[FFmpeg-user] a q about units

[Jim Shupert]

Friends
This is a rather general Q

when I see dialogue such as
[matroska,webm @ 0x7f362c000b80] Read error at pos. 59270674468 
(0xdccceb824)

as in

Input #0, matroska,webm, from 'pipe:':
Metadata:
ENCODER : Lavf58.29.100
Duration: N/A, start: 0.000000, bitrate: 12288 kb/s
Stream #0:0: Audio: pcm_s32le, 48000 Hz, 8 channels, s32, 12288 kb/s 
(default)
Stream #0:1: Video: v210 (V210 / 0x30313256), yuv422p10le(bottom first), 
720x486, 29.97 fps, 29.97 tbr, 1k tbn, 1k tbc (default)
[matroska,webm @ 0x7f362c000b80] Read error at pos. 59270674468 
(0xdccceb824)
[matroska,webm @ 0x7f362c000b80] Seek to desired resync point failed. 
Seeking to earliest point available instead.
[matroska,webm @ 0x7f362c000b80] Read error at pos. 59270674468 
(0xdccceb824)

av_interleaved_write_frame(): Broken pipe
Error writing trailer of pipe:: Broken pipe
frame=60212 fps= 30 q=-0.0 Lq=-1.0 size=25924529kB time=00:33:29.04 
bitrate=105709.0kbits/s speed= 1x
video:80224393kB audio:3578653kB subtitle:0kB other streams:0kB global 
headers:0kB muxing

MY Q
what is position 59270674468 (0xdccceb824)  ?
what are the units of 59270674468?

thanks
jS