Dear Carl, many thanks for your feedback. Hope you can help! We used the current dev version (ffmpeg-84005-g3ba7b47 from today morning) - same result.
Example-Files could be taken from here: https://www.wetransfer.com/downloads/ba29067a28723c12373dbfdd25c4bfae20170317093643/10cb1a9e9693b86ae921cc0b9838ffc520170317093643/3ae8a8 Command we used to concat and create MP4: ffmpeg -f concat -safe 0 -i files.txt -y -metadata creation_time=now -c:v copy -vsync 1 -c:a copy -fflags +genpts -movflags faststart -use_editlist 0 -f mp4 work_tmp0.mp4 ffmpeg version N-84005-g3ba7b47-tessus Copyright (c) 2000-2017 the FFmpeg developers built with Apple LLVM version 8.0.0 (clang-800.0.42.1) configuration: --cc=/usr/bin/clang --prefix=/opt/ffmpeg --extra-version=tessus --enable-avisynth --enable-fontconfig --enable-gpl --enable-libass --enable-libbluray --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzmq --enable-libzvbi --enable-version3 --disable-ffplay --disable-indev=qtkit --disable-indev=x11grab_xcb libavutil 55. 48.100 / 55. 48.100 libavcodec 57. 83.100 / 57. 83.100 libavformat 57. 66.104 / 57. 66.104 libavdevice 57. 3.100 / 57. 3.100 libavfilter 6. 76.100 / 6. 76.100 libswscale 4. 3.101 / 4. 3.101 libswresample 2. 4.100 / 2. 4.100 libpostproc 54. 2.100 / 54. 2.100 Input #0, concat, from 'files.txt': Duration: N/A, start: 0.000000, bitrate: N/A Stream #0:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 50 fps, 50 tbr, 90k tbn, 100 tbc Stream #0:1(deu): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 235 kb/s Output #0, mp4, to 'work_tmp0.mp4': Metadata: creation_time : now encoder : Lavf57.66.104 Stream #0:0: Video: h264 (High) ([33][0][0][0] / 0x0021), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 50 fps, 50 tbr, 90k tbn, 90k tbc Stream #0:1(deu): Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, stereo, fltp, 235 kb/s Stream mapping: Stream #0:0 -> #0:0 (copy) Stream #0:1 -> #0:1 (copy) Press [q] to stop, [?] for help [mp4 @ 0x7fbc4e0b6000] Starting second pass: moving the moov atom to the beginning of the file frame=27000 fps=8929 q=-1.0 Lsize= 224240kB time=00:09:00.18 bitrate=3400.7kbits/s speed= 179x video:210889kB audio:12843kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.227265% The delay is visible at minute 2~3. At minute 4 it's very visible in Quicktime. Remember: do not scrub in the timeline during playback. Scrubbing does an alignment and everything is back in sync. No problems in VLC. Any help is very, very appreciated. Best, Andreas > Am 16.03.2017 um 20:50 schrieb Carl Eugen Hoyos <[email protected]>: > > 2017-03-15 13:03 GMT+01:00 <[email protected]>: >> ffmpeg version 3.2.4-tessus Copyright (c) 2000-2017 the FFmpeg developers > > Please test current FFmpeg git head (and tell us if anything is unclear on > tessus's homepage) and if the issue is reproducible, please provide input > file(s). > > Carl Eugen > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
