FFmpeg coverage

Directory:	../../../ffmpeg/
File:	src/libswscale/options.c
Date:	2024-05-03 15:42:48

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Lines:	4	4	100.0%
Functions:	2	2	100.0%
Branches:	0	0	-%

  
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      /*
    
       * 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/opt.h"
    
      #include "swscale.h"
    
      #include "swscale_internal.h"
    
      298
      static const char *sws_context_to_name(void *ptr)
    
      {
    
      298
          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, .unit = "sws_flags" },
    
          { "fast_bilinear",   "fast bilinear",                 0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_FAST_BILINEAR  }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "bilinear",        "bilinear",                      0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_BILINEAR       }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "bicubic",         "bicubic",                       0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_BICUBIC        }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "experimental",    "experimental",                  0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_X              }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "neighbor",        "nearest neighbor",              0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_POINT          }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "area",            "averaging area",                0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_AREA           }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "bicublin",        "luma bicubic, chroma bilinear", 0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_BICUBLIN       }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "gauss",           "Gaussian",                      0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_GAUSS          }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "sinc",            "sinc",                          0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_SINC           }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "lanczos",         "Lanczos",                       0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_LANCZOS        }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "spline",          "natural bicubic spline",        0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_SPLINE         }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "print_info",      "print info",                    0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_PRINT_INFO     }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "accurate_rnd",    "accurate rounding",             0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_ACCURATE_RND   }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "full_chroma_int", "full chroma interpolation",     0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_FULL_CHR_H_INT }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "full_chroma_inp", "full chroma input",             0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_FULL_CHR_H_INP }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "bitexact",        "",                              0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_BITEXACT       }, INT_MIN, INT_MAX,        VE, .unit = "sws_flags" },
    
          { "error_diffusion", "error diffusion dither",        0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_ERROR_DIFFUSION}, INT_MIN, INT_MAX,        VE, .unit = "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, .unit = "sws_dither" },
    
          { "auto",            "leave choice to sws",           0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_DITHER_AUTO    }, INT_MIN, INT_MAX,        VE, .unit = "sws_dither" },
    
          { "bayer",           "bayer dither",                  0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_DITHER_BAYER   }, INT_MIN, INT_MAX,        VE, .unit = "sws_dither" },
    
          { "ed",              "error diffusion",               0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_DITHER_ED      }, INT_MIN, INT_MAX,        VE, .unit = "sws_dither" },
    
          { "a_dither",        "arithmetic addition dither",    0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_DITHER_A_DITHER}, INT_MIN, INT_MAX,        VE, .unit = "sws_dither" },
    
          { "x_dither",        "arithmetic xor dither",         0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_DITHER_X_DITHER}, INT_MIN, INT_MAX,        VE, .unit = "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, .unit = "alphablend" },
    
          { "none",            "ignore alpha",                  0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_ALPHA_BLEND_NONE}, INT_MIN, INT_MAX,       VE, .unit = "alphablend" },
    
          { "uniform_color",   "blend onto a uniform color",    0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_ALPHA_BLEND_UNIFORM},INT_MIN, INT_MAX,     VE, .unit = "alphablend" },
    
          { "checkerboard",    "blend onto a checkerboard",     0,                 AV_OPT_TYPE_CONST,  { .i64  = SWS_ALPHA_BLEND_CHECKERBOARD},INT_MIN, INT_MAX,     VE, .unit = "alphablend" },
    
          { "threads",         "number of threads",             OFFSET(nb_threads),   AV_OPT_TYPE_INT, {.i64 = 1 }, 0, INT_MAX, VE, .unit = "threads" },
    
              { "auto",        NULL,                            0,                  AV_OPT_TYPE_CONST, {.i64 = 0 },    .flags = VE, .unit = "threads" },
    
          { NULL }
    
      };
    
      const AVClass ff_sws_context_class = {
    
          .class_name = "SWScaler",
    
          .item_name  = sws_context_to_name,
    
          .option     = swscale_options,
    
          .parent_log_context_offset = OFFSET(parent),
    
          .category   = AV_CLASS_CATEGORY_SWSCALER,
    
          .version    = LIBAVUTIL_VERSION_INT,
    
      };
    
      89948
      const AVClass *sws_get_class(void)
    
      {
    
      89948
          return &ff_sws_context_class;
    
      }

Line	Exec	Source
1		/*
2		* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
3		*
4		* This file is part of FFmpeg.
5		*
6		* FFmpeg is free software; you can redistribute it and/or
7		* modify it under the terms of the GNU Lesser General Public
8		* License as published by the Free Software Foundation; either
9		* version 2.1 of the License, or (at your option) any later version.
10		*
11		* FFmpeg is distributed in the hope that it will be useful,
12		* but WITHOUT ANY WARRANTY; without even the implied warranty of
13		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14		* Lesser General Public License for more details.
15		*
16		* You should have received a copy of the GNU Lesser General Public
17		* License along with FFmpeg; if not, write to the Free Software
18		* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19		*/
20
21		#include "libavutil/opt.h"
22		#include "swscale.h"
23		#include "swscale_internal.h"
24
25	298	static const char sws_context_to_name(void ptr)
26		{
27	298	return "swscaler";
28		}
29
30		#define OFFSET(x) offsetof(SwsContext, x)
31		#define DEFAULT 0
32		#define VE AV_OPT_FLAG_VIDEO_PARAM \| AV_OPT_FLAG_ENCODING_PARAM
33
34		static const AVOption swscale_options[] = {
35		{ "sws_flags", "scaler flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, { .i64 = SWS_BICUBIC }, 0, UINT_MAX, VE, .unit = "sws_flags" },
36		{ "fast_bilinear", "fast bilinear", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_FAST_BILINEAR }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
37		{ "bilinear", "bilinear", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_BILINEAR }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
38		{ "bicubic", "bicubic", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_BICUBIC }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
39		{ "experimental", "experimental", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_X }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
40		{ "neighbor", "nearest neighbor", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_POINT }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
41		{ "area", "averaging area", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_AREA }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
42		{ "bicublin", "luma bicubic, chroma bilinear", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_BICUBLIN }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
43		{ "gauss", "Gaussian", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_GAUSS }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
44		{ "sinc", "sinc", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_SINC }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
45		{ "lanczos", "Lanczos", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_LANCZOS }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
46		{ "spline", "natural bicubic spline", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_SPLINE }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
47		{ "print_info", "print info", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_PRINT_INFO }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
48		{ "accurate_rnd", "accurate rounding", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_ACCURATE_RND }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
49		{ "full_chroma_int", "full chroma interpolation", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_FULL_CHR_H_INT }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
50		{ "full_chroma_inp", "full chroma input", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_FULL_CHR_H_INP }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
