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fix(video): force h264 and trace frame pipeline
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This commit is contained in:
Siavash Sameni
2026-05-25 20:03:11 +04:00
parent 7eca79846f
commit d57ebe3d2c
9 changed files with 761 additions and 43 deletions
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2
crates/wzp-android/src/engine.rs
View File

@@ -538,7 +538,7 @@ async fn run_call(
alias: alias.map(|s| s.to_string()),
protocol_version: 2,
supported_versions: vec![2],
video_codecs: vec![],
video_codecs: vec![CodecId::H264Baseline],
};
transport.send_signal(&offer).await?;
info!("CallOffer sent, waiting for CallAnswer...");

21
crates/wzp-client/src/handshake.rs
View File

@@ -8,6 +8,8 @@ use wzp_proto::{
CodecId, HangupReason, MediaTransport, QualityProfile, SignalMessage, default_signal_version,
};
const SUPPORTED_VIDEO_CODECS: &[CodecId] = &[CodecId::H264Baseline];
/// Result of a successful client-side handshake.
pub struct HandshakeResult {
pub session: Box<dyn CryptoSession>,
@@ -102,7 +104,7 @@ pub async fn perform_handshake(
alias: alias.map(|s| s.to_string()),
protocol_version: 2,
supported_versions: vec![2],
video_codecs: vec![CodecId::Av1Main, CodecId::H264Baseline, CodecId::H265Main],
video_codecs: SUPPORTED_VIDEO_CODECS.to_vec(),
};
transport
.send_signal(&offer)
@@ -189,16 +191,17 @@ mod tests {
let mut kx2 = WarzoneKeyExchange::from_identity_seed(&[0x66; 32]);
kx2.generate_ephemeral();
let session2 = kx2.derive_session(&[0u8; 32]).unwrap();
let hs2 = HandshakeResult { session: session2, video_codec: Some(CodecId::Av1Main) };
assert_eq!(hs2.video_codec, Some(CodecId::Av1Main));
let hs2 = HandshakeResult {
session: session2,
video_codec: Some(CodecId::H264Baseline),
};
assert_eq!(hs2.video_codec, Some(CodecId::H264Baseline));
}
#[test]
fn offer_contains_three_video_codecs() {
// The offer sent in perform_handshake always includes the three codecs
// declared in order: AV1 > H264 > H265. Verify via the const list.
let offered = vec![CodecId::Av1Main, CodecId::H264Baseline, CodecId::H265Main];
assert_eq!(offered.len(), 3);
assert_eq!(offered[0], CodecId::Av1Main, "AV1 must be preferred");
fn offer_contains_h264_only() {
// Keep room video on the common denominator until Android AV1/HEVC
// send paths are proven in-device.
assert_eq!(SUPPORTED_VIDEO_CODECS, &[CodecId::H264Baseline]);
}
}

4
crates/wzp-relay/src/handshake.rs
View File

@@ -177,9 +177,9 @@ mod tests {
#[test]
fn video_codec_picks_first_offered() {
let codecs = vec![CodecId::Av1Main, CodecId::H264Baseline, CodecId::H265Main];
let codecs = vec![CodecId::H264Baseline];
let chosen: Option<CodecId> = codecs.into_iter().next();
assert_eq!(chosen, Some(CodecId::Av1Main));
assert_eq!(chosen, Some(CodecId::H264Baseline));
}
#[test]

12
crates/wzp-video/src/mediacodec.rs
View File

@@ -160,8 +160,11 @@ impl VideoEncoder for MediaCodecEncoder {
if packet.is_empty() {
return false;
}
let nal_type = packet[0] & 0x1F;
nal_type == 5
let nals = split_annex_b(packet);
if nals.is_empty() {
return (packet[0] & 0x1F) == 5;
}
nals.iter().any(|nal| !nal.is_empty() && (nal[0] & 0x1F) == 5)
}
}
@@ -1135,6 +1138,11 @@ mod tests {
};
assert!(enc.is_keyframe(&[0x65, 0x01]));
assert!(!enc.is_keyframe(&[0x41, 0x01]));
assert!(enc.is_keyframe(&[
0x00, 0x00, 0x00, 0x01, 0x67, 0x01, // SPS
0x00, 0x00, 0x00, 0x01, 0x68, 0x02, // PPS
0x00, 0x00, 0x00, 0x01, 0x65, 0x03, // IDR
]));
}
#[test]

