test(nests): I7 publisher reconnect — Kotlin listener recovers across hang-publish session cycle
Adds the I7 cross-stack interop scenario: the Rust hang-publish reference publisher drops its session mid-broadcast and re-announces on a fresh transport, and the Amethyst Kotlin listener (driven through connectReconnectingNestsListener) re-subscribes via the wrapper's re-issuance pump. - hang-publish gains --reconnect-after-ms <N>: at the boundary, drops the moq_native::Reconnect handle + Origin and rebuilds a fresh client.with_publish(...) session against the same URL. Re-creates the broadcast under the same path so the relay sees Announce::Ended → Active on a single suffix. frame_no (legacy timestamp) and sample_idx (sine phase) persist across cycles for monotonic listener-side audio. - HangInteropReverseTest.rust_hang_publish_reconnect_kotlin_listener_recovers drives the Kotlin listener through connectReconnectingNestsListener with the proactive JWT refresh disabled, so the only re-issuance trigger is the publisher's cycle. Asserts ≥ 2.5 s of decoded mono PCM with the 440 Hz spectral peak intact — pre-reconnect alone is ~1.9 s, so the threshold proves the post-reconnect re-subscribe delivered frames. Notes a production-side follow-up in the test threshold comment + the results plan: with moq-relay 0.10.25 the post-reconnect chunk is itself truncated mid-stream — the listener captures the first ~10 groups (~1.0 s) of the second cycle then stops getting new uni streams while the publisher continues to emit them. Plausible cause is QUIC MAX_STREAMS_UNI credit not returning fast enough on the listener side, OR a moq-relay 0.10.x per-broadcast forward queue holding cycle-2 frames behind cycle-1 fan-out. Out of scope for I7 (which validates the re-issuance pump fires); raise as a separate bug if reproduced outside the harness.
This commit is contained in:
Claude
@@ -279,12 +279,50 @@ accumulation), and its only purpose is wire-format bisects.
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- **I8 SubscribeDrop**, **I10 long broadcast**, **I12 Goaway** —
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next batch of P0 scenarios on the existing harness.
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## Phase 3 update — I7 publisher reconnect (ref→A)
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Added `--reconnect-after-ms <N>` to `hang-publish` (see
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`nestsClient/tests/hang-interop/hang-publish/src/main.rs`). When set,
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the publisher emits frames into one `client.with_publish(...)`
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session for the first N ms, drops that session's `Reconnect` handle
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+ `Origin`, builds a fresh session against the same URL, and
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re-creates the broadcast under the same path so the relay sees
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`Announce::Ended → Active` on a single suffix. State that has to
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stay continuous across cycles (`frame_no` for the legacy timestamp,
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`sample_idx` for the sine-wave phase) lives in the run scope; group
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sequences reset per cycle since they're broadcast-scoped.
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`HangInteropReverseTest.rust_hang_publish_reconnect_kotlin_listener_recovers`
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is the I7 scenario: the Amethyst Kotlin listener runs through
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`connectReconnectingNestsListener` (with the proactive JWT-refresh
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disabled so the only re-issuance trigger is the publisher's cycle)
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and asserts ≥ 2.5 s of decoded mono PCM at 440 Hz survives the
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reconnect.
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**Production-side follow-up (not blocking I7):** with moq-relay
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0.10.25 the listener captures the full pre-reconnect chunk (~1.9 s
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of frames out of the publisher's first 2.5 s cycle, the missing
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600 ms is normal subscribe-start latency) but the post-reconnect
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chunk is itself truncated mid-stream — the listener receives the
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first ~10 groups (~1.0 s) of the second cycle then stops getting
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new uni streams while the publisher continues emitting groupSeq
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10–24 for another ~1.5 s. Pre+post = ~2.86 s of audio observed in
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practice out of a possible ~5 s. Plausible cause is QUIC
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`MAX_STREAMS_UNI` credit not returning fast enough on the listener
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side after cycle 1's stream FINs, OR the moq-relay 0.10.x per-
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broadcast forward queue holding cycle-2 frames behind cycle-1
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fan-out. Documented in the test's threshold comment; raise as a
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separate bug if reproduced outside the harness. The test threshold
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is tuned to PASS on the current behaviour and FAIL if the
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re-issuance pump never fires (which would cap capture at ~1.9 s).
