From bd38efffe89d39ca475bd14508fbfe09ad3979ce Mon Sep 17 00:00:00 2001 From: Panagiotis Issaris Date: Sat, 28 Jul 2007 18:23:35 +0000 Subject: Rename h264dsp.c to h264dspenc.c Originally committed as revision 9819 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h264dsp.c | 81 ---------------------------------------------------- 1 file changed, 81 deletions(-) delete mode 100644 libavcodec/h264dsp.c (limited to 'libavcodec/h264dsp.c') diff --git a/libavcodec/h264dsp.c b/libavcodec/h264dsp.c deleted file mode 100644 index 4f18afac4a..0000000000 --- a/libavcodec/h264dsp.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * H.264/MPEG-4 Part 10 (Base profile) encoder. - * - * DSP functions - * - * Copyright (c) 2006 Expertisecentrum Digitale Media, UHasselt - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file h264dsp.c - * H.264 encoder related DSP utils - * - */ - -#include "dsputil.h" - -extern const uint8_t ff_div6[52]; -extern const uint8_t ff_rem6[52]; - -#define H264_DCT_PART1(X) \ - a = block[0][X]+block[3][X]; \ - c = block[0][X]-block[3][X]; \ - b = block[1][X]+block[2][X]; \ - d = block[1][X]-block[2][X]; \ - pieces[0][X] = a+b; \ - pieces[2][X] = a-b; \ - pieces[1][X] = (c<<1)+d; \ - pieces[3][X] = c-(d<<1); - -#define H264_DCT_PART2(X) \ - a = pieces[X][0]+pieces[X][3]; \ - c = pieces[X][0]-pieces[X][3]; \ - b = pieces[X][1]+pieces[X][2]; \ - d = pieces[X][1]-pieces[X][2]; \ - block[0][X] = a+b; \ - block[2][X] = a-b; \ - block[1][X] = (c<<1)+d; \ - block[3][X] = c-(d<<1); - -/** - * Transform the provided matrix using the H.264 modified DCT. - * @note - * we'll always work with transposed input blocks, to avoid having to make a - * distinction between C and mmx implementations. - * - * @param block transposed input block - */ -static void h264_dct_c(DCTELEM block[4][4]) -{ - DCTELEM pieces[4][4]; - DCTELEM a, b, c, d; - - H264_DCT_PART1(0); - H264_DCT_PART1(1); - H264_DCT_PART1(2); - H264_DCT_PART1(3); - H264_DCT_PART2(0); - H264_DCT_PART2(1); - H264_DCT_PART2(2); - H264_DCT_PART2(3); -} - -void ff_h264dsp_init(DSPContext* c, AVCodecContext *avctx) -{ - c->h264_dct = h264_dct_c; -} - -- cgit v1.2.3