@@ -22,6 +22,7 @@

 #include <stdio.h>

 #include <string.h>

+#include "avassert.h"

 #include "common.h"

 #include "pixfmt.h"

 #include "pixdesc.h"

@@ -1828,3 +1829,27 @@ int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)

         ret += planes[i];

     return ret;

 }

+

+void ff_check_pixfmt_descriptors(void){

+    int i, j;

+

+    for (i=0; i<FF_ARRAY_ELEMS(av_pix_fmt_descriptors); i++) {

+        const AVPixFmtDescriptor *d = &av_pix_fmt_descriptors[i];

+

+        if (!d->name && !d->nb_components && !d->log2_chroma_w && !d->log2_chroma_h && !d->flags)

+            continue;

+//         av_log(NULL, AV_LOG_DEBUG, "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_assert0(d->name && d->name[0]);

+        av_assert0((d->nb_components==4 || d->nb_components==2) == !!(d->flags & PIX_FMT_ALPHA));

+        av_assert2(av_get_pix_fmt(d->name) == i);

+

+        for (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_minus1 && !c->offset_plus1 && !c->shift && !c->depth_minus1);

+        }

+    }

+}

@@ -239,5 +239,6 @@ int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt,

  */

 int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt);

+void ff_check_pixfmt_descriptors(void);

 #endif /* AVUTIL_PIXDESC_H */

@@ -20,6 +20,7 @@

 #include "avutil.h"

 #include "avassert.h"

 #include "samplefmt.h"

+#include "pixdesc.h"

 /**

  * @file

@@ -40,6 +41,8 @@ unsigned avutil_version(void)

         abort();

     }

+    ff_check_pixfmt_descriptors();

+

     return LIBAVUTIL_VERSION_INT;

 }