add NACK, RTX, DTLS active support #59
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JackLau1222
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winlinvip
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Aug 6, 2025
winlinvip
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Aug 6, 2025
mark this ignore_ipv6 flag could ignore any IPv6 ICE candidate, preventing “No route to host” errors on devices without IPv6 connectivity. Signed-off-by: Jack Lau <jacklau1222@qq.com>
Remove redundant "WHIP: " prefix in log context since it already add whip context. Fix grammers in whip options descriptions Signed-off-by: Jack Lau <jacklau1222@qq.com>
AVCodecParameters::profile only contains constraint_set1_flag (AV_PROFILE_H264_CONSTRAINED 1<<9). So add H264 constraints flag fully parse refer to hlsenc write_codec_attr Signed-off-by: Jack Lau <jacklau1222@qq.com>
See RFC5280 4.1.2.2 Signed-off-by: Jack Lau <jacklau1222@qq.com>
See https://www.rfc-editor.org/rfc/rfc3550#section-6.1 Signed-off-by: Jack Lau <jacklau1222@qq.com>
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RTP retransmission described in RFC4588 (RTX) is an effective packet loss recovery technique for real-time applications with relaxed delay bounds. This patch provides a minimal implementation for RTX and RTCP NACK (RFC3940) and its associated SDP signaling and negotiation. Co-authored-by: Sergio Garcia Murillo <sergio.garcia.murillo@gmail.com> Signed-off-by: Jack Lau <jacklau1222@qq.com>
Signed-off-by: Jack Lau <jacklau1222@qq.com>
limit the generated ssrc to 31 bit to avoid overflow risk when pass it to rtpenc as signed int. Signed-off-by: Jack Lau <jacklau1222@qq.com>
Signed-off-by: Jack Lau <jacklau1222@qq.com>
add dtls_active flag to specify the dtls role properly set the send key and recv key depends on DTLS role As DTLS server, the recv key is client master key plus salt, the send key is server master key plus salt. As DTLS client, the recv key is server master key plus salt, the send key is client master key plus salt. Signed-off-by: Jack Lau <jacklau1222@qq.com>
This patch aims to simplify the dtls handshake process since dtls handshake use force block mode We can just use the return code instead of DTLSState enum Signed-off-by: Jack Lau <jacklau1222@qq.com>
See RFC 5245 Section 4.3: If an agent is a lite implementation, it MUST include an "a=ice-lite" session-level attribute in its SDP. If an agent is a full implementation, it MUST NOT include this attribute. Signed-off-by: Jack Lau <jacklau1222@qq.com>
This value is only useful when dtls handshake is NONBLOCK mode, dtls handshake just need to call ffurl_handshake once since it force block mode. Signed-off-by: Jack Lau <jacklau1222@qq.com>
We try to perform dtls handshake when the ICE is totally done. Refer to RFC8445, When peer's ICE is lite, the peer won't trigged check so FFmpeg just send STUN request and receive response, then ICE is done. When peer's ICE is full, the peer will send STUN request after reponse FFmpeg's request to ensure candidate pair become valid in both directions. Then the peer does nomination, and ICE is done. Signed-off-by: Jack Lau <jacklau1222@qq.com>
Signed-off-by: Jack Lau <jacklau1222@qq.com>
…hared Signed-off-by: Jack Lau <jacklau1222@qq.com>
Signed-off-by: Jack Lau <jacklau1222@qq.com>
Signed-off-by: Jack Lau <jacklau1222@qq.com>
Signed-off-by: Jack Lau <jacklau1222@qq.com>
Signed-off-by: Jack Lau <jacklau1222@qq.com>
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