[FFmpeg-trac] #2063(undetermined:new): ffmpeg throwing an excessive amount of pts < dts clipping messages for dvrms files

[FFmpeg]

#2063: ffmpeg throwing an excessive amount of pts < dts clipping messages for
dvrms files
-------------------------------------+-------------------------------------
             Reporter:  ramitbhalla  |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  minor        |                Component:
              Version:  git-master   |  undetermined
             Keywords:  wtv          |               Resolution:
  mpeg2video                         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by ramitbhalla):

 Without genpts it fails (which is another open ticket)

 {{{
     Stream #0:0: Video: mpeg2video (DVR  / 0x20525644), yuv420p, 704x480
 [SAR 64:45 DAR 1408:675], q=2-31, 12000 kb/s, 2
 5.58 fps, 90k tbn, 50 tbc
     Stream #0:1: Audio: mp2, 48000 Hz, stereo, 256 kb/s
 Stream mapping:
   Stream #0:2 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 [mpegts @ 02ce4c00] st:0 PTS: 33390 DTS: 33390 < 40591 invalid, clipping
 [mpegts @ 02ce4c00] st:0 PTS: 36990 DTS: 36990 < 40592 invalid, clipping
 [mpegts @ 02ce4c00] st:0 PTS: 44190 DTS: 44190 < 51391 invalid, clipping
 [mpegts @ 02ce4c00] st:0 PTS: 47790 DTS: 47790 < 51392 invalid, clipping
 [mpegts @ 02ce4c00] first pts value must set
 av_interleaved_write_frame(): Invalid data found when processing input
 }}}

 With -an (and genpts, without genpts it fails as above) it gives the same
 warnings/errors:

 {{{
     Stream #0:0: Video: mpeg2video (DVR  / 0x20525644), yuv420p, 704x480
 [SAR 64:45 DAR 1408:675], q=2-31, 12000 kb/s, 2
 5.58 fps, 90k tbn, 50 tbc
 Stream mapping:
   Stream #0:2 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 [mpegts @ 003cce60] st:0 PTS: 33390 DTS: 33390 < 40591 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 36990 DTS: 36990 < 40592 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 44190 DTS: 44190 < 51391 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 47790 DTS: 47790 < 51392 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 54990 DTS: 54990 < 62191 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 58590 DTS: 58590 < 62192 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 65790 DTS: 65790 < 72991 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 69390 DTS: 69390 < 72992 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 76590 DTS: 76590 < 83791 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 80190 DTS: 80190 < 83792 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 87390 DTS: 87390 < 94591 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 90990 DTS: 90990 < 94592 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 98190 DTS: 98190 < 105391 invalid, clipping
 [mpegts @ 003cce60] st:0 PTS: 101790 DTS: 101790 < 105392 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 108990 DTS: 108990 < 116191 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 112590 DTS: 112590 < 116192 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 119790 DTS: 119790 < 126991 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 123390 DTS: 123390 < 126992 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 130590 DTS: 130590 < 137791 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 134190 DTS: 134190 < 137792 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 141390 DTS: 141390 < 148591 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 144990 DTS: 144990 < 148592 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 152190 DTS: 152190 < 159391 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 155790 DTS: 155790 < 159392 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 162990 DTS: 162990 < 170191 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 166590 DTS: 166590 < 170192 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 173790 DTS: 173790 < 180991 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 177390 DTS: 177390 < 180992 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 184590 DTS: 184590 < 191791 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 188190 DTS: 188190 < 191792 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 195390 DTS: 195390 < 202591 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 198990 DTS: 198990 < 202592 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 206190 DTS: 206190 < 213391 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 209790 DTS: 209790 < 213392 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 216990 DTS: 216990 < 224191 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 220590 DTS: 220590 < 224192 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 227790 DTS: 227790 < 234991 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 231390 DTS: 231390 < 234992 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 238590 DTS: 238590 < 245791 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 242190 DTS: 242190 < 245792 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 249390 DTS: 249390 < 256591 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 252990 DTS: 252990 < 256592 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 260190 DTS: 260190 < 267391 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 263790 DTS: 263790 < 267392 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 270990 DTS: 270990 < 278191 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 274590 DTS: 274590 < 278192 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 281790 DTS: 281790 < 288991 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 285390 DTS: 285390 < 288992 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 292590 DTS: 292590 < 299791 invalid,
 clipping
 [mpegts @ 003cce60] st:0 PTS: 296190 DTS: 296190 < 299792 invalid,
 clipping
 frame=   79 fps=0.0 q=-1.0 Lsize=    1919kB time=00:00:03.47
 bitrate=4530.2kbits/s
 video:1770kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 8.419719%
 }}}

 with -vn (and genpts) there are no warnings/errors:

 {{{
     Stream #0:0: Audio: mp2, 48000 Hz, stereo, 256 kb/s
 Stream mapping:
   Stream #0:1 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 size=     110kB time=00:00:03.12 bitrate= 287.8kbits/s
 video:0kB audio:98kB subtitle:0 global headers:0kB muxing overhead
 12.415865%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2063#comment:2>
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