From b60c17b45ccc3184a587c9a4bed0905719a6e116 Mon Sep 17 00:00:00 2001 From: mhoffman Date: Fri, 22 Jun 2007 12:45:18 +0000 Subject: adding Blackfin swscale_bfin infrastructure, and the first swscale routine uyvy to yv12 video resampler git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23604 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libswscale/swscale_bfin.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 libswscale/swscale_bfin.c (limited to 'libswscale') diff --git a/libswscale/swscale_bfin.c b/libswscale/swscale_bfin.c new file mode 100644 index 0000000000..bff8f0b386 --- /dev/null +++ b/libswscale/swscale_bfin.c @@ -0,0 +1,66 @@ +/* + * 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" +#ifdef HAVE_MALLOC_H +#include +#endif +#include +#include "rgb2rgb.h" +#include "swscale.h" +#include "swscale_internal.h" + + +extern 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) __attribute__ ((l1_text)); + +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; +} + + +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; + } +} -- cgit v1.2.3