[FFmpeg-trac] #4258(avcodec:new): HEVC Decoder Hang in Multi-threaded Slice Type Decoding

FFmpeg trac at avcodec.org
Tue Jan 13 20:01:01 CET 2015


#4258: HEVC Decoder Hang in Multi-threaded Slice Type Decoding
-------------------------------------+-------------------------------------
             Reporter:  jlsantiago0  |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  avcodec      |                  Version:  git-
             Keywords:  hevc         |  master
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
 Issue Description:

 I have been using the HEVC decoder in Multi-threaded Slice Type Decoding
 HEVC streams in TS over UDP. I would run into very intermittent situations
 where the HEVC decoder would fail to return from avcodec_decode_video2().
 Sometimes the issue would happen quickly (within a couple of hours) other
 times there would be days between failures. When I run the decoder in
 single threaded mode it never has an issue. So after some debugging, I
 found that when the decoder gets in this state all of the threads are
 blocked in ff_thread_await_progress2() apparently waiting for
 hls_slice_data_wpp() to finish. After looking at the issue for a bit, it
 seems that the hang can be caused by minor bitstream loss or corruption on
 the network stream. After a bit of work I was able to produce a somewhat
 minimal test case where I can reproduce the issue with the FFMPEG and the
 FFPLAY applications. I will attempt to attach the PCAP of the stream and
 the stack trace of FFMPEG and FFPLAY when they hang.

 How to reproduce:
 {{{

 % ffmpeg_gvcodec hevc -threads 10 -thread_type slice  -i
 udp://@239.36.13.100:4900 -f null /dev/null

 % ffplay_g -vcodec hevc -threads 10 -thread_type slice
 udp://@239.36.13.100:4900

 Built from GIT master branch ad465e789721194a6bc08a0b02dbbd9b19960f41 from
 20150107 .
 }}}

 Console Output:
 {{{
 ffmpeg version 2.5.git-VF Copyright (c) 2000-2015 the FFmpeg developers
   built on Jan 13 2015 12:24:20 with gcc 4.5.2 (GCC)
   configuration: --extra-version=VF
 --prefix=/mnt/centshare/ffmpeg/trunk/build/build-linux/stage --extra-
 cflags='-I/mnt/centshare/ffmpeg/trunk/build/../src/libavformat
 -I/mnt/centshare/ffmpeg/trunk/build/../src/libavcodec -I/usr/include/SDL
 -D_GNU_SOURCE=1 -D_REENTRANT' --extra-
 ldflags='-L/mnt/centshare/ffmpeg/trunk/build/build-linux/stage/lib
 -Wl,-rpath -Wl,/mnt/centshare/ffmpeg/trunk/build/build-linux/stage/lib
 -I/usr/include/SDL -D_GNU_SOURCE=1 -D_REENTRANT ' --enable-static
 --disable-shared --enable-avfilter --enable-pthreads --enable-zlib
 --enable-bzlib --enable-runtime-cpudetect --enable-hardcoded-tables
   libavutil      54. 16.100 / 54. 16.100
   libavcodec     56. 20.100 / 56. 20.100
   libavformat    56. 18.100 / 56. 18.100
   libavdevice    56.  3.100 / 56.  3.100
   libavfilter     5.  6.100 /  5.  6.100
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  1.100 /  1.  1.100
 [hevc @ 0x9382220] PPS id out of range: 0
     Last message repeated 1 times
 [hevc @ 0x9382220] Error parsing NAL unit #2.
 [hevc @ 0x9382220] PPS id out of range: 0
     Last message repeated 1 times
 [hevc @ 0x9382220] Error parsing NAL unit #2.
 [hevc @ 0x9382220] PPS id out of range: 0
     Last message repeated 1 times
 ...
 [hevc @ 0x9382220] Error parsing NAL unit #2.
