[FFmpeg-trac] #10799(undetermined:new): Extend ffprobe/vf_showinfo time field to milliseconds

[FFmpeg]

#10799: Extend ffprobe/vf_showinfo time field to milliseconds
-------------------------------------+-------------------------------------
             Reporter:  Andrew-R     |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:  time         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 ffmpeg -i ~/6029.mp4  -copyts -avoid_negative_ts make_zero -c:v copy -c:a
 pcm_s16le -to 64.600 /dev/shm/6029_cut_2.mp4
 ffmpeg version N-112149-ga87a52ed0b Copyright (c) 2000-2024 the FFmpeg
 developers
   built with gcc 11.2.0 (GCC)

 ffprobe /dev/shm/6029_cut_2.mp4
 ffprobe version N-112149-ga87a52ed0b Copyright (c) 2007-2024 the FFmpeg
 developers
   built with gcc 11.2.0 (GCC)
   configuration:
   libavutil      58. 36.101 / 58. 36.101
   libavcodec     60. 37.100 / 60. 37.100
   libavformat    60. 20.100 / 60. 20.100
   libavdevice    60.  4.100 / 60.  4.100
   libavfilter     9. 17.100 /  9. 17.100
   libswscale      7.  6.100 /  7.  6.100
   libswresample   4. 13.100 /  4. 13.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/dev/shm/6029_cut_2.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf60.20.100
   Duration: 00:01:04.68, start: 0.080000, bitrate: 2273 kb/s
   Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
 yuv420p(tv, smpte170m/smpte170m/bt709, progressive), 720x400, 734 kb/s, 25
 fps, 25 tbr, 90k tbn (default)
       Metadata:
         handler_name    : VideoHandler
         vendor_id       : [0][0][0][0]
         encoder         : JVT/AVC Coding
   Stream #0:1[0x2](und): Audio: pcm_s16le (ipcm / 0x6D637069), 48000 Hz,
 stereo, s16, 1536 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
         vendor_id       : [0][0][0][0]


 }}}

 Note that ffprobe output says "Duration: 00:01:04.68" while MB4Box --info
 says:

 {{{
 MP4Box -info   /dev/shm/6029_cut_2.mp4
 * Movie Info *
         Timescale 1000 - 2 tracks
         Computed Duration 00:01:04.879 - Indicated Duration 00:01:04.879
         Fragmented File: no
         File Brand isom - version 512
                 Compatible brands: isom iso2 avc1 mp41
         Created: UNKNOWN DATE   Modified: UNKNOWN DATE
 File has no MPEG4 IOD/OD

 iTunes Info:
         Encoder Software: Lavf60.20.100
 1 UDTA types: meta (1)

 Track # 1 Info - TrackID 1 - TimeScale 90000
 Media Duration 00:01:04.680 - Indicated Duration 00:01:04.800
 Track has 2 edit lists: track duration is 00:01:04.879
 Media Info: Language "Undetermined (und)" - Type "vide:avc1" - 1617
 samples
 Visual Sample Entry Info: width=720 height=400 (depth=24 bits)
 Visual Track layout: x=0 y=0 width=720 height=400
 MPEG-4 Config: Visual Stream - ObjectTypeIndication 0x21
 AVC/H264 Video - Visual Size 720 x 400
         AVC Info: 1 SPS - 1 PPS - Profile High @ Level 3
         NAL Unit length bits: 32
         Chroma format YUV 4:2:0 - Luma bit depth 8 - chroma bit depth 8
         SPS#1 hash: E2ADECEA8531A9FC07EE08593AF65A2AD75A3533
         PPS#1 hash: 6BBE60BFBE383CE9144FA78B782534A704912778
 Self-synchronized
         RFC6381 Codec Parameters: avc1.64001E
         Average GOP length: 231 samples
         Max sample duration: 3600 / 90000

 Track # 2 Info - TrackID 2 - TimeScale 48000
 Media Duration 00:01:04.597 - Indicated Duration 00:01:04.597
 Track has 2 edit lists: track duration is 00:01:04.699
 Media Info: Language "Undetermined (und)" - Type "soun:ipcm" - 3100672
 samples
 Unknown track type
         RFC6381 Codec Parameters: ipcm
 Alternate Group ID 1
         All samples are sync
         Max sample duration: 1 / 48000



 }}}

 Note "track duration is 00:01:04.699"

 I think extending ffprobe and vf_showinfo output to include milliseconds
 will be helpful in bugreporting about cut time inconsistencies

 {{{
 ffmpeg -i /dev/shm/6029_cut_2.mp4 -vf showinfo -f null /dev/null
 [skip]
 [Parsed_showinfo_0 @ 0xee102580] n:1616 pts:5828400 pts_time:64.76
 duration:      0 duration_time:0       fmt:yuv420p cl:left sar:0/1
 s:720x400 i:P iskey:0 type:P checksum:07418607 plane_checksum:[A672B48D
 A7D7BD5B 3D4D1410] mean:[83 158 79] stdev:[9.7 2.3 7.0]
 [Parsed_showinfo_0 @ 0xee102580] color_range:tv color_space:smpte170m
 color_primaries:smpte170m color_trc:bt709


 }}}

 Note pts_time:64.76
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10799>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker