early-access version 1432

externals/ffmpeg/libavformat/vpcc.h

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+/*
+ * Copyright (c) 2016 Google Inc.
+ * Copyright (c) 2016 KongQun Yang (kqyang@google.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
+ */
+
+/**
+ * @file
+ * internal header for VPx codec configuration utilities.
+ */
+
+#ifndef AVFORMAT_VPCC_H
+#define AVFORMAT_VPCC_H
+
+#include <stdint.h>
+#include "avio.h"
+#include "avformat.h"
+#include "libavcodec/avcodec.h"
+
+typedef struct VPCC {
+    int profile;
+    int level;
+    int bitdepth;
+    int chroma_subsampling;
+    int full_range_flag;
+} VPCC;
+
+/**
+ * Writes VP codec configuration to the provided AVIOContext.
+ *
+ * @param s address of the AVFormatContext for the logging context.
+ * @param pb address of the AVIOContext where the vpcC shall be written.
+ * @param par address of the AVCodecParameters which contains codec information.
+ * @return >=0 in case of success, a negative value corresponding to an AVERROR
+ *         code in case of failure
+ */
+int ff_isom_write_vpcc(AVFormatContext *s, AVIOContext *pb,
+                       AVCodecParameters *par);
+
+int ff_isom_get_vpcc_features(AVFormatContext *s, AVCodecParameters *par,
+                              AVRational *frame_rate, VPCC *vpcc);
+
+#endif /* AVFORMAT_VPCC_H */