13
crates/wzp-video/src/videotoolbox.rs
View File

@@ -160,9 +160,11 @@ impl VideoEncoder for VideoToolboxEncoder {
if packet.is_empty() {
return false;
}
let nal_type = packet[0] & 0x1F;
// NAL type 5 = IDR slice (keyframe).
nal_type == 5
let nals = split_annex_b(packet);
if nals.is_empty() {
return (packet[0] & 0x1F) == 5;
}
nals.iter().any(|nal| !nal.is_empty() && (nal[0] & 0x1F) == 5)
}
}
@@ -791,6 +793,11 @@ mod tests {
let enc = VideoToolboxEncoder::new(1280, 720, 2_000_000).unwrap();
assert!(enc.is_keyframe(&[0x65, 0x01, 0x02]));
assert!(!enc.is_keyframe(&[0x41, 0x01, 0x02]));
assert!(enc.is_keyframe(&[
0x00, 0x00, 0x00, 0x01, 0x67, 0x01, // SPS
0x00, 0x00, 0x00, 0x01, 0x68, 0x02, // PPS
0x00, 0x00, 0x00, 0x01, 0x65, 0x03, // IDR
]));
}
#[test]

4
crates/wzp-video/tests/pipeline_roundtrip.rs
View File

@@ -177,9 +177,9 @@ fn missing_fragment_blocks_reassembly() {
#[test]
fn video_codec_selection_semantics() {
// The relay's selection rule is: first codec offered by the caller.
let offered = vec![CodecId::Av1Main, CodecId::H264Baseline, CodecId::H265Main];
let offered = vec![CodecId::H264Baseline];
let chosen = offered.into_iter().next();
assert_eq!(chosen, Some(CodecId::Av1Main));
assert_eq!(chosen, Some(CodecId::H264Baseline));
// When no codecs are offered, video is audio-only.
let empty: Vec<CodecId> = vec![];

