[FFmpeg-trac] #10062(undetermined:new): av1_qsv produces incorrect output files

FFmpeg trac at avcodec.org
Wed Nov 23 11:35:05 EET 2022


#10062: av1_qsv produces incorrect output files
-------------------------------------+-------------------------------------
             Reporter:  oviano       |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  qsv          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by oviano):

 Hello Carl, yes it reproduces using git head. Actually the above test was
 git head plus some of my own completely-unrelated modifications, but just
 to be sure I rebuilt against pure git head.

 The odd thing about this, is that AV1 does not define
 AV_CODEC_PROP_REORDER yet QSV is outputting frames where PTS is out of
 order (but DTS is in order). This means further along the processing chain
 the DTS is set to the PTS as some sort of safety-check, and then of course
 further along again this is detected as out of order DTS.

 Is qsvenc meant to do some re-ordering of its own before passing frames
 along? Is the Intel encoder wrong for outputting frames out-of-order for
 AV1? I did try simply setting PTS to DTS inside qsvenc.c as frames are
 encoded and packets produced, but while this gets rid of the warning, the
 file is still wrong/stuttery.

 ffmpeg -init_hw_device qsv=intel,child_device=1 -vcodec hevc_qsv -i
 input.mp4 -vcodec av1_qsv -profile:v main -preset veryslow -vb 3000k
 output.mp4 -y
 ffmpeg version 5.1.git Copyright (c) 2000-2022 the FFmpeg developers
   built with msvc
   configuration: --disable-ffplay --disable-ffprobe --disable-postproc
 --enable-libdav1d --enable-cuda-nvcc --enable-libvpl --enable-libsvtav1
 --enable-libaom --disable-bzlib --disable-iconv --disable-zlib --disable-
 lzma --disable-sdl2 --prefix=..
 fmpeg-win32-server
   libavutil      57. 42.100 / 57. 42.100
   libavcodec     59. 52.102 / 59. 52.102
   libavformat    59. 34.101 / 59. 34.101
   libavdevice    59.  8.101 / 59.  8.101
   libavfilter     8. 50.101 /  8. 50.101
   libswscale      6.  8.112 /  6.  8.112
   libswresample   4.  9.100 /  4.  9.100
 [AVHWDeviceContext @ 000002341633AB40] Using device 8086:56a0 (Intel(R)
 Arc(TM) A770 Graphics).
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2mp41
     encoder         : Lavf59.34.101
   Duration: 00:00:10.00, start: 0.000000, bitrate: 8212 kb/s
   Stream #0:0[0x1](und): Video: hevc (Main) (hev1 / 0x31766568),
 yuv420p(tv, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 8067 kb/s, 50 fps,
 50 tbr, 12800 tbn (default)
     Metadata:
       handler_name    : VideoHandler
       vendor_id       : [0][0][0][0]
       encoder         : Lavc59.52.102 hevc_qsv
   Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz,
 stereo, fltp, 132 kb/s (default)
     Metadata:
       handler_name    : SoundHandler
       vendor_id       : [0][0][0][0]
 Stream mapping:
   Stream #0:0 -> #0:0 (hevc (hevc_qsv) -> av1 (av1_qsv))
   Stream #0:1 -> #0:1 (aac (native) -> aac (native))
 Press [q] to stop, [?] for help
 Output #0, mp4, to 'output.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2mp41
     encoder         : Lavf59.34.101
   Stream #0:0(und): Video: av1 (av01 / 0x31307661), nv12(tv, progressive),
 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 3000 kb/s, 50 fps, 12800 tbn
 (default)
     Metadata:
       handler_name    : VideoHandler
       vendor_id       : [0][0][0][0]
       encoder         : Lavc59.52.102 av1_qsv
   Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo,
 fltp, 128 kb/s (default)
     Metadata:
       handler_name    : SoundHandler
       vendor_id       : [0][0][0][0]
       encoder         : Lavc59.52.102 aac
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 2048, current: 1024; changing to 2049. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 2049, current: 512; changing to 2050. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 2050, current: 256; changing to 2051. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 2051, current: 768; changing to 2052. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 2052, current: 1536; changing to 2053. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 2053, current: 1280; changing to 2054. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 2054, current: 1792; changing to 2055. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 4096, current: 3072; changing to 4097. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 4097, current: 2560; changing to 4098. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 4098, current: 2304; changing to 4099. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 4099, current: 2816; changing to 4100. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 4100, current: 3584; changing to 4101. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 4101, current: 3328; changing to 4102. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 4102, current: 3840; changing to 4103. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 6144, current: 5120; changing to 6145. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 6145, current: 4608; changing to 6146. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 6146, current: 4352; changing to 6147. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 6147, current: 4864; changing to 6148. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 6148, current: 5632; changing to 6149. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 6149, current: 5376; changing to 6150. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 6150, current: 5888; changing to 6151. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 8192, current: 7168; changing to 8193. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 8193, current: 6656; changing to 8194. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 8194, current: 6400; changing to 8195. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 8195, current: 6912; changing to 8196. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 8196, current: 7680; changing to 8197. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 8197, current: 7424; changing to 8198. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 8198, current: 7936; changing to 8199. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 10240, current: 9216; changing to 10241. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 10241, current: 8704; changing to 10242. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 10242, current: 8448; changing to 10243. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 10243, current: 8960; changing to 10244. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 10244, current: 9728; changing to 10245. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 10245, current: 9472; changing to 10246. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 10246, current: 9984; changing to 10247. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 12288, current: 11264; changing to 12289. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 12289, current: 10752; changing to 12290. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 12290, current: 10496; changing to 12291. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 12291, current: 11008; changing to 12292. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 12292, current: 11776; changing to 12293. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 12293, current: 11520; changing to 12294. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 12294, current: 12032; changing to 12295. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 14336, current: 13312; changing to 14337. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 14337, current: 12800; changing to 14338. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 14338, current: 12544; changing to 14339. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 14339, current: 13056; changing to 14340. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 14340, current: 13824; changing to 14341. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 14341, current: 13568; changing to 14342. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 14342, current: 14080; changing to 14343. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 16384, current: 15360; changing to 16385. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 16385, current: 14848; changing to 16386. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 16386, current: 14592; changing to 16387. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 16387, current: 15104; changing to 16388. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 16388, current: 15872; changing to 16389. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 16389, current: 15616; changing to 16390. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 16390, current: 16128; changing to 16391. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 18432, current: 17408; changing to 18433. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 18433, current: 16896; changing to 18434. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 18434, current: 16640; changing to 18435. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 18435, current: 17152; changing to 18436. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 18436, current: 17920; changing to 18437. