b314138caf
This is the big one — the Tauri Android app now has a real audio stack
capable of full-duplex VoIP, reusing the proven C++ Oboe bridge from the
legacy wzp-android crate.
Architecture:
- desktop/src-tauri/cpp/ — copies of oboe_bridge.{h,cpp}, oboe_stub.cpp,
and getauxval_fix.c from crates/wzp-android/cpp/. build.rs clones
google/oboe@1.8.1 into OUT_DIR and compiles the bridge + all Oboe
sources as "oboe_bridge" static lib, linking against shared libc++
(static would pull broken libc stubs that SIGSEGV in .so libraries).
- src/oboe_audio.rs — Rust side: an SPSC ring buffer matching the C++
bridge's AtomicI32 layout, plus OboeHandle::start() which returns
(capture_ring, playout_ring, owning_handle). The ring exposes the same
(available / read / write) methods as wzp_client::audio_ring::AudioRing
so CallEngine treats both backends interchangeably.
- src/engine.rs — compiled on every platform now. A cfg-switched type
alias picks wzp_client::audio_ring::AudioRing on desktop and
crate::oboe_audio::AudioRing on Android. The audio setup block has
three branches: VPIO/CPAL on macOS, CPAL on Linux/Windows, Oboe on
Android. Send/recv tasks are identical across platforms.
- src/lib.rs — removes all the "step 3 not done" Android stubs. The
engine module is no longer cfg-gated; connect / disconnect / toggle_mic
/ toggle_speaker / get_status are single implementations used by both
desktop and Android. Identity path resolves via app.path().app_data_dir()
from the Tauri setup() callback (already wired in step 1).
Runtime mic permission:
- scripts/build-tauri-android.sh now injects RECORD_AUDIO + MODIFY_AUDIO_
SETTINGS into gen/android/app/src/main/AndroidManifest.xml after init,
and overwrites MainActivity.kt with a version that calls
ActivityCompat.requestPermissions in onCreate. This is idempotent:
every build re-applies the patches so tauri re-init can't regress them.
Cargo.toml:
- cc is now an unconditional build-dep (build.rs runs on the host, so
target-gating build-deps doesn't work).
- wzp-client is now a dep on every platform. On Android it gets default
features only (no "audio"/"vpio") so CPAL isn't dragged in — oboe_audio
provides the capture/playout rings instead.
- tracing-android is added on Android so tracing events flow into logcat.
build.rs also gained embedded git hash (WZP_GIT_HASH) capture, which is
shown under the fingerprint on the home screen — already committed in
7639aaf, reinstated here alongside the Oboe build logic.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
28 lines
584 B
C++
28 lines
584 B
C++
// Stub implementation for non-Android host builds (testing, cargo check, etc.)
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#include "oboe_bridge.h"
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#include <stdio.h>
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int wzp_oboe_start(const WzpOboeConfig* config, const WzpOboeRings* rings) {
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(void)config;
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(void)rings;
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fprintf(stderr, "wzp_oboe_start: stub (not on Android)\n");
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return 0;
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}
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void wzp_oboe_stop(void) {
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fprintf(stderr, "wzp_oboe_stop: stub (not on Android)\n");
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}
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float wzp_oboe_capture_latency_ms(void) {
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return 0.0f;
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}
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float wzp_oboe_playout_latency_ms(void) {
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return 0.0f;
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}
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int wzp_oboe_is_running(void) {
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return 0;
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}
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