/* * 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 "libavutil/rational.h" #include "libavcodec/codec_par.h" #include "avio.h" #include "avformat.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 data address of a data array which contains coded bitstream data from * which codec information can be extracted. May be NULL. * @param len length of the data array. * @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, const uint8_t *data, int len, AVCodecParameters *par); int ff_isom_get_vpcc_features(AVFormatContext *s, AVCodecParameters *par, const uint8_t *data, int len, AVRational *frame_rate, VPCC *vpcc); #endif /* AVFORMAT_VPCC_H */