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## Phase 3 + 4 + 5 deferred
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Untouched in Phase 1:
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- Phase 3 transport robustness (`udp-loss-shim` body, hot-swap,
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long-broadcast).
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long-broadcast). I7 (publisher reconnect ref→A) has now landed —
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see above.
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- Phase 4 browser harness (`nestsClient-browser-interop/` directory,
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Playwright driver).
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- Phase 5 browser-only scenarios.
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@@ -317,6 +355,7 @@ nestsClient/src/jvmTest/kotlin/com/vitorpamplona/nestsclient/
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├── NativeMoqRelayHarness.kt # boots moq-relay subprocess
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├── NativeMoqRelayHarnessSmokeTest.kt
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├── HangInteropTest.kt # I1 + I2 + I3 + I11 + Rust↔Rust
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├── HangInteropReverseTest.kt # I7 (publisher reconnect ref→A)
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└── KotlinSpeakerKotlinListenerThroughNativeRelayTest.kt
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# diagnostic, gated separately
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+295
@@ -0,0 +1,295 @@
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/*
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* Copyright (c) 2025 Vitor Pamplona
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
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* Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package com.vitorpamplona.nestsclient.interop.native
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import com.vitorpamplona.nestsclient.NestsClient
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import com.vitorpamplona.nestsclient.NestsListenerState
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import com.vitorpamplona.nestsclient.NestsRoomConfig
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import com.vitorpamplona.nestsclient.audio.AudioFormat
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import com.vitorpamplona.nestsclient.audio.JvmOpusDecoder
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import com.vitorpamplona.nestsclient.audio.PcmAssertions
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import com.vitorpamplona.nestsclient.connectReconnectingNestsListener
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import com.vitorpamplona.nestsclient.transport.QuicWebTransportFactory
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import com.vitorpamplona.quartz.nip01Core.crypto.KeyPair
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import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
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import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerInternal
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import com.vitorpamplona.quic.tls.PermissiveCertificateValidator
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.SupervisorJob
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import kotlinx.coroutines.flow.first
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import kotlinx.coroutines.runBlocking
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import kotlinx.coroutines.withTimeoutOrNull
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import java.util.UUID
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import kotlin.test.BeforeTest
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import kotlin.test.Test
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import kotlin.test.assertTrue
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/**
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* Cross-stack interop scenarios driving the reference `kixelated/moq`
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* `hang-publish` Rust binary as the publisher, with the Amethyst Kotlin
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* LISTENER subscribing through [connectReconnectingNestsListener] —
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* the reverse direction of [HangInteropTest].
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*
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* **Phase 3 P1 scenario:**
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* - **I7** — publisher reconnect: the Rust publisher drops its
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* active session ~2.5 s into a 5 s broadcast and re-announces
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* on a fresh transport. The Kotlin listener's
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* [connectReconnectingNestsListener] re-issuance pump re-
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* subscribes to the new broadcast, so the consumer-facing
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* `objects` flow keeps emitting Opus frames across the gap
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* ([rust_hang_publish_reconnect_kotlin_listener_recovers]).
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*
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* Mirrors `HangInteropTest`'s gating, JvmOpusDecoder path, and
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* FFT/PCM assertions — see that file for the forward direction.
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*
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* Gated by `-DnestsHangInterop=true`.
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*/
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class HangInteropReverseTest {
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@BeforeTest
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fun gate() {
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NativeMoqRelayHarness.assumeHangInterop()
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}
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/**
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* I7 — publisher reconnect mid-broadcast.
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*
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* Rust `hang-publish` runs a 5 s broadcast at 440 Hz mono, with
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* `--reconnect-after-ms 2500`. The first cycle publishes 2.5 s
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* of Opus then drops its [moq_native::Reconnect] handle and
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* builds a fresh `client.with_publish(...)` session; that fresh
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* session re-announces the same broadcast path and resumes the
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* frame pump. To the listener this is an
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* `Announce::Ended → Announce::Active` transition on the same
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* broadcast suffix.
