[FFmpeg-trac] #8746(undetermined:new): Frame rate doubled when using video copy codec
FFmpeg
trac at avcodec.org
Fri Jun 19 20:42:05 EEST 2020
#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):
Here the uncut FFmpeg log.
The final mp4 file has double FPS. The original has 29.97fps .. now it is
59.98fps
/Users/atari/Library/Application\ Support/FFmpegTools/ffmpeg\-2 -i
/Users/atari/Desktop/double\ fps\ after\ copy.m2ts -c:v copy -y
/Users/atari/Movies/double\ fps\ after\ copy.mp4
ffmpeg version 4.2.3-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. 31.100 / 56. 31.100
libavcodec 58. 54.100 / 58. 54.100
libavformat 58. 29.100 / 58. 29.100
libavdevice 58. 8.100 / 58. 8.100
libavfilter 7. 57.100 / 7. 57.100
libswscale 5. 5.100 / 5. 5.100
libswresample 3. 5.100 / 3. 5.100
libpostproc 55. 5.100 / 55. 5.100
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.mp4':
Metadata:
creation_time : now
encoder : Lavf58.29.100
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 @ 0x7fcd23008e00] 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 @ 0x7fcd23008e00] 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= 258x
video:242509kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.040097%
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8746#comment:1>
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