On Sat, Jan 2, 2021 at 11:14 AM dan <[email protected]> wrote:
>
> Hello all, I'm getting a number of mpeg2 errors
> My encode:
> ffmpeg -hwaccel qsv -i http://10.39.40.173:5004/auto/v2.1 -c:v
> hevc_qsv -c:a aac -b:a 64k -profile:v main -global_quality 30 -g 48
> -keyint_min 48 -sc_threshold 0 -hls_time 2 -hls_list_size 8
> -hls_segment_type mpegts -hls_flags delete_segments
> -hls_segment_filename video_%03d.ts video.m3u8
>
> i've tried w/o -hwaccel and also using vaapi and I get these same
> errors.  This same stream plays very happily on VLC and mplayer and no
> errors show up in the logs.
>
> Source is an HDHomeRun Quadro.  This manifests by the encode having
> more and more errors over time to the point that the output doesn't
> play and there are "non-monotonous DTS in output stream 0:1" errors
> (sorry, takes 10 hours and I didn't copy that output)
>
> This seems like an ffmpeg issue but I don't know where to look next.
>
> ubuntu
> ffmpeg version 4.3.1-4ubuntu1 Copyright (c) 2000-2020 the FFmpeg developers
>   built with gcc 10 (Ubuntu 10.2.0-9ubuntu2)
>
>
> [mpeg2video @ 0x55ff855da480] ac-tex damaged at 0 63
> [mpeg2video @ 0x55ff855da480] ac-tex damaged at 0 64
> [mpeg2video @ 0x55ff855da480] ac-tex damaged at 0 65
> [mpeg2video @ 0x55ff855da480] ac-tex damaged at 0 66
> [mpeg2video @ 0x55ff855da480] ac-tex damaged at 0 67
> [mpeg2video @ 0x55ff855da480] ac-tex damaged at 14 46
> [mpeg2video @ 0x55ff855da480] slice mismatch
> [mpeg2video @ 0x55ff855da480] 00 motion_type at 2 59
> [mpeg2video @ 0x55ff855da480] 00 motion_type at 7 37
> [mpeg2video @ 0x55ff855da480] 00 motion_type at 27 38
> [mpeg2video @ 0x55ff855da480] 00 motion_type at 11 47
> [mpeg2video @ 0x55ff855da480] ac-tex damaged at 7 27
> [mpeg2video @ 0x55ff855da480] ac-tex damaged at 0 28
> [mpeg2video @ 0x55ff855da480] 00 motion_type at 6 48
> [mpeg2video @ 0x55ff855da480] ac-tex damaged at 15 39
> [mpeg2video @ 0x55ff855da480] Invalid mb type in P-frame at 5 49
> [mpeg2video @ 0x55ff855da480] 00 motion_type at 6 50
> [mpeg2video @ 0x55ff855da480] Invalid mb type in P-frame at 3 51
> [mpeg2video @ 0x55ff855da480] 00 motion_type at 1 40
> [mpeg2video @ 0x55ff855da480] ac-tex damaged at 16 52
> [mpeg2video @ 0x55ff855da480] 00 motion_type at 8 41
> [mpeg2video @ 0x55ff855da480] 00 motion_type at 4 42
> [mpeg2video @ 0x55ff855da480] 00 motion_type at 9 43
> [mpeg2video @ 0x55ff855da480] invalid cbp -1 at 1 44
> [mpeg2video @ 0x55ff855da480] Warning MVs not available
>
>
> [mpeg2video @ 0x55ff855da480] ac-tex damaged at 76 53bitrate=N/A
> dup=100 drop=0 speed=1.01x
> [mpeg2video @ 0x55ff855da480] Warning MVs not available
> [mpeg2video @ 0x55ff855da480] concealing 693 DC, 693 AC, 693 MV errors
> in I frame
>
> [mpegts @ 0x55ff85593300] Packet corrupt (stream = 0, dts =
> 4179746053). drop=0 speed=1.01x
> [mpeg2video @ 0x55ff855da480] slice below image (69 >= 68)
> Error while decoding stream #0:0: Invalid data found when processing input

just some more details, here is the output just after the first ts is
made.   The errors will up continuously after this command.