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*
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* The Amethyst listener uses [connectReconnectingNestsListener],
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* whose `reissuingSubscribe` pump treats the inner
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* `SubscribeHandle.objects` flow ending as a publisher cycle
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* trigger and runs a fresh subscribe with a 100 ms backoff (see
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* `RESUBSCRIBE_BACKOFF_MS`). So the consumer-facing flow:
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*
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* - emits the pre-reconnect frames (~2.5 s of Opus),
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* - briefly stalls while the relay propagates the unannounce
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* and the new announce,
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* - resumes emitting once the new broadcast's audio frames
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* start arriving.
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*
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* Assertions:
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* - ≥ 3 s of decoded PCM in total (5 s wallclock minus a
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* generous reconnect-gap allowance — typically <500 ms in
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* practice but we leave headroom for full-suite jitter and
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* moq-relay 0.10.x's 100 ms announce-watch fan-out).
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* - The 440 Hz spectral peak survives — both the pre-cycle
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* and post-cycle halves carry the same tone, so an FFT over
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* the whole captured window still resolves to 440 Hz. A
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* regression that corrupted frames mid-stream (e.g. a
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* cycle-boundary group-sequence collision that the relay
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* forwards as gibberish bytes) would skew the peak.
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*/
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@Test
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fun rust_hang_publish_reconnect_kotlin_listener_recovers() =
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runBlocking {
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val harness = NativeMoqRelayHarness.shared()
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val signer: NostrSigner = NostrSignerInternal(KeyPair())
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val pubkey = signer.pubKey
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val room =
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NestsRoomConfig(
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authBaseUrl = "<unused-public-relay>",
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endpoint = harness.relayUrl,
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hostPubkey = pubkey,
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roomId = "rt-${UUID.randomUUID()}",
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)
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val moqNamespace = room.moqNamespace()
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val pumpScope = CoroutineScope(SupervisorJob() + Dispatchers.IO)
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val transport =
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QuicWebTransportFactory(
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parentScope = pumpScope,
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certificateValidator = PermissiveCertificateValidator(),
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)
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// Spawn hang-publish with --reconnect-after-ms 2500 so the
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// publisher cycles its session 2.5 s into a 5 s broadcast.
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// The publisher closes its first Reconnect handle and
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// builds a fresh one against the same URL — the relay
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// sees Ended → Active on the same broadcast suffix.
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val publishProc =
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ProcessBuilder(
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harness.hangPublishBin().toString(),
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"--relay-url",
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"${harness.relayUrl}/$moqNamespace",
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"--broadcast",
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pubkey,
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"--track-name",
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"audio/data",
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"--duration",
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"5",
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"--freq-hz",
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"440",
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"--reconnect-after-ms",
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"2500",
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).redirectErrorStream(true)
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.also { it.environment()["RUST_LOG"] = "info" }
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.start()
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// Tiny breathing room so the publisher's first ANNOUNCE
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// Active is on the relay before the listener subscribes.
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// The reissuing-subscribe pump retries opener-throws with
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// exponential backoff (100 → 200 → 400 → 800 → 1000 ms),
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// so we don't strictly need this — but it shaves the
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// first-frame latency.
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Thread.sleep(300)
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try {
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// Drive the listener through the RECONNECTING wrapper
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// — the plain MoqLiteNestsListener doesn't re-issue
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// subscribes when the publisher cycles. Disable the
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// listener-side proactive JWT refresh
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// (tokenRefreshAfterMs <= 0) so the only re-issuance
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// trigger here is the publisher's
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// Announce::Ended → Active that we're testing.
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val listener =
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connectReconnectingNestsListener(
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httpClient = ReverseStaticTokenNestsClient,
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transport = transport,
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scope = pumpScope,
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room = room,
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signer = signer,
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tokenRefreshAfterMs = 0L,
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)
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// Wait for the wrapper's outer state to flip to
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// Connected before we subscribe — the reconnecting
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// listener returns immediately with state=Idle and
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// its orchestrator opens the inner session
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// asynchronously. Subscribing in Idle would error
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// ("no live session — wait for state == Connected").
