From 5fca95c8e515a5ae542d9626ec088bdfc658450e Mon Sep 17 00:00:00 2001
From: Vittorio Giovara <vittorio.giovara@gmail.com>
Date: Mon, 11 Apr 2016 17:28:26 -0400
Subject: libx264: Forbid inverted Stereo3D mode

---
 libavcodec/libx264.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'libavcodec')

diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index 84678cb2e9..fddf1b3828 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -219,6 +219,13 @@ static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
             break;
         }
 
+        /* Inverted mode is not supported by x264 */
+        if (stereo->flags & AV_STEREO3D_FLAG_INVERT) {
+            av_log(ctx, AV_LOG_WARNING,
+                   "Ignoring unsupported inverted stereo value %d\n", fpa_type);
+            fpa_type = -1;
+        }
+
         if (fpa_type != x4->params.i_frame_packing) {
             x4->params.i_frame_packing = fpa_type;
             x264_encoder_reconfig(x4->enc, &x4->params);
-- 
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