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Bump to v1.3.0: harden updater helper for Dropbox-installed copies

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v1.2's self-updater silently failed when the install folder lived
inside a Dropbox sync path. Dropbox held write locks on the existing
RemSound.exe / DLLs during the brief window between the parent exiting
and the helper script copying the new files in. The helper's robocopy
(/R:5 /W:1) gave up after 5 seconds, and the helper then
unconditionally relaunched the OLD binary — so the user saw the same
version they started with after pressing "Yes" on the install prompt,
with no visible error.

Helper script (BuildInstallScript) changes:

* Robocopy retries bumped to /R:60 /W:1 — up to 60 seconds per file.
  Dropbox lock release happens reliably within that window in
  practice.

* Robocopy exit code is captured and checked. Codes >= 8 are real
  failures. On a failure the helper writes update-failed.txt to the
  install folder with the cause + recovery steps, leaves the staging
  folder intact, and does NOT relaunch the old binary. Earlier
  versions silently relaunched the unmodified old binary, hiding the
  failure.

* Helper appends a step-by-step trace to _update-helper.log (in the
  install folder), with robocopy's own output included via /LOG+:.

* update-failed.txt, _update-helper.log, and _apply-update.cmd are
  added to the /XF exclusion list so the helper's own state files
  don't get copied to themselves on a repeat update run.

DownloadAndStageInstallAsync also clears any stale update-failed.txt
at the start of every new attempt, so a successful run leaves the
install folder clean.

readme.html "If install fails" section expanded with the new
update-failed.txt marker file behaviour and the _update-helper.log
location.

Wire format, audio pipeline, and recording feature unchanged from
v1.2 — this is updater-machinery-only.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Ednunp
2026-05-15 13:07:36 +01:00
co-authored by Claude Opus 4.7
parent c59e413c1f
commit 9a5c46eecf
5 changed files with 111 additions and 33 deletions
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RELEASE_NOTES.md
+10 -22
View File
@@ -1,33 +1,21 @@
# RemSound v1.2
# RemSound v1.3
Recording, sound cues, and receiver-side drift compensation. The wire format and audio pipeline are unchanged from v1.1, so v1.1 and v1.2 peers interoperate.
Updater hardening for Dropbox-installed copies. The wire format, audio pipeline, and recording feature are unchanged from v1.2.
## Highlights
## What's fixed
- **Recording to disk.** Dedicated Record menu (Alt+O) with Start/Stop on Ctrl+R, settings dialog, per-profile source / format / bit-depth / channel-mode / folder. Pick **received only**, **sent only**, or **both** as the recording source. Files are crash-resilient — a process crash mid-recording leaves a playable file containing everything up to the last header refresh (~5 seconds).
- **Four output formats, all functional.** WAV (16/24-bit PCM or 32-bit float), MP3 (LAME, 128–320 kbps CBR), **OGG-Opus** (96–256 kbps VBR, reuses the Concentus encoder from the wire path), **FLAC** (pure-managed CUETools FLAKE, lossless ~50% the size of WAV). All four record at 48 kHz; labels make the rate explicit.
- **Recording start / stop sound cues.** Short audible confirmation when recording transitions on or off. Played via the default Windows output device, separate from the recording pipeline, so a normal recording does not include the cue.
- **Per-cue sound preferences.** The single "Mute connect/disconnect sounds" checkbox in Preferences is replaced by a per-cue CheckedListBox: Connect / Disconnect / Recording start / Recording stop. Old profiles with the legacy mute on are honoured automatically on first load.
- **Receiver-side drift compensation upgraded.** Continuous `WdlResampler` running at a slowly-updated rate ratio replaces v1.1's discrete single-frame splice corrector. Smooths long-session sender-vs-receiver clock drift without the occasional 21 µs splice.
The v1.2 self-updater silently failed on installs inside Dropbox-synced folders. The cause: Dropbox held write locks on the existing `RemSound.exe` / DLLs during the brief window between the parent process exiting and the helper script copying the new files in. Robocopy gave up after 5 seconds, and the helper unconditionally relaunched the old binary regardless — so users saw the same version they started with after pressing **Yes** on the install prompt.
## UI changes
## What's new
- **Record menu moved to Alt+O.** The old `Alt+R` chord collided with the **Receive audio (Alt+R)** checkbox on the main form. Inside the menu the item mnemonics are unchanged (S / T / O / C).
- **Auto-tune interval label is mode-aware.** In BothIndependent mode the interval combo's label reads "Auto-tune interval — WASAPI and ASIO" so it's clear the same combo drives both lanes' tick cadence — each lane still independently tunes to its own latency target.
## Diagnostics (only active with Enable logs ticked)
- Per-stage discontinuity probes: sender raw-capture, sender pre-encode (per-lane in BothIndependent), receiver post-decode, post-ring-buffer, post-resampler. Lets log inspection localise where in the chain an audio click was introduced.
- Wire-level sequence tracking on each PCM stream: in-order / missed / reordered / duplicated packet counts in the diag log.
- Clipped-sample delta in the diag log.
## Bug fixes
- Auto-tune interval combo no longer greys out when only the ASIO lane's auto-tune is ticked in BothIndependent mode. Previously the combo's enabled state followed only the WASAPI checkbox.
- **Robocopy retries bumped to 60 seconds per file** (was 5). Dropbox lock release happens reliably within that window in practice.
- **Helper checks robocopy's exit code.** On a true failure (exit code 8+), the helper writes `update-failed.txt` next to `RemSound.exe` with the cause and recovery steps, and does **not** relaunch the old binary. Earlier versions silently relaunched the unmodified old binary, hiding the failure.
- **Helper writes a step-by-step log** to `_update-helper.log` in the install folder. If a future update goes wrong this is the trace.
- **Stale failure markers are cleared** at the start of every new update attempt, so a successful run leaves the install folder clean.
## Install
1. Download `RemSound-v1.2.zip` from this release.
1. Download `RemSound-v1.3.zip` from this release.
2. Extract somewhere with write permission (e.g. `C:\RemSound\`, `Documents\RemSound\`, etc.). Avoid `Program Files` unless you grant write permission so the self-updater can replace files in place.
3. Run `RemSound.exe`. Allow on private networks when Windows Firewall prompts.
4. Press F1 (or use the Help menu) for the user manual.