libavformat/vpcc.h

   1 /*
   2  * Copyright (c) 2016 Google Inc.
   3  * Copyright (c) 2016 KongQun Yang (kqyang@google.com)
   4  *
   5  * This file is part of FFmpeg.
   6  *
   7  * FFmpeg is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * FFmpeg is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with FFmpeg; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 /**
  23  * @file
  24  * internal header for VPx codec configuration utilities.
  25  */
  26
  27 #ifndef AVFORMAT_VPCC_H
  28 #define AVFORMAT_VPCC_H
  29
  30 #include <stdint.h>
  31 #include "avio.h"
  32 #include "avformat.h"
  33 #include "libavcodec/avcodec.h"
  34
  35 typedef struct VPCC {
  36     int profile;
  37     int level;
  38     int bitdepth;
  39     int chroma_subsampling;
  40     int full_range_flag;
  41 } VPCC;
  42
  43 /**
  44  * Writes VP codec configuration to the provided AVIOContext.
  45  *
  46  * @param s address of the AVFormatContext for the logging context.
  47  * @param pb address of the AVIOContext where the vpcC shall be written.
  48  * @param par address of the AVCodecParameters which contains codec information.
  49  * @return >=0 in case of success, a negative value corresponding to an AVERROR
  50  *         code in case of failure
  51  */
  52 int ff_isom_write_vpcc(AVFormatContext *s, AVIOContext *pb,
  53                        AVCodecParameters *par);
  54
  55 int ff_isom_get_vpcc_features(AVFormatContext *s, AVCodecParameters *par,
  56                               AVRational *frame_rate, VPCC *vpcc);
  57
  58 #endif /* AVFORMAT_VPCC_H */