563
desktop/src-tauri/src/engine.rs
View File

@@ -634,6 +634,7 @@ impl CallEngine {
"connect:handshake_done",
serde_json::json!({
"t_ms": call_t0.elapsed().as_millis(),
"video_codec": hs.video_codec.map(|c| format!("{:?}", c)),
}),
);
info!(
@@ -653,6 +654,16 @@ impl CallEngine {
);
(None, transport)
};
crate::emit_call_debug(
&app,
"video:negotiated",
serde_json::json!({
"t_ms": call_t0.elapsed().as_millis(),
"codec": _negotiated_video_codec.map(|c| format!("{:?}", c)),
"enabled": _negotiated_video_codec.is_some(),
"direct_p2p": is_direct_p2p,
}),
);
// Do not emit the legacy "connected" call-event here. The frontend
// ignores it and enters voice only after the command resolves; on
// Android this synchronous emit was the only operation between
@@ -1172,6 +1183,9 @@ impl CallEngine {
let mut video_decoder: Option<Box<dyn wzp_video::decoder::VideoDecoder>> = None;
let mut video_decoder_codec: Option<wzp_proto::CodecId> = None;
let mut video_first_recv_logged = false;
let mut video_first_reassembled_logged = false;
let mut video_first_decoded_logged = false;
let mut video_decoder_buffering_count: u64 = 0;
loop {
if !recv_r.load(Ordering::Relaxed) {
@@ -1203,15 +1217,59 @@ impl CallEngine {
if let Some((codec_id, is_kf, frame)) =
video_reassembler.push(&pkt)
{
if !video_first_reassembled_logged {
video_first_reassembled_logged = true;
crate::emit_call_debug(
&recv_app,
"video:first_reassembled",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"is_keyframe": is_kf,
"frame_bytes": frame.len(),
"platform": "android",
}),
);
}
if video_decoder_codec != Some(codec_id) {
crate::emit_call_debug(
&recv_app,
"video:decoder_init_start",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"width": 1280,
"height": 720,
"platform": "android",
}),
);
match wzp_video::factory::create_video_decoder(codec_id, 1280, 720) {
Ok(d) => {
info!(codec = ?codec_id, "video decoder created (android)");
crate::emit_call_debug(
&recv_app,
"video:decoder_started",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"platform": "android",
}),
);
video_decoder = Some(d);
video_decoder_codec = Some(codec_id);
}
Err(e) => {
error!("video decoder init failed: {e}");
crate::emit_call_debug(
&recv_app,
"video:decoder_init_failed",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"error": e.to_string(),
"platform": "android",
}),
);
}
}
}
@@ -1223,6 +1281,37 @@ impl CallEngine {
yuv_frame.width,
yuv_frame.height,
);
let jpeg_ok = jpeg_b64.is_some();
if !video_first_decoded_logged {
video_first_decoded_logged = true;
crate::emit_call_debug(
&recv_app,
"video:first_decoded_frame",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"width": yuv_frame.width,
"height": yuv_frame.height,
"yuv_bytes": yuv_frame.data.len(),
"jpeg_ok": jpeg_ok,
"platform": "android",
}),
);
}
if !jpeg_ok {
crate::emit_call_debug(
&recv_app,
"video:jpeg_encode_failed",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"width": yuv_frame.width,
"height": yuv_frame.height,
"yuv_bytes": yuv_frame.data.len(),
"platform": "android",
}),
);
}
let _ = recv_app.emit(
"video:frame",
serde_json::json!({
@@ -1234,9 +1323,35 @@ impl CallEngine {
}),
);
}
Ok(None) => {}
Ok(None) => {
video_decoder_buffering_count += 1;
if video_decoder_buffering_count == 1
|| video_decoder_buffering_count % 30 == 0
{
crate::emit_call_debug(
&recv_app,
"video:decoder_buffering",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"buffering": video_decoder_buffering_count,
"platform": "android",
}),
);
}
}
Err(e) => {
error!("video decode error: {e}");
crate::emit_call_debug(
&recv_app,
"video:decode_error",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"error": e.to_string(),
"platform": "android",
}),
);
}
}
}
@@ -1604,19 +1719,77 @@ impl CallEngine {
let vid_running = running.clone();
let vid_t0 = call_t0;
let vid_app = app.clone();
crate::emit_call_debug(
&app,
"video:sender_channel_ready",
serde_json::json!({
"t_ms": call_t0.elapsed().as_millis(),
