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Cedocida DV Codec, Copyright (C) 2005 Andreas Dittrich

Cedocida DV Codec


Cedocida DV Codec


Introduction:

Cedocida is an open source Video for Windows (VfW) DV-Type2-Codec.

Features:

  • supported formats for in- and output: RGB, YUY2, YV12 (DV / MPEG2-I / MPEG2-P)
  • direct YV12 input/output without color shift, interpolation or conversion when using "YV12 (DV)" option
  • optional forcing of selected input and output format
  • settings for picture quality and compression methods

Screenshot of configure dialog box:

Description of selected settings:

  • force input format
    If enabled, the encoder/decoder only accepts the selected format for input/output. This could result in an error message if the used application does not support this format.
    When disabled, the selected format is only the primary suggestion for the application that uses this codec.
  • *YV12 chroma sampling
    The YV12 format is a planar YUV color format with 4:2:0 subsampling. The position of the chroma samples differs with the compression standard using it.
    Using the first option (DV), the pixel data is directly feed to or from the the compression algorithm without color shift, interpolation or conversion.
    For (MPEG 2 non interlaced) and (MPEG 2 non interlaced) the data is preprocessed or postprocessed in order to match the given color sampling positions.
    Some remarks on "YV12 (DV)" input/output option in combination with NTSC video:
    Because NTSC DV uses 4:1:1 subsampling type, you will see weird color when viewed with a normal YV12 program which assumes 4:2:0. This is no bug. If you need YV12 format for producing DVD content, use the option "YV12 (MPEG 2 *)".

Installation:

  1. Uncompress the archiv to a temporary place.
  2. Right click on "cedocida.inf" and select install

Download:

 Binaries:
cedocida_0.2.3_bin.zip
 Sourcecode:
cedocida_0.2.3_src.zip
Old Versions:
cedocida_0.2.2_bin.zip
cedocida_0.2.0_bin.zip
cedocida_0.1.7_bin.zip
cedocida_0.1.6_bin.zip
cedocida_0.1.5_bin.zip
 
cedocida_0.2.2_src.zip
cedocida_0.2.0_src.zip
cedocida_0.1.7_src.zip
cedocida_0.1.6_src.zip
cedocida_0.1.5_src.zip

 

News:

2012-Sep-27:
- Released Cedocida 0.2.3
- added support for DVCPRO25 and DVCPRO50
- reworked VfW driver code
- fixed settings on Win7 x64

2010-May-18:
- Released Cedocida 0.2.2
- fully support of 64bit operating systems
- fixed generation loss in color due to yuv422-to-yuv411 subsampling
- fixed rgb-to-yuv colorshift
- added means for setting the "16:9" flag in encoder and GUI
- fixed other bugs

2007-Aug-07:
- Released Cedocida 0.2.0
- fixed multithreading issues
- ported to Visual Studio 2005 (Express)
- fixed bugs in inf file and added install/uninstall support for x64 systems
- fixed other minor bugs
- etc.

2007-Jan-02:
- Released Cedocida 0.1.7
- Fixed: bug in encoding/decoding right border of interlaced ntsc video
- Fixed: bug in encoding if frame activity is too high
- Fixed: bug in DIF-Header, wrong position of video-packets
- Fixed: minor bugs in GUI

2005-May-23:
- New: encoding and decoding of NTSC video
- Fixed: bug concerning U-V-color-swap of YV12 encoding/decoding

2005-May-12:
- Released Cedocida 0.1.5

 

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