References ▼
Retrieves the audio format's channels.
#include "ltmf.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmfAudioFormat_get_Channels(pAudioFormat, pVal) |
| C++ | HRESULT get_Channels (pVal) |
Pointer to an IltmfAudioFormat Interface.
Pointer to a variable to be updated with the number of channels for the audio format.
| Value | Meaning |
|---|---|
| S_OK | The function was successful. |
| <> S_OK | An error occurred. Refer to the Error Codes or the HRESULT error codes in the MediaFoundation documentation. |
Call IltmfAudioFormat::get_SampleFrequency to get the sample frequency of the format and call IltmfAudioFormat::get_BitsPerSample to get the number of bits per sample for the audio format.
Win32, x64.
For a C++ example, refer to IltmfAudioFormats::get_Count Example for C++.
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document