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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)
IBasicAudio::put_Volume. The put_Volume method sets the volume (amplitude) of the audio signal. Syntax. HRESULT put_Volume( long lVolume); Parameters. lVolume [in] Specifies the volume, as a number from –10,000 to 0, inclusive. Full volume is 0, and –10,000 is silence. Multiply the desired decibel level by 100. For example, –10,000 ...
directshow - Interface for Volume intensity in FMLE ...
https://stackoverflow.com/questions/5468659/interface-for-volume-intensity-in-fmle
{IID_IVideoWindow} // WTF ?? query video window ? {IID_IBasicAudio} {2DD74950-A890-11D1-ABE8-00A0C905F375} // i think this is async stream, What am i missing ? FMLE doesnt use IAMAudioInputMixer ? Anyone know the exact interface which FMLE uses for Volume intensity ? . .I assumed it was IBasicAudio, but it doesnt seem to call any methods in there.
Solved: unresolved external symbol - Experts Exchange
https://www.experts-exchange.com/questions/20540432/unresolved-external-symbol-What-am-I-doing-wrong.html
”The time we save is the biggest benefit of E-E to our team. What could take multiple guys 2 hours or more each to find is accessed in around 15 minutes on …
Unable to RenderStream when using ... - Stack Overflow
https://stackoverflow.com/questions/14980607/unable-to-renderstream-when-using-samplegrabber-with-microsoft-dtv-dvd-audio-dec
This is totally wrong. You don't have capture sources at all, so trying to leverage Capture Graph Builder is weak in first place. You don't have a single pin in your graph which is PIN_CATEGORY_CAPTURE and so it fails.. You know all the filters you need to use, CoCreateInstance, IGraphBuilder::AddFilter and IPin::Connect are sufficient for graph building, …
Making a simple WAV player - masmforum
http://www.masmforum.com/board/index.php?topic=18122.0
IID_IBasicAudio GUID GUID_IID_IBasicAudio IID_IMediaSeeking GUID GUID_IID_IMediaSeeking CLSID_FilterGraph GUID GUID_CLSID_FilterGraph TIME_FORMAT_MEDIA_TIME GUID GUID_TIME_FORMAT_MEDIA_TIME MP3File DUS "Some.mp3",0 evcode DD 0 CODE SECTION // Be sure to initialize COM invoke CoInitialize,NULL
Ejemplos de IMediaControl::Run en C++ (Cpp ... - HotExamples
https://cpp.hotexamples.com/es/examples/-/IMediaControl/Run/cpp-imediacontrol-run-method-examples.html
C++ (Cpp) IMediaControl::Run - 28 ejemplos encontrados. Estos son los ejemplos en C++ (Cpp) del mundo real mejor valorados de IMediaControl::Run extraídos de proyectos de código abierto. Puedes valorar ejemplos para ayudarnos a mejorar la calidad de los ejemplos.
C++ (Cpp) IAMStreamConfig Examples, IAMStreamConfig C++ ...
https://cpp.hotexamples.com/examples/-/IAMStreamConfig/-/cpp-iamstreamconfig-class-examples.html
C++ (Cpp) IAMStreamConfig - 30 examples found. These are the top rated real world C++ (Cpp) examples of IAMStreamConfig extracted from open source projects. You can rate examples to help us improve the quality of examples.
simplest_directshow_example/simplest_directshow_player.cpp ...
https://github.com/leixiaohua1020/simplest_directshow_example/blob/master/simplest_directshow_player/simplest_directshow_player.cpp
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Simple C++ MP3 Player Class - CodeGuru
https://www.codeguru.com/multimedia/simple-c-mp3-player-class/
Simple C++ MP3 Player Class. By CodeGuru Staff. August 22, 2011. If you need to just play MP3 s in your application (for example, play a short MP3 during the application splash screen), Mp3 class is a no frills C++ MP3/WMA DirectShow player class, for such simple needs. The original code is from Flipcode ‘s contributor, Alan Kemp.
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