 [mpegts @ 0x9363960] DTS 2559798793 < 2562088580 out of order
 Input #0, mpegts, from 'udp://@239.36.13.100:4900':
   Duration: N/A, start: 28466.483056, bitrate: N/A
   Program 1
     Metadata:
       service_name    : Haivision Network Video Media Server
       service_provider: Haivision Network Video http://www.haivision.com
     Stream #0:0[0x100]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000
 Hz, stereo, fltp, 142 kb/s
     Stream #0:1[0x21]: Video: hevc (Main) ([36][0][0][0] / 0x0024),
 yuv420p(tv), 1280x720 [SAR 1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 90k tbn,
 29.97 tbc
 Output #0, null, to '/dev/null':
   Metadata:
     encoder         : Lavf56.18.100
     Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 1280x720
 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc
     Metadata:
       encoder         : Lavc56.20.100 rawvideo
     Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
     Metadata:
       encoder         : Lavc56.20.100 pcm_s16le
 Stream mapping:
   Stream #0:1 -> #0:0 (hevc (native) -> rawvideo (native))
   Stream #0:0 -> #0:1 (aac (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 ...
 [hevc @ 0x9443860] Error parsing NAL unit #2.
 [hevc @ 0x9443860] Could not find ref with POC 23
 [hevc @ 0x9443860] Could not find ref with POC 22
 frame=   52 fps=0.0 q=0.0 size=N/A time=00:00:03.18 bitrate=N/A
 frame=  101 fps=100 q=0.0 size=N/A time=00:00:04.81 bitrate=N/A
 frame=  157 fps=103 q=0.0 size=N/A time=00:00:06.68 bitrate=N/A
 frame=  179 fps= 88 q=0.0 size=N/A time=00:00:07.43 bitrate=N/A
 frame=  196 fps= 77 q=0.0 size=N/A time=00:00:07.96 bitrate=N/A
 frame=  211 fps= 69 q=0.0 size=N/A time=00:00:08.50 bitrate=N/A
 frame=  226 fps= 63 q=0.0 size=N/A time=00:00:08.99 bitrate=N/A
 frame=  242 fps= 59 q=0.0 size=N/A time=00:00:09.50 bitrate=N/A
 frame=  257 fps= 56 q=0.0 size=N/A time=00:00:10.03 bitrate=N/A
 frame=  273 fps= 53 q=0.0 size=N/A time=00:00:10.52 bitrate=N/A
 frame=  288 fps= 51 q=0.0 size=N/A time=00:00:11.06 bitrate=N/A
 frame=  304 fps= 49 q=0.0 size=N/A time=00:00:11.57 bitrate=N/A
 frame=  320 fps= 48 q=0.0 size=N/A time=00:00:12.08 bitrate=N/A
 frame=  335 fps= 47 q=0.0 size=N/A time=00:00:12.59 bitrate=N/A
 frame=  350 fps= 45 q=0.0 size=N/A time=00:00:13.13 bitrate=N/A
 frame=  365 fps= 44 q=0.0 size=N/A time=00:00:13.62 bitrate=N/A
 frame=  381 fps= 44 q=0.0 size=N/A time=00:00:14.17 bitrate=N/A
 frame=  396 fps= 43 q=0.0 size=N/A time=00:00:14.64 bitrate=N/A
 frame=  412 fps= 42 q=0.0 size=N/A time=00:00:15.17 bitrate=N/A
