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https://github.com/obsproject/obs-studio.git
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1d5d4b29e7
Splits the WASAPINotify class out of win-wasapi.cpp and makes it a shared object in the plugin, then also creates a callback to reset audio monitoring if the default output device changes.
76 lines
1.5 KiB
C++
76 lines
1.5 KiB
C++
#include "wasapi-notify.hpp"
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#include <obs-module.h>
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#include <util/windows/win-version.h>
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OBS_DECLARE_MODULE()
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OBS_MODULE_USE_DEFAULT_LOCALE("win-wasapi", "en-US")
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MODULE_EXPORT const char *obs_module_description(void)
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{
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return "Windows WASAPI audio input/output sources";
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}
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void RegisterWASAPIInput();
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void RegisterWASAPIDeviceOutput();
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void RegisterWASAPIProcessOutput();
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WASAPINotify *notify = nullptr;
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static void default_device_changed_callback(EDataFlow flow, ERole, LPCWSTR)
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{
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const char *id;
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obs_get_audio_monitoring_device(nullptr, &id);
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if (!id || strcmp(id, "default") != 0)
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return;
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if (flow != eRender)
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return;
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auto task = [](void *) {
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obs_reset_audio_monitoring();
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};
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obs_queue_task(OBS_TASK_UI, task, nullptr, false);
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}
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bool obs_module_load(void)
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{
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/* MS says 20348, but process filtering seems to work earlier */
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struct win_version_info ver;
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get_win_ver(&ver);
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struct win_version_info minimum;
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minimum.major = 10;
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minimum.minor = 0;
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minimum.build = 19041;
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minimum.revis = 0;
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const bool process_filter_supported =
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win_version_compare(&ver, &minimum) >= 0;
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RegisterWASAPIInput();
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RegisterWASAPIDeviceOutput();
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if (process_filter_supported)
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RegisterWASAPIProcessOutput();
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notify = new WASAPINotify();
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notify->AddDefaultDeviceChangedCallback(
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obs_current_module(), default_device_changed_callback);
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return true;
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}
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void obs_module_unload(void)
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{
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if (notify) {
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delete notify;
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notify = nullptr;
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}
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}
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WASAPINotify *GetNotify()
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{
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return notify;
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}
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