From: DRC Date: Tue, 1 Jan 2013 11:39:04 +0000 (+0000) Subject: Indicate our support for some of the jpeg-8d features, as well as arithmetic coding X-Git-Tag: 1.2.90~30 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ac51438b6606ef5dc21bd5ccfc8028efed964c03;p=libjpeg-turbo 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 --- diff --git a/README-turbo.txt b/README-turbo.txt index f452618..4f02e0a 100755 --- a/README-turbo.txt +++ b/README-turbo.txt @@ -280,22 +280,28 @@ libjpeg v7 and v8 Features: Fully supported: --- cjpeg: Separate quality settings for luminance and chrominance - Note that the libpjeg v7+ API was extended to accommodate this feature only - for convenience purposes. It has always been possible to implement this - feature with libjpeg v6b (see rdswitch.c for an example.) - -- libjpeg: IDCT scaling extensions in decompressor libjpeg-turbo supports IDCT scaling with scaling factors of 1/8, 1/4, 3/8, 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 and 1/2 are SIMD-accelerated.) +-- libjpeg: arithmetic coding + +-- cjpeg: Separate quality settings for luminance and chrominance + Note that the libpjeg v7+ API was extended to accommodate this feature only + for convenience purposes. It has always been possible to implement this + feature with libjpeg v6b (see rdswitch.c for an example.) + -- cjpeg: 32-bit BMP support +-- cjpeg: -rgb option + -- jpegtran: lossless cropping -- jpegtran: -perfect option +-- jpegtran: forcing width/height when performing lossless crop + -- rdjpgcom: -raw option -- rdjpgcom: locale awareness @@ -305,7 +311,6 @@ Fully supported when using libjpeg v7/v8 emulation: -- libjpeg: In-memory source and destination managers - Not supported: -- libjpeg: DCT scaling in compressor