Merge commit '18e3d61e9e3b52c177aa7a1f2a054a8a753e1b09'

* commit '18e3d61e9e3b52c177aa7a1f2a054a8a753e1b09':
  h264: parse display orientation SEI message

Conflicts:
	libavcodec/h264.c

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

1 files changed, 15 insertions, 0 deletions

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 7718b5118f..1d919872fe 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -28,6 +28,7 @@
 #define UNCHECKED_BITSTREAM_READER 1
 
 #include "libavutil/avassert.h"
+#include "libavutil/display.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/opt.h"
 #include "libavutil/stereo3d.h"
@@ -866,6 +867,20 @@ static void decode_postinit(H264Context *h, int setup_finished)
             stereo->flags = AV_STEREO3D_FLAG_INVERT;
     }
 
+    if (h->sei_display_orientation_present &&
+        (h->sei_anticlockwise_rotation || h->sei_hflip || h->sei_vflip)) {
+        double angle = h->sei_anticlockwise_rotation * 360 / (double) (1 << 16);
+        AVFrameSideData *rotation = av_frame_new_side_data(&cur->f,
+                                                           AV_FRAME_DATA_DISPLAYMATRIX,
+                                                           sizeof(int32_t) * 9);
+        if (!rotation)
+            return;
+
+        av_display_rotation_set((int32_t *)rotation->data, angle);
+        av_display_matrix_flip((int32_t *)rotation->data,
+                               h->sei_vflip, h->sei_hflip);
+    }
+
     cur->mmco_reset = h->mmco_reset;
     h->mmco_reset = 0;