DivX, XviD and FFmpeg's 'mpeg4' codec all implement MPEG-4 Part 2
> (ASP) in a more or less complete way.

Yes, but they have some slight differences at how to encode with the 
standard ;PPPp

man mencoder:
-lavcopts vcodec:
                  asv1
                       ASUS Video v1
                  asv2
                       ASUS Video v2
                  dvvideo
                       Sony Digital Video
                  ffv1
                       FFmpeg’s lossless video codec
                  ffvhuff
                       nonstandard 20% smaller HuffYUV using YV12
                  flv
                       Sorenson H.263 used in Flash Video
                  h261
                       H.261
                  h263
                       H.263
                  h263p
                       H.263+
                  huffyuv
                       HuffYUV
                  libtheora
                       Theora
                  libx264
                       x264 H.264/AVC MPEG-4 Part 10
                  libxvid
                       Xvid MPEG-4 Part 2 (ASP)
                  ljpeg
                       Lossless JPEG
                  mjpeg
                       Motion JPEG
                  mpeg1video
                       MPEG-1 video
                  mpeg2video
                       MPEG-2 video
                  mpeg4
                       MPEG-4 (DivX 4/5)
                  msmpeg4
                       DivX 3
                  msmpeg4v2
                       MS MPEG4v2
                  roqvideo
                       ID Software RoQ Video
                  rv10
                       an old RealVideo codec
                  snow (also see: vstrict)
                       FFmpeg’s experimental wavelet-based codec
                  svq1
                       Apple Sorenson Video 1
                  wmv1
                       Windows Media Video, version 1 (AKA WMV7)
                  wmv2
                       Windows Media Video, version 2 (AKA WMV8)


-- 
Krzysztof 'DK75' Duchnowski
GetFirefox - http://www.mozilla.com/firefox/
Konfiguracja UTF-8 dla czytników - http://evil.pl/pip/utf/



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