Indicate our support for some of the jpeg-8d features, as well as arithmetic coding
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@888 632fc199-4ca6-4c93-a231-07263d6284db
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@@ -280,22 +280,28 @@ libjpeg v7 and v8 Features:
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Fully supported:
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Fully supported:
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-- cjpeg: Separate quality settings for luminance and chrominance
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Note that the libpjeg v7+ API was extended to accommodate this feature only
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for convenience purposes. It has always been possible to implement this
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feature with libjpeg v6b (see rdswitch.c for an example.)
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-- libjpeg: IDCT scaling extensions in decompressor
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-- libjpeg: IDCT scaling extensions in decompressor
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libjpeg-turbo supports IDCT scaling with scaling factors of 1/8, 1/4, 3/8,
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libjpeg-turbo supports IDCT scaling with scaling factors of 1/8, 1/4, 3/8,
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1/2, 5/8, 3/4, 7/8, 9/8, 5/4, 11/8, 3/2, 13/8, 7/4, 15/8, and 2/1 (only 1/4
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1/2, 5/8, 3/4, 7/8, 9/8, 5/4, 11/8, 3/2, 13/8, 7/4, 15/8, and 2/1 (only 1/4
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and 1/2 are SIMD-accelerated.)
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and 1/2 are SIMD-accelerated.)
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-- libjpeg: arithmetic coding
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-- cjpeg: Separate quality settings for luminance and chrominance
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Note that the libpjeg v7+ API was extended to accommodate this feature only
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for convenience purposes. It has always been possible to implement this
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feature with libjpeg v6b (see rdswitch.c for an example.)
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-- cjpeg: 32-bit BMP support
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-- cjpeg: 32-bit BMP support
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-- cjpeg: -rgb option
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-- jpegtran: lossless cropping
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-- jpegtran: lossless cropping
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-- jpegtran: -perfect option
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-- jpegtran: -perfect option
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-- jpegtran: forcing width/height when performing lossless crop
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-- rdjpgcom: -raw option
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-- rdjpgcom: -raw option
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-- rdjpgcom: locale awareness
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-- rdjpgcom: locale awareness
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@@ -305,7 +311,6 @@ Fully supported when using libjpeg v7/v8 emulation:
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-- libjpeg: In-memory source and destination managers
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-- libjpeg: In-memory source and destination managers
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Not supported:
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Not supported:
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-- libjpeg: DCT scaling in compressor
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-- libjpeg: DCT scaling in compressor
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