"codec": format!("{:?}", vid_codec),
"queue_depth": 4,
"platform": "android",
}),
);
tokio::spawn(async move {
crate::emit_call_debug(
&vid_app,
"video:encoder_init_start",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"width": 1280,
"height": 720,
"bitrate_bps": 1_500_000,
"platform": "android",
}),
);
let mut encoder = match wzp_video::factory::create_video_encoder(
vid_codec, 1280, 720, 1_500_000,
) {
Ok(e) => e,
Ok(e) => {
crate::emit_call_debug(
&vid_app,
"video:encoder_started",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"platform": "android",
}),
);
e
}
Err(e) => {
error!("video encoder init failed (android): {e}");
crate::emit_call_debug(
&vid_app,
"video:encoder_init_failed",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"platform": "android",
"error": e.to_string(),
}),
);
return;
}
};
let mut seq: u32 = 0;
let mut frames_since_keyframe: u32 = 0;
let mut first_send_logged = false;
let mut first_camera_frame_logged = false;
let mut camera_frames: u64 = 0;
let mut empty_encodes: u64 = 0;
let mut wait_ticks: u64 = 0;
encoder.request_keyframe();
crate::emit_call_debug(
&vid_app,
"video:keyframe_requested",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"reason": "initial",
"platform": "android",
}),
);
info!(codec = ?vid_codec, "video send task started (android)");
while vid_running.load(Ordering::Relaxed) {
let frame = match tokio::time::timeout(
@@ -1625,13 +1798,58 @@ impl CallEngine {
)
.await
{
Ok(Some(f)) => f,
Ok(Some(f)) => {
wait_ticks = 0;
camera_frames += 1;
if !first_camera_frame_logged {
first_camera_frame_logged = true;
crate::emit_call_debug(
&vid_app,
"video:first_camera_frame",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"width": f.width,
"height": f.height,
"data_bytes": f.data.len(),
"platform": "android",
}),
);
}
f
}
Ok(None) => break,
Err(_) => continue,
Err(_) => {
wait_ticks += 1;
if wait_ticks == 10 || wait_ticks % 50 == 0 {
crate::emit_call_debug(
&vid_app,
"video:waiting_for_camera_frames",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"wait_ms": wait_ticks * 200,
"codec": format!("{:?}", vid_codec),
"platform": "android",
}),
);
}
continue;
}
};
if frames_since_keyframe >= 150 {
encoder.request_keyframe();
crate::emit_call_debug(
&vid_app,
"video:keyframe_requested",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"reason": "periodic",
"camera_frames": camera_frames,
"platform": "android",
}),
);
frames_since_keyframe = 0;
}
@@ -1639,9 +1857,37 @@ impl CallEngine {
Ok(b) => b,
Err(e) => {
error!("video encode error (android): {e}");
crate::emit_call_debug(
&vid_app,
"video:encode_error",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"camera_frames": camera_frames,
"error": e.to_string(),
"platform": "android",
}),
);
continue;
}
};
if encoded.is_empty() {
empty_encodes += 1;
if empty_encodes == 1 || empty_encodes % 30 == 0 {
crate::emit_call_debug(
&vid_app,
"video:encode_empty",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"camera_frames": camera_frames,
"empty_encodes": empty_encodes,
"platform": "android",
}),
);
}
continue;
}
let is_keyframe = encoder.is_keyframe(&encoded);
let ts_ms = vid_t0.elapsed().as_millis() as u32;
@@ -1674,10 +1920,34 @@ impl CallEngine {
}
frames_since_keyframe += 1;
}
crate::emit_call_debug(
&vid_app,
"video:sender_exit",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"camera_frames": camera_frames,
"empty_encodes": empty_encodes,
"platform": "android",
}),
);
info!("video send task exited (android)");
});
Some(tx)
} else {
crate::emit_call_debug(
&app,
"video:send_disabled",
serde_json::json!({
"t_ms": call_t0.elapsed().as_millis(),
"reason": if is_direct_p2p {
"direct_p2p_skips_relay_handshake"
} else {
"no_video_codec_negotiated"
},
"platform": "android",
}),
);
None
};
@@ -1795,6 +2065,14 @@ impl CallEngine {
error!("perform_handshake failed: {e}");
e
})?;
crate::emit_call_debug(
&_app,
"connect:handshake_done",
serde_json::json!({
