#11211: Select incorrect in newer ffmpeg version -------------------------------------+------------------------------------- Reporter: John | Type: defect Status: new | Priority: critical Component: ffmpeg | Version: 7.0 Keywords: ffmpeg, | Blocked By: thumbnail, Version | Blocking: | Reproduced by developer: 1 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: On ffmpeg 4.4.2-0ubuntu0.22.04.1 the following command executes correctly and generates a thumbnail atlas matching the given video On ffmpeg 7.0 the exact same command misses the first 40 seconds of the video entirely ffmpeg -y -i http://xxx.xxx.xxx.xxx/mega/95026a66a4bc129643911e37d4c9e485.mp4 -vf select='eq(n\,0)+not(mod(t\,10))',scale=160:-1,tile=5x88 -frames:v 1 -q:v 2 ./thumbnails_test/95026a66a4bc129643911e37d4c9e485_atlas.jpg How to reproduce: Run the command on different versions of ffmpeg {{{ % ffmpeg -y -i http:/xxx.xxx.xxx.xxx/mega/95026a66a4bc129643911e37d4c9e485.mp4 -vf select='eq(n\,0)+not(mod(t\,10))',scale=160:-1,tile=5x88 -frames:v 1 -q:v 2 ./thumbnails_test/95026a66a4bc129643911e37d4c9e485_atlas.jpg ffmpeg version 4.4.2-0ubuntu0.22.04.1 Copyright (c) 2000-2021 the FFmpeg developers built with gcc 11 (Ubuntu 11.2.0-19ubuntu1) ffmpeg version 7.0 Copyright (c) 2000-2024 the FFmpeg developers built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04) }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/11211> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker