[FFmpeg-devel] Frame CRC muxer

[James Almer]

On 9/25/2017 3:49 PM, Bjorn Roche wrote:
> Hi there,
> 
> I have a patch for this issue:
> 
> https://trac.ffmpeg.org/ticket/4443
> 
> However, when running the automated ("fate") tests, I get the error pasted
> below. I'm not sure what's going on since the output formats look different
> when running a the test vs when I run the same command with my built-in
> FFmpeg. e.g.:
> 
> my compiled ffmpeg:
> 
> 0,          2,          2,        1,      438, 0x4776d352, S=1,     1024,
> 0xcfc8799f
> 
> 
> built-in ffmpeg:
> 
> 
> 0,          2,          2,        1,      438, 0x4776d352, S=2,        1,
> 0x00010001,     1024, 0xcfc8799f
> 
> 
> Neither format looks like this:
> https://ffmpeg.org/ffmpeg-formats.html#framecrc-1. (I don't know what the
> S=X..... means, so I am not sure what it's telling me has changed, if
> anything.)

The S stands for side data, and the X is the amount of side data
elements embedded in the packet. Values after that are size and crc
checksum of each side data element.


> 
> In the meantime, I've attached the patch if anyone wants to look at it.
> 
> bjorn
> 
> 
> 
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