Sto cercando di convertire un video da 1425 secondi a 1430 secondi in una sequenza di immagini. Di seguito è riportato il mio codice che non ha funzionato. Come posso farlo ?
ffmpeg -i video.MP4 -vf select='between(t,1425,1430)' -vsync 0 out%d.png
ffmpeg version 4.0.2 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 7.3.1 (GCC) 20180722 configuration: --enable-gpl
--enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth libavutil 56. 14.100 / 56. 14.100 libavcodec 58. 18.100 / 58. 18.100 libavformat 58. 12.100 / 58. 12.100 libavdevice 58. 3.100 /
58. 3.100 libavfilter 7. 16.100 / 7. 16.100 libswscale 5. 1.100 / 5. 1.100 libswresample 3. 1.100 / 3. 1.100 libpostproc 55. 1.100 / 55. 1.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Ouchy-2-Left-cropped-pred.MP4': Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2mp41
encoder : Lavf56.36.100 Duration: 00:39:24.97, start: 0.000000, bitrate: 1582 kb/s
Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 650x300 [SAR 1:1 DAR 13:6], 1581 kb/s, 30 fps, 30 tbr, 15360 tbn, 30 tbc (default)
Metadata:
handler_name : VideoHandler Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> png (native)) Press [q] to stop, [?] for help [Parsed_select_0 @ 000001b56bd6eb80] [Eval @ 000000a2fd7fe1a0] Missing ')' or too many args in 'between(t' [Parsed_select_0 @ 000001b56bd6eb80] Error while parsing expression 'between(t' [AVFilterGraph @ 000001b56b67edc0] Error initializing filter 'select' with args 'between(t' Error reinitializing filters! Failed to inject frame into filter network: Invalid argument Error while processing the decoded data for stream #0:0 Conversion failed!