Intel ® Media Codecs for Intel® System Controller Hub

Production Version 1.8.5.19

Release Notes



5/23/2008

 

INTEL CONFIDENTIAL

DISCLAIMER: Information in this document is provided in connection with Intel products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Intel's Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express or implied warranty relating to sale and/or use of Intel products, including liability or warranties relating to fitness for a particular purpose, merchantability or infringement of any patent, copyright or other intellectual property right. Intel products are not intended for use in medical, lifesaving, or life-sustaining applications



Intel may make changes to specifications and product descriptions at any time, without notice.

Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.

* Other names and brands may be claimed as the property of others.

Copyright © Intel Corporation 2008

This document contains information on products in the design phase of development. The information herein is subject to change without notice. Do not finalize a design with this information.


 


Revision History
Date

Revision

Description

5/23/2008

Production Release

Production release of the Codecs

3/28/2008

Beta Release

Beta 2 release of the Codecs

3/4/2008

Beta Release

Beta release of the Codecs

2/8/2008

Alpha Release

Alpha release of the Codecs


Overview

Intel® Media Codecs plug-ins support the Menlow platform under Windows Vista. These plug-ins have standard Microsoft DirectShow* and/or Microsoft Media Foundation* interfaces and may be used in most programs relying on DirectShow or/and Media Foundation environments like Windows Media Player*, Graph Edit* (graphedt.exe), etc.

ODM/OEMs should separately obtain any required licenses for supported format.

Feature List

Feature

File Name

Description

MPEG-2 Transport Stream de-multiplexer (splitter) and DirectShow filter

imc_mp2_spl_ds.dll

  • Supports MPEG-2 Transport Stream (TS) format
  • Supports MPEG-2 video, MPEG-4 video, H.264 video
  • Supports LPCM, AC-3*, AAC* and MPEG-1 & -2  Layers I, II, III audio
  • Supports the repositioning inside media stream
  • Supports High Definition and Standard Definition video

MP4 de-multiplexer (splitter), DirectShow filter

imc_mp4_spl_ds.dll

  • Supports MP4 stream format
  • Supports MPEG-4 part 2 video and H.264 (MPEG-4 part 10) video
  • Supports LPCM, AAC* and MPEG-1 & -2  Layers I, II, III audio
  • Supports the repositioning inside media stream
  • Supports High Definition and Standard Definition video

MPEG-2 video decoder with DXVA2 acceleration, DirectShow filter

imc_mp2_dec_ds.dll

  • Supports MPEG-1 and MPEG-2 video
  • Supports hardware decoding of MPEG-2 video via DXVA2 interface with MPEG2_VLD entry point
  • Supports software decoding of MPEG-1 Standard Definition video
  • Supports High Definition and Standard Definition video through DXVA2 acceleration

MPEG-4 video decoder with DXVA2 acceleration, DirectShow filter

imc_mp4_dec_ds.dll

  • Supports MPEG-4 part 2 video
  • Supports hardware decoding via DXVA2 interface with MPEG4_VLD entry point
  • Supports Standard Definition video
  • Doesn’t support software decoding

H.264 video decoder with DXVA2 acceleration, DirectShow filter

imc_h264_dec_ds.dll

  • Supports H.264 video
  • Supports hardware decoding via DXVA2 interface with H264_VLD entry point
  • Supports High Definition and Standard Definition video
  • Doesn’t support software decoding

VC-1 video decoder with DXVA2 acceleration, MediaFoundation plugin

imc_vc1_dec_mf.dll

  • Supports VC-1 video from Microsoft ASF splitter
  • Supports hardware decoding via DXVA2 interface with VC1_VLD entry point
  • Doesn’t support software decoding

AC3 audio decoder, DirectShow filter

imc_ac3_dec_ds.dll

  • Supports up to 5.1 channels (output is down-mixed to 2 channels)
  • Conforms to all DVD* AC3* requirements

AAC audio decoder, DirectShow filter

imc_aac_dec_ds.dll

  • Supports up to 7.1 channels (output is down-mixed to 2 channels)
  • Supports LTP, LC, HE profiles

Install and Uninstall Instructions

The codec plug-ins for Windows Vista can be installed and uninstalled by using the setup.exe

Known Issues

 

Sighting Number

Title

13757, 13560

Graphic driver may crash (with recovery) on random streams.

11910

Artifacts are seen if Deinterlacing is enabled. 

12238

MPEG-2 and H.264 performance issue: Streams with high bit-rate may cause jerky playback on startup on some fragments.

13828, 13807

WMP may show corrupted picture on first seconds of some clips (H.264/MPEG-4)

13542, 13834,  14193

Audio playback may be jerky a few first seconds (on stream start-up),

14212, 14189

WMP sometimes may fail to open specific clips (need to reopen)

13540

WMP may freeze on reposition exactly to the end of specific streams (need to reposition again),

14108

Blinking line in the bottom of the picture on some VC-1 clips

13545

WMP slider is absent on first playback of specific clip

14226

WMP use Microsoft VC-1 decoder on second iteration in repeat mode on specific VC-1 clip