Changes between Version 50 and Version 51 of Encode/H.264


Ignore:
Timestamp:
Jun 15, 2014, 10:33:24 PM (5 years ago)
Author:
seandarcy
Comment:

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  • Encode/H.264

    v50 v51  
    7171
    7272{{{
    73 ffmpeg -y -i input -c:v libx264 -preset medium -b:v 555k -pass 1 -an -f mp4 /dev/null && \
     73ffmpeg -y -i input -c:v libx264 -preset medium -b:v 555k -pass 1 -c:a libfdk_aac -b:a 128k -f mp4 /dev/null && \
    7474ffmpeg -i input -c:v libx264 -preset medium -b:v 555k -pass 2 -c:a libfdk_aac -b:a 128k output.mp4
    7575}}}
     
    8282As with CRF, choose the slowest preset you can tolerate.
    8383
    84 Also see [http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-dvd-mpeg4.html Making a high quality MPEG-4 ("DivX") rip of a DVD movie]. It is an MEncoder guide, but it will give you an insight about how important it is to use two-pass when you want to efficiently use every bit when you're constrained with storage space.
     84In pass 1 specify a output format (with "-f") that matches the output format in pass 2. Also in pass 1, specify the audio codec used in pass 2; in many cases "-an" in pass 1 will not work. 
     85
     86See [http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-dvd-mpeg4.html Making a high quality MPEG-4 ("DivX") rip of a DVD movie]. It is an MEncoder guide, but it will give you an insight about how important it is to use two-pass when you want to efficiently use every bit when you're constrained with storage space.
    8587
    8688----