Index: DOCS/xml/en/mencoder.xml =================================================================== RCS file: /cvsroot/mplayer/main/DOCS/xml/en/mencoder.xml,v retrieving revision 1.76 diff -u -r1.76 mencoder.xml --- DOCS/xml/en/mencoder.xml 6 Jul 2005 08:39:57 -0000 1.76 +++ DOCS/xml/en/mencoder.xml 6 Jul 2005 20:32:10 -0000 @@ -2731,7 +2731,7 @@ qpel - Raise the number of candidate motion vectors's by increasing + Raise the number of candidate motion vectors by increasing the precision of the motion estimation from halfpel to quarterpel. The idea is to find better motion vectors which will in return @@ -2754,8 +2754,8 @@ gmc Tries to save bits on panning scenes by using a single motion vector for the whole frame. - This almost always raise PSNR, but significantly slows down - encoding (significantly slows down encoding). + This almost always raises PSNR, but significantly slows down + encoding (as well as decoding). Therefore, you should only use it when you have turned to the maximum. XviD's GMC is more @@ -2824,7 +2824,9 @@ NTSC DVD - 352x240* + 352x240 + These resolutions are rarely used for DVDs because + they are fairly low quality. MPEG-1 1856 kbps 48000 Hz @@ -2868,7 +2870,7 @@ PAL DVD - 352x288* + 352x288 MPEG-1 1856 kbps 48000 Hz @@ -2902,10 +2904,6 @@ - - * These resolutions are rarely used for DVDs because they are fairly low - quality. - If your movie has 2.35:1 aspect (most recent action movies), you will @@ -2924,7 +2922,7 @@ DVD, VCD, and SVCD also constrain you to relatively low GOP (Group of Pictures) sizes. - For 30 fps material the largest allows GOP size is 18. + For 30 fps material the largest allowed GOP size is 18. For 25 or 25 fps, the maximum is 15. The GOP size is set using the option. @@ -3032,8 +3030,8 @@ If the audio sample rate in the original file is not the same as required by the target format, sample rate conversion is required. - This is acheived using the and - options together. + This is achieved using the and + -af lavcresample options together. DVD: @@ -3076,7 +3074,7 @@ is most commonly used for DVD. PCM audio may also be used for DVD, but this is mostly a big waste of space. - Note that mp3 audio is not compliant for any of these formats, but + Note that MP3 audio is not compliant for any of these formats, but players often have no problem playing it anyway. @@ -3178,7 +3176,7 @@ options to lavcopts, such as , , and others. Note that and , while often - useful with MPEG-4, are not usable in MPEG-1 or MPEG-2. + useful with MPEG-4, are not usable with MPEG-1 or MPEG-2. Also, if you are trying to make a very high quality DVD encode, it may be useful to add to lavcopts. Doing so may help reduce the appearance of blocks in flat-colored areas. @@ -3200,11 +3198,11 @@ Encoding Audio - VCD and SVCD supports MPEG-1 layer II audio, using one of + VCD and SVCD support MPEG-1 layer II audio, using one of toolame, twolame, - or libavcodec's mp2 encoder. - The libavcodec mp2 is far from being as good as the other two libraries, + or libavcodec's MP2 encoder. + The libavcodec MP2 is far from being as good as the other two libraries, however it should always be available to use.