avframe: add codec-independent stereoscopic metadata

1 files changed, 40 insertions, 0 deletions

diff --git a/libavutil/stereo3d.c b/libavutil/stereo3d.c
new file mode 100644
index 0000000000..850fd75454
--- /dev/null
+++ b/libavutil/stereo3d.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2013 Vittorio Giovara <vittorio.giovara@gmail.com>
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+#include "mem.h"
+#include "stereo3d.h"
+
+AVStereo3D *av_stereo3d_alloc(void)
+{
+    return av_mallocz(sizeof(AVStereo3D));
+}
+
+AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame)
+{
+    AVFrameSideData *side_data = av_frame_new_side_data(frame,
+                                                        AV_FRAME_DATA_STEREO3D,
+                                                        sizeof(AVStereo3D));
+    if (!side_data)
+        return NULL;
+
+    return (AVStereo3D *)side_data->data;
+}