Interfaces
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The following interfaces support the Windows Media Audio and Video codecs.
| Interface | Description |
| IWMCodecLeakyBucket | Controls the size of the content buffer for the encoder. |
| IWMCodecOutputTimestamp | Retrieves the time stamp for the next video frame to be decoded. |
| IWMCodecPrivateData | Retrieves private codec data needed by the video decoder. |
| IWMCodecProps | Retrieves format-specific codec properties. |
| IWMCodecStrings | Retrieves names and descriptive strings for codecs and formats. |
| IWMSampleExtensionSupport | Configures codec support for sample extensions. |
| IWMVideoDecoderHurryup | Controls the speed of the video decoder. |
| IWMVideoDecoderReconBuffer | Manages reconstructed video frames. This interface is obsolete and should not be used. |
| IWMVideoForceKeyFrame | Forces the encoder to encode the current frame as a key frame. |
The following interfaces support the Windows Media Audio and Video DSPs.
| Interface | Description |
| IWMColorConvProps | Sets properties on the color converter DSP. |
| IWMResamplerProps | Sets properties on the audio resampler DSP. |
| IWMResizerProps | Sets properties on the video resizer DSP. |
| IWMSampleExtensionSupport | Configures codec support for sample extensions. |
See Also