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Media Type Attributes

The following attributes apply to media types. Some of these attributes are intended only for converting legacy media type formats into Media Foundation media types.

General Format Attributes

These attributes can be applied to all media types.

AttributeDescription
MF_MT_ALL_SAMPLES_INDEPENDENT Specifies whether each sample is independent of the other samples in the stream.
MF_MT_AM_FORMAT_TYPE Format GUID.
MF_MT_COMPRESSED Specifies whether the media data is compressed
MF_MT_FIXED_SIZE_SAMPLES Specifies whether the samples have a fixed size.
MF_MT_MAJOR_TYPE Major type GUID.
MF_MT_SAMPLE_SIZE Size of each sample, in bytes.
MF_MT_SUBTYPE Subtype GUID.
MF_MT_USER_DATA Contains user data for a media type that was converted from a legacy format structure.
MF_MT_WRAPPED_TYPE Contains a media type that has been wrapped in another media type.

 

Audio Format Attributes

These attributes can be applied to media types whose major type equals MFMediaType_Audio.

AttributeDescription
MF_MT_AAC_AUDIO_PROFILE_LEVEL_INDICATION Specifies the audio profile and level of an Advanced Audio Coding (AAC) stream.
MF_MT_AAC_PAYLOAD_TYPE Specifies the payload type for an Advanced Audio Coding (AAC) stream.
MF_MT_AUDIO_AVG_BYTES_PER_SECOND Average number of bytes per second.
MF_MT_AUDIO_BITS_PER_SAMPLE Number of bits per audio sample.
MF_MT_AUDIO_BLOCK_ALIGNMENT Block alignment, in bytes.
MF_MT_AUDIO_CHANNEL_MASK Specifies the assignment of audio channels to speaker positions.
MF_MT_AUDIO_FLOAT_SAMPLES_PER_SECOND Number of audio samples per second (floating-point value).
MF_MT_AUDIO_FOLDDOWN_MATRIX Specifies how an audio decoder should transform multichannel audio to stereo output.
MF_MT_AUDIO_NUM_CHANNELS Number of audio channels.
MF_MT_AUDIO_PREFER_WAVEFORMATEX Specifies the preferred legacy format structure to use when converting an audio media type.
MF_MT_AUDIO_SAMPLES_PER_BLOCK Number of audio samples contained in one compressed block of audio data.
MF_MT_AUDIO_SAMPLES_PER_SECOND Number of audio samples per second (integer value).
MF_MT_AUDIO_VALID_BITS_PER_SAMPLE Number of valid bits of audio data in each audio sample.
MF_MT_AUDIO_WMADRC_AVGREF Reference average volume level of a Windows Media Audio file.
MF_MT_AUDIO_WMADRC_AVGTARGET Target average volume level of a Windows Media Audio file.
MF_MT_AUDIO_WMADRC_PEAKREF Reference peak volume level of a Windows Media Audio file.
MF_MT_AUDIO_WMADRC_PEAKTARGET Target peak volume level of a Windows Media Audio file.
MF_MT_ORIGINAL_WAVE_FORMAT_TAG Contains the original WAVE format tag for an audio stream.

 

Video Format Attributes

These attributes can be applied to media types whose major type equals MFMediaType_Video.

AttributeDescription
MF_MT_AVG_BIT_ERROR_RATE Data error rate.
MF_MT_AVG_BITRATE Approximate data rate of the video stream.
MF_MT_CUSTOM_VIDEO_PRIMARIES Custom color primaries.
MF_MT_DEFAULT_STRIDE Default surface stride.
MF_MT_DRM_FLAGS Specifies whether the video requires enforcing copy protection.
MF_MT_FRAME_RATE Frame rate.
MF_MT_FRAME_RATE_RANGE_MAX The maximum frame rate supported by a video capture device.
MF_MT_FRAME_RATE_RANGE_MIN The minimum frame rate supported by a video capture device.
MF_MT_FRAME_SIZE Width and height of the video frame.
MF_MT_GEOMETRIC_APERTURE Geometric aperture.
MF_MT_INTERLACE_MODE Describes how the frames are interlaced.
MF_MT_MAX_KEYFRAME_SPACING Maximum number of frames from one key frame to the next.
MF_MT_MINIMUM_DISPLAY_APERTURE Minimum display aperture.
MF_MT_MPEG_SEQUENCE_HEADER MPEG-1 or MPEG-2 sequence header.
MF_MT_MPEG_START_TIME_CODE Group-of-pictures (GOP) start time code.
MF_MT_MPEG2_FLAGS Miscellaneous flags for MPEG-2 video.
MF_MT_MPEG2_LEVEL MPEG-2 or H.264 level.
MF_MT_MPEG2_PROFILE MPEG-2 or H.264 profile.
MF_MT_ORIGINAL_4CC Contains the original codec FOURCC for a video stream.
MF_MT_PAD_CONTROL_FLAGS Aspect ratio of the output rectangle.
MF_MT_PALETTE Palette entries.
MF_MT_PAN_SCAN_APERTURE Defines the 4×3 region of video that should be displayed in pan/scan mode.
MF_MT_PAN_SCAN_ENABLED Specifies whether pan/scan mode is enabled.
MF_MT_PIXEL_ASPECT_RATIO Pixel aspect ratio.
MF_MT_SOURCE_CONTENT_HINT Intended aspect ratio.
MF_MT_TRANSFER_FUNCTION Conversion function from RGB to R'G'B'.
MF_MT_VIDEO_3D Specifies whether a video stream contains 3D content.
MF_MT_VIDEO_CHROMA_SITING Describes how chroma was sampled for Y'Cb'Cr' video.
MF_MT_VIDEO_LIGHTING Optimal lighting conditions for viewing.
MF_MT_VIDEO_NOMINAL_RANGE Nominal range of the color information
MF_MT_VIDEO_PRIMARIES Color primaries.
MF_MT_VIDEO_ROTATION Specifies the rotation of a video frame in the counter-clockwise direction.
MF_MT_YUV_MATRIX Conversion matrix from the Y'Cb'Cr' color space to the R'G'B' color space.
MF_XVP_DISABLE_FRC Disables frame-rate conversion in the Video Processor MFT.

 

Other Format Attributes

The following attributes apply to interleaved DV video.

AttributeDescription
MF_MT_DV_AAUX_CTRL_PACK_0 Audio auxiliary (AAUX) source control pack for the first audio block.
MF_MT_DV_AAUX_CTRL_PACK_1 AAUX source control pack for the second audio block.
MF_MT_DV_AAUX_SRC_PACK_0 AAUX source pack for the first audio block.
MF_MT_DV_AAUX_SRC_PACK_1 AAUX source pack for the second audio block.
MF_MT_DV_VAUX_CTRL_PACK Video auxiliary (VAUX) source control pack.
MF_MT_DV_VAUX_SRC_PACK VAUX source pack.

 

The following attributes apply to Advanced Streaming Format (ASF) files.

AttributeDescription
MF_MT_ARBITRARY_FORMAT Additional format data for a binary stream in an ASF file.
MF_MT_ARBITRARY_HEADER Type-specific data for a binary stream in an ASF file.
MF_MT_IMAGE_LOSS_TOLERANT Specifies whether an ASF image stream is a degradable JPEG type.

 

The following attributes apply to MPEG-4 files.

AttributeDescription
MF_MT_MPEG4_CURRENT_SAMPLE_ENTRY The index of the current entry in the sample description box.
MF_MT_MPEG4_SAMPLE_DESCRIPTION The sample description box.

 

Related topics

IMFMediaType
Media Foundation Attributes
Media Types
Audio Media Types
Video Media Types

 

 

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