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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <assert.h>
#include "libmpcodecs/sws_utils.h"
#include "libmpcodecs/mp_image.h"
#include "libmpcodecs/img_format.h"
#include "fmt-conversion.h"
#include "libvo/csputils.h"
#include "mp_msg.h"
//global sws_flags from the command line
int sws_flags = 2;
float sws_lum_gblur = 0.0;
float sws_chr_gblur = 0.0;
int sws_chr_vshift = 0;
int sws_chr_hshift = 0;
float sws_chr_sharpen = 0.0;
float sws_lum_sharpen = 0.0;
//global srcFilter
static SwsFilter *src_filter = NULL;
void sws_getFlagsAndFilterFromCmdLine(int *flags, SwsFilter **srcFilterParam,
SwsFilter **dstFilterParam)
{
static int firstTime = 1;
*flags = 0;
if (firstTime) {
firstTime = 0;
*flags = SWS_PRINT_INFO;
} else if (mp_msg_test(MSGT_VFILTER, MSGL_DBG2))
*flags = SWS_PRINT_INFO;
if (src_filter)
sws_freeFilter(src_filter);
src_filter = sws_getDefaultFilter(
sws_lum_gblur, sws_chr_gblur,
sws_lum_sharpen, sws_chr_sharpen,
sws_chr_hshift, sws_chr_vshift, verbose > 1);
switch (sws_flags) {
case 0: *flags |= SWS_FAST_BILINEAR;
break;
case 1: *flags |= SWS_BILINEAR;
break;
case 2: *flags |= SWS_BICUBIC;
break;
case 3: *flags |= SWS_X;
break;
case 4: *flags |= SWS_POINT;
break;
case 5: *flags |= SWS_AREA;
break;
case 6: *flags |= SWS_BICUBLIN;
break;
case 7: *flags |= SWS_GAUSS;
break;
case 8: *flags |= SWS_SINC;
break;
case 9: *flags |= SWS_LANCZOS;
break;
case 10: *flags |= SWS_SPLINE;
break;
default: *flags |= SWS_BILINEAR;
break;
}
*srcFilterParam = src_filter;
*dstFilterParam = NULL;
}
// will use sws_flags & src_filter (from cmd line)
static struct SwsContext *sws_getContextFromCmdLine2(int srcW, int srcH,
int srcFormat, int dstW,
int dstH, int dstFormat,
int extraflags)
{
int flags;
SwsFilter *dstFilterParam, *srcFilterParam;
enum PixelFormat dfmt, sfmt;
dfmt = imgfmt2pixfmt(dstFormat);
sfmt = imgfmt2pixfmt(srcFormat);
if (srcFormat == IMGFMT_RGB8 || srcFormat == IMGFMT_BGR8)
sfmt = PIX_FMT_PAL8;
sws_getFlagsAndFilterFromCmdLine(&flags, &srcFilterParam, &dstFilterParam);
return sws_getContext(srcW, srcH, sfmt, dstW, dstH, dfmt, flags |
extraflags, srcFilterParam, dstFilterParam,
NULL);
}
struct SwsContext *sws_getContextFromCmdLine(int srcW, int srcH, int srcFormat,
int dstW, int dstH,
int dstFormat)
{
return sws_getContextFromCmdLine2(srcW, srcH, srcFormat, dstW, dstH,
dstFormat,
0);
}
struct SwsContext *sws_getContextFromCmdLine_hq(int srcW, int srcH,
int srcFormat, int dstW,
int dstH,
int dstFormat)
{
return sws_getContextFromCmdLine2(
srcW, srcH, srcFormat, dstW, dstH, dstFormat,
SWS_FULL_CHR_H_INT | SWS_FULL_CHR_H_INP |
SWS_ACCURATE_RND | SWS_BITEXACT);
}
// vim: ts=4 sw=4 et tw=80
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