Can not reproduce. Make sure that audio is not taken in output duration. Provide your input file by uploading it somewhere.
On 6/10/19, Michael Koch <astroelectro...@t-online.de> wrote: > Hi all, > > I want to delay a video in a filter chain by 5 seconds, and then combine > it with the original video with hstack. I use the shortest=1 option, so > that the output contains only the duration where both videos overlap: > > ffmpeg -f lavfi -i testsrc=duration=10:size=vga:rate=25 -filter_complex > split[a][b];[b]setpts=PTS+5/TB[c];[a][c]hstack=shortest=1 -y out1.mp4 > > This works as expected. The input length is 10s and the output length is 5s. > > However, when I use the same command line with another input video, I > don't get the expected result: > > ffmpeg -i 308.mov -filter_complex > split[a][b];[b]setpts=PTS+5/TB[c];[a][c]hstack=shortest=1 -y out2.mp4 > > The input length is 24.22s and the output length is the same. I would > have expected that the output is 5s shorter than the input. What's wrong > with my command line? > > Below are the console outputs for both command lines. > > Thanks, > Michael > > > > F:\2019-06-08_Meteore>c://ffmpeg/ffmpeg -f lavfi -i > testsrc=duration=10:size=vga > :rate=25 -filter_complex > split[a][b];[b]setpts=PTS+5/TB[c];[a][c]hstack=shortest > =1 -y out1.mp4 > ffmpeg version N-93686-g8019395889 Copyright (c) 2000-2019 the FFmpeg > developers > > built with gcc 8.3.1 (GCC) 20190414 > configuration: --enable-gpl --enable-version3 --enable-sdl2 > --enable-fontconfi > g --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d > --enable-libb > luray --enable-libfreetype --enable-libmp3lame > --enable-libopencore-amrnb --enab > le-libopencore-amrwb --enable-libopenjpeg --enable-libopus > --enable-libshine --e > nable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame > --enable > -libvpx --enable-libwavpack --enable-libwebp --enable-libx264 > --enable-libx265 - > -enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib > --enable-gmp --enab > le-libvidstab --enable-libvorbis --enable-libvo-amrwbenc > --enable-libmysofa --en > able-libspeex --enable-libxvid --enable-libaom --enable-libmfx > --enable-amf --en > able-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc > --enable-nvdec --e > nable-dxva2 --enable-avisynth --enable-libopenmpt > libavutil 56. 26.100 / 56. 26.100 > libavcodec 58. 52.100 / 58. 52.100 > libavformat 58. 27.103 / 58. 27.103 > libavdevice 58. 7.100 / 58. 7.100 > libavfilter 7. 50.100 / 7. 50.100 > libswscale 5. 4.100 / 5. 4.100 > libswresample 3. 4.100 / 3. 4.100 > libpostproc 55. 4.100 / 55. 4.100 > Input #0, lavfi, from 'testsrc=duration=10:size=vga:rate=25': > Duration: N/A, start: 0.000000, bitrate: N/A > Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 640x480 > [SAR 1:1 > DAR 4:3], 25 tbr, 25 tbn, 25 tbc > Stream mapping: > Stream #0:0 (rawvideo) -> split > hstack -> Stream #0:0 (libx264) > Press [q] to stop, [?] for help > [libx264 @ 0000000003603000] using SAR=1/1 > [libx264 @ 0000000003603000] using cpu capabilities: MMX2 SSE2Fast SSSE3 > SSE4.2 > AVX FMA3 BMI2 AVX2 > [libx264 @ 0000000003603000] profile High 4:4:4 Predictive, level 3.1, > 4:4:4, 8- > bit > [libx264 @ 0000000003603000] 264 - core 157 r2970 5493be8 - H.264/MPEG-4 > AVC cod > ec - Copyleft 2003-2019 - http://www.videolan.org/x264.html - options: > cabac=1 r > ef=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_pski > p=1 chroma_qp_offset=4 threads=6 lookahead_threads=1 sliced_threads=0 > nr=0 decim > ate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 > b_pyramid=2 b_a > dapt=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 'out1.mp4': > Metadata: > encoder : Lavf58.27.103 > Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv444p, > 1280x480 [S > AR 1:1 DAR 8:3], q=-1--1, 25 fps, 12800 tbn, 25 tbc > Metadata: > encoder : Lavc58.52.100 libx264 > Side data: > cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1 > frame= 57 fps=0.0 q=28.0 size= 0kB time=00:00:05.16 bitrate= > 0.1kbits/ > frame= 120 fps=117 q=28.0 size= 0kB time=00:00:07.68 bitrate= > 0.0kbits/ > [Parsed_testsrc_0 @ 0000000000684800] EOF timestamp not reliable > frame= 125 fps=100 q=-1.0 Lsize= 53kB time=00:00:09.88 bitrate= > 44.2kbits > /s speed=7.92x > video:51kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB > muxing ov > erhead: 4.524411% > [libx264 @ 0000000003603000] frame I:1 Avg QP:15.02 size: 10182 > [libx264 @ 0000000003603000] frame P:31 Avg QP:14.80 size: 893 > [libx264 @ 0000000003603000] frame B:93 Avg QP:13.64 size: 147 > [libx264 @ 0000000003603000] consecutive B-frames: 0.8% 0.0% 0.0% 99.2% > [libx264 @ 0000000003603000] mb I I16..4: 62.1% 26.5% 11.4% > [libx264 @ 0000000003603000] mb P I16..4: 3.0% 1.3% 0.4% P16..4: > 3.2% 3.0 > % 0.2% 0.0% 0.0% skip:88.9% > [libx264 @ 0000000003603000] mb B I16..4: 0.1% 0.2% 0.0% B16..8: > 2.7% 0.0 > % 0.0% direct: 0.0% skip:97.0% L0:48.4% L1:50.3% BI: 1.2% > [libx264 @ 0000000003603000] 8x8 transform intra:31.0% inter:91.2% > [libx264 @ 0000000003603000] coded y,u,v intra: 4.1% 3.6% 3.3% inter: > 0.1% 0.1% > 0.1% > [libx264 @ 0000000003603000] i16 v,h,dc,p: 80% 12% 1% 8% > [libx264 @ 0000000003603000] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 55% 15% 30% > 0% 0% > 0% 0% 0% 0% > [libx264 @ 0000000003603000] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 35% 46% 14% > 1% 1% > 1% 0% 1% 0% > [libx264 @ 0000000003603000] Weighted P-Frames: Y:0.0% UV:0.0% > [libx264 @ 0000000003603000] ref P L0: 70.5% 4.1% 20.2% 5.1% > [libx264 @ 0000000003603000] ref B L0: 71.3% 26.5% 2.2% > [libx264 @ 0000000003603000] ref B L1: 94.9% 5.1% > [libx264 @ 0000000003603000] kb/s:82.53 > > > > > > F:\2019-06-08_Meteore>c://ffmpeg/ffmpeg -i 308.mov -filter_complex > split[a][b];[ > b]setpts=PTS+5/TB[c];[a][c]hstack=shortest=1 -y out2.mp4 > ffmpeg version N-93686-g8019395889 Copyright (c) 2000-2019 the FFmpeg > developers > > built with gcc 8.3.1 (GCC) 20190414 > configuration: --enable-gpl --enable-version3 --enable-sdl2 > --enable-fontconfi > g --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d > --enable-libb > luray --enable-libfreetype --enable-libmp3lame > --enable-libopencore-amrnb --enab > le-libopencore-amrwb --enable-libopenjpeg --enable-libopus > --enable-libshine --e > nable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame > --enable > -libvpx --enable-libwavpack --enable-libwebp --enable-libx264 > --enable-libx265 - > -enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib > --enable-gmp --enab > le-libvidstab --enable-libvorbis --enable-libvo-amrwbenc > --enable-libmysofa --en > able-libspeex --enable-libxvid --enable-libaom --enable-libmfx > --enable-amf --en > able-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc > --enable-nvdec --e > nable-dxva2 --enable-avisynth --enable-libopenmpt > libavutil 56. 26.100 / 56. 26.100 > libavcodec 58. 52.100 / 58. 52.100 > libavformat 58. 27.103 / 58. 27.103 > libavdevice 58. 7.100 / 58. 7.100 > libavfilter 7. 50.100 / 7. 50.100 > libswscale 5. 4.100 / 5. 4.100 > libswresample 3. 4.100 / 3. 4.100 > libpostproc 55. 4.100 / 55. 4.100 > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '308.mov': > Metadata: > major_brand : qt > minor_version : 512 > compatible_brands: qt > encoder : Lavf58.27.103 > Duration: 00:00:24.22, start: 0.000000, bitrate: 168 kb/s > Stream #0:0(eng): Video: h264 (High 4:2:2) (avc1 / 0x31637661), > yuv422p10le, > 640x480 [SAR 1:1 DAR 4:3], 33 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc > (default) > > Metadata: > handler_name : VideoHandler > encoder : Lavc58.52.100 libx264 > timecode : 03:54:20:05 > Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, > stereo, flt > p, 128 kb/s (default) > Metadata: > handler_name : SoundHandler > Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s > Metadata: > handler_name : VideoHandler > timecode : 03:54:20:05 > Stream mapping: > Stream #0:0 (h264) -> split (graph 0) > hstack (graph 0) -> Stream #0:0 (libx264) > Stream #0:1 -> #0:1 (aac (native) -> aac (native)) > Press [q] to stop, [?] for help > [libx264 @ 0000000000350ac0] using SAR=1/1 > [libx264 @ 0000000000350ac0] using cpu capabilities: MMX2 SSE2Fast SSSE3 > SSE4.2 > AVX FMA3 BMI2 AVX2 > [libx264 @ 0000000000350ac0] profile High 4:2:2, level 3.1, 4:2:2, 10-bit > [libx264 @ 0000000000350ac0] 264 - core 157 r2970 5493be8 - H.264/MPEG-4 > AVC cod > ec - Copyleft 2003-2019 - http://www.videolan.org/x264.html - options: > cabac=1 r > ef=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_pski > p=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 > nr=0 deci > mate=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=2 > 5 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 > qcomp=0.6 > 0 qpmin=0 qpmax=81 qpstep=4 ip_ratio=1.40 aq=1:1.00 > Output #0, mp4, to 'out2.mp4': > Metadata: > major_brand : qt > minor_version : 512 > compatible_brands: qt > encoder : Lavf58.27.103 > Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), > yuv422p10le, 1280x48 > 0 [SAR 1:1 DAR 8:3], q=-1--1, 25 fps, 12800 tbn, 25 tbc (default) > Metadata: > encoder : Lavc58.52.100 libx264 > Side data: > cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1 > Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, > stereo, flt > p, 128 kb/s (default) > Metadata: > handler_name : SoundHandler > encoder : Lavc58.52.100 aac > frame= 126 fps=0.0 q=40.0 size= 0kB time=00:00:05.14 bitrate= > 0.1kbits/ > frame= 207 fps=179 q=40.0 size= 0kB time=00:00:08.38 bitrate= > 0.0kbits/ > frame= 283 fps=170 q=40.0 size= 0kB time=00:00:11.43 bitrate= > 0.0kbits/ > frame= 354 fps=162 q=40.0 size= 256kB time=00:00:14.27 bitrate= > 147.0kbits/ > frame= 421 fps=156 q=40.0 size= 256kB time=00:00:16.93 bitrate= > 123.8kbits/ > frame= 486 fps=151 q=40.0 size= 256kB time=00:00:19.54 bitrate= > 107.3kbits/ > frame= 547 fps=147 q=40.0 size= 256kB time=00:00:21.99 bitrate= > 95.4kbits/ > frame= 605 fps=136 q=-1.0 Lsize= 653kB time=00:00:24.21 bitrate= > 221.1kbits > /s dup=125 drop=0 speed=5.43x > video:255kB audio:380kB subtitle:0kB other streams:0kB global > headers:0kB muxing > overhead: 3.057025% > [libx264 @ 0000000000350ac0] frame I:3 Avg QP:20.56 size: 13583 > [libx264 @ 0000000000350ac0] frame P:152 Avg QP:23.61 size: 1040 > [libx264 @ 0000000000350ac0] frame B:450 Avg QP:28.21 size: 136 > [libx264 @ 0000000000350ac0] consecutive B-frames: 0.8% 0.0% 0.0% 99.2% > [libx264 @ 0000000000350ac0] mb I I16..4: 54.8% 41.1% 4.0% > [libx264 @ 0000000000350ac0] mb P I16..4: 0.6% 0.6% 0.0% P16..4: > 15.1% 0.3 > % 0.3% 0.0% 0.0% skip:83.0% > [libx264 @ 0000000000350ac0] mb B I16..4: 0.0% 0.0% 0.0% B16..8: > 0.9% 0.0 > % 0.0% direct: 1.4% skip:97.7% L0:38.5% L1:61.3% BI: 0.2% > [libx264 @ 0000000000350ac0] 8x8 transform intra:44.4% inter:91.2% > [libx264 @ 0000000000350ac0] coded y,uvDC,uvAC intra: 18.1% 59.8% 3.1% > inter: 0. > 1% 4.3% 0.0% > [libx264 @ 0000000000350ac0] i16 v,h,dc,p: 59% 21% 15% 5% > [libx264 @ 0000000000350ac0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 14% 53% > 3% 2% > 2% 2% 2% 1% > [libx264 @ 0000000000350ac0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 16% 30% > 7% 8% > 6% 7% 4% 5% > [libx264 @ 0000000000350ac0] i8c dc,h,v,p: 54% 19% 25% 2% > [libx264 @ 0000000000350ac0] Weighted P-Frames: Y:0.0% UV:0.0% > [libx264 @ 0000000000350ac0] ref P L0: 75.2% 11.6% 13.2% > [libx264 @ 0000000000350ac0] ref B L0: 79.8% 18.1% 2.1% > [libx264 @ 0000000000350ac0] ref B L1: 97.2% 2.8% > [libx264 @ 0000000000350ac0] kb/s:85.96 > [aac @ 000000000033a080] Qavg: 187.870 > > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".