mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
5.1 KiB
75 lines
5.1 KiB
/* |
|
* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at> |
|
* |
|
* This file is part of Libav. |
|
* |
|
* Libav 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. |
|
* |
|
* Libav 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 Libav; 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/pixfmt.h" |
|
#include "libavutil/opt.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 options[] = { |
|
{ "sws_flags", "scaler/cpu flags", OFFSET(flags), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, UINT_MAX, VE, "sws_flags" }, |
|
{ "fast_bilinear", "fast bilinear", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_FAST_BILINEAR }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "bilinear", "bilinear", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_BILINEAR }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "bicubic", "bicubic", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_BICUBIC }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "experimental", "experimental", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_X }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "neighbor", "nearest neighbor", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_POINT }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "area", "averaging area", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_AREA }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "bicublin", "luma bicubic, chroma bilinear", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_BICUBLIN }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "gauss", "gaussian", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_GAUSS }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "sinc", "sinc", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_SINC }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "lanczos", "lanczos", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_LANCZOS }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "spline", "natural bicubic spline", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_SPLINE }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "print_info", "print info", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_PRINT_INFO }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "accurate_rnd", "accurate rounding", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_ACCURATE_RND }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "mmx", "MMX SIMD acceleration", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_CPU_CAPS_MMX }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "mmx2", "MMX2 SIMD acceleration", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_CPU_CAPS_MMX2 }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "sse2", "SSE2 SIMD acceleration", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_CPU_CAPS_SSE2 }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "3dnow", "3DNOW SIMD acceleration", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_CPU_CAPS_3DNOW }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "altivec", "AltiVec SIMD acceleration", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_CPU_CAPS_ALTIVEC }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "bfin", "Blackfin SIMD acceleration", 0, FF_OPT_TYPE_CONST, {.dbl = SWS_CPU_CAPS_BFIN }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "full_chroma_int", "full chroma interpolation", 0 , FF_OPT_TYPE_CONST, {.dbl = SWS_FULL_CHR_H_INT }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "full_chroma_inp", "full chroma input", 0 , FF_OPT_TYPE_CONST, {.dbl = SWS_FULL_CHR_H_INP }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
{ "bitexact", "", 0 , FF_OPT_TYPE_CONST, {.dbl = SWS_BITEXACT }, INT_MIN, INT_MAX, VE, "sws_flags" }, |
|
|
|
{ "srcw", "source width" , OFFSET(srcW), FF_OPT_TYPE_INT, {.dbl = 16 }, 1, INT_MAX, VE }, |
|
{ "srch", "source height" , OFFSET(srcH), FF_OPT_TYPE_INT, {.dbl = 16 }, 1, INT_MAX, VE }, |
|
{ "dstw", "destination width" , OFFSET(dstW), FF_OPT_TYPE_INT, {.dbl = 16 }, 1, INT_MAX, VE }, |
|
{ "dsth", "destination height", OFFSET(dstH), FF_OPT_TYPE_INT, {.dbl = 16 }, 1, INT_MAX, VE }, |
|
{ "src_format", "source format" , OFFSET(srcFormat), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, PIX_FMT_NB-1, VE }, |
|
{ "dst_format", "destination format", OFFSET(dstFormat), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, PIX_FMT_NB-1, VE }, |
|
{ "src_range" , "source range" , OFFSET(srcRange) , FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, 1, VE }, |
|
{ "dst_range" , "destination range" , OFFSET(dstRange) , FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, 1, VE }, |
|
{ "param0" , "scaler param 0" , OFFSET(param[0]) , FF_OPT_TYPE_DOUBLE, {.dbl = SWS_PARAM_DEFAULT}, INT_MIN, INT_MAX, VE }, |
|
{ "param1" , "scaler param 1" , OFFSET(param[1]) , FF_OPT_TYPE_DOUBLE, {.dbl = SWS_PARAM_DEFAULT}, INT_MIN, INT_MAX, VE }, |
|
|
|
{ NULL } |
|
}; |
|
|
|
const AVClass sws_context_class = { "SWScaler", sws_context_to_name, options };
|
|
|