Hi all, I'm trying to filter a video file in multiple locations (taking out clips from a video), with most video files it works perfectly, but sometimes the audio is out of sync (after a second).
This is the command I'm executing: ffmpeg -i video.mp4 -vf "select='between(t,3.71,4)+between(t,6.05,6.4)+between(t,6.85,7.2)+between(t,8.51,8.8)+between(t,9.18,9.88)+between(t,10.76,17.96)+between(t,19.85,20.95)+between(t,23.97,26.75)+between(t,34.67,38.16)+between(t,41.46,42.2)', setpts=N/FRAME_RATE/TB" -af "aselect='between(t,3.71,4)+between(t,6.05,6.4)+between(t,6.85,7.2)+between(t,8.51,8.8)+between(t,9.18,9.88)+between(t,10.76,17.96)+between(t,19.85,20.95)+between(t,23.97,26.75)+between(t,34.67,38.16)+between(t,41.46,42.2)', asetpts=N/SR/TB" out.mp4 and this the output log: ffmpeg version 5.0.1 Copyright (c) 2000-2022 the FFmpeg developers built with Apple clang version 13.1.6 (clang-1316.0.21.2) configuration: --prefix=/usr/local/Cellar/ffmpeg/5.0.1 --enable-shared -- enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e -- enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt -- enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 -- enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack -- enable-videotoolbox libavutil 57. 17.100 / 57. 17.100 libavcodec 59. 18.100 / 59. 18.100 libavformat 59. 16.100 / 59. 16.100 libavdevice 59. 4.100 / 59. 4.100 libavfilter 8. 24.100 / 8. 24.100 libswscale 6. 4.100 / 6. 4.100 libswresample 4. 3.100 / 4. 3.100 libpostproc 56. 3.100 / 56. 3.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/yonatanbd/Downloads/video.mp4': Metadata: major_brand : qt minor_version : 0 compatible_brands: qt creation_time : 2022-04-25T12:33:51.000000Z com.apple.quicktime.location.accuracy.horizontal: 33.932088 com.apple.quicktime.location.ISO6709: +31.7629+035.2037+779.616/ com.apple.quicktime.make: Apple com.apple.quicktime.model: iPhone 13 Pro com.apple.quicktime.software: 15.3.1 com.apple.quicktime.creationdate: 2022-04-25T15:33:51+0300 Duration: 00:00:42.99, start: 0.000000, bitrate: 45343 kb/s Stream #0:0[0x1](und): Video: hevc (Main) (hvc1 / 0x31637668), yuv420p(tv, bt709), 3840x2160, 45057 kb/s, 44.41 fps, 60 tbr, 600 tbn (default) Metadata: creation_time : 2022-04-25T12:33:51.000000Z handler_name : Core Media Video vendor_id : [0][0][0][0] encoder : HEVC Side data: displaymatrix: rotation of -180.00 degrees Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 183 kb/s (default) Metadata: creation_time : 2022-04-25T12:33:51.000000Z handler_name : Core Media Audio vendor_id : [0][0][0][0] Stream #0:2[0x3](und): Data: none (mebx / 0x7862656D), 0 kb/s (default) Metadata: creation_time : 2022-04-25T12:33:51.000000Z handler_name : Core Media Metadata Stream #0:3[0x4](und): Data: none (mebx / 0x7862656D), 22 kb/s (default) Metadata: creation_time : 2022-04-25T12:33:51.000000Z handler_name : Core Media Metadata Stream #0:4[0x5](und): Data: none (mebx / 0x7862656D), 58 kb/s (default) Metadata: creation_time : 2022-04-25T12:33:51.000000Z handler_name : Core Media Metadata Stream mapping: Stream #0:0 -> #0:0 (hevc (native) -> h264 (libx264)) Stream #0:1 -> #0:1 (aac (native) -> aac (native)) Press [q] to stop, [?] for help [libx264 @ 