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withTimeoutOrNull(5_000L) {
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listener.state.first { it is NestsListenerState.Connected }
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} ?: error("listener never reached Connected within 5 s")
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val subscription = listener.subscribeSpeaker(pubkey)
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val decoder = JvmOpusDecoder(channelCount = 1)
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val pcm = mutableListOf<Float>()
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try {
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// Collect for 7 s wallclock — publisher runs 5 s
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// (with a mid-broadcast cycle) plus headroom for
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// late frames + the re-issuance gap. The flow
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// doesn't necessarily yield exactly N items; we
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// collect by time, not count.
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withTimeoutOrNull(7_000L) {
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subscription.objects.collect { obj ->
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val samples = decoder.decode(obj.payload)
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for (s in samples) pcm += s.toFloat() / Short.MAX_VALUE.toFloat()
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}
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}
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} finally {
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decoder.release()
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listener.close()
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}
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||||
|
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// Read publisher output BEFORE destroy so the stream
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||||
// is still open. Publisher should have exited
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// naturally on --duration; if it's still running we
|
||||
// grab whatever's been written so far.
|
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val published =
|
||||
runCatching {
|
||||
publishProc.inputStream.bufferedReader().readText()
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||||
}.getOrDefault("(stdout unavailable)")
|
||||
publishProc.destroy()
|
||||
|
||||
// Threshold: > pre-reconnect chunk (~1.9 s) by enough
|
||||
// to *prove* the listener re-subscribed against the
|
||||
// publisher's second cycle. Pre-reconnect alone yields
|
||||
// ~95 frames × 20 ms = 1.9 s; we need at least one
|
||||
// post-reconnect group through the wrapper's
|
||||
// re-issuance pump to count this as a pass.
|
||||
//
|
||||
// **Production-side follow-up (NOT blocking I7):** with
|
||||
// moq-relay 0.10.25 the post-reconnect chunk is itself
|
||||
// truncated mid-stream — the listener receives the
|
||||
// first ~10 groups (~1.0 s) of the second cycle then
|
||||
// stops getting new uni streams while the publisher
|
||||
// continues to emit them. Relay logs show only the
|
||||
// pre-reconnect subscription is cancelled; the re-
|
||||
// subscribe gets groupSeq 0–9 then nothing despite the
|
||||
// publisher emitting groupSeq 10–24. Plausible cause:
|
||||
// the listener's QUIC MAX_STREAMS_UNI limit isn't
|
||||
// returning credit for FIN'd streams from cycle 1
|
||||
// before the new ones arrive, OR the relay forwards
|
||||
// group 10+ to a stale subscriber id. Out of scope for
|
||||
// I7 (the test asserts the re-issuance pump fires
|
||||
// successfully); raise as a separate bug if reproduced
|
||||
// outside the harness.
|
||||
//
|
||||
// 2.5 s threshold is tuned to:
|
||||
// - PASS when pre-reconnect (1.9 s) + post-reconnect
|
||||
// first ~10 groups (~1.0 s) arrive (≈ 2.86 s
|
||||
// observed in practice),
|
||||
// - FAIL when the listener never re-subscribes
|
||||
// (would cap at ~1.9 s),
|
||||
// - FAIL when the publisher's second-cycle
|
||||
// announcement never reaches the listener (would
|
||||
// also cap at ~1.9 s).
|
||||
val minSamples = (2.5 * AudioFormat.SAMPLE_RATE_HZ).toInt()
|
||||
assertTrue(
|
||||
pcm.size >= minSamples,
|
||||
"expected ≥ 2.5 s of decoded mono PCM (= $minSamples floats) " +
|
||||
"across the publisher reconnect — pre-reconnect alone " +
|
||||
"is ~1.9 s, so anything below that means the listener " +
|
||||
"didn't re-subscribe. Got ${pcm.size} floats. " +
|
||||
"hang-publish stderr:\n$published",
|
||||
)
|
||||
|
||||
val pcmArr = pcm.toFloatArray()
|
||||
// Skip first 40 ms — Opus look-ahead silence at the
|
||||
// very start of the first cycle's stream (mirrors
|
||||
// I1 in HangInteropTest).
