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The MPEG-2 Video Decoder is a Media Foundation transform that decodes MPEG-1 and MPEG-2 video. The decoder supports MPEG-2 Simple and Main profile video (H.262, ISO/IEC 13818-2) and MPEG-1 video (ISO/IEC 11172-2).
Input Types
The decoder supports the following input media types.
Attribute | Description |
---|---|
MF_MT_MAJOR_TYPE | MFMediaType_Video |
MF_MT_SUBTYPE | MFVideoFormat_MPEG1 MFVideoFormat_MPEG2 |
Output Types
The decoder supports the following output types.
Attribute | Description |
---|---|
MF_MT_MAJOR_TYPE | MFMediaType_Video |
MF_MT_SUBTYPE | MFVideoFormat_I420 MFVideoFormat_IYUV MFVideoFormat_NV12 MFVideoFormat_YUY2 MFVideoFormat_YV12 |
Remarks
The MPEG-2 video decoder exposes the following interfaces:
The input to the decoder must be an elementary stream. The maximum supported resolution is 1920 × 1088 pixels.
The decoder supports DirectX Video Acceleration (DXVA) using either Microsoft Direct3D 9 or Microsoft Direct3D 11.
Special Decoding Modes
- Low latency mode. This mode is appropriate for scenarios such as real-time communications. It reduces start-up latency, so the decoder produces the first output sample sooner. However, the decoder buffers fewer samples in this mode, which can potentially lead to glitches, because the decoder does not decode as many frames in advance. To enable low latency mode, set the CODECAPI_AVLowLatencyMode attribute.
- Seeking. For precise seeking, call the IMFTransform::SetOutputBounds method. When this method is called, the decoder outputs only frames that fall within the range of time stamps specified by the caller.
- Thumbnail generation mode. This mode is intended for quick generation of thumbnail images. In this mode, the decoder initially decodes only I frames. If no I frame is found within a certain number of frames, the decoder starts decoding P frames and outputs non–I frames at a fixed interval (one per N pictures) until an I frame is reached. To enable thumbnail generation mode, set the CODECAPI_AVDecVideoThumbnailGenerationMode property.
- Trick play. The decoder can decode at rates faster than real time. At higher playback rates, the decoder will switch to decoding only I frames. For reverse playback, only I frames are decoded.
Mpeg2 Codec Windows 10 Download Store
Codec Properties
Codec Windows Vista
The decoder supports the following properties through the IMFTransform::GetAttributes method.
Property | Description |
---|---|
CODECAPI_AVDecVideoThumbnailGenerationMode | Enables or disables thumbnail generation mode. |
CODECAPI_AVDecVideoAcceleration_MPEG2 | Enables or disables hardware accelerated decoding. |
CODECAPI_AVLowLatencyMode | Enables or disables low-latency mode. |
MFT_DECODER_EXPOSE_OUTPUT_TYPES_IN_NATIVE_ORDER | Specifies whether the decoder exposes output types that are suitable for transcoding before other formats. |
Of these properties, the following can also be set through the ICodecAPI interface:
Limitations
- The decoder is not supported on IA-64–based platforms.
- The decoder does not support CSS decryption or playback of encrypted DVDs.
Requirements
Minimum supported client | Windows 8 [desktop apps only] |
Minimum supported server | Windows Server 2012 [desktop apps only] |
DLL |
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See also
HEVC or High-Efficiency Video Codingis a video compression standard. This is also known as H.265 or MPEG-H Part 2. It is a successor to AVC or H.264 or MPEG-4. HEVC maintains the same quality of video while it doubles the data compression ratio. It supports 8K UHD resolution of 8192 x 4320 as well.
Microsoft removed inbuilt support for HEVC Codec
If you are a Windows 10 user before the Fall Creators Update was released, you might notice that Windows 10 always supported playback of videos that were compressed with HEVC codec. If you have just upgraded your machine to Windows 10 v1709, you are fine. But if you have clean installed Fall Creators Update, you might be facing issues playing these videos. There might be scenarios where the audio is playing and in the video section but you just see a black screen. There might be times where the application might just throw an error telling you that the video codec is not supported. This is mainly faced with apps like Netflix, Movies & TV or any other apps from the Microsoft Store.
Mpeg-2 Codec Windows 10 Download
Play HEVC coded videos on Windows 10
A Codec is a combination of Coder and Decoder or Compressor and Decompressor, and it is a software that is used to compress or decompress a digital media file, such as a song or video. To be able to play HEVC coded videos on Windows 10 now in Windows 10 v1709 and later, you would need to install the Codec manually. This is so because, with Windows 10 Fall Creators Update, Microsoft removed the inbuilt support for HEVC Codec. But thankfully, you need not have to wander around the internet looking for players or third party and less secured software to play your files.
HEVC Video Extensions from Device Manufacturer
Microsoft released a minor update to Windows 10 named KB4041994 which brings HEVC Codec support for the devices. Microsoft has also made it available in the Microsoft Store for the users for free.
Play High Efficiency Video Coding (HEVC) videos in any video app on your Windows 10 device. These extensions are designed to take advantage of hardware capabilities on some newer devices— including those with an Intel 7th Generation Core processor and newer GPU to support 4K and Ultra HD content. For devices that don’t have hardware support for HEVC videos, software support is provided, but the playback experience might vary based on the video resolution and PC performance. These extensions also let you encode HEVC content on devices that don’t have a hardware-based video encoder.
Free Mpeg 2 Codec For Windows 10 Media Player
Before beginning, please take a note that this codec will enable streaming of 4K and UHD video streams. Also, this codec only supports the compatible hardware. This includes Intel’s 7th Generation of Processors and some modern Graphics Processing Units or GPUs.
This list includes the following :
Kaby Lake, Kaby Lake Refresh and Coffee Lake, and GPUs like AMD’s RX 400, RX 500 and RX Vega 56/64, and NVIDIA’s GeForce GTX 1000 and GTX 950 and 960 series.
In case that minor update KB4041994 is not working out well for you, you can head on to this link to find and install the codec from Microsoft.
Now see how you can play OGG, Vorbis and Theora coded media files on Windows 10.
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