h264.hpp

//
//  h264.hpp
//  skyway
//
//  Created by sandabu on 2025/07/15.
//  Copyright © 2025 NTT DOCOMO BUSINESS, Inc. All rights reserved.
//
 
#ifndef SKYWAY_MEDIA_CODEC_H264_HPP_
#define SKYWAY_MEDIA_CODEC_H264_HPP_
 
#include "skyway/media/codec/video_codec.hpp"
 
namespace skyway {
namespace media {
namespace codec {
 
inline constexpr std::string_view kDefaultH264ProfileLevelId = "42e01f";
struct H264 : public VideoCodec {
    H264() : H264(std::string(kDefaultH264ProfileLevelId)) {}
    H264(const std::string& profile_level_id) {
        // clang-format off
        parameters = {
            // `1` is interleaved mode which is used in WebRTC.
            { "packetization-mode",      "1" },
            // `1` is asymmetrical mode which is used in WebRTC.
            { "level-asymmetry-allowed", "1" },
            { "profile-level-id",        profile_level_id }
        };
        // clang-format on
    }
    std::string Name() const override { return "H264"; }
    std::map<std::string, std::string> Parameters() const override { return parameters; }
    webrtc::VideoCodecType CodecType() const override { return webrtc::kVideoCodecH264; }
private:
    std::map<std::string, std::string> parameters;
};
 
}  // namespace codec
}  // namespace media
}  // namespace skyway
 
#endif /* SKYWAY_MEDIA_CODEC_H264_HPP_ */