From d5e9bc06360666651fabb3f75e37bae8cbf49028 Mon Sep 17 00:00:00 2001 From: Ramiro Polla Date: Fri, 27 Mar 2009 22:56:56 +0000 Subject: Move bfin specific code to its subdir. Originally committed as revision 29079 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale --- libswscale/bfin/swscale_bfin.c | 93 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 libswscale/bfin/swscale_bfin.c (limited to 'libswscale/bfin/swscale_bfin.c') diff --git a/libswscale/bfin/swscale_bfin.c b/libswscale/bfin/swscale_bfin.c new file mode 100644 index 0000000000..2ad81d847d --- /dev/null +++ b/libswscale/bfin/swscale_bfin.c @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2007 Marc Hoffman + * + * Blackfin software video scaler operations + * + * This file is part of FFmpeg. + * + * 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 + */ + +#include +#include +#include +#include +#include +#include "config.h" +#include +#include "libswscale/rgb2rgb.h" +#include "libswscale/swscale.h" +#include "libswscale/swscale_internal.h" + +#ifdef __FDPIC__ +#define L1CODE __attribute__ ((l1_text)) +#else +#define L1CODE +#endif + +int ff_bfin_uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, + long width, long height, + long lumStride, long chromStride, long srcStride) L1CODE; + +int ff_bfin_yuyvtoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, + long width, long height, + long lumStride, long chromStride, long srcStride) L1CODE; + +static int uyvytoyv12_unscaled(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]) +{ + uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY; + uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2; + uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2; + uint8_t *ip = src[0] + srcStride[0]*srcSliceY; + int w = dstStride[0]; + + ff_bfin_uyvytoyv12(ip, dsty, dstu, dstv, w, srcSliceH, + dstStride[0], dstStride[1], srcStride[0]); + + return srcSliceH; +} + +static int yuyvtoyv12_unscaled(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]) +{ + uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY; + uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2; + uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2; + uint8_t *ip = src[0] + srcStride[0]*srcSliceY; + int w = dstStride[0]; + + ff_bfin_yuyvtoyv12(ip, dsty, dstu, dstv, w, srcSliceH, + dstStride[0], dstStride[1], srcStride[0]); + + return srcSliceH; +} + + +void ff_bfin_get_unscaled_swscale(SwsContext *c) +{ + SwsFunc swScale = c->swScale; + if (c->flags & SWS_CPU_CAPS_BFIN) + if (c->dstFormat == PIX_FMT_YUV420P) + if (c->srcFormat == PIX_FMT_UYVY422) { + av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized uyvytoyv12_unscaled\n"); + c->swScale = uyvytoyv12_unscaled; + } + if (c->dstFormat == PIX_FMT_YUV420P) + if (c->srcFormat == PIX_FMT_YUYV422) { + av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized yuyvtoyv12_unscaled\n"); + c->swScale = yuyvtoyv12_unscaled; + } +} -- cgit v1.2.3