 frame=  427 fps= 42 q=0.0 size=N/A time=00:00:15.66 bitrate=N/A
 frame=  443 fps= 41 q=0.0 size=N/A time=00:00:16.18 bitrate=N/A
 frame=  458 fps= 40 q=0.0 size=N/A time=00:00:16.69 bitrate=N/A
 frame=  473 fps= 40 q=0.0 size=N/A time=00:00:17.24 bitrate=N/A
 frame=  487 fps= 39 q=0.0 size=N/A time=00:00:17.71 bitrate=N/A
 frame=  505 fps= 39 q=0.0 size=N/A time=00:00:18.29 bitrate=N/A
 frame=  519 fps= 39 q=0.0 size=N/A time=00:00:18.74 bitrate=N/A
 frame=  534 fps= 39 q=0.0 size=N/A time=00:00:19.27 bitrate=N/A
 frame=  548 fps= 38 q=0.0 size=N/A time=00:00:19.74 bitrate=N/A
 frame=  564 fps= 38 q=0.0 size=N/A time=00:00:20.27 bitrate=N/A
 frame=  579 fps= 38 q=0.0 size=N/A time=00:00:20.74 bitrate=N/A
 frame=  593 fps= 37 q=0.0 size=N/A time=00:00:21.21 bitrate=N/A
 frame=  608 fps= 37 q=0.0 size=N/A time=00:00:21.72 bitrate=N/A
 frame=  625 fps= 37 q=0.0 size=N/A time=00:00:22.32 bitrate=N/A
 frame=  642 fps= 37 q=0.0 size=N/A time=00:00:22.85 bitrate=N/A
 frame=  657 fps= 37 q=0.0 size=N/A time=00:00:23.37 bitrate=N/A
 frame=  672 fps= 36 q=0.0 size=N/A time=00:00:23.90 bitrate=N/A
 frame=  687 fps= 36 q=0.0 size=N/A time=00:00:24.39 bitrate=N/A
 frame=  702 fps= 36 q=0.0 size=N/A time=00:00:24.88 bitrate=N/A
 frame=  717 fps= 36 q=0.0 size=N/A time=00:00:25.39 bitrate=N/A
 frame=  733 fps= 36 q=0.0 size=N/A time=00:00:25.93 bitrate=N/A
 frame=  748 fps= 36 q=0.0 size=N/A time=00:00:26.40 bitrate=N/A
 frame=  763 fps= 35 q=0.0 size=N/A time=00:00:26.91 bitrate=N/A
 [mpegts @ 0x9363960] DTS 2559798793 < 2562088580 out of order
 [hevc @ 0x9443860] Could not find ref with POC 23
 [hevc @ 0x9443860] Could not find ref with POC 22
 frame=  773 fps= 35 q=0.0 size=N/A time=00:00:27.27 bitrate=N/A
 frame=  788 fps= 35 q=0.0 size=N/A time=00:00:27.78 bitrate=N/A
 frame=  804 fps= 35 q=0.0 size=N/A time=00:00:28.32 bitrate=N/A
 frame=  818 fps= 35 q=0.0 size=N/A time=00:00:28.78 bitrate=N/A
 frame=  834 fps= 35 q=0.0 size=N/A time=00:00:29.32 bitrate=N/A
 frame=  849 fps= 35 q=0.0 size=N/A time=00:00:29.83 bitrate=N/A
 frame=  865 fps= 34 q=0.0 size=N/A time=00:00:30.34 bitrate=N/A
 frame=  881 fps= 34 q=0.0 size=N/A time=00:00:30.88 bitrate=N/A
 frame=  896 fps= 34 q=0.0 size=N/A time=00:00:31.37 bitrate=N/A
 frame=  911 fps= 34 q=0.0 size=N/A time=00:00:31.90 bitrate=N/A
 frame=  927 fps= 34 q=0.0 size=N/A time=00:00:32.37 bitrate=N/A
 frame=  941 fps= 34 q=0.0 size=N/A time=00:00:32.88 bitrate=N/A
 frame=  957 fps= 34 q=0.0 size=N/A time=00:00:33.41 bitrate=N/A
 frame=  972 fps= 34 q=0.0 size=N/A time=00:00:33.93 bitrate=N/A
 frame=  987 fps= 34 q=0.0 size=N/A time=00:00:34.42 bitrate=N/A