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 18437, current: 17664; changing to 18438. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 18438, current: 18176; changing to 18439. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 20480, current: 19456; changing to 20481. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 20481, current: 18944; changing to 20482. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 20482, current: 18688; changing to 20483. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 20483, current: 19200; changing to 20484. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 20484, current: 19968; changing to 20485. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 20485, current: 19712; changing to 20486. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 20486, current: 20224; changing to 20487. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 22528, current: 21504; changing to 22529. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 22529, current: 20992; changing to 22530. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 22530, current: 20736; changing to 22531. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 22531, current: 21248; changing to 22532. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 22532, current: 22016; changing to 22533. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 22533, current: 21760; changing to 22534. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 22534, current: 22272; changing to 22535. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 24576, current: 23552; changing to 24577. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 24577, current: 23040; changing to 24578. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 24578, current: 22784; changing to 24579. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 24579, current: 23296; changing to 24580. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 24580, current: 24064; changing to 24581. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 24581, current: 23808; changing to 24582. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 24582, current: 24320; changing to 24583. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 26624, current: 25600; changing to 26625. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 26625, current: 25088; changing to 26626. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 26626, current: 24832; changing to 26627. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 26627, current: 25344; changing to 26628. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 26628, current: 26112; changing to 26629. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 26629, current: 25856; changing to 26630. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 26630, current: 26368; changing to 26631. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 28672, current: 27648; changing to 28673. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 28673, current: 27136; changing to 28674. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 28674, current: 26880; changing to 28675. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 28675, current: 27392; changing to 28676. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 28676, current: 28160; changing to 28677. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 28677, current: 27904; changing to 28678. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 28678, current: 28416; changing to 28679. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 30720, current: 29696; changing to 30721. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 30721, current: 29184; changing to 30722. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 30722, current: 28928; changing to 30723. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 30723, current: 29440; changing to 30724. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 30724, current: 30208; changing to 30725. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 30725, current: 29952; changing to 30726. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 30726, current: 30464; changing to 30727. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 32768, current: 31744; changing to 32769. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 32769, current: 31232; changing to 32770. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 32770, current: 30976; changing to 32771. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 32771, current: 31488; changing to 32772. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 32772, current: 32256; changing to 32773. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 32773, current: 32000; changing to 32774. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 32774, current: 32512; changing to 32775. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 34816, current: 33792; changing to 34817. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 34817, current: 33280; changing to 34818. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 34818, current: 33024; changing to 34819. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 34819, current: 33536; changing to 34820. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 34820, current: 34304; changing to 34821. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 34821, current: 34048; changing to 34822. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 34822, current: 34560; changing to 34823. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 36864, current: 35840; changing to 36865. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 36865, current: 35328; changing to 36866. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 36866, current: 35072; changing to 36867. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 36867, current: 35584; changing to 36868. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 36868, current: 36352; changing to 36869. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 36869, current: 36096; changing to 36870. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 36870, current: 36608; changing to 36871. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 38912, current: 37888; changing to 38913. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 38913, current: 37376; changing to 38914. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 38914, current: 37120; changing to 38915. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 38915, current: 37632; changing to 38916. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 38916, current: 38400; changing to 38917. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 38917, current: 38144; changing to 38918. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 38918, current: 38656; changing to 38919. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 40960, current: 39936; changing to 40961. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 40961, current: 39424; changing to 40962. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 40962, current: 39168; changing to 40963. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 40963, current: 39680; changing to 40964. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 40964, current: 40448; changing to 40965. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 40965, current: 40192; changing to 40966. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 40966, current: 40704; changing to 40967. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 43008, current: 41984; changing to 43009. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 43009, current: 41472; changing to 43010. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 43010, current: 41216; changing to 43011. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 43011, current: 41728; changing to 43012. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 43012, current: 42496; changing to 43013. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 43013, current: 42240; changing to 43014. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 43014, current: 42752; changing to 43015. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 45056, current: 44032; changing to 45057. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 45057, current: 43520; changing to 45058. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 45058, current: 43264; changing to 45059. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 45059, current: 43776; changing to 45060. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 45060, current: 44544; changing to 45061. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 45061, current: 44288; changing to 45062. This may result in
 incorrect timestamps in the output file.
 [mp4 @ 0000023427011380] Non-monotonous DTS in output stream 0:0;
 previous: 45062, current: 44800; changing to 45063. This may result in
 incorrect timestamps in the output file.
 frame=  178 fps=174 q=-0.0 Lsize=    1372kB time=00:00:03.57
 bitrate=3139.6kbits/s speed= 3.5x
 video:1312kB audio:56kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.222503%
 [aac @ 0000023425DD8080] Qavg: 260.232
 Exiting normally, received signal 2.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10062#comment:3>
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