"t_ms": call_t0.elapsed().as_millis(),
"video_codec": hs.video_codec.map(|c| format!("{:?}", c)),
}),
);
info!(video_codec = ?hs.video_codec, "handshake complete");
drop(hs.session);
(hs.video_codec, transport)
@@ -1802,6 +2080,16 @@ impl CallEngine {
info!("direct P2P — skipping relay handshake (QUIC TLS is the encryption layer)");
(None, transport)
};
crate::emit_call_debug(
&_app,
"video:negotiated",
serde_json::json!({
"t_ms": call_t0.elapsed().as_millis(),
"codec": _negotiated_video_codec.map(|c| format!("{:?}", c)),
"enabled": _negotiated_video_codec.is_some(),
"direct_p2p": is_direct_p2p,
}),
);
info!("connected to relay, handshake complete");
event_cb("connected", &format!("joined room {room}"));
@@ -2100,6 +2388,9 @@ impl CallEngine {
let mut video_decoder: Option<Box<dyn wzp_video::decoder::VideoDecoder>> = None;
let mut video_decoder_codec: Option<wzp_proto::CodecId> = None;
let mut video_first_recv_logged_desktop = false;
let mut video_first_reassembled_logged = false;
let mut video_first_decoded_logged = false;
let mut video_decoder_buffering_count: u64 = 0;
let mut decoded_frames: u64 = 0;
let mut decode_errs: u64 = 0;
let mut last_written: usize = 0;
@@ -2136,16 +2427,60 @@ impl CallEngine {
if let Some((codec_id, is_kf, frame)) =
video_reassembler.push(&pkt)
{
if !video_first_reassembled_logged {
video_first_reassembled_logged = true;
crate::emit_call_debug(
&recv_app,
"video:first_reassembled",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"is_keyframe": is_kf,
"frame_bytes": frame.len(),
"platform": "desktop",
}),
);
}
// Lazy-init or switch decoder on codec change.
if video_decoder_codec != Some(codec_id) {
crate::emit_call_debug(
&recv_app,
"video:decoder_init_start",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"width": 1280,
"height": 720,
"platform": "desktop",
}),
);
match wzp_video::factory::create_video_decoder(codec_id, 1280, 720) {
Ok(d) => {
info!(codec = ?codec_id, "video decoder created");
crate::emit_call_debug(
&recv_app,
"video:decoder_started",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"platform": "desktop",
}),
);
video_decoder = Some(d);
video_decoder_codec = Some(codec_id);
}
Err(e) => {
error!("video decoder init failed: {e}");
crate::emit_call_debug(
&recv_app,
"video:decoder_init_failed",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"error": e.to_string(),
"platform": "desktop",
}),
);
}
}
}
@@ -2160,6 +2495,37 @@ impl CallEngine {
yuv_frame.width,
yuv_frame.height,
);
let jpeg_ok = jpeg_b64.is_some();
if !video_first_decoded_logged {
video_first_decoded_logged = true;
crate::emit_call_debug(
&recv_app,
"video:first_decoded_frame",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"width": yuv_frame.width,
"height": yuv_frame.height,
"yuv_bytes": yuv_frame.data.len(),
"jpeg_ok": jpeg_ok,
"platform": "desktop",
}),
);
}
if !jpeg_ok {
crate::emit_call_debug(
&recv_app,
"video:jpeg_encode_failed",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"width": yuv_frame.width,
"height": yuv_frame.height,
"yuv_bytes": yuv_frame.data.len(),
"platform": "desktop",
}),
);
}
let _ = recv_app.emit(
"video:frame",
serde_json::json!({
@@ -2171,9 +2537,35 @@ impl CallEngine {
}),
);
}
Ok(None) => {} // decoder buffering — no output yet
Ok(None) => {
video_decoder_buffering_count += 1;
if video_decoder_buffering_count == 1
|| video_decoder_buffering_count % 30 == 0
{
crate::emit_call_debug(
&recv_app,
"video:decoder_buffering",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"buffering": video_decoder_buffering_count,
"platform": "desktop",
}),
);
}
}
Err(e) => {
error!("video decode error: {e}");
crate::emit_call_debug(
&recv_app,
"video:decode_error",
serde_json::json!({
"t_ms": recv_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", codec_id),
"error": e.to_string(),
"platform": "desktop",
}),
);
}
}
}
@@ -2387,19 +2779,77 @@ impl CallEngine {
let vid_running = running.clone();
let vid_t0 = call_t0;
let vid_app = _app.clone();
