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T1.6: Protocol version negotiation in handshake

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This commit is contained in:
Siavash Sameni
2026-05-11 15:52:18 +04:00
parent 5cdb50160a
commit 6f81487778
18 changed files with 499 additions and 84 deletions
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49
crates/wzp-android/src/engine.rs
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@@ -22,7 +22,8 @@ use wzp_crypto::{KeyExchange, WarzoneKeyExchange};
use wzp_fec::{RaptorQFecDecoder, RaptorQFecEncoder};
use wzp_proto::{
AdaptiveQualityController, AudioDecoder, AudioEncoder, CodecId, FecDecoder, FecEncoder,
MediaHeader, MediaPacket, MediaTransport, QualityController, QualityProfile, SignalMessage,
MediaHeader, MediaPacket, MediaTransport, MediaType, QualityController, QualityProfile,
SignalMessage,
};
use crate::audio_ring::AudioRing;
@@ -533,6 +534,8 @@ async fn run_call(
QualityProfile::CATASTROPHIC,
],
alias: alias.map(|s| s.to_string()),
protocol_version: 2,
supported_versions: vec![2],
};
transport.send_signal(&offer).await?;
info!("CallOffer sent, waiting for CallAnswer...");
@@ -603,7 +606,7 @@ async fn run_call(
stats.auto_mode = auto_profile;
}
let seq = AtomicU16::new(0);
let seq = AtomicU32::new(0);
let ts = AtomicU32::new(0);
let transport_recv = transport.clone();
@@ -729,17 +732,15 @@ async fn run_call(
let source_pkt = MediaPacket {
header: MediaHeader {
version: 0,
is_repair: false,
version: MediaHeader::VERSION,
flags: 0,
media_type: MediaType::Audio,
codec_id: current_profile.codec,
has_quality_report: false,
fec_ratio_encoded: hdr_fec_ratio,
stream_id: 0,
fec_ratio: hdr_fec_ratio,
seq: s,
timestamp: t,
fec_block: hdr_fec_block,
fec_symbol: hdr_fec_symbol,
reserved: 0,
csrc_count: 0,
fec_block: ((hdr_fec_symbol as u16) << 8) | (hdr_fec_block as u16),
},
payload: Bytes::copy_from_slice(encoded),
quality_report: None,
@@ -783,19 +784,17 @@ async fn run_call(
let rs = seq.fetch_add(1, Ordering::Relaxed);
let repair_pkt = MediaPacket {
header: MediaHeader {
version: 0,
is_repair: true,
version: MediaHeader::VERSION,
flags: MediaHeader::FLAG_REPAIR,
media_type: MediaType::Audio,
codec_id: current_profile.codec,
has_quality_report: false,
fec_ratio_encoded: MediaHeader::encode_fec_ratio(
stream_id: 0,
fec_ratio: MediaHeader::encode_fec_ratio(
current_profile.fec_ratio,
),
seq: rs,
timestamp: t,
fec_block: block_id,
fec_symbol: sym_idx,
reserved: 0,
csrc_count: 0,
fec_block: ((sym_idx as u16) << 8) | (block_id as u16),
},
payload: Bytes::from(repair_data),
quality_report: None,
@@ -883,8 +882,8 @@ async fn run_call(
let mut dred_decoder = DredDecoderHandle::new().expect("opus_dred_decoder_create failed");
let mut dred_parse_scratch = DredState::new().expect("opus_dred_alloc failed (scratch)");
let mut last_good_dred = DredState::new().expect("opus_dred_alloc failed (good state)");
let mut last_good_dred_seq: Option<u16> = None;
let mut expected_seq: Option<u16> = None;
let mut last_good_dred_seq: Option<u32> = None;
let mut expected_seq: Option<u32> = None;
let mut dred_reconstructions: u64 = 0;
let mut classical_plc_invocations: u64 = 0;
@@ -905,7 +904,7 @@ async fn run_call(
warn!(
recv_gap_ms,
seq = pkt.header.seq,
is_repair = pkt.header.is_repair,
is_repair = pkt.header.is_repair(),
"large recv gap — possible network stall"
);
}
@@ -946,9 +945,9 @@ async fn run_call(
}
}
let is_repair = pkt.header.is_repair;
let pkt_block = pkt.header.fec_block;
let pkt_symbol = pkt.header.fec_symbol;
let is_repair = pkt.header.is_repair();
let pkt_block = pkt.header.fec_block as u8;
let pkt_symbol = (pkt.header.fec_block >> 8) as u8;
let pkt_is_opus = pkt.header.codec_id.is_opus();
// Phase 2: Opus packets bypass RaptorQ entirely — DRED
@@ -1024,7 +1023,7 @@ async fn run_call(
}
// Detect and fill gap from last-expected to this packet.
const MAX_GAP_FRAMES: u16 = 16;
const MAX_GAP_FRAMES: u32 = 16;
if let Some(expected) = expected_seq {
let gap = pkt.header.seq.wrapping_sub(expected);
if gap > 0 && gap <= MAX_GAP_FRAMES {