[FFmpeg-trac] #8746(undetermined:new): Frame rate doubled when using video copy codec

[FFmpeg]

#8746: Frame rate doubled when using video copy codec
-------------------------------------+-------------------------------------
             Reporter:  Atarikid     |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by Atarikid):

 And here the full uncut output (again but with the latest GIT).
 As said, no differences. The issue persist.

 /Users/atari/Library/Application\ Support/FFmpegTools/ffmpeggit -i
 /Users/atari/Desktop/double\ fps\ after\ copy.m2ts -c:v copy -y
 /Users/atari/Movies/double\ fps\ after\ copy_0.mp4

 ffmpeg version N-98248-ga37109d555-tessus  https://evermeet.cx/ffmpeg/
 Copyright (c) 2000-2020 the FFmpeg developers
   built with Apple clang version 11.0.0 (clang-1100.0.33.17)
   configuration: --cc=/usr/bin/clang --prefix=/opt/ffmpeg --extra-
 version=tessus --enable-avisynth --enable-fontconfig --enable-gpl
 --enable-libaom --enable-libass --enable-libbluray --enable-libdav1d
 --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-
 libmp3lame --enable-libmysofa --enable-libopencore-amrnb --enable-
 libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-
 libopus --enable-librubberband --enable-libshine --enable-libsnappy
 --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame
 --enable-libvidstab --enable-libvmaf --enable-libvo-amrwbenc --enable-
 libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-
 libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-
 libzimg --enable-libzmq --enable-libzvbi --enable-version3 --pkg-config-
 flags=--static --disable-ffplay
   libavutil      56. 55.100 / 56. 55.100
   libavcodec     58. 92.100 / 58. 92.100
   libavformat    58. 46.101 / 58. 46.101
   libavdevice    58. 11.100 / 58. 11.100
   libavfilter     7. 86.100 /  7. 86.100
   libswscale      5.  8.100 /  5.  8.100
   libswresample   3.  8.100 /  3.  8.100
   libpostproc    55.  8.100 / 55.  8.100
 Input #0, mpegts, from '/Users/atari/Desktop/double fps after copy.m2ts':
   Duration: 00:01:19.31, start: 1.402878, bitrate: 27861 kb/s
   Program 1
     Metadata:
       service_name    : Service01
       service_provider: FFmpeg
     Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B),
 yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps,
 29.97 tbr, 90k tbn, 59.94 tbc
     Stream #0:1[0x101]: Data: bin_data ([6][0][0][0] / 0x0006)
 Overriding aspect ratio with stream copy may produce invalid files
 Output #0, mp4, to '/Users/atari/Movies/double fps after copy_0.mp4':
   Metadata:
     creation_time   : now
     encoder         : Lavf58.46.101
     Stream #0:0: Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv,
 bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 29.97 fps, 29.97
 tbr, 90k tbn, 90k tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 [mp4 @ 0x7f9ff696b200] Timestamps are unset in a packet for stream 0. This
 is deprecated and will stop working in the future. Fix your code to set
 the timestamps properly
 [mp4 @ 0x7f9ff696b200] pts has no value
     Last message repeated 2371 times
 frame= 4744 fps=0.0 q=-1.0 Lsize=  242606kB time=00:01:19.02
 bitrate=25148.1kbits/s speed= 267x
 video:242509kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.040099%

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8746#comment:6>
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