| /* |
| * Copyright (C) 2017 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "RTCPacketOptions.h" |
| |
| #if USE(LIBWEBRTC) |
| |
| #include "DataReference.h" |
| #include "WebCoreArgumentCoders.h" |
| #include <wtf/Optional.h> |
| |
| namespace WebKit { |
| |
| void RTCPacketOptions::encode(IPC::Encoder& encoder) const |
| { |
| encoder.encodeEnum(options.dscp); |
| encoder << safeCast<int32_t>(options.packet_id); |
| encoder << options.packet_time_params.rtp_sendtime_extension_id; |
| |
| encoder << static_cast<int64_t>(options.packet_time_params.srtp_auth_tag_len); |
| if (options.packet_time_params.srtp_auth_tag_len > 0) |
| encoder << IPC::DataReference(reinterpret_cast<const uint8_t*>(options.packet_time_params.srtp_auth_key.data()), options.packet_time_params.srtp_auth_key.size()); |
| |
| encoder << options.packet_time_params.srtp_packet_index; |
| } |
| |
| Optional<RTCPacketOptions> RTCPacketOptions::decode(IPC::Decoder& decoder) |
| { |
| rtc::PacketTimeUpdateParams params; |
| rtc::PacketOptions options; |
| |
| rtc::DiffServCodePoint dscp; |
| if (!decoder.decodeEnum(dscp)) |
| return WTF::nullopt; |
| options.dscp = dscp; |
| |
| Optional<int32_t> packetId; |
| decoder >> packetId; |
| if (!packetId) |
| return WTF::nullopt; |
| options.packet_id = packetId.value(); |
| |
| Optional<int> rtpSendtimeExtensionId; |
| decoder >> rtpSendtimeExtensionId; |
| if (!rtpSendtimeExtensionId) |
| return WTF::nullopt; |
| params.rtp_sendtime_extension_id = rtpSendtimeExtensionId.value(); |
| |
| Optional<int64_t> srtpAuthTagLength; |
| decoder >> srtpAuthTagLength; |
| if (!srtpAuthTagLength) |
| return WTF::nullopt; |
| params.srtp_auth_tag_len = srtpAuthTagLength.value(); |
| |
| if (params.srtp_auth_tag_len > 0) { |
| IPC::DataReference srtpAuthKey; |
| if (!decoder.decode(srtpAuthKey)) |
| return WTF::nullopt; |
| |
| params.srtp_auth_key = std::vector<char>(static_cast<size_t>(srtpAuthKey.size())); |
| memcpy(params.srtp_auth_key.data(), reinterpret_cast<const char*>(srtpAuthKey.data()), srtpAuthKey.size() * sizeof(char)); |
| } |
| |
| Optional<int64_t> srtpPacketIndex; |
| decoder >> srtpPacketIndex; |
| if (!srtpPacketIndex) |
| return WTF::nullopt; |
| params.srtp_packet_index = srtpPacketIndex.value(); |
| |
| options.packet_time_params = WTFMove(params); |
| return RTCPacketOptions { WTFMove(options) }; |
| } |
| |
| } |
| |
| #endif // USE(LIBWEBRTC) |