H.264/AVC Decoder

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High-quality DirectShow decoder for H.264/AVC video streams.

Overview

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DirectShow decoder filter for H.264/AVC video streams.

Why H.264?

H.264/MPEG-4 Part 10 or AVC (Advanced Video Coding) is the latest motion compensation-based video compression technology available today. At only half the bandwidth of MPEG-2, H.264 provides better video quality due to a deblocking filter that helps smooth the sharp edges between macroblocks. Because of this, H.264 is especially suited for HD video.

H.264 is used in:

• HDTV broadcasting
• Digital Cinema
• CCTV (Close Circuit TV) and Video Surveillance
• Web players and YouTube-like video sharing sites
• Blue-ray optical discs

Features

• Supports Baseline profile (BP), Main profile (MP), Extended profile (XP) and High profile (HiP).
• Multicore/Hyper Threading support.
• MMX/SSE/SSE2/SSE3 ASM optimization.
• CABAC/CAVLC.
• I, P and B slices.
• AVC-Intra support.
• AVC1 file and byte stream formats support.
• Field or frame pictures.
• Color space convertions (YUY2, UYVY, YVYU, ARGB32, RGB32, RGB24, RGB565, RGB555, YV12, I420).

Technical Specs

DirectShow Interfaces

Filter Interfaces: IBaseFilter, IPersistStream, ISpecifyPropertyPages, IMLH264Decoder

Input Pin Media Types:

• majortype: MEDIATYPE_Video, MEDIATYPE_MPEG2_PES

• subtype: MEDIASUBTYPE_AVC1 {31435641-0000-0010-8000-00AA00389B71}: AVC file format according to ISO/IEC 14496-15, used in QT and other files; MEDIASUBTYPE_H264ByteStream {8D2D71CB-243F-45E3-B2D8-5FD7967EC09B}: ITU-T Rec. H.264 (03/2005), Annex.B: Byte stream format, used in MainConcept H.264 splitter and MainConcept MPEG-2 Demultiplexer for H.264 in TS

• formattype: FORMAT_MPEG2Video

• cbFormat, pbFormat: struct MPEG2VIDEOINFO should be used with seq_parameter_set_rbsp() and pic_parameter_set_rbsp() in MPEG2VIDEOINFO::dwSequenceHeader[]

Filter Interfaces:	IBaseFilter, IPersistStream, ISpecifyPropertyPages, IMLH264Decoder
Input Pin Media Types	majortype: MEDIATYPE_Video, MEDIATYPE_MPEG2_PES subtype: MEDIASUBTYPE_AVC1 {31435641-0000-0010-8000-00AA00389B71}: AVC file format according to ISO/IEC 14496-15, used in QT and other files; MEDIASUBTYPE_H264ByteStream {8D2D71CB-243F-45E3-B2D8-5FD7967EC09B}: ITU-T Rec. H.264 (03/2005), Annex.B: Byte stream format, used in MainConcept H.264 splitter and MainConcept MPEG-2 Demultiplexer for H.264 in TS formattype: FORMAT_MPEG2Video cbFormat, pbFormat: struct MPEG2VIDEOINFO should be used with seq_parameter_set_rbsp() and pic_parameter_set_rbsp() in MPEG2VIDEOINFO::dwSequenceHeader[]
Input Pin Interfaces	IMemInputPin, IPin, IQualityControl
Output Pin Media Types	majortype: MEDIATYPE_Video subtype: MEDIASUBTYPE_YUY2, MEDIASUBTYPE_UYVY, MEDIASUBTYPE_YVYU, MEDIASUBTYPE_ARGB32, MEDIASUBTYPE_RGB32, MEDIASUBTYPE_RGB24, MEDIASUBTYPE_RGB565, MEDIASUBTYPE_RGB555, MEDIASUBTYPE_YV12, MEDIASUBTYPE_I420 formattype: FORMAT_VideoInfo, FORMAT_VideoInfo2, cbFormat, pbFormat: struct VIDEOINFOHEADER or struct VIDEOINFOHEADER2 according to formattype
Output Pin Interfaces	IMediaSeeking, IPin, IQualityControl
Merit	MERIT_NORMAL
Filter Categories	CLSID_LegacyAmFilterCategory, CLSID_MediaLooksCategory

See Also

• MediaLooks BroadCast Automation Platform: Multimedia SDK
• MediaLooks Vision Mixing and Chroma Keying Platform: Vision Mixer SDK

Downloads

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Licensing

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