Rename ffmpeg-4.2-fit to ffmpeg-4-fit

trunk/3rdparty/ffmpeg-4-fit/libavutil/mastering_display_metadata.c

@@ -0,0 +1,66 @@
+/**
+ * Copyright (c) 2016 Neil Birkbeck <neil.birkbeck@gmail.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include "mastering_display_metadata.h"
+#include "mem.h"
+
+AVMasteringDisplayMetadata *av_mastering_display_metadata_alloc(void)
+{
+    return av_mallocz(sizeof(AVMasteringDisplayMetadata));
+}
+
+AVMasteringDisplayMetadata *av_mastering_display_metadata_create_side_data(AVFrame *frame)
+{
+    AVFrameSideData *side_data = av_frame_new_side_data(frame,
+                                                        AV_FRAME_DATA_MASTERING_DISPLAY_METADATA,
+                                                        sizeof(AVMasteringDisplayMetadata));
+    if (!side_data)
+        return NULL;
+
+    memset(side_data->data, 0, sizeof(AVMasteringDisplayMetadata));
+
+    return (AVMasteringDisplayMetadata *)side_data->data;
+}
+
+AVContentLightMetadata *av_content_light_metadata_alloc(size_t *size)
+{
+    AVContentLightMetadata *metadata = av_mallocz(sizeof(AVContentLightMetadata));
+
+    if (size)
+        *size = sizeof(*metadata);
+
+    return metadata;
+}
+
+AVContentLightMetadata *av_content_light_metadata_create_side_data(AVFrame *frame)
+{
+    AVFrameSideData *side_data = av_frame_new_side_data(frame,
+                                                        AV_FRAME_DATA_CONTENT_LIGHT_LEVEL,
+                                                        sizeof(AVContentLightMetadata));
+    if (!side_data)
+        return NULL;
+
+    memset(side_data->data, 0, sizeof(AVContentLightMetadata));
+
+    return (AVContentLightMetadata *)side_data->data;
+}