avutil: add av_get_packed_sample_fmt() and av_get_planar_sample_fmt()

Based on a patch by Clément Bœsch <ubitux@gmail.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/libavutil/samplefmt.h b/libavutil/samplefmt.h
index b6715561d4..4bd5da4471 100644
--- a/libavutil/samplefmt.h
+++ b/libavutil/samplefmt.h
@@ -54,6 +54,28 @@ const char *av_get_sample_fmt_name(enum AVSampleFormat sample_fmt);
 enum AVSampleFormat av_get_sample_fmt(const char *name);
 
 /**
+ * Get the packed alternative form of the given sample format.
+ *
+ * If the passed sample_fmt is already in packed format, the format returned is
+ * the same as the input.
+ *
+ * @return  the packed alternative form of the given sample format or
+            AV_SAMPLE_FMT_NONE on error.
+ */
+enum AVSampleFormat av_get_packed_sample_fmt(enum AVSampleFormat sample_fmt);
+
+/**
+ * Get the planar alternative form of the given sample format.
+ *
+ * If the passed sample_fmt is already in planar format, the format returned is
+ * the same as the input.
+ *
+ * @return  the planar alternative form of the given sample format or
+            AV_SAMPLE_FMT_NONE on error.
+ */
+enum AVSampleFormat av_get_planar_sample_fmt(enum AVSampleFormat sample_fmt);
+
+/**
  * Generate a string corresponding to the sample format with
  * sample_fmt, or a header if sample_fmt is negative.
  *