crate::emit_call_debug(
&_app,
"video:sender_channel_ready",
serde_json::json!({
"t_ms": call_t0.elapsed().as_millis(),
"codec": format!("{:?}", vid_codec),
"queue_depth": 4,
"platform": "desktop",
}),
);
tokio::spawn(async move {
crate::emit_call_debug(
&vid_app,
"video:encoder_init_start",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"width": 1280,
"height": 720,
"bitrate_bps": 1_500_000,
"platform": "desktop",
}),
);
let mut encoder = match wzp_video::factory::create_video_encoder(
vid_codec, 1280, 720, 1_500_000,
) {
Ok(e) => e,
Ok(e) => {
crate::emit_call_debug(
&vid_app,
"video:encoder_started",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"platform": "desktop",
}),
);
e
}
Err(e) => {
error!("video encoder init failed: {e}");
crate::emit_call_debug(
&vid_app,
"video:encoder_init_failed",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"platform": "desktop",
"error": e.to_string(),
}),
);
return;
}
};
let mut seq: u32 = 0;
let mut frames_since_keyframe: u32 = 0;
let mut first_send_logged = false;
let mut first_camera_frame_logged = false;
let mut camera_frames: u64 = 0;
let mut empty_encodes: u64 = 0;
let mut wait_ticks: u64 = 0;
encoder.request_keyframe();
crate::emit_call_debug(
&vid_app,
"video:keyframe_requested",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"reason": "initial",
"platform": "desktop",
}),
);
info!(codec = ?vid_codec, "video send task started");
while vid_running.load(Ordering::Relaxed) {
let frame = match tokio::time::timeout(
@@ -2408,13 +2858,58 @@ impl CallEngine {
)
.await
{
Ok(Some(f)) => f,
Ok(Some(f)) => {
wait_ticks = 0;
camera_frames += 1;
if !first_camera_frame_logged {
first_camera_frame_logged = true;
crate::emit_call_debug(
&vid_app,
"video:first_camera_frame",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"width": f.width,
"height": f.height,
"data_bytes": f.data.len(),
"platform": "desktop",
}),
);
}
f
}
Ok(None) => break, // sender dropped
Err(_) => continue, // no frame yet — keep looping
Err(_) => {
wait_ticks += 1;
if wait_ticks == 10 || wait_ticks % 50 == 0 {
crate::emit_call_debug(
&vid_app,
"video:waiting_for_camera_frames",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"wait_ms": wait_ticks * 200,
"codec": format!("{:?}", vid_codec),
"platform": "desktop",
}),
);
}
continue;
}
};
if frames_since_keyframe >= 150 {
encoder.request_keyframe();
crate::emit_call_debug(
&vid_app,
"video:keyframe_requested",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"reason": "periodic",
"camera_frames": camera_frames,
"platform": "desktop",
}),
);
frames_since_keyframe = 0;
}
@@ -2422,9 +2917,37 @@ impl CallEngine {
Ok(b) => b,
Err(e) => {
error!("video encode error: {e}");
crate::emit_call_debug(
&vid_app,
"video:encode_error",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"camera_frames": camera_frames,
"error": e.to_string(),
"platform": "desktop",
}),
);
continue;
}
};
if encoded.is_empty() {
empty_encodes += 1;
if empty_encodes == 1 || empty_encodes % 30 == 0 {
crate::emit_call_debug(
&vid_app,
"video:encode_empty",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"camera_frames": camera_frames,
"empty_encodes": empty_encodes,
"platform": "desktop",
}),
);
}
continue;
}
let is_keyframe = encoder.is_keyframe(&encoded);
let ts_ms = vid_t0.elapsed().as_millis() as u32;
@@ -2457,10 +2980,34 @@ impl CallEngine {
}
frames_since_keyframe += 1;
}
crate::emit_call_debug(
&vid_app,
"video:sender_exit",
serde_json::json!({
"t_ms": vid_t0.elapsed().as_millis() as u64,
"codec": format!("{:?}", vid_codec),
"camera_frames": camera_frames,
"empty_encodes": empty_encodes,
"platform": "desktop",
}),
);
info!("video send task exited");
});
Some(tx)
} else {
crate::emit_call_debug(
&_app,
"video:send_disabled",
serde_json::json!({
"t_ms": call_t0.elapsed().as_millis(),
"reason": if is_direct_p2p {
"direct_p2p_skips_relay_handshake"
} else {
"no_video_codec_negotiated"
},
"platform": "desktop",
}),
);
None
};

