annotate ffmpeg/libavcodec/videodsp.c @ 13:844d341cf643 tip

Back up before ISMIR
author Yading Song <yading.song@eecs.qmul.ac.uk>
date Thu, 31 Oct 2013 13:17:06 +0000
parents 6840f77b83aa
children
rev   line source
yading@10 1 /*
yading@10 2 * Copyright (C) 2012 Ronald S. Bultje
yading@10 3 *
yading@10 4 * This file is part of FFmpeg.
yading@10 5 *
yading@10 6 * FFmpeg is free software; you can redistribute it and/or
yading@10 7 * modify it under the terms of the GNU Lesser General Public
yading@10 8 * License as published by the Free Software Foundation; either
yading@10 9 * version 2.1 of the License, or (at your option) any later version.
yading@10 10 *
yading@10 11 * FFmpeg is distributed in the hope that it will be useful,
yading@10 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
yading@10 14 * Lesser General Public License for more details.
yading@10 15 *
yading@10 16 * You should have received a copy of the GNU Lesser General Public
yading@10 17 * License along with FFmpeg; if not, write to the Free Software
yading@10 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10 19 */
yading@10 20
yading@10 21 #include "libavutil/avassert.h"
yading@10 22 #include "libavutil/common.h"
yading@10 23 #include "videodsp.h"
yading@10 24
yading@10 25 #define BIT_DEPTH 8
yading@10 26 #include "videodsp_template.c"
yading@10 27 #undef BIT_DEPTH
yading@10 28
yading@10 29 #define BIT_DEPTH 16
yading@10 30 #include "videodsp_template.c"
yading@10 31 #undef BIT_DEPTH
yading@10 32
yading@10 33 static void just_return(uint8_t *buf, ptrdiff_t stride, int h)
yading@10 34 {
yading@10 35 }
yading@10 36
yading@10 37 void ff_videodsp_init(VideoDSPContext *ctx, int bpc)
yading@10 38 {
yading@10 39 ctx->prefetch = just_return;
yading@10 40 if (bpc <= 8) {
yading@10 41 ctx->emulated_edge_mc = ff_emulated_edge_mc_8;
yading@10 42 } else {
yading@10 43 ctx->emulated_edge_mc = ff_emulated_edge_mc_16;
yading@10 44 }
yading@10 45
yading@10 46 if (ARCH_ARM)
yading@10 47 ff_videodsp_init_arm(ctx, bpc);
yading@10 48 if (ARCH_PPC)
yading@10 49 ff_videodsp_init_ppc(ctx, bpc);
yading@10 50 if (ARCH_X86)
yading@10 51 ff_videodsp_init_x86(ctx, bpc);
yading@10 52 }