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89 lines
1.6 KiB
Text
89 lines
1.6 KiB
Text
<!-- ##### SECTION Title ##### -->
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GstIDCT
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<!-- ##### SECTION Short_Description ##### -->
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Inverse cosine transform
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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The inverse cosine transform is used in MPEG video. This module
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contains various implementations of this algorithm.
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</para>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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</para>
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<!-- ##### ENUM GstIDCTMethod ##### -->
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<para>
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The different IDCT methods available
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</para>
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@GST_IDCT_DEFAULT: The fastest IEEE compliant implementation for this machine
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@GST_IDCT_INT: integer IDCT
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@GST_IDCT_FAST_INT: fastest integer
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@GST_IDCT_FLOAT: accurate float version
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@GST_IDCT_MMX: fast MMX (not IEEE compliant)
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@GST_IDCT_MMX32: accurate MMX
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<!-- ##### STRUCT GstIDCT ##### -->
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<para>
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</para>
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@convert:
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@convert_sparse:
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@need_transpose:
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<!-- ##### USER_FUNCTION GstIDCTFunction ##### -->
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<para>
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The definition of the actual implementation of the IDCT transform
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</para>
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@block: the block to transform
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<!-- ##### MACRO GST_IDCT_TRANSPOSE ##### -->
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<para>
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Query if this the transformer needs transposed input
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</para>
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@idct: the transformer
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<!-- ##### FUNCTION gst_idct_new ##### -->
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<para>
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Create a new IDCT transformer
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</para>
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@method: the desired method
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@Returns: the new transformer
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<!-- ##### MACRO gst_idct_convert ##### -->
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<para>
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Perform the conversion
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</para>
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@idct: the transformer
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@blocks: a pointer to the blocks
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<!-- ##### MACRO gst_idct_convert_sparse ##### -->
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<para>
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Perform a sparse conversion
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</para>
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@idct: the transformer
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@blocks: the blocks
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<!-- ##### FUNCTION gst_idct_destroy ##### -->
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<para>
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Destroy the transformer
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</para>
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@idct: the transformer to destroy
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