MainConcept Decoder Pack H.264/AVC for Windows® 32-bit and 64-bit platforms is a powerful set of DirectShow filters that enables playback of H.264/AVC (MPEG-4 Part 10) compliant streams in the Windows Media Player or similar media players that support DirectShow. It allows decoding of the common H.264/AVC formats, such as AVCHD, Blu-ray, Sony PSP, Apple iPod and others, including H.264/AVC HDTV in highest quality using the renowned MainConcept audio, video and demuxer filters. The MainConcept Decoder Pack H.264/AVC supports MPEG audio, as well as HDMV PCM for AVCHD and Blu-ray compliant streams.

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  • Fully compliant with ISO/IEC 14496-10 specification.
  • Baseline, Main and High Profile support.
  • 4:2:0 chroma format support
  • Optimized for the most efficient CPU usage.
  • Multicore/SMP/Hyper Threading support.
  • I, P and B slices.
  • Weighted prediction.
  • Field pictures.
  • Symmetric multiprocessing (optimized for Hyper Threading processors and multi-CPU platforms).
  • Color space converting (UYUY, YUY2, YV12, RGB32, RGB24, RGB565, RGB555).
  • Chroma upsampling.
  • Fields reordering.
  • DXVA 1.0 and 2.0 Hardware Acceleration
  • MMX, SSE, SSE2 and SS3 optimizations.

Included Components

  • H.264/AVC Professional Video Decoder Filter
  • MPEG Audio Decoder Filter
  • MPEG Demultiplexer Filter
  • MP4 Demultiplexer Filter
  • MPEG Push Demultiplexer Filter
  • Network Source Filter


  • MPEG Layer-1 (ISO/IEC 11172-3)
  • MPEG Layer-2 (ISO/IEC 13818-3)
  • PCM Audio

Stream Type

  • H.264/AVC Elementary Streams
  • Program Stream / Transport Stream
  • MP4
  • 3GP

Tech Specs

Microsoft® Windows® 7, XP, Vista, 32-bit and Windows Vista, Windows 7 64-bit
(We recommend to install always the current Service Pack for the used operating system) // Microsoft® DirectX 9.0® is required.


If you like to evaluate the decoder filters, we recommend downloading our MainConcept ShowCase software player as 32-bit and 64-bit version. This application includes all decoders we offer as MainConcept Decoder Packs as demo versions. It only adds a watermark to the video during playback and has an audio limitation of 30 seconds for some audio decoders.

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