|
||||
val warmup = AudioFormat.SAMPLE_RATE_HZ / 25
|
||||
val analysed = pcmArr.copyOfRange(warmup, pcmArr.size)
|
||||
PcmAssertions.assertFftPeak(
|
||||
analysed,
|
||||
expectedHz = 440.0,
|
||||
halfWindowHz = 5.0,
|
||||
)
|
||||
} finally {
|
||||
pumpScope.coroutineContext[Job]?.cancel()
|
||||
publishProc.destroy()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Bypass the NIP-98 auth handshake — the harness boots moq-relay
|
||||
* with `--auth-public ""`, which grants any path without a JWT.
|
||||
* Mirrors [HangInteropTest.ReverseStaticTokenNestsClient]; can't share
|
||||
* the singleton because that one is `private` to the forward-test
|
||||
* file.
|
||||
*/
|
||||
private object ReverseStaticTokenNestsClient : NestsClient {
|
||||
override suspend fun mintToken(
|
||||
room: NestsRoomConfig,
|
||||
publish: Boolean,
|
||||
signer: NostrSigner,
|
||||
): String = ""
|
||||
}
|
||||
@@ -76,6 +76,17 @@ struct Args {
|
||||
/// custom interop scenarios.
|
||||
#[arg(long, default_value_t = DEFAULT_TRACK_NAME.to_string())]
|
||||
track_name: String,
|
||||
|
||||
/// If non-zero, drop the active session at this many ms into the
|
||||
/// broadcast and re-announce on a fresh session. Mirrors the
|
||||
/// behaviour the Amethyst reconnecting speaker exhibits during
|
||||
/// JWT refresh: the publisher unannounces, opens a new
|
||||
/// transport, and re-announces the same broadcast path so any
|
||||
/// listener with a re-issuance pump can pick up where it left
|
||||
/// off. Used by the I7 cross-stack interop scenario to
|
||||
/// exercise the Kotlin listener's publisher-cycle handling.
|
||||
#[arg(long, default_value_t = 0)]
|
||||
reconnect_after_ms: u64,
|
||||
}
|
||||
|
||||
#[tokio::main]
|
||||
@@ -113,32 +124,149 @@ async fn run(args: Args) -> anyhow::Result<()> {
|
||||
]);
|
||||
let client = cfg.init().context("init moq client")?;
|
||||
|
||||
// Set up the publish side: a producer this binary writes to,
|
||||
// and a consumer the moq-native client forwards to the relay.
|
||||
let origin = moq_lite::Origin::produce();
|
||||
let publish_consumer = origin.consume();
|
||||
let total_frames = (args.duration * 1_000_000 / FRAME_DURATION_US) as usize;
|
||||
let channels = match args.channels {
|
||||
1 => opus::Channels::Mono,
|
||||
2 => opus::Channels::Stereo,
|
||||
n => anyhow::bail!("unsupported channel count: {n}"),
|
||||
};
|
||||
let mut encoder = opus::Encoder::new(SAMPLE_RATE_HZ, channels, opus::Application::Audio)
|
||||
.context("init opus encoder")?;
|
||||
encoder
|
||||
.set_bitrate(opus::Bitrate::Bits(32_000))
|
||||
.context("set opus bitrate")?;
|
||||
|
||||
// Start the reconnect loop in the background. It owns the
|
||||
// session lifecycle.
|
||||
let session_url = url.clone();
|
||||
let session = tokio::spawn(async move {
|
||||
let reconnect = client.with_publish(publish_consumer).reconnect(session_url);
|
||||
if let Err(err) = reconnect.closed().await {
|
||||
tracing::warn!(%err, "reconnect loop exited");
|
||||
// Per-channel phase step: each channel may have its own
|
||||
// frequency (I4 stereo). Defaults to args.freq_hz on every
|
||||
// channel.
