From: Lou Logan <[email protected]> FAQ could use some work. This updates a few little details.
Signed-off-by: Michael Niedermayer <[email protected]> --- doc/faq.texi | 14 +++++++------- 1 files changed, 7 insertions(+), 7 deletions(-) diff --git a/doc/faq.texi b/doc/faq.texi index 27b26b6..3daf44f 100644 --- a/doc/faq.texi +++ b/doc/faq.texi @@ -87,7 +87,7 @@ The following list of video codecs should work on most Windows systems: .asf only @item mpeg4 Only if you have some MPEG-4 codec like ffdshow or Xvid installed. -@item mpeg1 +@item mpeg1video .mpg only @end table Note, ASF files often have .wmv or .wma extensions in Windows. It should also @@ -99,9 +99,9 @@ The following list of audio codecs should work on most Windows systems: @table @option @item adpcm_ima_wav @item adpcm_ms -@item pcm +@item pcm_s16le always -@item mp3 +@item libmp3lame If some MP3 codec like LAME is installed. @end table @@ -226,7 +226,7 @@ mv4, title @item non-working stuff B-frames @item example command line -ffmpeg -i input -acodec libfaac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -flags +mv4 -trellis 2 -aic 2 -cmp 2 -subcmp 2 -s 320x180 -metadata title=X output.mp4 +ffmpeg -i input -acodec libfaac -ab 128k -vcodec mpeg4 -b 1200k -mbd 2 -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -s 320x180 -metadata title=X output.mp4 @end table @section How do I encode videos which play on the PSP? @@ -239,7 +239,7 @@ mv4, title @item non-working stuff B-frames @item example command line -ffmpeg -i input -acodec libfaac -ab 128kb -vcodec mpeg4 -b 1200kb -ar 24000 -mbd 2 -flags +mv4 -trellis 2 -aic 2 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -metadata title=X -f psp output.mp4 +ffmpeg -i input -acodec libfaac -ab 128k -vcodec mpeg4 -b 1200k -ar 24000 -mbd 2 -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -metadata title=X -f psp output.mp4 @item needed stuff for H.264 -acodec libfaac -vcodec libx264 width*height<=76800 width%16=0? height%16=0? -ar 48000 -coder 1 -r 30000/1001 or 15000/1001 -f psp @item working stuff for H.264 @@ -247,11 +247,11 @@ title, loop filter @item non-working stuff for H.264 CAVLC @item example command line -ffmpeg -i input -acodec libfaac -ab 128kb -vcodec libx264 -b 1200kb -ar 48000 -mbd 2 -coder 1 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -metadata title=X -f psp -flags loop -trellis 2 -partitions parti4x4+parti8x8+partp4x4+partp8x8+partb8x8 output.mp4 +ffmpeg -i input -acodec libfaac -ab 128k -vcodec libx264 -b 1200k -ar 48000 -mbd 2 -coder 1 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -metadata title=X -f psp -flags loop -trellis 2 -partitions parti4x4+parti8x8+partp4x4+partp8x8+partb8x8 output.mp4 @item higher resolution for newer PSP firmwares, width<=480, height<=272 -vcodec libx264 -level 21 -coder 1 -f psp @item example command line -ffmpeg -i input -acodec libfaac -ab 128kb -ac 2 -ar 48000 -vcodec libx264 -level 21 -b 640kb -coder 1 -f psp -flags +loop -trellis 2 -partitions +parti4x4+parti8x8+partp4x4+partp8x8+partb8x8 -g 250 -s 480x272 output.mp4 +ffmpeg -i input -acodec libfaac -ab 128k -ac 2 -ar 48000 -vcodec libx264 -level 21 -b 640k -coder 1 -f psp -flags +loop -trellis 2 -partitions +parti4x4+parti8x8+partp4x4+partp8x8+partb8x8 -g 250 -s 480x272 output.mp4 @end table @section Which are good parameters for encoding high quality MPEG-4? -- 1.7.0.4 _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
