wget -O - -o /dev/null http://wycutters.wyscout.com/box/argentina/velez_test_g1234567.mp4 | ffprobe.new -i -
On Mon, Mar 2, 2020 at 4:01 PM Gabriele Greco <[email protected]> wrote: > Hi guys, > > there is a way to probe a fragmented mp4 available through FTP faster? The > operation is almost instant on a local file, while it takes almost 1 minute > with a very good internet connection. > > This test file is a 3 hours video file made with ffmpeg in fragmented mode, > every fragment is 1 min length, so there are 180 fragments. > > ffprobe reads every fragment doing a range http request, using the grep and > wc I saw that there are 183 http requests in total. > > Reducing the number of fragments is not an option since sadly the file > should be playable almost realtime with a moderate delay (and 1 min is > already enough) > > the version of ffprobe is HEAD, here is the complete console output, the > test file should be public to everyone: > > time ../ffmpeg-head/ffprobe > http://wycutters.wyscout.com/box/argentina/velez_test_g1234567.mp4 > ffprobe version N-96711-gdd81f73946 Copyright (c) 2007-2020 the FFmpeg > developers > built with Apple LLVM version 10.0.1 (clang-1001.0.46.4) > configuration: --disable-videotoolbox --disable-audiotoolbox > --enable-libx264 --enable-libfdk-aac --enable-nonfree --enable-gpl > libavutil 56. 39.100 / 56. 39.100 > libavcodec 58. 68.100 / 58. 68.100 > libavformat 58. 38.100 / 58. 38.100 > libavdevice 58. 9.103 / 58. 9.103 > libavfilter 7. 75.100 / 7. 75.100 > libswscale 5. 6.100 / 5. 6.100 > libswresample 3. 6.100 / 3. 6.100 > libpostproc 55. 6.100 / 55. 6.100 > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from ' > http://wycutters.wyscout.com/box/argentina/velez_test_g1234567.mp4': > Metadata: > major_brand : isom > minor_version : 512 > compatible_brands: isomiso2avc1iso6mp41 > artist : 171 > encoder : Lavf58.20.100 > genre : fast > Duration: 03:00:00.03, start: 0.000000, bitrate: 6265 kb/s > Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), > yuvj420p(pc, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 6132 kb/s, 24.97 fps, > 59.94 tbr, 12800 tbn, 50 tbc (default) > Metadata: > handler_name : VideoHandler > Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, > stereo, fltp, 127 kb/s (default) > Metadata: > handler_name : SoundHandler > > real 1m2.094s > user 0m0.206s > sys 0m0.169s > > Trace of the content-range calls: > > ffprobe -v trace > http://wycutters.wyscout.com/box/argentina/velez_test_g1234567.mp4 2>&1 | > grep Content-Range > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 0-8458597672/8458597673' > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 46834645-8458597672/8458597673' > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 93336173-8458597672/8458597673' > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 140460071-8458597672/8458597673' > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 187703091-8458597672/8458597673' > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 234834646-8458597672/8458597673' > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 281564338-8458597672/8458597673' > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 328890982-8458597672/8458597673' > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 375821706-8458597672/8458597673' > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 422895067-8458597672/8458597673' > [... total of 183 calls, included the one I've not cut ... ] > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 8458590761-8458597672/8458597673' > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 40154-8458597672/8458597673' > [http @ 0x55a4d8addaa0] header='Content-Range: bytes > 45874897-8458597672/8458597673' > > -- > Bye, > Gabry > _______________________________________________ > 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".
