The LEAD Theora Encoder is a DirectShow encoder for compressing video data using Theora compression. Theora is an open video codec developed by the Xiph.org foundation aimed at offering a patent-free alternative to MPEG-4. The compression is comparable to MPEG-2, H.263, MPEG-4 and H.264 and, unlike these codecs, the Theora codec is free of patent fees.
For more information, you can go to http://www.xiph.org and http://theora.org.
The compression options for the LEAD Theora Encoder can be set manually through the encoder property page. They can also be set programmatically through the ILMTheoraEncoder interface.
Technical details for the filter are provided in the following table:
Filter Interface(s) |
|
Interface ID |
IID_ILMTheoraEncoder |
Input Media Types |
Type: |
Output Media Types |
Type: |
Filter CLSID |
CLSID_LMTheoraEncoder |
Property Page(s) CLSID |
CLSID_LMTheoraEncoderProperty |
Filter category |
CLSID_VideoCompressorCategory |
Executable |
LEncTheora.dll, DSKernel2.dll |
Header |
ILEncTheora.h |
Win32, x64
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