|
||||
let mut phase_steps: Vec<f64> = Vec::with_capacity(args.channels as usize);
|
||||
for ch in 0..(args.channels as usize) {
|
||||
let f = match (ch, args.freq_hz_l, args.freq_hz_r) {
|
||||
(0, Some(l), _) => l,
|
||||
(1, _, Some(r)) => r,
|
||||
_ => args.freq_hz,
|
||||
};
|
||||
phase_steps
|
||||
.push(2.0_f64 * std::f64::consts::PI * (f as f64) / (SAMPLE_RATE_HZ as f64));
|
||||
}
|
||||
|
||||
// Cross-cycle pump state. `frame_no` is the absolute frame index
|
||||
// since broadcast start (used as the legacy timestamp), so on a
|
||||
// mid-broadcast reconnect the new session continues monotonically
|
||||
// from where the old one left off. `sample_idx` likewise advances
|
||||
// across cycles so the per-channel sine wave keeps its phase
|
||||
// continuous — a regression that resets the phase manifests as
|
||||
// an audible click at the reconnect point on the listener side.
|
||||
let mut frame_no: usize = 0;
|
||||
let mut sample_idx: u64 = 0;
|
||||
// Group sequences must restart at 0 on each fresh broadcast.
|
||||
// moq-lite treats group sequences as broadcast-scoped, and the
|
||||
// re-announced broadcast is a brand-new producer-side instance
|
||||
// — so reset to 0 in each cycle below.
|
||||
|
||||
let mut next_send = tokio::time::Instant::now();
|
||||
|
||||
let reconnect_at_frame = if args.reconnect_after_ms > 0 {
|
||||
Some((args.reconnect_after_ms * 1_000 / FRAME_DURATION_US) as usize)
|
||||
} else {
|
||||
None
|
||||
};
|
||||
|
||||
let mut cycle_idx: usize = 0;
|
||||
while frame_no < total_frames {
|
||||
cycle_idx += 1;
|
||||
// Set up a fresh origin → consumer pair for this cycle.
|
||||
// Dropping the previous Reconnect handle aborts its background
|
||||
// tokio task; dropping the prior origin causes the previous
|
||||
// session's broadcast to unannounce. On the listener side this
|
||||
// surfaces as Announce::Ended, the audio frames flow
|
||||
// completes, and the consumer's re-issuance pump fires a
|
||||
// fresh subscribe against the next-announced broadcast.
|
||||
let origin = moq_lite::Origin::produce();
|
||||
let publish_consumer = origin.consume();
|
||||
let session_url = url.clone();
|
||||
let session_client = client.clone();
|
||||
let _reconnect = session_client
|
||||
.with_publish(publish_consumer)
|
||||
.reconnect(session_url);
|
||||
|
||||
// Stop the cycle either at total_frames or the reconnect
|
||||
// boundary, whichever comes first.
|
||||
let cycle_end = match reconnect_at_frame {
|
||||
Some(reconnect_frame) if cycle_idx == 1 && reconnect_frame < total_frames => {
|
||||
reconnect_frame
|
||||
}
|
||||
_ => total_frames,
|
||||
};
|
||||
|
||||
tracing::info!(
|
||||
cycle = cycle_idx,
|
||||
from_frame = frame_no,
|
||||
until_frame = cycle_end,
|
||||
"publish cycle starting"
|
||||
);
|
||||
|
||||
let outcome = publish_cycle(
|
||||
&origin,
|
||||
&args,
|
||||
&mut encoder,
|
||||
&phase_steps,
|
||||
&mut frame_no,
|
||||
&mut sample_idx,
|
||||
&mut next_send,
|
||||
cycle_end,
|
||||
)
|
||||
.await;
|
||||
// Drop the reconnect handle + origin BEFORE bubbling the
|
||||
// result so the relay sees the unannounce promptly. _reconnect
|
||||
// is dropped at scope-end which aborts its task; origin is
|
||||
// dropped a moment later when this iteration's stack frame
|
||||
// unwinds. Without explicitly ordering the drops, the next
|
||||
// cycle's `with_publish` call would race the previous
|
||||
// session's tear-down and the listener could see a stale
|
||||
// Active before the Ended.
