[FFmpeg-user] Speed up Transcode

Fri Dec 6 13:47:55 CET 2013

On 2013-12-05 16:24, Carl Eugen Hoyos wrote:
> AS <peace <at> AleksandrSolzhenitsyn.net> writes:
> 
>> ffmpeg -i Input_filename.MTS  -deinterlace
>> -target ntsc-dvd Output_Filename.mpeg
>> 
>> The transcode works very well but I'd like
>> to speed the process up.
> 
> Complete, uncut console output missing.
> (But it is not unlikely that hardware is the
> limiting factor.)
> 
> Carl Eugen


Here it is;

Notebooks at Notebook-laptop:~/Videos$ ffmpeg -i Input.MTS -deinterlace 
-target ntsc-dvd Output.mpeg
ffmpeg version N-42139-g7693543 Copyright (c) 2000-2012 the FFmpeg 
developers
   built on Nov  8 2012 22:15:12 with gcc 4.4.3 (Ubuntu 
4.4.3-4ubuntu5.1)
   configuration: --enable-gpl --enable-libfaac --enable-libmp3lame 
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora 
--enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree 
--enable-version3 --enable-x11grab
   libavutil      52.  5.100 / 52.  5.100
   libavcodec     54. 71.100 / 54. 71.100
   libavformat    54. 36.100 / 54. 36.100
   libavdevice    54.  3.100 / 54.  3.100
   libavfilter     3. 21.106 /  3. 21.106
   libswscale      2.  1.102 /  2.  1.102
   libswresample   0. 16.100 /  0. 16.100
   libpostproc    52.  1.100 / 52.  1.100
Input #0, mpegts, from 'Input.MTS':
   Duration: 00:00:05.54, start: 1.000033, bitrate: 22865 kb/s
   Program 1
     Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), 
yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 59.94 tbr, 90k tbn, 
59.94 tbc
     Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 
stereo, s16, 256 kb/s
     Stream #0:2[0x1200]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 
0x0090)
-deinterlace is deprecated, use -filter:v yadif instead
Output #0, dvd, to 'Output.mpeg':
   Metadata:
     encoder         : Lavf54.36.100
     Stream #0:0: Video: mpeg2video, yuv420p, 720x480 [SAR 32:27 DAR 
16:9], q=2-31, 6000 kb/s, 90k tbn, 29.97 tbc
     Stream #0:1: Audio: ac3, 48000 Hz, stereo, fltp, 448 kb/s
Stream mapping:
   Stream #0:0 -> #0:0 (h264 -> mpeg2video)
   Stream #0:1 -> #0:1 (ac3 -> ac3)
Press [q] to stop, [?] for help
frame=    5 fps=0.0 q=2.0 size=       6kB time=00:00:00.22 bitrate= 
223.4kbits/sframe=   10 fps=9.5 q=2.0 size=     326kB time=00:00:00.38 
bitrate=7027.9kbits/sframe=   15 fps=9.3 q=2.6 size=     468kB 
time=00:00:00.50 bitrate=7547.0kbits/sframe=   21 fps=9.8 q=2.6 size=    
524kB time=00:00:00.63 bitrate=6771.0kbits/sframe=   26 fps=9.7 q=2.6 
size=     524kB time=00:00:00.80 bitrate=5360.4kbits/sframe=   31 
fps=9.7 q=2.5 size=     566kB time=00:00:00.96 
bitrate=4791.8kbits/sframe=   36 fps=9.7 q=2.7 size=     700kB 
time=00:00:01.13 bitrate=5054.7kbits/sframe=   41 fps=9.7 q=2.6 size=    
820kB time=00:00:01.30 bitrate=5162.1kbits/sframe=   46 fps=9.7 q=2.4 
size=     958kB time=00:00:01.46 bitrate=5345.5kbits/sframe=   51 
fps=9.8 q=3.0 size=    1098kB time=00:00:01.63 
bitrate=5501.5kbits/sframe=   55 fps=9.6 q=2.7 size=    1200kB 
time=00:00:01.76 bitrate=5558.8kbits/sframe=   60 fps=9.5 q=2.8 size=    
1278kB time=00:00:01.93 bitrate=5409.8kbits/sframe=   65 fps=9.5 q=2.4 
size=    1412kB time=00:00:02.10 bitrate=5502.6kbits/sframe=   70 
fps=9.5 q=2.9 size=    1546kB time=00:00:02.26 
bitrate=5581.8kbits/sframe=   75 fps=9.5 q=2.9 size=    1684kB 
time=00:00:02.43 bitrate=5663.6kbits/sframe=   80 fps=9.5 q=3.1 size=    
1828kB time=00:00:02.60 bitrate=5753.9kbits/sframe=   85 fps=9.5 q=3.4 
size=    1928kB time=00:00:02.76 bitrate=5703.0kbits/sframe=   89 
fps=9.4 q=3.5 size=    2080kB time=00:00:02.90 
bitrate=5869.8kbits/sframe=   94 fps=9.4 q=3.8 size=    2196kB 
time=00:00:03.06 bitrate=5860.3kbits/sframe=   99 fps=9.4 q=3.4 size=    
2356kB time=00:00:03.23 bitrate=5963.2kbits/sframe=  104 fps=9.3 q=3.4 
size=    2550kB time=00:00:03.40 bitrate=6137.9kbits/sframe=  106 
fps=9.0 q=3.4 size=    2572kB time=00:00:03.47 
bitrate=6071.8kbits/sframe=  111 fps=9.1 q=3.6 size=    2660kB 
time=00:00:03.63 bitrate=5991.5kbits/sframe=  115 fps=9.0 q=3.4 size=    
2766kB time=00:00:03.77 bitrate=6009.7kbits/sframe=  119 fps=9.0 q=3.5 
size=    2892kB time=00:00:03.90 bitrate=6068.6kbits/sframe=  124 
fps=9.0 q=3.5 size=    3024kB time=00:00:04.07 
bitrate=6085.5kbits/sframe=  128 fps=8.9 q=2.5 size=    3156kB 
time=00:00:04.20 bitrate=6149.6kbits/sframe=  133 fps=8.9 q=3.3 size=    
3226kB time=00:00:04.37 bitrate=6046.0kbits/sframe=  137 fps=8.9 q=3.3 
size=    3360kB time=00:00:04.50 bitrate=6110.6kbits/sframe=  141 
fps=8.9 q=3.3 size=    3502kB time=00:00:04.63 
bitrate=6185.6kbits/sframe=  146 fps=8.9 q=2.5 size=    3590kB 
time=00:00:04.80 bitrate=6120.8kbits/sframe=  150 fps=8.8 q=3.3 size=    
3756kB time=00:00:04.93 bitrate=6230.8kbits/sframe=  155 fps=8.9 q=3.3 
size=    3806kB time=00:00:05.10 bitrate=6107.4kbits/sframe=  160 
fps=8.9 q=3.2 size=    3958kB time=00:00:05.27 
bitrate=6150.3kbits/sframe=  164 fps=8.9 q=2.6 size=    4422kB 
time=00:00:05.56 bitrate=6510.6kbits/sframe=  166 fps=8.9 q=3.2 Lsize=   
4516kB time=00:00:05.56 bitrate=6649.0kbits/s dup=1 drop=0
video:4129kB audio:303kB subtitle:0 global headers:0kB muxing overhead 
1.891243%


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