[FFmpeg-trac] #3161(undetermined:closed): libvpx crf does nothing

[FFmpeg]

#3161: libvpx crf does nothing
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             Reporter:  LinAGKar  |                    Owner:
                 Type:  defect    |                   Status:  closed
             Priority:  normal    |                Component:  undetermined
              Version:  2.0.2     |               Resolution:  worksforme
             Keywords:  libvpx    |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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Changes (by cehoyos):

 * keywords:  libvpx crf => libvpx
 * resolution:   => worksforme
 * status:  new => closed
 * component:  FFmpeg => undetermined


Comment:

 For future tickets: Please always test current FFmpeg as explained on
 http://ffmpeg.org/bugreports.html
 {{{
 $ ffmpeg -f lavfi -i testsrc -crf 4 -t 15 4.webm
 ffmpeg version 2.0.2 Copyright (c) 2000-2013 the FFmpeg developers
   built on Dec  9 2013 11:02:30 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --enable-libvpx
   libavutil      52. 38.100 / 52. 38.100
   libavcodec     55. 18.102 / 55. 18.102
   libavformat    55. 12.100 / 55. 12.100
   libavdevice    55.  3.100 / 55.  3.100
   libavfilter     3. 79.101 /  3. 79.101
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, lavfi, from 'testsrc':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240
 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
 [libvpx @ 0x36147a0] v1.2.0
 Output #0, webm, to '4.webm':
   Metadata:
     encoder         : Lavf55.12.100
     Stream #0:0: Video: vp8 (libvpx), yuv420p, 320x240 [SAR 1:1 DAR 4:3],
 q=-1--1, 200 kb/s, 1k tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo -> libvpx)
 Press [q] to stop, [?] for help
 frame=  375 fps=0.0 q=0.0 Lsize=     261kB time=00:00:15.00 bitrate=
 142.4kbits/s
 video:258kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 1.199901%
 }}}
 {{{
 $ ffmpeg -f lavfi -i testsrc -crf 63 -t 15 63.webm
 ffmpeg version 2.0.2 Copyright (c) 2000-2013 the FFmpeg developers
   built on Dec  9 2013 11:02:30 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --enable-libvpx
   libavutil      52. 38.100 / 52. 38.100
   libavcodec     55. 18.102 / 55. 18.102
   libavformat    55. 12.100 / 55. 12.100
   libavdevice    55.  3.100 / 55.  3.100
   libavfilter     3. 79.101 /  3. 79.101
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, lavfi, from 'testsrc':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240
 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
 [libvpx @ 0x22f87a0] v1.2.0
 Output #0, webm, to '63.webm':
   Metadata:
     encoder         : Lavf55.12.100
     Stream #0:0: Video: vp8 (libvpx), yuv420p, 320x240 [SAR 1:1 DAR 4:3],
 q=-1--1, 200 kb/s, 1k tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo -> libvpx)
 Press [q] to stop, [?] for help
 frame=  375 fps=0.0 q=0.0 Lsize=      75kB time=00:00:15.00 bitrate=
 40.9kbits/s
 video:72kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 3.847820%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3161#comment:3>
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