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/*
* libdatachannel streamer example
* Copyright (c) 2020 Filip Klembara (in2core)
*
* 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 2
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef RTC_OPUS_RTP_PACKETIZER_H
#define RTC_OPUS_RTP_PACKETIZER_H
#if RTC_ENABLE_MEDIA
#include "rtppacketizer.hpp"
#include "mediahandlerrootelement.hpp"
namespace rtc {
/// RTP packetizer for opus
class RTC_CPP_EXPORT OpusRtpPacketizer : public RtpPacketizer, public MediaHandlerRootElement {
public:
/// default clock rate used in opus RTP communication
static const uint32_t defaultClockRate = 48 * 1000;
/// Constructs opus packetizer with given RTP configuration.
/// @note RTP configuration is used in packetization process which may change some configuration
/// properties such as sequence number.
/// @param rtpConfig RTP configuration
OpusRtpPacketizer(std::shared_ptr<RtpPacketizationConfig> rtpConfig);
/// Creates RTP packet for given payload based on `rtpConfig`.
/// @note This function increase sequence number after packetization.
/// @param payload RTP payload
/// @param setMark This needs to be `false` for all RTP packets with opus payload
binary_ptr packetize(binary_ptr payload, bool setMark) override;
/// Creates RTP packet for given samples (all samples share same RTP timesamp)
/// @param messages opus samples
/// @param control RTCP
/// @returns RTP packets and unchanged `control`
ChainedOutgoingProduct processOutgoingBinaryMessage(ChainedMessagesProduct messages, message_ptr control) override;
};
} // namespace rtc
#endif /* RTC_ENABLE_MEDIA */
#endif /* RTC_OPUS_RTP_PACKETIZER_H */