root@video1:/var/www/html/2.1# ffmpeg -hwaccel qsv -i
http://10.39.40.173:5004/auto/v2.1 -c:v hevc_qsv -c:a aac -b:a 64k
-profile:v main -global_quality 30 -g 48 -keyint_min 48 -sc_threshold
0 -hls_time 2 -hls_list_size 8 -hls_segment_type mpegts -cc_stream_map
"ccgroup:cc,instreamid:CC1,language:en" -hls_flags delete_segments
-hls_segment_filename 720p_%03d.ts 720p.m3u8
ffmpeg version 4.3.1-4ubuntu1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 10 (Ubuntu 10.2.0-9ubuntu2)
  configuration: --prefix=/usr --extra-version=4ubuntu1
--toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
--incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
--disable-stripping --enable-avresample --disable-filter=resample
--enable-gnutls --enable-ladspa --enable-libaom --enable-libass
--enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio
--enable-libcodec2 --enable-libdav1d --enable-libflite
--enable-libfontconfig --enable-libfreetype --enable-libfribidi
--enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame
--enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
--enable-libopus --enable-libpulse --enable-librabbitmq
--enable-librsvg --enable-librubberband --enable-libshine
--enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt
--enable-libssh --enable-libtheora --enable-libtwolame
--enable-libvidstab --enable-libvorbis --enable-libvpx
--enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2
--enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2
--enable-omx --enable-openal --enable-opencl --enable-opengl
--enable-sdl2 --enable-pocketsphinx --enable-libmfx --enable-libdc1394
--enable-libdrm --enable-libiec61883 --enable-nvenc
--enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
  libpostproc    55.  7.100 / 55.  7.100
[mpeg2video @ 0x55bd8aece580] Invalid frame dimensions 0x0.
    Last message repeated 18 times
Input #0, mpegts, from 'http://10.39.40.173:5004/auto/v2.1':
  Duration: N/A, start: 47689.440967, bitrate: N/A
  Program 1
    Stream #0:0[0x31]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9],
Closed Captions, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Side data:
      cpb: bitrate max/min/avg: 80000000/0/0 buffer size: 9781248 vbv_delay: N/A
    Stream #0:1[0x34](eng): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
stereo, fltp, 192 kb/s
    Stream #0:2[0x35](eng): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
stereo, fltp, 96 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (mpeg2video (native) -> hevc (hevc_qsv))
  Stream #0:1 -> #0:1 (ac3 (native) -> aac (native))
Press [q] to stop, [?] for help
Output #0, hls, to '720p.m3u8':
  Metadata:
    encoder         : Lavf58.45.100
    Stream #0:0: Video: hevc (hevc_qsv), nv12, 1920x1080 [SAR 1:1 DAR
16:9], q=2-31, 1000 kb/s, 29.97 fps, 90k tbn, 29.97 tbc
    Metadata:
      encoder         : Lavc58.91.100 hevc_qsv
    Side data:
      cpb: bitrate max/min/avg: 0/0/1000000 buffer size: 0 vbv_delay: N/A
    Stream #0:1(eng): Audio: aac (LC), 48000 Hz, stereo, fltp, 64 kb/s
    Metadata:
      encoder         : Lavc58.91.100 aac
[hls @ 0x55bd8aee7940] Opening '720p_000.ts' for writingrate=N/A
dup=29 drop=0 speed=2.59x
[hls @ 0x55bd8aee7940] Opening '720p.m3u8.tmp' for writing
[hls @ 0x55bd8aee7940] Opening '720p_001.ts' for writingrate=N/A
dup=29 drop=0 speed=2.35x
[hls @ 0x55bd8aee7940] Opening '720p.m3u8.tmp' for writing
[hls @ 0x55bd8aee7940] Opening '720p_002.ts' for writingrate=N/A
dup=29 drop=0 speed=2.24x
[hls @ 0x55bd8aee7940] Opening '720p.m3u8.tmp' for writing
[hls @ 0x55bd8aee7940] Opening '720p_003.ts' for writing
[hls @ 0x55bd8aee7940] Opening '720p.m3u8.tmp' for writing
frame=  194 fps= 62 q=-0.0 Lsize=N/A time=00:00:06.30 bitrate=N/A
dup=29 drop=0 speed=2.01x
video:8928kB audio:49kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: unknown
[aac @ 0x55bd8aef87c0] Qavg: 149.014
Exiting normally, received signal 2.


also, HDHR shows 100 signal etc so that stream should in theory be good.
Frequency195.000 MHz
Program Number1
Modulation Lock8vsb
Signal Strength100%
Signal Quality100%
Symbol Quality100%
Streaming Rate13.476 Mbps
Resource Lock10.39.40.133
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