fate: add fate-sws-pixdesc-query

Test the pixel format querying within libswscale.

3 files changed, 92 insertions, 0 deletions

diff --git a/libswscale/Makefile b/libswscale/Makefile
index 0272039a6c..183167cced 100644
--- a/libswscale/Makefile
+++ b/libswscale/Makefile
@@ -26,4 +26,5 @@ OBJS-$(CONFIG_SHARED)        += log2_tab.o
 SLIBOBJS-$(HAVE_GNU_WINDRES) += swscaleres.o
 
 TESTPROGS = colorspace                                                  \
+            pixdesc_query                                               \
             swscale                                                     \
diff --git a/libswscale/tests/.gitignore b/libswscale/tests/.gitignore
index 0ac3691ecd..1a26f038c4 100644
--- a/libswscale/tests/.gitignore
+++ b/libswscale/tests/.gitignore
@@ -1,2 +1,3 @@
 /colorspace
+/pixdesc_query
 /swscale
diff --git a/libswscale/tests/pixdesc_query.c b/libswscale/tests/pixdesc_query.c
new file mode 100644
index 0000000000..bc49809d4b
--- /dev/null
+++ b/libswscale/tests/pixdesc_query.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2017 Clément Bœsch <u pkh me>
+ *
+ * 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 "libswscale/swscale_internal.h"
+
+/* TODO: drop this wrapper when all the is*() becomes functions */
+#define DECLARE_WRAPPER(macro)                       \
+static int macro##_func(enum AVPixelFormat pix_fmt)  \
+{                                                    \
+    return macro(pix_fmt);                           \
+}
+
+DECLARE_WRAPPER(is16BPS)
+DECLARE_WRAPPER(isNBPS)
+DECLARE_WRAPPER(isBE)
+DECLARE_WRAPPER(isYUV)
+DECLARE_WRAPPER(isPlanarYUV)
+DECLARE_WRAPPER(isRGB)
+DECLARE_WRAPPER(isGray)
+DECLARE_WRAPPER(isRGBinInt)
+DECLARE_WRAPPER(isBGRinInt)
+DECLARE_WRAPPER(isRGBinBytes)
+DECLARE_WRAPPER(isBGRinBytes)
+DECLARE_WRAPPER(isBayer)
+DECLARE_WRAPPER(isAnyRGB)
+DECLARE_WRAPPER(isALPHA)
+DECLARE_WRAPPER(isPacked)
+DECLARE_WRAPPER(isPlanar)
+DECLARE_WRAPPER(isPackedRGB)
+DECLARE_WRAPPER(isPlanarRGB)
+DECLARE_WRAPPER(usePal)
+
+static const struct {
+    const char *class;
+    int (*cond)(enum AVPixelFormat pix_fmt);
+} query_tab[] = {
+    {"is16BPS",     is16BPS_func},
+    {"isNBPS",      isNBPS_func},
+    {"isBE",        isBE_func},
+    {"isYUV",       isYUV_func},
+    {"isPlanarYUV", isPlanarYUV_func},
+    {"isRGB",       isRGB_func},
+    {"Gray",        isGray_func},
+    {"RGBinInt",    isRGBinInt_func},
+    {"BGRinInt",    isBGRinInt_func},
+    {"RGBinBytes",  isRGBinBytes_func},
+    {"BGRinBytes",  isBGRinBytes_func},
+    {"Bayer",       isBayer_func},
+    {"AnyRGB",      isAnyRGB_func},
+    {"ALPHA",       isALPHA_func},
+    {"Packed",      isPacked_func},
+    {"Planar",      isPlanar_func},
+    {"PackedRGB",   isPackedRGB_func},
+    {"PlanarRGB",   isPlanarRGB_func},
+    {"usePal",      usePal_func},
+};
+
+int main(void)
+{
+    int i;
+
+    for (i = 0; i < FF_ARRAY_ELEMS(query_tab); i++) {
+        const AVPixFmtDescriptor *pix_desc = NULL;
+        printf("%s:\n", query_tab[i].class);
+        while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) {
+            enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(pix_desc);
+            if (query_tab[i].cond(pix_fmt))
+                printf("  %s\n", pix_desc->name);
+        }
+        printf("\n");
+    }
+    return 0;
+}