From 597282efa79ecd28036e44176cea7187c8b09f05 Mon Sep 17 00:00:00 2001 From: Nedeljko Babic Date: Tue, 26 Jun 2012 13:13:21 +0200 Subject: [PATCH] doc: add documentation regarding MIPS optimizations Add doc/mips.txt document with short explanation regarding targeted platform for MIPS optimizations and regarding MIPS copyright notice. Signed-off-by: Nedeljko Babic Signed-off-by: Stefano Sabatini --- doc/mips.txt | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 doc/mips.txt diff --git a/doc/mips.txt b/doc/mips.txt new file mode 100644 index 0000000000..29bdf70b78 --- /dev/null +++ b/doc/mips.txt @@ -0,0 +1,60 @@ +MIPS optimizations info +=============================================== + +MIPS optimizations of codecs are targeting MIPS 74k family of +CPUs. Some of these optimizations are relying more on properties of +this architecture and some are relying less (and can be used on most +MIPS architectures without degradation in performance). + +Along with FFMPEG copyright notice, there is MIPS copyright notice in +all the files that are created by people from MIPS Technologies. + +Example of copyright notice: +=============================================== +/* + * Copyright (c) 2012 + * MIPS Technologies, Inc., California. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Author: Author Name (author_name@@mips.com) + */ + +Files that have MIPS copyright notice in them: +=============================================== +* libavutil/mips/ + libm_mips.h +* libavcodec/mips/ + acelp_filters_mips.c + acelp_vectors_mips.c + amrwbdec_mips.c + amrwbdec_mips.h + celp_filters_mips.c + celp_math_mips.c + lsp_mips.h + dsputil_mips.c + fft_mips.c + fft_table.h + fmtconvert_mips.c -- 2.11.0