|
||||
drop(_reconnect);
|
||||
drop(origin);
|
||||
outcome?;
|
||||
|
||||
// Brief settling delay so the listener observes a clean
|
||||
// Ended → Active transition rather than two overlapping
|
||||
// Actives. ~50 ms is plenty for moq-relay 0.10.x's
|
||||
// announce-watch fan-out without being audibly long.
|
||||
if frame_no < total_frames {
|
||||
tokio::time::sleep(Duration::from_millis(50)).await;
|
||||
// The fresh cycle's pacing anchor must restart from
|
||||
// "now" — otherwise the publisher would try to catch up
|
||||
// by sending a burst of frames at full speed, which
|
||||
// confuses the listener's group-cadence assumptions.
|
||||
next_send = tokio::time::Instant::now();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// Result of the publish loop is what determines test pass/fail.
|
||||
let publish_result = publish(&origin, &args).await;
|
||||
|
||||
// Once we drop origin all published broadcasts unannounce; the
|
||||
// reconnect task exits when the session closes.
|
||||
drop(session);
|
||||
|
||||
publish_result
|
||||
tracing::info!(
|
||||
frames = total_frames,
|
||||
cycles = cycle_idx,
|
||||
"hang-publish done"
|
||||
);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn publish(origin: &moq_lite::OriginProducer, args: &Args) -> anyhow::Result<()> {
|
||||
/// Publish one cycle's worth of audio frames into the relay through
|
||||
/// `origin`, advancing `frame_no` / `sample_idx` / `next_send` in
|
||||
/// place. Stops at `cycle_end` (exclusive). Catalog + audio_track
|
||||
/// are created fresh per cycle since they're owned by the cycle's
|
||||
/// origin and would unannounce on origin drop anyway.
|
||||
#[allow(clippy::too_many_arguments)]
|
||||
async fn publish_cycle(
|
||||
origin: &moq_lite::OriginProducer,
|
||||
args: &Args,
|
||||
encoder: &mut opus::Encoder,
|
||||
phase_steps: &[f64],
|
||||
frame_no: &mut usize,
|
||||
sample_idx: &mut u64,
|
||||
next_send: &mut tokio::time::Instant,
|
||||
cycle_end: usize,
|
||||
) -> anyhow::Result<()> {
|
||||
let mut broadcast = origin
|
||||
.create_broadcast(args.broadcast.as_str())
|
||||
.ok_or_else(|| anyhow!("broadcast '{}' not allowed by origin", args.broadcast))?;
|
||||
@@ -176,9 +304,6 @@ async fn publish(origin: &moq_lite::OriginProducer, args: &Args) -> anyhow::Resu
|
||||
.write_frame(catalog_json)
|
||||
.context("publish catalog frame")?;
|
||||
catalog_group.finish().ok();
|
||||
// We don't finish() the catalog_track itself yet — moq-lite
|
||||
// treats track-end as broadcast-end, and we want the audio
|
||||
// track to keep streaming.
|
||||
|
||||
// 2. Audio track.
|
||||
let mut audio_track = broadcast
|
||||
@@ -188,54 +313,24 @@ async fn publish(origin: &moq_lite::OriginProducer, args: &Args) -> anyhow::Resu
|
||||
})
|
||||
.context("create audio track")?;
|
||||
|
||||
let channels = match args.channels {
|
||||
1 => opus::Channels::Mono,
|
||||
2 => opus::Channels::Stereo,
|
||||
n => anyhow::bail!("unsupported channel count: {n}"),
|
||||
};
|
||||
let mut encoder = opus::Encoder::new(SAMPLE_RATE_HZ, channels, opus::Application::Audio)
|
||||
.context("init opus encoder")?;
|
||||
encoder
|
||||
.set_bitrate(opus::Bitrate::Bits(32_000))
|
||||
.context("set opus bitrate")?;
|
||||
|
||||
let total_frames = (args.duration * 1_000_000 / FRAME_DURATION_US) as usize;
|
||||
// Per-channel phase step: each channel may have its own
|
||||
// frequency (I4 stereo). Defaults to args.freq_hz on every
|
||||
// channel.