123
desktop/src-tauri/src/lib.rs
View File

@@ -31,7 +31,7 @@ use engine::CallEngine;
use serde::Serialize;
use std::path::PathBuf;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::atomic::{AtomicBool, AtomicU64, Ordering};
use std::sync::{Arc, OnceLock};
use tauri::{Emitter, Manager};
use tokio::sync::Mutex;
@@ -49,6 +49,11 @@ use wzp_proto::{MediaTransport, default_signal_version};
// Mirrors the existing `wzp_codec::dred_verbose_logs` pattern.
static CALL_DEBUG_LOGS: AtomicBool = AtomicBool::new(false);
static CAMERA_PUSH_FRAMES: AtomicU64 = AtomicU64::new(0);
static CAMERA_PUSH_DROPS: AtomicU64 = AtomicU64::new(0);
static CAMERA_PUSH_NO_ENGINE: AtomicU64 = AtomicU64::new(0);
static CAMERA_PUSH_NO_SENDER: AtomicU64 = AtomicU64::new(0);
static CAMERA_PUSH_DECODE_ERRORS: AtomicU64 = AtomicU64::new(0);
#[inline]
fn call_debug_logs_enabled() -> bool {
@@ -81,6 +86,18 @@ pub(crate) fn emit_call_debug(app: &tauri::AppHandle, step: &str, details: serde
let _ = app.emit("call-debug-log", payload);
}
#[tauri::command]
fn call_debug_log(app: tauri::AppHandle, step: String, details: serde_json::Value) {
if step == "camera:get_user_media_start" {
CAMERA_PUSH_FRAMES.store(0, Ordering::Relaxed);
CAMERA_PUSH_DROPS.store(0, Ordering::Relaxed);
CAMERA_PUSH_NO_ENGINE.store(0, Ordering::Relaxed);
CAMERA_PUSH_NO_SENDER.store(0, Ordering::Relaxed);
CAMERA_PUSH_DECODE_ERRORS.store(0, Ordering::Relaxed);
}
emit_call_debug(&app, &step, details);
}
/// Short git hash captured at compile time by build.rs.
const GIT_HASH: &str = env!("WZP_GIT_HASH");
@@ -152,20 +169,66 @@ fn rgb_to_i420(rgb: &[u8], w: usize, h: usize) -> Vec<u8> {
/// The frontend calls this at ~15 fps from a canvas.toDataURL() capture loop.
#[tauri::command]
async fn push_camera_frame(
app: tauri::AppHandle,
state: tauri::State<'_, Arc<AppState>>,
jpeg_b64: String,
) -> Result<(), String> {
use base64::Engine as _;
let jpeg_bytes = base64::engine::general_purpose::STANDARD
.decode(&jpeg_b64)
.map_err(|e| e.to_string())?;
let jpeg_bytes = match base64::engine::general_purpose::STANDARD.decode(&jpeg_b64) {
Ok(bytes) => bytes,
Err(e) => {
let errs = CAMERA_PUSH_DECODE_ERRORS.fetch_add(1, Ordering::Relaxed) + 1;
if errs == 1 || errs % 30 == 0 {
emit_call_debug(
&app,
"camera:jpeg_base64_decode_failed",
serde_json::json!({
"errors": errs,
"error": e.to_string(),
"b64_len": jpeg_b64.len(),
}),
);
}
return Err(e.to_string());
}
};
let dyn_img = image::load_from_memory_with_format(&jpeg_bytes, image::ImageFormat::Jpeg)
.map_err(|e| e.to_string())?;
let dyn_img = match image::load_from_memory_with_format(&jpeg_bytes, image::ImageFormat::Jpeg) {
Ok(img) => img,
Err(e) => {
let errs = CAMERA_PUSH_DECODE_ERRORS.fetch_add(1, Ordering::Relaxed) + 1;
if errs == 1 || errs % 30 == 0 {
emit_call_debug(
&app,
"camera:jpeg_decode_failed",
serde_json::json!({
"errors": errs,
"error": e.to_string(),
"jpeg_bytes": jpeg_bytes.len(),
}),
);
}
return Err(e.to_string());
}
};
let rgb_img = dyn_img.to_rgb8();
let w = rgb_img.width() as usize;
let h = rgb_img.height() as usize;
let yuv = rgb_to_i420(rgb_img.as_raw(), w, h);
let frame_no = CAMERA_PUSH_FRAMES.fetch_add(1, Ordering::Relaxed) + 1;
if frame_no == 1 || frame_no % 150 == 0 {
emit_call_debug(
&app,
"camera:frame_received",
serde_json::json!({
"frame_no": frame_no,
"width": w,
"height": h,
"jpeg_bytes": jpeg_bytes.len(),
"yuv_bytes": yuv.len(),
}),
);
}
let ts = std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
@@ -182,7 +245,52 @@ async fn push_camera_frame(
let engine = state.engine.lock().await;
if let Some(ref eng) = *engine {
if let Some(ref tx) = eng.camera_tx {
let _ = tx.try_send(frame); // drop frame if send task is saturated
match tx.try_send(frame) {
Ok(()) => {
if frame_no == 1 || frame_no % 150 == 0 {
emit_call_debug(
&app,
"camera:frame_queued",
serde_json::json!({ "frame_no": frame_no }),
);
}
}
Err(e) => {
let drops = CAMERA_PUSH_DROPS.fetch_add(1, Ordering::Relaxed) + 1;
if drops == 1 || drops % 30 == 0 {
emit_call_debug(
&app,
"camera:frame_drop",
serde_json::json!({
"frame_no": frame_no,
"drops": drops,
"reason": e.to_string(),
}),
);
}
}
}
} else {
let count = CAMERA_PUSH_NO_SENDER.fetch_add(1, Ordering::Relaxed) + 1;
if count == 1 || count % 150 == 0 {
emit_call_debug(
&app,
"camera:no_video_sender",
serde_json::json!({
"count": count,
"hint": "video was not negotiated or the encoder task failed before camera_tx was installed",
}),
);
}
}
} else {
let count = CAMERA_PUSH_NO_ENGINE.fetch_add(1, Ordering::Relaxed) + 1;
if count == 1 || count % 150 == 0 {
emit_call_debug(
&app,
"camera:no_call_engine",
serde_json::json!({ "count": count }),
);
}
}
Ok(())
@@ -3396,6 +3504,7 @@ pub fn run() {
get_dred_verbose_logs,
set_call_debug_logs,
get_call_debug_logs,
call_debug_log,
push_camera_frame,
])
.run(tauri::generate_context!())

