[scale @ 0x195aa60] w:1280 h:720 fmt:yuv420p sar:1/1 -> w:426 h:238 fmt:yuv420p sar:1904/1917 flags:0x4 [buffer @ 0x1895de0] Invalid pixel format '-1' Error opening filters!

[Iliya]

ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers

built on Jul 6 2012 10:40:09 with gcc 4.4.6 20110731 (Red Hat 4.4.6-3)
configuration: --prefix=/usr --enable-shared --disable-static --enable-libx264 --enable-gpl --enable-libmp3lame
libavutil 51. 54.100 / 51. 54.100
libavcodec 54. 23.100 / 54. 23.100
libavformat 54. 6.100 / 54. 6.100
libavdevice 54. 0.100 / 54. 0.100
libavfilter 2. 77.100 / 2. 77.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100

w:1280 h:720 pixfmt:yuv420p tb:1/2000 sar:1/1 sws_param:flags=2
[buffersink @ 0x19251e0] No opaque field provided
[scale @ 0x195aa60] w:1280 h:720 fmt:yuv420p sar:1/1 -> w:426 h:238 fmt:yuv420p sar:1904/1917 flags:0x4
[buffer @ 0x1895de0] Invalid pixel format '-1'
Error opening filters!

i am using this command line

ffmpeg -i "/mnt/video_in/Season 6/The.Sopranos.S06E01.720p.x264.mkv" -s 426x238 -r 24000/1001 -b:v 600k -maxrate 4000k -bufsize 2000k -vcodec libx264 -acodec aac -ac 2 -ar 22050 -ab 64k -map 0:v -map 0:a:0 -strict experimental /tmp/video_tmp.mp4

centos 6.3 64 bit

[Carl Eugen Hoyos]

Is this reproducible with current git head?

Your output looks edited (There should be some console output lines between "libpostproc" and "w:1280"), please always post the command line together with the complete, uncut console output.

[Carl Eugen Hoyos]

Please reopen this ticket if you can add the missing information.