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Winamp WASAPI Loopback Input v0.1.1

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@JeremiahFD JeremiahFD released this 08 Aug 14:47
· 2 commits to main since this release
v0.1.1
ce64957

Winamp WASAPI Loopback Input v0.1.1

The original v0.1.0 download did not work reliably in real Winamp testing. It
could crash Winamp while starting or stopping loopback://, or leave the
visualizer black. Do not use v0.1.0. This v0.1.1 replacement corrects the
cleanup and live-input behavior and should fix those failures.

Fixed

  • Releases every WASAPI COM interface before uninitializing the capture
    thread's COM apartment. The previous cleanup order could corrupt Winamp's
    process heap inside combase.dll / ntdll.dll.
  • Adds a live fake-host integration probe that exercises ten complete
    Play/Stop cycles, verifies Winamp's visualization callback arguments,
    receives PCM data, and confirms balanced visualization initialization and
    cleanup.
  • Adds a crash-dump stack probe used to trace the original failure to the
    plug-in's COM cleanup path.
  • Expands the main README with beginner-friendly installation and usage steps,
    including exactly where to enter loopback://.
  • Adds an endpoint signal probe that identifies which active Windows playback
    device is actually carrying audio.

Verified

  • The exact release DLL was confirmed in Winamp 5.92 with live Realtek output
    driving the visualizer.
  • The release DLL passed its x86 Winamp ABI check and ten complete live
    start/stop cycles with balanced cleanup and PCM callbacks.
  • Normal PCM 8/16/24/32-bit and floating-point 32/64-bit Windows mix formats
    are supported. The native Windows device mix rate is passed to Winamp;
    automated rate handling checks cover 8 kHz through 384 kHz.

Important

Use loopback://, not linein://. The latter starts Winamp's separate legacy
Line Input plug-in and is unrelated to this project.

This remains an experimental, unsigned x86 input plug-in for 32-bit Winamp 5
on Windows 10/11. Some protected or exclusive-mode audio may not be available
to Windows loopback capture, and unstable visualization presets can still
crash Winamp independently.

Verified DLL SHA-256:

9D8B9A8F9DEE66D3001D1E39042B8B0670C47FF6D4301DEDB6B4B2DF0EABE45A

Verified ZIP SHA-256:

005F03D443409623BAEA10F8E56E940684F1C65ABBFC818198A570F9315B593E

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