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8 Commits

Author SHA1 Message Date
Juliusz Chroboczek 89780b866b Move packet parsing code into its own package. 2021-07-29 21:30:39 +02:00
Juliusz Chroboczek 22585e9d10 Handle spatial scalability. 
Maintain spatial layer information, and drop lower layers when
possible.  Yields a 20% saving with VP9.
 2021-05-17 18:17:43 +02:00
Juliusz Chroboczek d94e5583cd Rewrite AV1 keyframe detection. 
Metadata OBUs can appear between the sequence header and the first
frame header.
 2021-05-16 14:51:09 +02:00
Juliusz Chroboczek 4435a30a53 Use sequence parameter sets for h.264 keyframe detection. 
RFC 6184 Section 8.5.1 implies that the sender will send a
a sequence parameter set in response to PLI.  Since a keyframe is
useless without parameters, use the SPS to detect keyframes.
 2021-05-15 23:50:32 +02:00
Juliusz Chroboczek 3e00bb4293 AV1 support. 2021-05-15 19:54:07 +02:00
Juliusz Chroboczek 6f9d7fc306 Scalable video coding (SVC). 2021-05-14 23:21:14 +02:00
Juliusz Chroboczek 1130295e0b Use strings.EqualFold for comparing codec names. 2021-05-12 16:18:23 +02:00
Juliusz Chroboczek b2ea8e8533 Move isKeyframe into its own file. 2021-05-11 19:59:24 +02:00