 frame= 1003 fps= 34 q=0.0 size=N/A time=00:00:34.93 bitrate=N/A
 frame= 1018 fps= 34 q=0.0 size=N/A time=00:00:35.46 bitrate=N/A
 frame= 1034 fps= 34 q=0.0 size=N/A time=00:00:35.95 bitrate=N/A
 frame= 1049 fps= 34 q=0.0 size=N/A time=00:00:36.46 bitrate=N/A
 frame= 1065 fps= 34 q=0.0 size=N/A time=00:00:36.98 bitrate=N/A
 frame= 1079 fps= 33 q=0.0 size=N/A time=00:00:37.47 bitrate=N/A
 frame= 1094 fps= 33 q=0.0 size=N/A time=00:00:37.98 bitrate=N/A
 frame= 1109 fps= 33 q=0.0 size=N/A time=00:00:38.49 bitrate=N/A
 frame= 1124 fps= 33 q=0.0 size=N/A time=00:00:38.96 bitrate=N/A
 frame= 1140 fps= 33 q=0.0 size=N/A time=00:00:39.47 bitrate=N/A
 frame= 1154 fps= 33 q=0.0 size=N/A time=00:00:40.01 bitrate=N/A
 frame= 1170 fps= 33 q=0.0 size=N/A time=00:00:40.52 bitrate=N/A
 frame= 1185 fps= 33 q=0.0 size=N/A time=00:00:41.03 bitrate=N/A
 frame= 1201 fps= 33 q=0.0 size=N/A time=00:00:41.54 bitrate=N/A
 frame= 1216 fps= 33 q=0.0 size=N/A time=00:00:42.03 bitrate=N/A
 frame= 1231 fps= 33 q=0.0 size=N/A time=00:00:42.54 bitrate=N/A
 frame= 1246 fps= 33 q=0.0 size=N/A time=00:00:43.04 bitrate=N/A
 frame= 1261 fps= 33 q=0.0 size=N/A time=00:00:43.55 bitrate=N/A
 frame= 1276 fps= 33 q=0.0 size=N/A time=00:00:44.04 bitrate=N/A
 frame= 1289 fps= 33 q=0.0 size=N/A time=00:00:44.49 bitrate=N/A
 frame= 1306 fps= 33 q=0.0 size=N/A time=00:00:45.06 bitrate=N/A
 frame= 1320 fps= 33 q=0.0 size=N/A time=00:00:45.53 bitrate=N/A
 frame= 1337 fps= 33 q=0.0 size=N/A time=00:00:46.06 bitrate=N/A
 frame= 1352 fps= 33 q=0.0 size=N/A time=00:00:46.56 bitrate=N/A
 frame= 1366 fps= 33 q=0.0 size=N/A time=00:00:47.07 bitrate=N/A
 frame= 1382 fps= 33 q=0.0 size=N/A time=00:00:47.62 bitrate=N/A
 frame= 1398 fps= 33 q=0.0 size=N/A time=00:00:48.13 bitrate=N/A
 frame= 1413 fps= 33 q=0.0 size=N/A time=00:00:48.67 bitrate=N/A
 frame= 1428 fps= 33 q=0.0 size=N/A time=00:00:49.16 bitrate=N/A
 frame= 1444 fps= 32 q=0.0 size=N/A time=00:00:49.67 bitrate=N/A
 frame= 1459 fps= 32 q=0.0 size=N/A time=00:00:50.16 bitrate=N/A
 frame= 1474 fps= 32 q=0.0 size=N/A time=00:00:50.67 bitrate=N/A
 frame= 1489 fps= 32 q=0.0 size=N/A time=00:00:51.18 bitrate=N/A
 frame= 1504 fps= 32 q=0.0 size=N/A time=00:00:51.68 bitrate=N/A
 frame= 1519 fps= 32 q=0.0 size=N/A time=00:00:52.21 bitrate=N/A
 frame= 1530 fps= 32 q=0.0 size=N/A time=00:00:52.57 bitrate=N/A
 [mpegts @ 0x9363960] DTS 2559798793 < 2562088580 out of order
 [hevc @ 0x9443860] Could not find ref with POC 23
 [hevc @ 0x9443860] Could not find ref with POC 22
 frame= 1546 fps= 32 q=0.0 size=N/A time=00:00:53.10 bitrate=N/A
