avutil/pixdesc: Move ff_check_pixfmt_descriptors() to its only user

Namely to lavu/tests/pixelutils.c. This way, this function will
not be included into actual binaries any more.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 52 insertions, 1 deletions

diff --git a/libavutil/tests/pixelutils.c b/libavutil/tests/pixelutils.c
index 927c8d9217..41663d3eda 100644
--- a/libavutil/tests/pixelutils.c
+++ b/libavutil/tests/pixelutils.c
@@ -18,15 +18,66 @@
 
 #include <stdio.h>
 
+#include "libavutil/avassert.h"
 #include "libavutil/internal.h"
+#include "libavutil/log.h"
 #include "libavutil/mem.h"
+#include "libavutil/pixdesc.h"
 #include "libavutil/pixelutils.c"
+#include "libavutil/pixfmt.h"
 
 #define W1 320
 #define H1 240
 #define W2 640
 #define H2 480
 
+static void check_pixfmt_descriptors(void)
+{
+    const AVPixFmtDescriptor *d, *last = NULL;
+    int i;
+
+    for (i = AV_PIX_FMT_NONE, d = NULL; i++, d = av_pix_fmt_desc_next(d);) {
+        uint8_t fill[4][8 + 6 + 3] = {{ 0 }};
+        uint8_t *data[4] = { fill[0], fill[1], fill[2], fill[3] };
+        int linesize[4] = { 0, 0, 0, 0 };
+        uint16_t tmp[2];
+
+        av_assert0(d->name && d->name[0]);
+        av_log(NULL, AV_LOG_INFO, "Checking: %s\n", d->name);
+        av_assert0(d->log2_chroma_w <= 3);
+        av_assert0(d->log2_chroma_h <= 3);
+        av_assert0(d->nb_components <= 4);
+        av_assert2(av_get_pix_fmt(d->name) == av_pix_fmt_desc_get_id(d));
+
+        /* The following two checks as well as the one after the loop
+         * would need to be changed if we changed the way the descriptors
+         * are stored. */
+        av_assert0(i == av_pix_fmt_desc_get_id(d));
+        av_assert0(!last || last + 1 == d);
+
+        for (int j = 0; j < FF_ARRAY_ELEMS(d->comp); j++) {
+            const AVComponentDescriptor *c = &d->comp[j];
+            if (j >= d->nb_components) {
+                av_assert0(!c->plane && !c->step && !c->offset && !c->shift && !c->depth);
+                continue;
+            }
+            if (d->flags & AV_PIX_FMT_FLAG_BITSTREAM) {
+                av_assert0(c->step >= c->depth);
+            } else {
+                av_assert0(8*c->step >= c->depth);
+            }
+            if (d->flags & AV_PIX_FMT_FLAG_BAYER)
+                continue;
+            av_read_image_line(tmp, (void*)data, linesize, d, 0, 0, j, 2, 0);
+            av_assert0(tmp[0] == 0 && tmp[1] == 0);
+            tmp[0] = tmp[1] = (1ULL << c->depth) - 1;
+            av_write_image_line(tmp, data, linesize, d, 0, 0, j, 2);
+        }
+        last = d;
+    }
+    av_assert0(i == AV_PIX_FMT_NB);
+}
+
 static int run_single_test(const char *test,
                            const uint8_t *block1, ptrdiff_t stride1,
                            const uint8_t *block2, ptrdiff_t stride2,
@@ -87,7 +138,7 @@ int main(void)
         goto end;
     }
 
-    ff_check_pixfmt_descriptors();
+    check_pixfmt_descriptors();
 
 #define RANDOM_INIT(buf, size) do {             \
     int k;                                      \