@@ -218,6 +218,7 @@ TESTPROGS = adler32 \
parseutils \
pixdesc \
pixelutils \
+ pixfmt_best \
random_seed \
rational \
ripemd \
new file mode 100644
@@ -0,0 +1,115 @@
+/*
+ * 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_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,
+};
+
+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_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_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_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);
+
+ // 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_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);
+
+ // 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;
+}
@@ -115,6 +115,10 @@ FATE_LIBAVUTIL-$(CONFIG_PIXELUTILS) += fate-pixelutils
fate-pixelutils: libavutil/tests/pixelutils$(EXESUF)
fate-pixelutils: CMD = run libavutil/tests/pixelutils
+FATE_LIBAVUTIL += fate-pixfmt_best
+fate-pixfmt_best: libavutil/tests/pixfmt_best$(EXESUF)
+fate-pixfmt_best: CMD = run libavutil/tests/pixfmt_best
+
FATE_LIBAVUTIL += fate-display
fate-display: libavutil/tests/display$(EXESUF)
fate-display: CMD = run libavutil/tests/display
new file mode 100644
@@ -0,0 +1 @@
+50 tests passed, 0 tests failed.