 frame= 1561 fps= 32 q=0.0 size=N/A time=00:00:53.60 bitrate=N/A
 frame= 1577 fps= 32 q=0.0 size=N/A time=00:00:54.15 bitrate=N/A
 frame= 1591 fps= 32 q=0.0 size=N/A time=00:00:54.62 bitrate=N/A
 frame= 1608 fps= 32 q=0.0 size=N/A time=00:00:55.13 bitrate=N/A
 frame= 1623 fps= 32 q=0.0 size=N/A time=00:00:55.64 bitrate=N/A
 frame= 1638 fps= 32 q=0.0 size=N/A time=00:00:56.18 bitrate=N/A
 frame= 1652 fps= 32 q=0.0 size=N/A time=00:00:56.65 bitrate=N/A
 frame= 1669 fps= 32 q=0.0 size=N/A time=00:00:57.16 bitrate=N/A
 frame= 1683 fps= 32 q=0.0 size=N/A time=00:00:57.67 bitrate=N/A
 frame= 1699 fps= 32 q=0.0 size=N/A time=00:00:58.20 bitrate=N/A
 frame= 1714 fps= 32 q=0.0 size=N/A time=00:00:58.67 bitrate=N/A
 frame= 1729 fps= 32 q=0.0 size=N/A time=00:00:59.21 bitrate=N/A
 frame= 1744 fps= 32 q=0.0 size=N/A time=00:00:59.68 bitrate=N/A
 frame= 1759 fps= 32 q=0.0 size=N/A time=00:01:00.21 bitrate=N/A
 frame= 1774 fps= 32 q=0.0 size=N/A time=00:01:00.70 bitrate=N/A
 frame= 1789 fps= 32 q=0.0 size=N/A time=00:01:01.21 bitrate=N/A
 frame= 1804 fps= 32 q=0.0 size=N/A time=00:01:01.72 bitrate=N/A
 frame= 1820 fps= 32 q=0.0 size=N/A time=00:01:02.21 bitrate=N/A
 frame= 1835 fps= 32 q=0.0 size=N/A time=00:01:02.75 bitrate=N/A
 frame= 1849 fps= 32 q=0.0 size=N/A time=00:01:03.22 bitrate=N/A
 frame= 1865 fps= 32 q=0.0 size=N/A time=00:01:03.73 bitrate=N/A
 frame= 1881 fps= 32 q=0.0 size=N/A time=00:01:04.26 bitrate=N/A
 frame= 1895 fps= 32 q=0.0 size=N/A time=00:01:04.75 bitrate=N/A
 frame= 1911 fps= 32 q=0.0 size=N/A time=00:01:05.29 bitrate=N/A
 frame= 1928 fps= 32 q=0.0 size=N/A time=00:01:05.80 bitrate=N/A
 frame= 1944 fps= 32 q=0.0 size=N/A time=00:01:06.33 bitrate=N/A
 frame= 1959 fps= 32 q=0.0 size=N/A time=00:01:06.84 bitrate=N/A
 frame= 1975 fps= 32 q=0.0 size=N/A time=00:01:07.38 bitrate=N/A
 frame= 1991 fps= 32 q=0.0 size=N/A time=00:01:07.91 bitrate=N/A
 frame= 2006 fps= 32 q=0.0 size=N/A time=00:01:08.40 bitrate=N/A
 frame= 2019 fps= 32 q=0.0 size=N/A time=00:01:08.87 bitrate=N/A
 frame= 2036 fps= 32 q=0.0 size=N/A time=00:01:09.45 bitrate=N/A
 frame= 2050 fps= 32 q=0.0 size=N/A time=00:01:09.87 bitrate=N/A
 frame= 2065 fps= 32 q=0.0 size=N/A time=00:01:10.41 bitrate=N/A
 frame= 2080 fps= 32 q=0.0 size=N/A time=00:01:10.92 bitrate=N/A
 frame= 2097 fps= 32 q=0.0 size=N/A time=00:01:11.49 bitrate=N/A
 frame= 2111 fps= 32 q=0.0 size=N/A time=00:01:11.92 bitrate=N/A
 frame= 2125 fps= 32 q=0.0 size=N/A time=00:01:12.43 bitrate=N/A
 frame= 2141 fps= 32 q=0.0 size=N/A time=00:01:12.99 bitrate=N/A
