[FFmpeg-trac] #6682(undetermined:new): hstack repeats input frames

[FFmpeg]

#6682: hstack repeats input frames
-------------------------------------+-------------------------------------
             Reporter:  damonmaria   |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  hstack       |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by damonmaria):

 Adding `-timestamps abs` didn't seen to affect it:
 {{{
 $ ffmpeg -i "rtsp://root:root@192.168.13.104/axis-
 media/media.amp?camera=1" -c:v copy -map 0:0 -t 10 -metadata
 title="rtsp://root:root@192.168.13.104/axis-media/media.amp?camera=1"
 -timestamps abs 2017-09-22T231000-1.mp4
 ffmpeg version 3.3.4-1~16.04.york0 Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.4) 20160609
   configuration: --prefix=/usr --extra-version='1~16.04.york0'
 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
 --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping
 --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libflite --enable-libfontconfig --enable-
 libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-
 libmp3lame --enable-libopenjpeg --enable-libopenmpt --enable-libopus
 --enable-libpulse --enable-librubberband --enable-libshine --enable-
 libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-
 libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-
 libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-
 libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl
 --enable-sdl2 --enable-libdc1394 --enable-libiec61883 --enable-chromaprint
 --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
   libavutil      55. 58.100 / 55. 58.100
   libavcodec     57. 89.100 / 57. 89.100
   libavformat    57. 71.100 / 57. 71.100
   libavdevice    57.  6.100 / 57.  6.100
   libavfilter     6. 82.100 /  6. 82.100
   libavresample   3.  5.  0 /  3.  5.  0
   libswscale      4.  6.100 /  4.  6.100
   libswresample   2.  7.100 /  2.  7.100
   libpostproc    54.  5.100 / 54.  5.100
 Input #0, rtsp, from 'rtsp://root:root@192.168.13.104/axis-
 media/media.amp?camera=1':
   Metadata:
     title           : Session streamed with GStreamer
     comment         : rtsp-server
   Duration: N/A, start: 0.250000, bitrate: N/A
     Stream #0:0: Video: h264 (Main), yuvj420p(pc, bt709, progressive),
 800x600 [SAR 1:1 DAR 4:3], 4 fps, 4 tbr, 90k tbn, 180k tbc
 Output #0, mp4, to '2017-09-22T231000-1.mp4':
   Metadata:
     comment         : rtsp-server
     title           : rtsp://root:root@192.168.13.104/axis-
 media/media.amp?camera=1
     encoder         : Lavf57.71.100
     Stream #0:0: Video: h264 (Main) ([33][0][0][0] / 0x0021), yuvj420p(pc,
 bt709, progressive), 800x600 [SAR 1:1 DAR 4:3], q=2-31, 4 fps, 4 tbr, 90k
 tbn, 90k tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 [mp4 @ 0x15bd592b80] 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 @ 0x15bd592b80] Non-monotonous DTS in output stream 0:0; previous: 0,
 current: 0; changing to 1. This may result in incorrect timestamps in the
 output file.
 frame=   41 fps= 12 q=-1.0 Lsize=     533kB time=00:00:09.75 bitrate=
 448.0kbits/s speed=2.79x
 video:532kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.253399%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6682#comment:11>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker