stereo3d: Add API to get name from value or value from name

Use it in av_dump_format() instead of a huge switch case.

1 files changed, 2 insertions, 29 deletions

diff --git a/libavformat/dump.c b/libavformat/dump.c
index a66e48ca11..bef0e76b80 100644
--- a/libavformat/dump.c
+++ b/libavformat/dump.c
@@ -233,6 +233,7 @@ static void dump_replaygain(void *ctx, AVPacketSideData *sd)
 static void dump_stereo3d(void *ctx, AVPacketSideData *sd)
 {
     AVStereo3D *stereo;
+    const char *name;
 
     if (sd->size < sizeof(*stereo)) {
         av_log(ctx, AV_LOG_INFO, "invalid data");
@@ -241,35 +242,7 @@ static void dump_stereo3d(void *ctx, AVPacketSideData *sd)
 
     stereo = (AVStereo3D *)sd->data;
 
-    switch (stereo->type) {
-    case AV_STEREO3D_2D:
-        av_log(ctx, AV_LOG_INFO, "2D");
-        break;
-    case AV_STEREO3D_SIDEBYSIDE:
-        av_log(ctx, AV_LOG_INFO, "side by side");
-        break;
-    case AV_STEREO3D_TOPBOTTOM:
-        av_log(ctx, AV_LOG_INFO, "top and bottom");
-        break;
-    case AV_STEREO3D_FRAMESEQUENCE:
-        av_log(ctx, AV_LOG_INFO, "frame alternate");
-        break;
-    case AV_STEREO3D_CHECKERBOARD:
-        av_log(ctx, AV_LOG_INFO, "checkerboard");
-        break;
-    case AV_STEREO3D_LINES:
-        av_log(ctx, AV_LOG_INFO, "interleaved lines");
-        break;
-    case AV_STEREO3D_COLUMNS:
-        av_log(ctx, AV_LOG_INFO, "interleaved columns");
-        break;
-    case AV_STEREO3D_SIDEBYSIDE_QUINCUNX:
-        av_log(ctx, AV_LOG_INFO, "side by side (quincunx subsampling)");
-        break;
-    default:
-        av_log(ctx, AV_LOG_WARNING, "unknown");
-        break;
-    }
+    av_log(ctx, AV_LOG_INFO, "%s", av_stereo3d_type_name(stereo->type));
 
     if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
         av_log(ctx, AV_LOG_INFO, " (inverted)");