On Mon, Apr 11, 2022 at 11:22 AM Paul B Mahol <[email protected]> wrote:
> > > On Mon, Apr 11, 2022 at 10:58 AM Balogh László <[email protected]> wrote: > >> Hi, >> >> I have about 4300 pictures in a folder (000_Images/2022/04/2022-04-10/). >> I want to create a video from them, every picture should be one frame in >> the video. >> >> I'm using the following command: ffmpeg -framerate 25 -i >> 000_Images/2022/04/2022-04-10/*.jpeg -c:v libx264 -profile:v high -crf >> 20 -pix_fmt yuv420p -y output.mp4 >> >> Its starting, but after about 500 pictures ffmpeg is slowing down, while >> the system load goes quickly up. It was hard to cancel the command, as >> the load was above 80. :) >> >> Here some log of the command: >> >> mcll@mcllserver-i3:/home/VVCam$ ffmpeg -framerate 25 -i >> 000_Images/2022/04/2022-04-10/*.jpeg -c:v libx264 -profile:v high -crf >> 20 -pix_fmt yuv420p -y output.mp4 > > built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04) >> configuration: --prefix=/usr --extra-version=0ubuntu0.2 >> --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu >> --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping >> --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa >> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca >> --enable-libcdio --enable-libflite --enable-libfontconfig >> --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm >> --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg >> --enable-libopenmpt --enable-libopus --enable-libpulse >> --enable-librubberband --enable-librsvg --enable-libshine >> --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh >> --enable-libtheora --enable-libtwolame --enable-libvorbis >> --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 >> --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi >> --enable-omx --enable-openal --enable-opengl --enable-sdl2 >> --enable-libdc1394 --enable-libdrm --enable-libiec61883 >> --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 >> --enable-shared >> libavutil 55. 78.100 / 55. 78.100 >> libavcodec 57.107.100 / 57.107.100 >> libavformat 57. 83.100 / 57. 83.100 >> libavdevice 57. 10.100 / 57. 10.100 >> libavfilter 6.107.100 / 6.107.100 >> libavresample 3. 7. 0 / 3. 7. 0 >> libswscale 4. 8.100 / 4. 8.100 >> libswresample 2. 9.100 / 2. 9.100 >> libpostproc 54. 7.100 / 54. 7.100 >> Input #0, image2, from >> '000_Images/2022/04/2022-04-10/2022-04-10_00_00_01.jpeg': >> Duration: 00:00:00.04, start: 0.000000, bitrate: 66148 kb/s >> Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), >> 2688x1520 [SAR 1:1 DAR 168:95], 25 tbr, 25 tbn, 25 tbc >> Stream mapping: >> Stream #0:0 -> #0:0 (mjpeg (native) -> mjpeg (native)) >> Stream #0:0 -> #1:0 (mjpeg (native) -> mjpeg (native)) >> Stream #0:0 -> #2:0 (mjpeg (native) -> mjpeg (native)) >> Stream #0:0 -> #3:0 (mjpeg (native) -> mjpeg (native)) >> Stream #0:0 -> #4:0 (mjpeg (native) -> mjpeg (native)) >> Stream #0:0 -> #5:0 (mjpeg (native) -> mjpeg (native)) >> Stream #0:0 -> #6:0 (mjpeg (native) -> mjpeg (native)) >> ...cut... >> Stream #0:0 -> #4316:0 (mjpeg (native) -> mjpeg (native)) >> Stream #0:0 -> #4317:0 (mjpeg (native) -> mjpeg (native)) >> Stream #0:0 -> #4318:0 (mjpeg (native) -> mjpeg (native)) >> Stream #0:0 -> #4319:0 (mjpeg (native) -> h264 (libx264)) >> Press [q] to stop, [?] for help >> Output #0, image2, to >> '000_Images/2022/04/2022-04-10/2022-04-10_00_00_21.jpeg': >> Metadata: >> encoder : Lavf57.83.100 >> Stream #0:0: Video: mjpeg, yuvj420p(pc), 2688x1520 [SAR 1:1 DAR >> 168:95], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc >> Metadata: >> encoder : Lavc57.107.100 mjpeg >> Side data: >> cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 >> Output #1, image2, to >> '000_Images/2022/04/2022-04-10/2022-04-10_00_00_41.jpeg': >> Metadata: >> encoder : Lavf57.83.100 >> Stream #1:0: Video: mjpeg, yuvj420p(pc), 2688x1520 [SAR 1:1 DAR >> 168:95], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc >> Metadata: >> encoder : Lavc57.107.100 mjpeg >> Side data: >> cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 >> Output #2, image2, to >> '000_Images/2022/04/2022-04-10/2022-04-10_00_01_01.jpeg': >> Metadata: >> encoder : Lavf57.83.100 >> Stream #2:0: Video: mjpeg, yuvj420p(pc), 2688x1520 [SAR 1:1 DAR >> 168:95], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc >> Metadata: >> encoder : Lavc57.107.100 mjpeg >> Side data: >> cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 >> ...etc... >> >> Why is this generating such a high load, and what should i do? >> > > > It is for some reason creating separate streams for each jpeg image. > > Is your ffmpeg modified or you use script? > > Because original ffmpeg does not do this. > Ignore that remark above, I forgot -y switch. Oops, using -y switch in your case is very dangerous. You completely ditched all jpegs and replaced them with the first one. NEVER EVER USE -y SWITCH, NEVER EVER. > > >> >> Thanks >> >> Regards, Laszlo >> >> >> _______________________________________________ >> 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". >> > _______________________________________________ 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".
