Update Export File Format wrt Media Signing #622
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When exporting a segment of a stream to MP4 there are some things to consider to keep Media Signing working.
Co-authored-by: Sriram Bhetanabottla <sriram.bhetanabottla@axis.com>
Co-authored-by: Sriram Bhetanabottla <sriram.bhetanabottla@axis.com>
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Interesting information for implementers but not written as requirements. As it is more a type of explanation on how to handle FFMPEG I suggest to add it as annex. |
Co-authored-by: Sriram Bhetanabottla <sriram.bhetanabottla@axis.com> --------- Co-authored-by: Björn Völcker <65532189+bjornvolcker@users.noreply.github.com>
Contributor
Contributed to Björn changes to address feedback. |
bjornvolcker
commented
Sep 4, 2025
bjornvolcker
commented
Sep 4, 2025
doc/ExportFileFormat.xml
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| </para> | ||
| <para> | ||
| <itemizedlist> | ||
| <listitem><para>Keep all SPS/PPS/VPS, access unit delimiter (AUD), prefix/suffix SEI and |
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In practice the "SPS/PPS/VPS" cannot be kept in original order, since it might have been sent once at the beginning which might not be part of the exported section. "SPS/PPS/VPS" aren't hashed by Media Signing for this particular reason.
So we should remove it from the text.
Kept what is truly a requirement and moved the rest as recommendations to an Appendix.
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Feedback in KL F2F 11/12/2025
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When exporting a segment of a stream to MP4 there are some things to consider to keep Media Signing working.