[FFmpeg-soc] libavfilter: fps ignored in ffmpeg command line

Víctor Paesa victorpaesa at googlemail.com
Sat Dec 29 20:21:12 CET 2007


Hi,

The filter fps seems ignored in the ffmpeg command line.
This is the scenario:

$ ffmpeg -i input.avi -vfilters fps=30 -y output.avi
FFmpeg version SVN-r11338, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration: --disable-static --enable-shared --enable-gpl
--enable-swscaler --enable-pthreads --enable-liba52 --enable-avisynth
--enable-libfaac --enable-libfaad --enable-libgsm --enable-libmp3lame
--enable-libnut --enable-libtheora --enable-libvorbis --enable-libx264
--enable-libxvid --enable-libamr_nb --enable-libamr_wb --cpu=prescott
--enable-avfilter --extra-cflags=-DX_DISPLAY_MISSING
--build-suffix=-SVN
  libavutil version: 49.6.0
  libavcodec version: 51.49.0
  libavformat version: 52.3.0
  built on Dec 28 2007 12:22:39, gcc: 4.2.2
Input #0, avi, from 'input.avi':
  Duration: 00:00:20.2, start: 0.000000, bitrate: 30349 kb/s
    Stream #0.0: Video: dvvideo, yuv420p, 720x576 [PAR 0:1 DAR 0:1], 25.00 tb(r)
    Stream #0.1: Audio: pcm_s16le, 48000 Hz, stereo, 1536 kb/s
Output #0, avi, to 'output.avi':
    Stream #0.0: Video: mpeg4, yuv420p, 720x576 [PAR 0:1 DAR 0:1],
q=2-31, 200 kb/s, 25.00 tb(c)
    Stream #0.1: Audio: mp2, 48000 Hz, stereo, 64 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Press [q] to stop encoding
frame=  445 fps= 61 q=25.1 Lsize=     966kB time=17.8 bitrate= 444.5kbits/s
video:275kB audio:158kB global headers:0kB muxing overhead 123.094707%

The input and output AVI have the same 25 fps.

Regards,
Víctor


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