1 | // NOTE: http://stackoverflow.com/questions/40849420/media-foundation-amr-decode |
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2 | |
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3 | #include <sdkddkver.h> |
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4 | |
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5 | #include <stdio.h> |
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6 | #include <tchar.h> |
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7 | |
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8 | #define _ATL_CSTRING_EXPLICIT_CONSTRUCTORS // some CString constructors will be explicit |
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9 | |
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10 | #include <atlbase.h> |
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11 | #include <atlstr.h> |
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12 | |
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13 | #include <mfapi.h> |
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14 | #include <mfidl.h> |
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15 | #include <mfreadwrite.h> |
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16 | |
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17 | #pragma comment(lib, "mfplat.lib") |
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18 | #pragma comment(lib, "mfuuid.lib") |
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19 | #pragma comment(lib, "mfreadwrite.lib") |
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20 | |
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21 | int main() |
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22 | { |
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23 | _ATLTRY |
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24 | { |
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25 | ATLENSURE_SUCCEEDED(MFStartup(MF_VERSION)); |
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26 | CComPtr<IMFSourceReader> pReader; |
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27 | CComPtr<IMFMediaType> pAudioType; |
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28 | static const LPCTSTR g_pszPath = |
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29 | _T("D:\\Projects\\Alax.Info\\Repository-Private\\Utilities\\MediaFoundation\\ProbeMediaSource\\example.amr"); |
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30 | ATLENSURE_SUCCEEDED(MFCreateSourceReaderFromURL(g_pszPath, NULL, &pReader)); |
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31 | ATLENSURE_SUCCEEDED(pReader->SetStreamSelection(MF_SOURCE_READER_ALL_STREAMS, false)); |
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32 | ATLENSURE_SUCCEEDED(pReader->SetStreamSelection(MF_SOURCE_READER_FIRST_AUDIO_STREAM, true)); |
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33 | ATLENSURE_SUCCEEDED(pReader->GetCurrentMediaType(MF_SOURCE_READER_FIRST_AUDIO_STREAM, &pAudioType)); |
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34 | UINT32 numChannels, sampleRate; |
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35 | ATLENSURE_SUCCEEDED(pAudioType->GetUINT32(MF_MT_AUDIO_NUM_CHANNELS, &numChannels)); |
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36 | ATLENSURE_SUCCEEDED(pAudioType->GetUINT32(MF_MT_AUDIO_SAMPLES_PER_SECOND, &sampleRate)); |
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37 | _tprintf(_T("numChannels %d, sampleRate %d\n"), numChannels, sampleRate); |
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38 | // NOTE: Sample output: |
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39 | // numChannels 1, sampleRate 8000 |
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40 | } |
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41 | _ATLCATCHALL() |
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42 | { |
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43 | _tprintf(_T("Fatal Error\n")); |
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44 | } |
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45 | return 0; |
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46 | } |
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47 | |
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