H.264/AVC Decoder

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This page is a copy of the original page on the AVObjects' web site and can also be viewed here.

H.264/AVC DirectShow video decoder.


H.264/AVC Decoder is a DirectShow filter for decoding 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 (Closed Circuit TV) and Video Surveillance
  • Web players and YouTube-like video sharing sites
  • Blue-ray optical discs


  • Supports Baseline profile (BP), Main profile (MP), Extended profile (XP) and High profile (HiP).
  • Supports 4:2:0 and 4:2:2 color spaces, 8 and 10 bits per color plane.
  • Multicore/Hyper Threading support.
  • MMX/SSE/SSE2/SSE3 ASM optimization.
  • I, P and B slices.
  • AVC-Intra support.
  • AVC1 file and byte stream formats support.
  • Field or frame pictures.
  • Color space conversions (YUY2, UYVY, YVYU, Y422, NV12, YV12, I420, ARGB32, RGB32, RGB24, RGB565, RGB555, v210, r210, AB10, AR10, BR16, RB16, AB16, AR16).

Specifications and description of user interfaces can be found in the .idl file in the \Idl folder of the filter installation directory.

Supported Standards

  • ITU-T H.264
  • ISO/IEC 14496-10 – MPEG-4 Part 10, Advanced Video Coding

See Also

You Might Also Need

  • MP4 & QuickTime File Splitter - Splitter (demultiplexer) for MP4 and QuickTime video files.
  • MXF Reader - DirectShow filter for reading and demultiplexing MXF files and playlists.
  • Video Mixer - DirectShow filter for real-time mixing of video streams, pictures and texts
  • Resizer Filter - DirectShow filter to resize uncompressed video frames using several algorithms.
  • QuickSync Encoder - DirectShow filter for encoding 8-bit 4:2:0 progressive or interlaced video frames in HEVC, H264 or MPEG-2 formats.

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