Am Do., 31. Okt. 2019 um 19:15 Uhr schrieb Jon Beyer <[email protected]>:
> ffmpeg -i concat.mp4 video2/frames_%05d.jpg > > ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers Unrelated: Please understand that only current FFmpeg git head is supported here and that there is absolutely no release support for macos. > built with Apple clang version 11.0.0 (clang-1100.0.33.8) > configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.1_1 --enable-shared > --enable-pthreads --enable-version3 --enable-avresample --cc=clang > --host-cflags='-I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include > -I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include/darwin > -fno-stack-check' --host-ldflags= --enable-ffplay --enable-gnutls > --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame > --enable-libopus --enable-librubberband --enable-libsnappy > --enable-libtesseract --enable-libtheora --enable-libvidstab > --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 > --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype > --enable-frei0r --enable-libass --enable-libopencore-amrnb > --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp > --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack > --disable-indev=jack > libavutil 56. 31.100 / 56. 31.100 > libavcodec 58. 54.100 / 58. 54.100 > libavformat 58. 29.100 / 58. 29.100 > libavdevice 58. 8.100 / 58. 8.100 > libavfilter 7. 57.100 / 7. 57.100 > libavresample 4. 0. 0 / 4. 0. 0 > libswscale 5. 5.100 / 5. 5.100 > libswresample 3. 5.100 / 3. 5.100 > libpostproc 55. 5.100 / 55. 5.100 > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'concat.mp4': > Metadata: > major_brand : isom > minor_version : 512 > compatible_brands: isomiso2avc1mp41 > encoder : Lavf58.29.100 > Duration: 00:02:15.94, start: 0.000000, bitrate: 5037 kb/s > Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, > 1280x720 [SAR 1:1 DAR 16:9], 4903 kb/s, 29.98 fps, 30 tbr, 15360 tbn, 60 > tbc (default) > Metadata: > handler_name : VideoHandler > Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, > stereo, fltp, 128 kb/s (default) > Metadata: > handler_name : SoundHandler > Stream mapping: > Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native)) > Press [q] to stop, [?] for help > [swscaler @ 0x10ecd7000] deprecated pixel format used, make sure you did > set range correctly > Output #0, image2, to 'video2/frames_%05d.jpg': > Metadata: > major_brand : isom > minor_version : 512 > compatible_brands: isomiso2avc1mp41 > encoder : Lavf58.29.100 > Stream #0:0(und): Video: mjpeg, yuvj420p(pc), 1280x720 [SAR 1:1 DAR > 16:9], q=2-31, 200 kb/s, 30 fps, 30 tbn, 30 tbc (default) > Metadata: > handler_name : VideoHandler > encoder : Lavc58.54.100 mjpeg > Side data: > cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 > frame= 4076 fps= 73 q=24.8 Lsize=N/A time=00:02:15.86 bitrate=N/A dup=3 > drop=0 speed=2.44x This indicates three frames were duplicated. > video:97160kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB > muxing overhead: unknown You can avoid the duplication with -vsync 0 at the cost of likely A/V desync. Carl Eugen _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
