mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-11-29 19:58:25 -05:00
99 lines
8.6 KiB
C
99 lines
8.6 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
|
||
|
|
*
|
||
|
|
* 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 "libavutil/avutil.h"
|
||
|
|
#include "libavutil/opt.h"
|
||
|
|
#include "libavutil/pixfmt.h"
|
||
|
|
#include "swscale.h"
|
||
|
|
#include "swscale_internal.h"
|
||
|
|
|
||
|
|
static const char *sws_context_to_name(void *ptr)
|
||
|
|
{
|
||
|
|
return "swscaler";
|
||
|
|
}
|
||
|
|
|
||
|
|
#define OFFSET(x) offsetof(SwsContext, x)
|
||
|
|
#define DEFAULT 0
|
||
|
|
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
|
||
|
|
|
||
|
|
static const AVOption swscale_options[] = {
|
||
|
|
{ "sws_flags", "scaler flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, { .i64 = SWS_BICUBIC }, 0, UINT_MAX, VE, "sws_flags" },
|
||
|
|
{ "fast_bilinear", "fast bilinear", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_FAST_BILINEAR }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "bilinear", "bilinear", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_BILINEAR }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "bicubic", "bicubic", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_BICUBIC }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "experimental", "experimental", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_X }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "neighbor", "nearest neighbor", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_POINT }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "area", "averaging area", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_AREA }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "bicublin", "luma bicubic, chroma bilinear", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_BICUBLIN }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "gauss", "Gaussian", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_GAUSS }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "sinc", "sinc", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_SINC }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "lanczos", "Lanczos", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_LANCZOS }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "spline", "natural bicubic spline", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_SPLINE }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "print_info", "print info", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_PRINT_INFO }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "accurate_rnd", "accurate rounding", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_ACCURATE_RND }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "full_chroma_int", "full chroma interpolation", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_FULL_CHR_H_INT }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "full_chroma_inp", "full chroma input", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_FULL_CHR_H_INP }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "bitexact", "", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_BITEXACT }, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
{ "error_diffusion", "error diffusion dither", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_ERROR_DIFFUSION}, INT_MIN, INT_MAX, VE, "sws_flags" },
|
||
|
|
|
||
|
|
{ "srcw", "source width", OFFSET(srcW), AV_OPT_TYPE_INT, { .i64 = 16 }, 1, INT_MAX, VE },
|
||
|
|
{ "srch", "source height", OFFSET(srcH), AV_OPT_TYPE_INT, { .i64 = 16 }, 1, INT_MAX, VE },
|
||
|
|
{ "dstw", "destination width", OFFSET(dstW), AV_OPT_TYPE_INT, { .i64 = 16 }, 1, INT_MAX, VE },
|
||
|
|
{ "dsth", "destination height", OFFSET(dstH), AV_OPT_TYPE_INT, { .i64 = 16 }, 1, INT_MAX, VE },
|
||
|
|
{ "src_format", "source format", OFFSET(srcFormat), AV_OPT_TYPE_PIXEL_FMT,{ .i64 = DEFAULT }, 0, INT_MAX, VE },
|
||
|
|
{ "dst_format", "destination format", OFFSET(dstFormat), AV_OPT_TYPE_PIXEL_FMT,{ .i64 = DEFAULT }, 0, INT_MAX, VE },
|
||
|
|
{ "src_range", "source is full range", OFFSET(srcRange), AV_OPT_TYPE_BOOL, { .i64 = DEFAULT }, 0, 1, VE },
|
||
|
|
{ "dst_range", "destination is full range", OFFSET(dstRange), AV_OPT_TYPE_BOOL, { .i64 = DEFAULT }, 0, 1, VE },
|
||
|
|
{ "param0", "scaler param 0", OFFSET(param[0]), AV_OPT_TYPE_DOUBLE, { .dbl = SWS_PARAM_DEFAULT }, INT_MIN, INT_MAX, VE },
|
||
|
|
{ "param1", "scaler param 1", OFFSET(param[1]), AV_OPT_TYPE_DOUBLE, { .dbl = SWS_PARAM_DEFAULT }, INT_MIN, INT_MAX, VE },
|
||
|
|
|
||
|
|
{ "src_v_chr_pos", "source vertical chroma position in luma grid/256" , OFFSET(src_v_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513 }, -513, 512, VE },
|
||
|
|
{ "src_h_chr_pos", "source horizontal chroma position in luma grid/256", OFFSET(src_h_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513 }, -513, 512, VE },
|
||
|
|
{ "dst_v_chr_pos", "destination vertical chroma position in luma grid/256" , OFFSET(dst_v_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513 }, -513, 512, VE },
|
||
|
|
{ "dst_h_chr_pos", "destination horizontal chroma position in luma grid/256", OFFSET(dst_h_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513 }, -513, 512, VE },
|
||
|
|
|
||
|
|
{ "sws_dither", "set dithering algorithm", OFFSET(dither), AV_OPT_TYPE_INT, { .i64 = SWS_DITHER_AUTO }, 0, NB_SWS_DITHER, VE, "sws_dither" },
|
||
|
|
{ "auto", "leave choice to sws", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_DITHER_AUTO }, INT_MIN, INT_MAX, VE, "sws_dither" },
|
||
|
|
{ "bayer", "bayer dither", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_DITHER_BAYER }, INT_MIN, INT_MAX, VE, "sws_dither" },
|
||
|
|
{ "ed", "error diffusion", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_DITHER_ED }, INT_MIN, INT_MAX, VE, "sws_dither" },
|
||
|
|
{ "a_dither", "arithmetic addition dither", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_DITHER_A_DITHER}, INT_MIN, INT_MAX, VE, "sws_dither" },
|
||
|
|
{ "x_dither", "arithmetic xor dither", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_DITHER_X_DITHER}, INT_MIN, INT_MAX, VE, "sws_dither" },
|
||
|
|
{ "gamma", "gamma correct scaling", OFFSET(gamma_flag),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
|
||
|
|
{ "alphablend", "mode for alpha -> non alpha", OFFSET(alphablend),AV_OPT_TYPE_INT, { .i64 = SWS_ALPHA_BLEND_NONE}, 0, SWS_ALPHA_BLEND_NB-1, VE, "alphablend" },
|
||
|
|
{ "none", "ignore alpha", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_ALPHA_BLEND_NONE}, INT_MIN, INT_MAX, VE, "alphablend" },
|
||
|
|
{ "uniform_color", "blend onto a uniform color", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_ALPHA_BLEND_UNIFORM},INT_MIN, INT_MAX, VE, "alphablend" },
|
||
|
|
{ "checkerboard", "blend onto a checkerboard", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_ALPHA_BLEND_CHECKERBOARD},INT_MIN, INT_MAX, VE, "alphablend" },
|
||
|
|
|
||
|
|
{ NULL }
|
||
|
|
};
|
||
|
|
|
||
|
|
const AVClass ff_sws_context_class = {
|
||
|
|
.class_name = "SWScaler",
|
||
|
|
.item_name = sws_context_to_name,
|
||
|
|
.option = swscale_options,
|
||
|
|
.category = AV_CLASS_CATEGORY_SWSCALER,
|
||
|
|
.version = LIBAVUTIL_VERSION_INT,
|
||
|
|
};
|
||
|
|
|
||
|
|
const AVClass *sws_get_class(void)
|
||
|
|
{
|
||
|
|
return &ff_sws_context_class;
|
||
|
|
}
|