51		{ "bitexact", "", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_BITEXACT }, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
52		{ "error_diffusion", "error diffusion dither", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_ERROR_DIFFUSION}, INT_MIN, INT_MAX, VE, .unit = "sws_flags" },
53
54		{ "srcw", "source width", OFFSET(srcW), AV_OPT_TYPE_INT, { .i64 = 16 }, 1, INT_MAX, VE },
55		{ "srch", "source height", OFFSET(srcH), AV_OPT_TYPE_INT, { .i64 = 16 }, 1, INT_MAX, VE },
56		{ "dstw", "destination width", OFFSET(dstW), AV_OPT_TYPE_INT, { .i64 = 16 }, 1, INT_MAX, VE },
57		{ "dsth", "destination height", OFFSET(dstH), AV_OPT_TYPE_INT, { .i64 = 16 }, 1, INT_MAX, VE },
58		{ "src_format", "source format", OFFSET(srcFormat), AV_OPT_TYPE_PIXEL_FMT,{ .i64 = DEFAULT }, 0, INT_MAX, VE },
59		{ "dst_format", "destination format", OFFSET(dstFormat), AV_OPT_TYPE_PIXEL_FMT,{ .i64 = DEFAULT }, 0, INT_MAX, VE },
60		{ "src_range", "source is full range", OFFSET(srcRange), AV_OPT_TYPE_BOOL, { .i64 = DEFAULT }, 0, 1, VE },
61		{ "dst_range", "destination is full range", OFFSET(dstRange), AV_OPT_TYPE_BOOL, { .i64 = DEFAULT }, 0, 1, VE },
62		{ "param0", "scaler param 0", OFFSET(param[0]), AV_OPT_TYPE_DOUBLE, { .dbl = SWS_PARAM_DEFAULT }, INT_MIN, INT_MAX, VE },
63		{ "param1", "scaler param 1", OFFSET(param[1]), AV_OPT_TYPE_DOUBLE, { .dbl = SWS_PARAM_DEFAULT }, INT_MIN, INT_MAX, VE },
64
65		{ "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 },
66		{ "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 },
67		{ "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 },
68		{ "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 },
69
70		{ "sws_dither", "set dithering algorithm", OFFSET(dither), AV_OPT_TYPE_INT, { .i64 = SWS_DITHER_AUTO }, 0, NB_SWS_DITHER, VE, .unit = "sws_dither" },
71		{ "auto", "leave choice to sws", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_DITHER_AUTO }, INT_MIN, INT_MAX, VE, .unit = "sws_dither" },
72		{ "bayer", "bayer dither", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_DITHER_BAYER }, INT_MIN, INT_MAX, VE, .unit = "sws_dither" },
73		{ "ed", "error diffusion", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_DITHER_ED }, INT_MIN, INT_MAX, VE, .unit = "sws_dither" },
74		{ "a_dither", "arithmetic addition dither", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_DITHER_A_DITHER}, INT_MIN, INT_MAX, VE, .unit = "sws_dither" },
75		{ "x_dither", "arithmetic xor dither", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_DITHER_X_DITHER}, INT_MIN, INT_MAX, VE, .unit = "sws_dither" },
76		{ "gamma", "gamma correct scaling", OFFSET(gamma_flag),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
77		{ "alphablend", "mode for alpha -> non alpha", OFFSET(alphablend),AV_OPT_TYPE_INT, { .i64 = SWS_ALPHA_BLEND_NONE}, 0, SWS_ALPHA_BLEND_NB-1, VE, .unit = "alphablend" },
78		{ "none", "ignore alpha", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_ALPHA_BLEND_NONE}, INT_MIN, INT_MAX, VE, .unit = "alphablend" },
79		{ "uniform_color", "blend onto a uniform color", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_ALPHA_BLEND_UNIFORM},INT_MIN, INT_MAX, VE, .unit = "alphablend" },
80		{ "checkerboard", "blend onto a checkerboard", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_ALPHA_BLEND_CHECKERBOARD},INT_MIN, INT_MAX, VE, .unit = "alphablend" },
81
82		{ "threads", "number of threads", OFFSET(nb_threads), AV_OPT_TYPE_INT, {.i64 = 1 }, 0, INT_MAX, VE, .unit = "threads" },
83		{ "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, .flags = VE, .unit = "threads" },
84
85		{ NULL }
86		};
87
88		const AVClass ff_sws_context_class = {
89		.class_name = "SWScaler",
90		.item_name = sws_context_to_name,
91		.option = swscale_options,
92		.parent_log_context_offset = OFFSET(parent),
93		.category = AV_CLASS_CATEGORY_SWSCALER,
94		.version = LIBAVUTIL_VERSION_INT,
95		};
96
97	89948	const AVClass *sws_get_class(void)
98		{
99	89948	return &ff_sws_context_class;
100		}
101

Function (Line)	Call count	Block coverage
sws_context_to_name (line 25)	called 298 times, returned 298 times	100.0%
sws_get_class (line 97)	called 89948 times, returned 89948 times	100.0%