API changes, most recent first:
+2013-xx-xx - lavu 52.9.0 - pixdesc.h
+ Add av_pix_fmt_count_planes() function for counting planes in a pixel format.
+
2013-xx-xx - lavfi 3.6.0
Add AVFilterGraph.nb_filters, deprecate AVFilterGraph.filter_count.
return 0;
}
+
+int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
+{
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+ int i, planes[4] = { 0 }, ret = 0;
+
+ if (!desc)
+ return AVERROR(EINVAL);
+
+ for (i = 0; i < desc->nb_components; i++)
+ planes[desc->comp[i].plane] = 1;
+ for (i = 0; i < FF_ARRAY_ELEMS(planes); i++)
+ ret += planes[i];
+ return ret;
+}
int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt,
int *h_shift, int *v_shift);
+/**
+ * @return number of planes in pix_fmt, a negative AVERROR if pix_fmt is not a
+ * valid pixel format.
+ */
+int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt);
+
#endif /* AVUTIL_PIXDESC_H */
*/
#define LIBAVUTIL_VERSION_MAJOR 52
-#define LIBAVUTIL_VERSION_MINOR 8
+#define LIBAVUTIL_VERSION_MINOR 9
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \