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libav_utils.h

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    libav_utils.h 1.67 KiB
    /*
     *  Copyright (C) 2004-2019 Savoir-faire Linux Inc.
     *
     *  Author: Tristan Matthews <tristan.matthews@savoirfairelinux.com>
     *  Author: Philippe Gorley <philippe.gorley@savoirfairelinux.com>
     *
     *  This program is free software; you can redistribute it and/or modify
     *  it under the terms of the GNU General Public License as published by
     *  the Free Software Foundation; either version 3 of the License, or
     *  (at your option) any later version.
     *
     *  This program 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 General Public License for more details.
     *
     *  You should have received a copy of the GNU General Public License
     *  along with this program; if not, write to the Free Software
     *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
     */
    
    #pragma once
    
    #include <vector>
    #include <map>
    #include <string>
    
    extern "C" {
    struct AVDictionary;
    struct AVFrame;
    struct AVPixFmtDescriptor;
    }
    
    namespace jami { namespace libav_utils {
    
        void av_init();
    
        const char *const DEFAULT_H264_PROFILE_LEVEL_ID = "profile-level-id=428029";
        const char *const MAX_H264_PROFILE_LEVEL_ID = "profile-level-id=640034";
    
        bool is_yuv_planar(const AVPixFmtDescriptor& desc);
    
        std::string getError(int err);
    
        const char* getDictValue(const AVDictionary* d, const std::string& key, int flags=0);
    
        void setDictValue(AVDictionary** d, const std::string& key, const std::string& value, int flags=0);
    
        void fillWithBlack(AVFrame* frame);
    
        void fillWithSilence(AVFrame* frame);
    
    }} // namespace jami::libav_utils