It is recommended not to set the level in the media type, and allow the encoder to select the level. The encoder can derive the proper level for a given video stream, taking into account the format constraints and the characteristics of the video. For more information about profile and level constraints, refer to Annex A of ITU-T H.264. Video x player; Download avtech latest video player; Avtech player download; Avtech player lite; Video player 1.1; Download player lite hj avtech; Avc video player free download; Playerlitehj avtech; New video player download for pc.
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An MFC application is an executable application for Windows that is based on the Microsoft Foundation Class (MFC) Library. MFC executables generally fall into five types: standard Windows applications, dialog boxes, forms-based applications, Explorer-style applications, and Web browser-style applications. For more information, see:
The MFC Application Wizard generates the appropriate classes and files for any of these types of applications, depending on the options you select in the wizard.
The easiest way to create an MFC application is to use the MFC Application Wizard (MFC App project in Visual Studio 2019). To create an MFC console application (a command-line program that uses MFC libraries but runs in the console window), use the Windows Desktop Wizard and choose the Console Application and MFC Headers options.
To create an MFC forms or dialog-based application
For more information, see Creating a Forms-Based MFC Application.
To create an MFC console application
An MFC console application is a command-line program that uses MFC libraries but runs in the console window.
To create an MFC forms or dialog-based application
For more information, see Creating a Forms-Based MFC Application.
To create an MFC console application
An MFC console application is a command-line program that uses MFC libraries but runs in the console window.
To create an MFC forms or dialog-based application
For more information, see Creating a Forms-Based MFC Application.
To create an MFC console application
An MFC console application is a command-line program that uses MFC libraries but runs in the console window.
Once your project is created, you can view the files created in Solution Explorer. For more information about the files the wizard creates for your project, see the project-generated file ReadMe.txt. For more information about the file types, see File Types Created for Visual Studio C++ projects.
See also
Adding Functionality with Code Wizards -->
Property Pages
The Microsoft Media Foundation H.264 video encoder is a Media Foundation transform that supports the following H.264 profiles:
The H.264 video encoder exposes the following interfaces:
Input Types
The input media type must have one of the following subtypes:
For more information about these subtypes, see Video Subtype GUIDs.
The output type must be set before the input type. Until the output type is set, the encoder's IMFTransform::SetInputType method returns MF_E_TRANSFORM_TYPE_NOT_SET.
Output Types
The encoder supports a single output subtype:
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Set the following attributes on the output media type.
After the output type is set, the video encoder updates the type by adding the MF_MT_MPEG_SEQUENCE_HEADER attribute. This attribute contains the sequence header.
Codec Properties
The H.264 encoder implements the ICodecAPI interface for setting encoding parameters. It supports the following properties.
For the codec requirements for HCK encoder certification, see the Certified Hardware Encoder section below.
The following properties are supported in Windows 7.
The following properties require Windows 8.
Remarks
The encoder supports the following rate control modes.
CBR and constrained VBR modes require Windows 8.
In Windows 8, the encoder sets the following attributes on the output samples:
Note
A previous version of the documentation incorrectly stated that the encoder is supported on Windows Server 2008 R2.
Multithreading
In Windows 8, the encoder supports two encoding modes:
The encoder defaults to slice encoding, to minimize latency. To enable multi-frame encoding, set the CODECAPI_AVLowLatencyMode property to VARIANT_FALSE.
To set the number of worker threads used by the encoder, set the CODECAPI_AVEncNumWorkerThreads property.
In Windows 7, the encoder always uses slice encoding.
Certified Hardware Encoder
If a certified hardware encoder is present, it will generally be used instead of the inbox system encoder for Media Foundation related scenarios. Certified encoders are required to support a certain set of ICodecAPI properties and can optionally support another set of properties. The certification process should guarantee that the required properties are properly supported and, if an optional property is supported, that it is also properly supported.
The following is the set of required and optional ICodecAPI properties for encoders to pass the HCK encoder certification.
The following Windows 8 and Windows 8.1 ICodecAPI properties are required:
The following Windows 8.1 ICodecAPI properties are optional, but are tested in HCK if supported.
The following Windows 8 and Windows 8.1 ICodecAPI properties are optional, but are tested in HCK if supported.
The following ICodecAPI properties are optional. They are not tested in HCK.
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