[FFmpeg-user] a q about units

[Kieran O Leary]

Hi,

On Thu, Jun 11, 2020 at 6:38 PM Jim Shupert <jshupert at theppsgroup.com>
wrote:

> 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?
>

No idea, I'd like to know as well though. Here's the code that generates
these messages:
https://github.com/FFmpeg/FFmpeg/blob/ff3fad6b0edb13dd664403b01bc00309f035b110/libavformat/matroskadec.c#L890


Best,

Kieran O'Leary
Irish Film Institute