From fd2f40762fb07bb50d385bac287a7ee1da36857c Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Sun, 20 Apr 2014 21:29:22 +0200
Subject: demux: export video rotation parameter

Now the rotation hint is propagated everywhere. It just isn't used
anywhere yet.
---
 demux/demux_lavf.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'demux/demux_lavf.c')

diff --git a/demux/demux_lavf.c b/demux/demux_lavf.c
index 90fde22eba..08f05c18df 100644
--- a/demux/demux_lavf.c
+++ b/demux/demux_lavf.c
@@ -478,6 +478,14 @@ static void handle_stream(demuxer_t *demuxer, int i)
                     / (float)(codec->height * codec->sample_aspect_ratio.den);
         sh_video->i_bps = codec->bit_rate / 8;
 
+        AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
+        if (rot && rot->value) {
+            char *end = NULL;
+            long int r = strtol(rot->value, &end, 10);
+            if (end && !end[0])
+                sh_video->rotate = ((r % 360) + 360) % 360;
+        }
+
         // This also applies to vfw-muxed mkv, but we can't detect these easily.
         sh_video->avi_dts = matches_avinputformat_name(priv, "avi");
 
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