 frame= 2157 fps= 31 q=0.0 size=N/A time=00:01:13.52 bitrate=N/A
 frame= 2172 fps= 31 q=0.0 size=N/A time=00:01:14.01 bitrate=N/A
 frame= 2187 fps= 31 q=0.0 size=N/A time=00:01:14.52 bitrate=N/A
 frame= 2203 fps= 31 q=0.0 size=N/A time=00:01:15.01 bitrate=N/A
 frame= 2218 fps= 31 q=0.0 size=N/A time=00:01:15.50 bitrate=N/A
 frame= 2233 fps= 31 q=0.0 size=N/A time=00:01:16.04 bitrate=N/A
 frame= 2248 fps= 31 q=0.0 size=N/A time=00:01:16.55 bitrate=N/A
 frame= 2263 fps= 31 q=0.0 size=N/A time=00:01:17.06 bitrate=N/A
 frame= 2278 fps= 31 q=0.0 size=N/A time=00:01:17.57 bitrate=N/A
 frame= 2293 fps= 31 q=0.0 size=N/A time=00:01:18.06 bitrate=N/A
 [mpegts @ 0x9363960] DTS 2559798793 < 2562088580 out of order
 [hevc @ 0x9443860] Could not find ref with POC 23
 [hevc @ 0x9443860] Could not find ref with POC 22
 frame= 2309 fps= 31 q=0.0 size=N/A time=00:01:18.60 bitrate=N/A
 frame= 2324 fps= 31 q=0.0 size=N/A time=00:01:19.09 bitrate=N/A
 frame= 2340 fps= 31 q=0.0 size=N/A time=00:01:19.64 bitrate=N/A
 frame= 2354 fps= 31 q=0.0 size=N/A time=00:01:20.11 bitrate=N/A
 frame= 2371 fps= 31 q=0.0 size=N/A time=00:01:20.62 bitrate=N/A
 frame= 2386 fps= 31 q=0.0 size=N/A time=00:01:21.14 bitrate=N/A
 frame= 2401 fps= 31 q=0.0 size=N/A time=00:01:21.67 bitrate=N/A
 frame= 2416 fps= 31 q=0.0 size=N/A time=00:01:22.14 bitrate=N/A
 frame= 2432 fps= 31 q=0.0 size=N/A time=00:01:22.65 bitrate=N/A
 frame= 2446 fps= 31 q=0.0 size=N/A time=00:01:23.16 bitrate=N/A
 frame= 2462 fps= 31 q=0.0 size=N/A time=00:01:23.70 bitrate=N/A
 frame= 2477 fps= 31 q=0.0 size=N/A time=00:01:24.17 bitrate=N/A
 frame= 2492 fps= 31 q=0.0 size=N/A time=00:01:24.70 bitrate=N/A
 frame= 2507 fps= 31 q=0.0 size=N/A time=00:01:25.17 bitrate=N/A
 frame= 2522 fps= 31 q=0.0 size=N/A time=00:01:25.70 bitrate=N/A
 frame= 2537 fps= 31 q=0.0 size=N/A time=00:01:26.19 bitrate=N/A
 frame= 2553 fps= 31 q=0.0 size=N/A time=00:01:26.73 bitrate=N/A
 frame= 2568 fps= 31 q=0.0 size=N/A time=00:01:27.24 bitrate=N/A
 frame= 2583 fps= 31 q=0.0 size=N/A time=00:01:27.73 bitrate=N/A
 frame= 2599 fps= 31 q=0.0 size=N/A time=00:01:28.24 bitrate=N/A
 frame= 2613 fps= 31 q=0.0 size=N/A time=00:01:28.73 bitrate=N/A
 frame= 2628 fps= 31 q=0.0 size=N/A time=00:01:29.22 bitrate=N/A
 frame= 2644 fps= 31 q=0.0 size=N/A time=00:01:29.76 bitrate=N/A
 frame= 2658 fps= 31 q=0.0 size=N/A time=00:01:30.25 bitrate=N/A
 frame= 2674 fps= 31 q=0.0 size=N/A time=00:01:30.78 bitrate=N/A
 frame= 2691 fps= 31 q=0.0 size=N/A time=00:01:31.29 bitrate=N/A
 frame= 2707 fps= 31 q=0.0 size=N/A time=00:01:31.82 bitrate=N/A
