[FFmpeg-devel] [RFC PATCH] avformat/dashdec: Improve implementation
Derek Buitenhuis
derek.buitenhuis at gmail.com
Sat Mar 27 18:14:50 EET 2021
On 22/03/2021 22:25, zsugabubus wrote:
> Compared to previous implementation, this rework tries to:
>
> - Improve code quality,
> - Provide better error handling (also: reduce numerous (potential)
> memory leaks),
> - Broader coverage of the standard:
> * multiple periods,
> * multiple base URLs (fallback on CDN failure),
> * handle ContentProtection/Role/etc... nodes,
> * manifest chaining,
> * drop ridiculous limits of @id's.
> - Fast startup, thanks to reading/probing streams only when needed.
> - Open multiple connections (HLS can open one more connection in
> advance; DASH can do up to UINT_MAX, configurable via option);
> similarly to HLS, currently it only opens them so only sequential
> reading is possible, however this behavior can be changed in the
> future,
> - Ability to seek live streams.
> - Bonus: Tests show that there are some kind of live streams that old
> implementation was unable to cope with, now it is possible to play
> them.
These should be separate, testable, atomic commits. One massive patch that
does 40 things is not reviewable or good for git history.
- Derek
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