This change changes the flexfec header reader ReadFecHeader function to parse the FEC header according the the updated RFC. The fec_packet argument is expected to have the protected ssrcs list already populated, as they should be retrieved from the RTP header.
Updated and added Reader unittests. Unittests that are relevant for the Writer, were put inside a comment. In the next change set, when the header writer will be updated, we will update the unittests accordingly.
Bug: webrtc:15002
Change-Id: I118303e31c15c356ffeb2c0aafe503cf293bcad6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/303260
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40172}
Create a copy of flexfec_header_reader_writer for changing the implementation according to updated RFC. The fork is needed, since the updated RFC is incompatible with flexfec-03.
In the updated RFC, we receive the list and the number of protected ssrcs from the RTP header (from it's CSRCs , and CSRC count fields).
This Change is only a copy of the existing files. This will make it easier to understand the changes to the implementation in the next change sets.
Bug: webrtc:15002
Change-Id: I31bf5eca0d8f3cb23b4caabb477897eeb0ca6d96
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/303240
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40103}
