tpad filter doesn't work with -r on input

[occvtech]

I'm trying to use the tpad filter on file inputs that also need their framerate changed. If I use the -r flag on the input file, the output ends up duplicating the last frame of the file for a really long (arbitrary time), and throws an error saying "More than 1000 frames duplicated'.

Here's an example of the command:

ffmpeg -r 15 -i INPUT -filter_complex "[0:v]tpad=stop_duration=5[out]" -map [out] OUTPUT

If instead, I remove the -r 15, and instead use the -framerate flag or the frame rate filter, then the command works properly.

[Carl Eugen Hoyos]

Please provide the command line you tested together with the complete, uncut console output to make this a valid ticket.

[occvtech]

C:\Users\User>ffmpeg -r 15 -i D:\test.264 -filter_complex "[0:v]tpad=stop_duration=5[out]" -map [out] d:\output.mp4
ffmpeg version git-2019-11-14-73ee53f Copyright (c) 2000-2019 the FFmpeg developers

built with gcc 9.2.1 (GCC) 20191010
configuration: --disable-static --enable-shared --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-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 --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
libavutil 56. 35.101 / 56. 35.101
libavcodec 58. 62.100 / 58. 62.100
libavformat 58. 35.100 / 58. 35.100
libavdevice 58. 9.100 / 58. 9.100
libavfilter 7. 66.100 / 7. 66.100
libswscale 5. 6.100 / 5. 6.100
libswresample 3. 6.100 / 3. 6.100
libpostproc 55. 6.100 / 55. 6.100

Input #0, h264, from 'D:\test.264':

Duration: N/A, bitrate: N/A

Stream #0:0: Video: h264 (Constrained Baseline), yuv420p(progressive), 352x240, 25 fps, 25 tbr, 1200k tbn, 50 tbc

Stream mapping:

Stream #0:0 (h264) -> tpad
tpad -> Stream #0:0 (libx264)

Press [q] to stop, ? for help
[libx264 @ 000001ae46a41980] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 000001ae46a41980] profile High, level 1.2, 4:2:0, 8-bit
[libx264 @ 000001ae46a41980] 264 - core 158 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - ​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=7 lookahead_threads=1 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=15 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 'd:\output.mp4':

Metadata:

encoder : Lavf58.35.100
Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 352x240, q=-1--1, 15 fps, 15360 tbn, 15 tbc
Metadata:

encoder : Lavc58.62.100 libx264

Side data:

cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A

More than 1000 frames duplicated
frame=48380 fps=2757 q=-1.0 Lsize= 7491kB time=00:53:45.13 bitrate= 19.0kbits/s dup=47999 drop=0 speed= 184x
video:6924kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 8.188529%
[libx264 @ 000001ae46a41980] frame I:194 Avg QP:14.84 size: 28419
[libx264 @ 000001ae46a41980] frame P:12206 Avg QP:15.96 size: 65
[libx264 @ 000001ae46a41980] frame B:35980 Avg QP:24.33 size: 22
[libx264 @ 000001ae46a41980] consecutive B-frames: 0.8% 0.0% 0.0% 99.1%
[libx264 @ 000001ae46a41980] mb I I16..4: 2.2% 17.6% 80.2%
[libx264 @ 000001ae46a41980] mb P I16..4: 0.0% 0.0% 0.0% P16..4: 0.6% 0.1% 0.1% 0.0% 0.0% skip:99.1%
[libx264 @ 000001ae46a41980] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 0.1% 0.1% 0.0% direct: 0.0% skip:99.8% L0:43.1% L1:45.1% BI:11.9%
[libx264 @ 000001ae46a41980] 8x8 transform intra:17.8% inter:22.9%
[libx264 @ 000001ae46a41980] coded y,uvDC,uvAC intra: 98.5% 65.4% 53.5% inter: 0.1% 0.1% 0.0%
[libx264 @ 000001ae46a41980] i16 v,h,dc,p: 1% 16% 28% 56%
[libx264 @ 000001ae46a41980] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 8% 36% 18% 4% 4% 4% 10% 4% 13%
[libx264 @ 000001ae46a41980] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 31% 12% 5% 5% 5% 12% 5% 15%
[libx264 @ 000001ae46a41980] i8c dc,h,v,p: 37% 33% 18% 13%
[libx264 @ 000001ae46a41980] Weighted P-Frames: Y:0.1% UV:0.0%
[libx264 @ 000001ae46a41980] ref P L0: 82.0% 6.5% 8.4% 2.8% 0.3%
[libx264 @ 000001ae46a41980] ref B L0: 93.7% 5.0% 1.3%
[libx264 @ 000001ae46a41980] ref B L1: 97.3% 2.7%
[libx264 @ 000001ae46a41980] kb/s:17.59

[occvtech]

Replying to cehoyos:

Please provide the command line you tested together with the complete, uncut console output to make this a valid ticket.

Does the above provide the details you need? If I can help in any other way, please let me know.

[Elon Musk]

As workaround use -framerate demuxer option instead of -r