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/*
* 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/pixdesc.c"
static const enum AVPixelFormat pixfmt_list[] = {
AV_PIX_FMT_MONOWHITE,
AV_PIX_FMT_GRAY8,
AV_PIX_FMT_GRAY10,
AV_PIX_FMT_GRAY16,
AV_PIX_FMT_YUV420P,
AV_PIX_FMT_YUV420P10,
AV_PIX_FMT_YUV420P16,
AV_PIX_FMT_YUV422P,
AV_PIX_FMT_YUV422P10,
AV_PIX_FMT_YUV422P16,
AV_PIX_FMT_YUV444P,
AV_PIX_FMT_YUV444P10,
AV_PIX_FMT_YUV444P16,
AV_PIX_FMT_RGB565,
AV_PIX_FMT_RGB24,
AV_PIX_FMT_RGB48,
AV_PIX_FMT_VDPAU,
AV_PIX_FMT_VAAPI,
};
static enum AVPixelFormat find_best(enum AVPixelFormat pixfmt)
{
enum AVPixelFormat best = AV_PIX_FMT_NONE;
int i;
for (i = 0; i < FF_ARRAY_ELEMS(pixfmt_list); i++)
best = av_find_best_pix_fmt_of_2(best, pixfmt_list[i],
pixfmt, 0, NULL);
return best;
}
int main(void)
{
enum AVPixelFormat output;
int i, pass = 0, fail = 0;
#define TEST(input, expected) do { \
output = find_best(input); \
if (output != expected) { \
printf("Matching %s: got %s, expected %s\n", \
av_get_pix_fmt_name(input), \
av_get_pix_fmt_name(output), \
av_get_pix_fmt_name(expected)); \
++fail; \
} else \
++pass; \
} while (0)
// Same formats.
for (i = 0; i < FF_ARRAY_ELEMS(pixfmt_list); i++)
TEST(pixfmt_list[i], pixfmt_list[i]);
// Formats containing the same data in different layouts.
TEST(AV_PIX_FMT_MONOBLACK, AV_PIX_FMT_MONOWHITE);
TEST(AV_PIX_FMT_NV12, AV_PIX_FMT_YUV420P);
TEST(AV_PIX_FMT_P010, AV_PIX_FMT_YUV420P10);
TEST(AV_PIX_FMT_P016, AV_PIX_FMT_YUV420P16);
TEST(AV_PIX_FMT_NV16, AV_PIX_FMT_YUV422P);
TEST(AV_PIX_FMT_YUYV422, AV_PIX_FMT_YUV422P);
TEST(AV_PIX_FMT_UYVY422, AV_PIX_FMT_YUV422P);
TEST(AV_PIX_FMT_BGR565, AV_PIX_FMT_RGB565);
TEST(AV_PIX_FMT_BGR24, AV_PIX_FMT_RGB24);
TEST(AV_PIX_FMT_GBRP, AV_PIX_FMT_RGB24);
TEST(AV_PIX_FMT_0RGB, AV_PIX_FMT_RGB24);
TEST(AV_PIX_FMT_GBRP16, AV_PIX_FMT_RGB48);
// Formats additionally containing alpha (here ignored).
TEST(AV_PIX_FMT_YA8, AV_PIX_FMT_GRAY8);
TEST(AV_PIX_FMT_YA16, AV_PIX_FMT_GRAY16);
TEST(AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P);
TEST(AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P);
TEST(AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P);
TEST(AV_PIX_FMT_AYUV64, AV_PIX_FMT_YUV444P16);
TEST(AV_PIX_FMT_RGBA, AV_PIX_FMT_RGB24);
TEST(AV_PIX_FMT_ABGR, AV_PIX_FMT_RGB24);
TEST(AV_PIX_FMT_GBRAP, AV_PIX_FMT_RGB24);
TEST(AV_PIX_FMT_RGBA64, AV_PIX_FMT_RGB48);
TEST(AV_PIX_FMT_BGRA64, AV_PIX_FMT_RGB48);
TEST(AV_PIX_FMT_GBRAP16, AV_PIX_FMT_RGB48);
// Formats requiring upsampling to represent exactly.
TEST(AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY16);
TEST(AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV420P);
TEST(AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV422P);
TEST(AV_PIX_FMT_UYYVYY411, AV_PIX_FMT_YUV422P);
TEST(AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P);
TEST(AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV444P10);
TEST(AV_PIX_FMT_YUV440P12, AV_PIX_FMT_YUV444P16);
TEST(AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10);
TEST(AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P16);
TEST(AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10);
TEST(AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P16);
TEST(AV_PIX_FMT_BGR4, AV_PIX_FMT_RGB565);
TEST(AV_PIX_FMT_RGB444, AV_PIX_FMT_RGB565);
TEST(AV_PIX_FMT_RGB555, AV_PIX_FMT_RGB565);
TEST(AV_PIX_FMT_GBRP10, AV_PIX_FMT_RGB48);
TEST(AV_PIX_FMT_GBRAP10, AV_PIX_FMT_RGB48);
TEST(AV_PIX_FMT_GBRAP12, AV_PIX_FMT_RGB48);
// Opaque formats are least unlike each other.
TEST(AV_PIX_FMT_DXVA2_VLD, AV_PIX_FMT_VDPAU);
printf("%d tests passed, %d tests failed.\n", pass, fail);
return !!fail;
}
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