From 9301486408a480629336af4d7fd873c0f28fb2d5 Mon Sep 17 00:00:00 2001
From: Vittorio Giovara <vittorio.giovara@gmail.com>
Date: Wed, 23 Jul 2014 09:21:28 +0100
Subject: avcodec: add stream-level stereo3d side data

---
 libavformat/dump.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

(limited to 'libavformat/dump.c')

diff --git a/libavformat/dump.c b/libavformat/dump.c
index cdf2da1ca8..58ed6547a0 100644
--- a/libavformat/dump.c
+++ b/libavformat/dump.c
@@ -27,6 +27,7 @@
 #include "libavutil/log.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/replaygain.h"
+#include "libavutil/stereo3d.h"
 
 #include "avformat.h"
 
@@ -229,6 +230,51 @@ static void dump_replaygain(void *ctx, AVPacketSideData *sd)
     print_peak(ctx, "album peak", rg->album_peak);
 }
 
+static void dump_stereo3d(void *ctx, AVPacketSideData *sd)
+{
+    AVStereo3D *stereo;
+
+    if (sd->size < sizeof(*stereo)) {
+        av_log(ctx, AV_LOG_INFO, "invalid data");
+        return;
+    }
+
+    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;
+    }
+
+    if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
+        av_log(ctx, AV_LOG_INFO, " (inverted)");
+}
+
 static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
 {
     int i;
@@ -262,6 +308,10 @@ static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
             av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
                    av_display_rotation_get((int32_t *)sd.data));
             break;
+        case AV_PKT_DATA_STEREO3D:
+            av_log(ctx, AV_LOG_INFO, "stereo3d: ");
+            dump_stereo3d(ctx, &sd);
+            break;
         default:
             av_log(ctx, AV_LOG_WARNING,
                    "unknown side data type %d (%d bytes)", sd.type, sd.size);
-- 
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