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IBasicAudio (control.h) - Win32 apps | Microsoft Docs

    https://docs.microsoft.com/en-us/windows/win32/api/control/nn-control-ibasicaudio

    QueryInterface(IID_IBasicAudio, m_pAudio) returns E_POINTER?

      https://social.msdn.microsoft.com/Forums/en-US/1d662109-00a9-435e-9cc6-d01b2af2acba/queryinterfaceiidibasicaudio-mpaudio-returns-epointer
      I have video and audio working perfectly however I want to control the audio levels manually to coincide with the user's audio settings. Every tutorial/forum/blog tells me to simply m_pGraphBuilder->QueryInterface(IID_IBasicAudio, (void **)m_pAudio); but the HRESULT always comes back E_POINTER and m_pAudio is still null.

    IBasicAudio::put_Volume | Microsoft Docs

      https://docs.microsoft.com/en-us/previous-versions/ms784610(v=vs.85)

      directshow - Interface for Volume intensity in FMLE ...

        https://stackoverflow.com/questions/5468659/interface-for-volume-intensity-in-fmle

        Imperial Irrigation District | Home

          https://www.iid.com/

          simplest_directshow_example/simplest_directshow_player.cpp ...

            https://github.com/leixiaohua1020/simplest_directshow_example/blob/master/simplest_directshow_player/simplest_directshow_player.cpp

            IID - Login

              https://myaccount.iid.com/portal/
              Email Address Forget Email Address. UserName. Password Forgot Password. Passwords. Remember Me Problems in Sign In.

            Independent and identically distributed random variables ...

              https://en.wikipedia.org/wiki/Independent_and_identically_distributed_random_variables

              Unable to RenderStream when using ... - Stack Overflow

                https://stackoverflow.com/questions/14980607/unable-to-renderstream-when-using-samplegrabber-with-microsoft-dtv-dvd-audio-dec

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