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13 Commits

Author SHA1 Message Date
Juliusz Chroboczek 42748d4ad8 Fix keyframe detection for VP8 and VP9. 2024-04-14 15:48:09 +02:00
Juliusz Chroboczek 8bbf9d16d0 Fix overflow in AV1 parser. 2024-04-14 15:48:09 +02:00
Juliusz Chroboczek 06a0a2c36e Handle empty VP8 headers. 
Only the first byte of the VP8 header is mandatory, but we
used to reject packets smaller than 4 bytes.  The major part
of the fix is actually in pion/rtp.
 2023-01-09 19:52:57 +01:00
Juliusz Chroboczek 40bf93cdd0 Consistently use SPS for detecting H.264 keyframes. 
This was already the case for FU NALUs, but not for simple NALUs.
 2022-05-04 18:26:22 +02:00
Juliusz Chroboczek fc9f28fd68 Minor cleanups. 2022-04-23 18:43:01 +02:00
Juliusz Chroboczek 6fbdf0eab2 Use the new MIME type for AV1. 
Chromium 91 and later uses "AV1" instead of "AV1X".  Simulcast is
still broken.
 2022-01-04 13:09:07 +01:00
Juliusz Chroboczek 34017cd130 Fix codecs tests. 2021-08-06 13:35:04 +02:00
Juliusz Chroboczek 18b5b6cb6d Fix rewriting of VP9. 2021-08-06 13:34:51 +02:00
Juliusz Chroboczek d96a48f805 Don't rewrite PID for VP9. 
Rewriting is not useful for VP9, and even harmful, as it breaks the
offsets in the scalability structure.
 2021-08-03 22:51:14 +02:00
Juliusz Chroboczek 4f7be19644 Implement pid and mark rewriting for VP9, fix VP9 sync bits. 
The sync bits were incorrect.  In addition, we need to set the
marker at the new end of the frame when doing spatial decimation.
 2021-08-03 13:09:43 +02:00
Juliusz Chroboczek a8dfc32f9e Fix keyframe tests. 
The keyframe detection has been moved into codecs.
 2021-07-30 15:26:21 +02:00
Juliusz Chroboczek 7d29ef5a64 Make disk writer use the codecs package. 
Instead of testing whether a sample is a keyframe, we test at the
packet level, then compare timestamps to identify the keyframe.
 2021-07-29 23:07:08 +02:00
Juliusz Chroboczek 89780b866b Move packet parsing code into its own package. 2021-07-29 21:30:39 +02:00