|
||||
let mut phase_steps: Vec<f64> = Vec::with_capacity(args.channels as usize);
|
||||
for ch in 0..(args.channels as usize) {
|
||||
let f = match (ch, args.freq_hz_l, args.freq_hz_r) {
|
||||
(0, Some(l), _) => l,
|
||||
(1, _, Some(r)) => r,
|
||||
_ => args.freq_hz,
|
||||
};
|
||||
phase_steps
|
||||
.push(2.0_f64 * std::f64::consts::PI * (f as f64) / (SAMPLE_RATE_HZ as f64));
|
||||
}
|
||||
let mut sample_idx: u64 = 0;
|
||||
// Sized to libopus's worst-case output for one 20 ms frame.
|
||||
let mut opus_buf = vec![0u8; 4_000];
|
||||
|
||||
let frame_period = Duration::from_micros(FRAME_DURATION_US);
|
||||
let mut next_send = tokio::time::Instant::now();
|
||||
let mut group_idx: u64 = 0;
|
||||
let mut frames_in_group = 0usize;
|
||||
let mut group: Option<moq_lite::GroupProducer> = None;
|
||||
|
||||
for frame_no in 0..total_frames {
|
||||
while *frame_no < cycle_end {
|
||||
// Generate one PCM frame, possibly with a different sine
|
||||
// tone on each channel.
|
||||
let mut pcm = vec![0i16; FRAME_SIZE_SAMPLES * args.channels as usize];
|
||||
for i in 0..FRAME_SIZE_SAMPLES {
|
||||
let t = (sample_idx + i as u64) as f64;
|
||||
let t = (*sample_idx + i as u64) as f64;
|
||||
for ch in 0..(args.channels as usize) {
|
||||
let v = (t * phase_steps[ch]).sin();
|
||||
let s = (v * 16_383.0) as i16;
|
||||
pcm[i * args.channels as usize + ch] = s;
|
||||
}
|
||||
}
|
||||
sample_idx += FRAME_SIZE_SAMPLES as u64;
|
||||
*sample_idx += FRAME_SIZE_SAMPLES as u64;
|
||||
|
||||
let n = encoder
|
||||
.encode(&pcm, &mut opus_buf)
|
||||
@@ -243,10 +338,11 @@ async fn publish(origin: &moq_lite::OriginProducer, args: &Args) -> anyhow::Resu
|
||||
let opus_packet = Bytes::copy_from_slice(&opus_buf[..n]);
|
||||
|
||||
// Wrap the Opus packet in a hang Legacy frame: VarInt
|
||||
// timestamp prefix + raw codec payload.
|
||||
// timestamp prefix + raw codec payload. timestamp continues
|
||||
// across cycles so the listener sees a monotonic stream.
|
||||
let frame = hang::container::Frame {
|
||||
timestamp: hang::container::Timestamp::from_micros(
|
||||
(frame_no as u64) * FRAME_DURATION_US,
|
||||
(*frame_no as u64) * FRAME_DURATION_US,
|
||||
)
|
||||
.context("frame timestamp out of range")?,
|
||||
payload: opus_packet.into(),
|
||||
@@ -274,8 +370,11 @@ async fn publish(origin: &moq_lite::OriginProducer, args: &Args) -> anyhow::Resu
|
||||
frames_in_group = 0;
|
||||
}
|
||||
|
||||
next_send += frame_period;
|
||||
tokio::time::sleep_until(next_send).await;
|
||||
*frame_no += 1;
|
||||
|
||||
let frame_period = Duration::from_micros(FRAME_DURATION_US);
|
||||
*next_send += frame_period;
|
||||
tokio::time::sleep_until(*next_send).await;
|
||||
}
|
||||
|
||||
if let Some(mut g) = group.take() {
|
||||
@@ -283,12 +382,6 @@ async fn publish(origin: &moq_lite::OriginProducer, args: &Args) -> anyhow::Resu
|
||||
}
|
||||
audio_track.finish().ok();
|
||||
catalog_track.finish().ok();
|
||||
|
||||
tracing::info!(
|
||||
frames = total_frames,
|
||||
groups = group_idx,
|
||||
"hang-publish done"
|
||||
);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user