0x7fc8c0f113c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 [libx264 @ 0x7fc8c0f113c0] profile High, level 5.2, 4:2:0, 8-bit [libx264 @ 0x7fc8c0f113c0] 264 - core 163 r3060 5db6aa6 - H.264/MPEG-4 AVC codec - Copyleft 2003-2021 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd= 1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=24 lookahead_threads=4 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 Output #0, mp4, to '/Users/yonatanbd/Downloads/video Wed May 25 2022 - Gling.mp4': Metadata: major_brand : qt minor_version : 0 compatible_brands: qt com.apple.quicktime.creationdate: 2022-04-25T15:33:51+0300 com.apple.quicktime.location.accuracy.horizontal: 33.932088 com.apple.quicktime.location.ISO6709: +31.7629+035.2037+779.616/ com.apple.quicktime.make: Apple com.apple.quicktime.model: iPhone 13 Pro com.apple.quicktime.software: 15.3.1 encoder : Lavf59.16.100 Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 3840x2160, q=2-31, 60 fps, 15360 tbn (default) Metadata: creation_time : 2022-04-25T12:33:51.000000Z handler_name : Core Media Video vendor_id : [0][0][0][0] encoder : Lavc59.18.100 libx264 Side data: cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A displaymatrix: rotation of -0.00 degrees Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default) Metadata: creation_time : 2022-04-25T12:33:51.000000Z handler_name : Core Media Audio vendor_id : [0][0][0][0] encoder : Lavc59.18.100 aac frame= 825 fps= 12 q=-1.0 Lsize= 74578kB time=00:00:17.29 bitrate=35317. 0kbits/s speed=0.252x video:74278kB audio:274kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.034519% [libx264 @ 0x7fc8c0f113c0] frame I:14 Avg QP:25.14 size:333236 [libx264 @ 0x7fc8c0f113c0] frame P:225 Avg QP:27.97 size:130425 [libx264 @ 0x7fc8c0f113c0] frame B:586 Avg QP:28.70 size: 71756 [libx264 @ 0x7fc8c0f113c0] consecutive B-frames: 4.7% 1.2% 1.5% 92.6% [libx264 @ 0x7fc8c0f113c0] mb I I16..4: 4.6% 87.5% 8.0% [libx264 @ 0x7fc8c0f113c0] mb P I16..4: 0.7% 11.3% 0.3% P16..4: 42.8% 8.8% 6.4% 0.0% 0.0% skip:29.6% [libx264 @ 0x7fc8c0f113c0] mb B I16..4: 0.1% 2.8% 0.0% B16..8: 50.0% 2.8% 0.5% direct: 2.1% skip:41.7% L0:49.1% L1:49.4% BI: 1.5% [libx264 @ 0x7fc8c0f113c0] 8x8 transform intra:91.9% inter:85.1% [libx264 @ 0x7fc8c0f113c0] coded y,uvDC,uvAC intra: 76.4% 22.2% 0.7% inter: 22.4% 6.0% 0.0% [libx264 @ 0x7fc8c0f113c0] i16 v,h,dc,p: 28% 11% 17% 44% [libx264 @ 0x7fc8c0f113c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 6% 35% 7% 7% 10% 5% 9% 5% [libx264 @ 0x7fc8c0f113c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 8% 15% 9% 10% 12% 5% 9% 3% [libx264 @ 0x7fc8c0f113c0] i8c dc,h,v,p: 77% 9% 13% 1% [libx264 @ 0x7fc8c0f113c0] Weighted P-Frames: Y:0.0% UV:0.0% [libx264 @ 0x7fc8c0f113c0] ref P L0: 46.0% 13.9% 27.8% 12.3% [libx264 @ 0x7fc8c0f113c0] ref B L0: 73.7% 19.4% 6.9% [libx264 @ 0x7fc8c0f113c0] ref B L1: 89.9% 10.1% [libx264 @ 0x7fc8c0f113c0] kb/s:44253.14 [aac @ 0x7fc8c0f12b40] Qavg: 406.889 I tried -async and -vsync without success. This command is running on a user machine, so I can't anticipate the video variation in advance, so I'm looking for a generic solution I can apply in my program Thanks Yonatan _______________________________________________ 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".