 frame= 2722 fps= 31 q=0.0 size=N/A time=00:01:32.34 bitrate=N/A
 frame= 2738 fps= 31 q=0.0 size=N/A time=00:01:32.87 bitrate=N/A
 frame= 2753 fps= 31 q=0.0 size=N/A time=00:01:33.40 bitrate=N/A
 frame= 2768 fps= 31 q=0.0 size=N/A time=00:01:33.89 bitrate=N/A
 frame= 2780 fps= 31 q=0.0 size=N/A time=00:01:34.32 bitrate=N/A
 frame= 2799 fps= 31 q=0.0 size=N/A time=00:01:34.92 bitrate=N/A
 frame= 2813 fps= 31 q=0.0 size=N/A time=00:01:35.37 bitrate=N/A
 frame= 2828 fps= 31 q=0.0 size=N/A time=00:01:35.90 bitrate=N/A
 frame= 2843 fps= 31 q=0.0 size=N/A time=00:01:36.41 bitrate=N/A
 frame= 2860 fps= 31 q=0.0 size=N/A time=00:01:36.99 bitrate=N/A
 frame= 2874 fps= 31 q=0.0 size=N/A time=00:01:37.41 bitrate=N/A
 frame= 2888 fps= 31 q=0.0 size=N/A time=00:01:37.93 bitrate=N/A
 frame= 2904 fps= 31 q=0.0 size=N/A time=00:01:38.46 bitrate=N/A
 frame= 2920 fps= 31 q=0.0 size=N/A time=00:01:39.01 bitrate=N/A
 frame= 2935 fps= 31 q=0.0 size=N/A time=00:01:39.50 bitrate=N/A
 frame= 2950 fps= 31 q=0.0 size=N/A time=00:01:40.02 bitrate=N/A
 frame= 2966 fps= 31 q=0.0 size=N/A time=00:01:40.51 bitrate=N/A
 frame= 2981 fps= 31 q=0.0 size=N/A time=00:01:41.00 bitrate=N/A
 frame= 2996 fps= 31 q=0.0 size=N/A time=00:01:41.53 bitrate=N/A
 frame= 3011 fps= 31 q=0.0 size=N/A time=00:01:42.04 bitrate=N/A
 frame= 3026 fps= 31 q=0.0 size=N/A time=00:01:42.56 bitrate=N/A
 frame= 3041 fps= 31 q=0.0 size=N/A time=00:01:43.07 bitrate=N/A
 frame= 3056 fps= 31 q=0.0 size=N/A time=00:01:43.56 bitrate=N/A
 [mpegts @ 0x9363960] DTS 2559798793 < 2562088580 out of order
 [hevc @ 0x9443860] Could not find ref with POC 23
 [hevc @ 0x9443860] Could not find ref with POC 22
 frame= 3072 fps= 31 q=0.0 size=N/A time=00:01:44.09 bitrate=N/A
 frame= 3087 fps= 31 q=0.0 size=N/A time=00:01:44.58 bitrate=N/A
 frame= 3103 fps= 31 q=0.0 size=N/A time=00:01:45.14 bitrate=N/A
 frame= 3117 fps= 31 q=0.0 size=N/A time=00:01:45.61 bitrate=N/A
 frame= 3134 fps= 31 q=0.0 size=N/A time=00:01:46.12 bitrate=N/A
 frame= 3149 fps= 31 q=0.0 size=N/A time=00:01:46.63 bitrate=N/A
 frame= 3164 fps= 31 q=0.0 size=N/A time=00:01:47.16 bitrate=N/A
 frame= 3178 fps= 31 q=0.0 size=N/A time=00:01:47.61 bitrate=N/A
 frame= 3195 fps= 31 q=0.0 size=N/A time=00:01:48.14 bitrate=N/A
 frame= 3209 fps= 31 q=0.0 size=N/A time=00:01:48.66 bitrate=N/A
 frame= 3225 fps= 31 q=0.0 size=N/A time=00:01:49.19 bitrate=N/A
 frame= 3240 fps= 31 q=0.0 size=N/A time=00:01:49.66 bitrate=N/A
 frame= 3255 fps= 31 q=0.0 size=N/A time=00:01:50.19 bitrate=N/A
 frame= 3270 fps= 31 q=0.0 size=N/A time=00:01:50.66 bitrate=N/A
 frame= 3285 fps= 31 q=0.0 size=N/A time=00:01:51.20 bitrate=N/A
