Ffmpeg видит %d, но сделать с ней ничего не может.
C:\tmp\002>ffmpeg -f image2 -i C:\tmp\002\%d.jpg q1.mp4
ffmpeg version N-31461-g371888c, Copyright (c) 2000-2011 the FFmpeg developers
built on Jul 14 2011 15:01:44 with gcc 4.6.1
configuration: --enable-gpl --enable-version3 --enable-memalign-hack --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-
libfreetype --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-l
ibxavs --enable-libxvid --enable-zlib
libavutil 51. 11. 0 / 51. 11. 0
libavcodec 53. 7. 0 / 53. 7. 0
libavformat 53. 5. 0 / 53. 5. 0
libavdevice 53. 2. 0 / 53. 2. 0
libavfilter 2. 25. 0 / 2. 25. 0
libswscale 2. 0. 0 / 2. 0. 0
libpostproc 51. 2. 0 / 51. 2. 0
C:\tmp\002\%d.jpg: No such file or directory
