avutil/frame: add av_frame_side_data_name()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 14 insertions, 0 deletions

diff --git a/libavutil/frame.c b/libavutil/frame.c
index fdfbc46753..2c62922db9 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -672,3 +672,17 @@ void av_frame_remove_side_data(AVFrame *frame, enum AVFrameSideDataType type)
         }
     }
 }
+
+const char *av_frame_side_data_name(enum AVFrameSideDataType type)
+{
+    switch(type) {
+    case AV_FRAME_DATA_PANSCAN:         return "AVPanScan";
+    case AV_FRAME_DATA_A53_CC:          return "ATSC A53 Part 4 Closed Captions";
+    case AV_FRAME_DATA_STEREO3D:        return "Stereoscopic 3d metadata";
+    case AV_FRAME_DATA_MATRIXENCODING:  return "AVMatrixEncoding";
+    case AV_FRAME_DATA_DOWNMIX_INFO:    return "Metadata relevant to a downmix procedure";
+    case AV_FRAME_DATA_REPLAYGAIN:      return "AVReplayGain";
+    case AV_FRAME_DATA_DISPLAYMATRIX:   return "3x3 displaymatrix";
+    }
+    return NULL;
+}