62
desktop/src/main.ts
View File

@@ -263,6 +263,10 @@ function renderCallDebugLog() {
sCallDebugLogEl.scrollTop = sCallDebugLogEl.scrollHeight;
}
function debugLog(step: string, details: any = {}) {
invoke("call_debug_log", { step, details }).catch(() => {});
}
// ── Quality slider ────────────────────────────────────────────────
const QUALITY_STEPS = ["studio-64k", "studio-48k", "studio-32k", "auto", "good", "degraded", "codec2-3200", "catastrophic"];
const QUALITY_LABELS = ["Studio 64k", "Studio 48k", "Studio 32k", "Auto", "Opus 24k", "Opus 6k", "Codec2 3.2k", "Codec2 1.2k"];
@@ -488,14 +492,18 @@ vdSpkBtn.addEventListener("click", async () => {
// ── Camera (Blocker 4 + 5) ────────────────────────────────────────
const camCaptureCanvas = document.createElement("canvas");
const camCaptureCtx = camCaptureCanvas.getContext("2d")!;
let cameraCaptureFrameNo = 0;
let cameraPushFailures = 0;
async function startCamera() {
if (cameraActive) return;
const constraints = {
video: { width: { ideal: 1280 }, height: { ideal: 720 }, facingMode: "user" },
audio: false,
};
debugLog("camera:get_user_media_start", { constraints });
try {
cameraStream = await navigator.mediaDevices.getUserMedia({
video: { width: { ideal: 1280 }, height: { ideal: 720 }, facingMode: "user" },
audio: false,
});
cameraStream = await navigator.mediaDevices.getUserMedia(constraints);
vdLocalVideo.srcObject = cameraStream;
vdVideoStrip.classList.remove("hidden");
@@ -503,25 +511,61 @@ async function startCamera() {
const settings = track.getSettings();
camCaptureCanvas.width = settings.width ?? 640;
camCaptureCanvas.height = settings.height ?? 360;
debugLog("camera:get_user_media_ok", {
width: camCaptureCanvas.width,
height: camCaptureCanvas.height,
frameRate: settings.frameRate ?? null,
deviceId: settings.deviceId ? "present" : null,
facingMode: settings.facingMode ?? null,
});
cameraActive = true;
cameraCaptureFrameNo = 0;
cameraPushFailures = 0;
vdCamIcon.textContent = "Cam ✓";
vdCamBtn.classList.add("active");
// Capture loop at ~15 fps
cameraFrameTimer = window.setInterval(async () => {
if (!cameraActive) return;
camCaptureCtx.drawImage(vdLocalVideo, 0, 0, camCaptureCanvas.width, camCaptureCanvas.height);
const dataUrl = camCaptureCanvas.toDataURL("image/jpeg", 0.75);
const b64 = dataUrl.slice(dataUrl.indexOf(",") + 1);
try { await invoke("push_camera_frame", { jpeg_b64: b64 }); } catch { /* call not active */ }
cameraCaptureFrameNo++;
try {
camCaptureCtx.drawImage(vdLocalVideo, 0, 0, camCaptureCanvas.width, camCaptureCanvas.height);
const dataUrl = camCaptureCanvas.toDataURL("image/jpeg", 0.75);
const b64 = dataUrl.slice(dataUrl.indexOf(",") + 1);
if (cameraCaptureFrameNo === 1 || cameraCaptureFrameNo % 150 === 0) {
debugLog("camera:capture_frame", {
frame_no: cameraCaptureFrameNo,
width: camCaptureCanvas.width,
height: camCaptureCanvas.height,
jpeg_b64_len: b64.length,
});
}
await invoke("push_camera_frame", { jpegB64: b64 });
} catch (e: any) {
cameraPushFailures++;
if (cameraPushFailures === 1 || cameraPushFailures % 30 === 0) {
debugLog("camera:push_failed", {
frame_no: cameraCaptureFrameNo,
failures: cameraPushFailures,
error: errorMessage(e),
});
}
}
}, 67); // 67 ms ≈ 15 fps
} catch (e) {
} catch (e: any) {
console.warn("camera access denied or unavailable:", e);
debugLog("camera:get_user_media_failed", {
name: e?.name ?? null,
message: e?.message ?? String(e),
});
}
}
function stopCamera() {
if (cameraActive) {
debugLog("camera:stopped", { frames: cameraCaptureFrameNo });
}
cameraActive = false;
if (cameraFrameTimer != null) { window.clearInterval(cameraFrameTimer); cameraFrameTimer = null; }
if (cameraStream) { cameraStream.getTracks().forEach(t => t.stop()); cameraStream = null; }