 frame= 3300 fps= 31 q=0.0 size=N/A time=00:01:51.69 bitrate=N/A
 frame= 3315 fps= 31 q=0.0 size=N/A time=00:01:52.20 bitrate=N/A
 frame= 3330 fps= 31 q=0.0 size=N/A time=00:01:52.71 bitrate=N/A
 frame= 3346 fps= 31 q=0.0 size=N/A time=00:01:53.20 bitrate=N/A
 frame= 3361 fps= 31 q=0.0 size=N/A time=00:01:53.73 bitrate=N/A
 frame= 3375 fps= 31 q=0.0 size=N/A time=00:01:54.20 bitrate=N/A
 frame= 3391 fps= 31 q=0.0 size=N/A time=00:01:54.72 bitrate=N/A
 frame= 3407 fps= 31 q=0.0 size=N/A time=00:01:55.25 bitrate=N/A
 frame= 3421 fps= 31 q=0.0 size=N/A time=00:01:55.74 bitrate=N/A
 frame= 3437 fps= 31 q=0.0 size=N/A time=00:01:56.27 bitrate=N/A
 frame= 3454 fps= 31 q=0.0 size=N/A time=00:01:56.78 bitrate=N/A
 frame= 3470 fps= 31 q=0.0 size=N/A time=00:01:57.32 bitrate=N/A
 frame= 3485 fps= 31 q=0.0 size=N/A time=00:01:57.83 bitrate=N/A
 frame= 3501 fps= 31 q=0.0 size=N/A time=00:01:58.36 bitrate=N/A
 frame= 3516 fps= 31 q=0.0 size=N/A time=00:01:58.90 bitrate=N/A
 frame= 3531 fps= 31 q=0.0 size=N/A time=00:01:59.39 bitrate=N/A
 frame= 3543 fps= 31 q=0.0 size=N/A time=00:01:59.81 bitrate=N/A
 frame= 3562 fps= 31 q=0.0 size=N/A time=00:02:00.41 bitrate=N/A
 frame= 3576 fps= 31 q=0.0 size=N/A time=00:02:00.86 bitrate=N/A
 frame= 3591 fps= 31 q=0.0 size=N/A time=00:02:01.39 bitrate=N/A
 frame= 3606 fps= 31 q=0.0 size=N/A time=00:02:01.90 bitrate=N/A
 frame= 3623 fps= 31 q=0.0 size=N/A time=00:02:02.48 bitrate=N/A
 frame= 3637 fps= 31 q=0.0 size=N/A time=00:02:02.91 bitrate=N/A
 frame= 3651 fps= 31 q=0.0 size=N/A time=00:02:03.42 bitrate=N/A
 frame= 3667 fps= 31 q=0.0 size=N/A time=00:02:03.97 bitrate=N/A
 frame= 3683 fps= 31 q=0.0 size=N/A time=00:02:04.51 bitrate=N/A
 frame= 3698 fps= 31 q=0.0 size=N/A time=00:02:05.00 bitrate=N/A
 frame= 3713 fps= 31 q=0.0 size=N/A time=00:02:05.51 bitrate=N/A
 frame= 3729 fps= 31 q=0.0 size=N/A time=00:02:06.00 bitrate=N/A
 frame= 3744 fps= 31 q=0.0 size=N/A time=00:02:06.49 bitrate=N/A
 frame= 3759 fps= 31 q=0.0 size=N/A time=00:02:07.02 bitrate=N/A
 frame= 3774 fps= 31 q=0.0 size=N/A time=00:02:07.54 bitrate=N/A
 frame= 3789 fps= 31 q=0.0 size=N/A time=00:02:08.05 bitrate=N/A
 frame= 3804 fps= 31 q=0.0 size=N/A time=00:02:08.56 bitrate=N/A
 frame= 3819 fps= 31 q=0.0 size=N/A time=00:02:09.05 bitrate=N/A
 [udp @ 0x93632c0] Circular buffer overrun. To avoid, increase fifo_size
 URL option. To survive in such case, use overrun_nonfatal option
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4258>
FFmpeg <https://ffmpeg.org>
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