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cast_messages.h
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cast_messages.h
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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// IPC messages for the Cast transport API.
#ifndef CHROME_COMMON_CAST_MESSAGES_H_
#define CHROME_COMMON_CAST_MESSAGES_H_
#include <stdint.h>
#include "ipc/ipc_message_macros.h"
#include "media/cast/common/rtp_time.h"
#include "media/cast/logging/logging_defines.h"
#include "media/cast/net/cast_transport.h"
#include "media/cast/net/rtcp/rtcp_defines.h"
#include "net/base/ip_endpoint.h"
#ifndef INTERNAL_CHROME_COMMON_CAST_MESSAGES_H_
#define INTERNAL_CHROME_COMMON_CAST_MESSAGES_H_
namespace IPC {
template<>
struct ParamTraits<media::cast::RtpTimeTicks> {
using param_type = media::cast::RtpTimeTicks;
static void Write(base::Pickle* m, const param_type& p);
static bool Read(const base::Pickle* m,
base::PickleIterator* iter,
param_type* r);
static void Log(const param_type& p, std::string* l);
};
template<>
struct ParamTraits<media::cast::FrameId> {
using param_type = media::cast::FrameId;
static void Write(base::Pickle* m, const param_type& p);
static bool Read(const base::Pickle* m,
base::PickleIterator* iter,
param_type* r);
static void Log(const param_type& p, std::string* l);
};
} // namespace IPC
#endif // INTERNAL_CHROME_COMMON_CAST_MESSAGES_H_
// Multiply-included message file, hence no include guard from here.
#undef IPC_MESSAGE_EXPORT
#define IPC_MESSAGE_EXPORT
#define IPC_MESSAGE_START CastMsgStart
IPC_ENUM_TRAITS_MAX_VALUE(
media::cast::EncodedFrame::Dependency,
media::cast::EncodedFrame::DEPENDENCY_LAST)
IPC_ENUM_TRAITS_MAX_VALUE(media::cast::Codec,
media::cast::CODEC_LAST)
IPC_ENUM_TRAITS_MAX_VALUE(media::cast::CastTransportStatus,
media::cast::CAST_TRANSPORT_STATUS_LAST)
IPC_ENUM_TRAITS_MAX_VALUE(media::cast::CastLoggingEvent,
media::cast::kNumOfLoggingEvents)
IPC_ENUM_TRAITS_MAX_VALUE(media::cast::EventMediaType,
media::cast::EVENT_MEDIA_TYPE_LAST)
IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::cast::RtpPayloadType,
media::cast::RtpPayloadType::FIRST,
media::cast::RtpPayloadType::LAST)
IPC_STRUCT_TRAITS_BEGIN(media::cast::EncodedFrame)
IPC_STRUCT_TRAITS_MEMBER(dependency)
IPC_STRUCT_TRAITS_MEMBER(frame_id)
IPC_STRUCT_TRAITS_MEMBER(referenced_frame_id)
IPC_STRUCT_TRAITS_MEMBER(rtp_timestamp)
IPC_STRUCT_TRAITS_MEMBER(reference_time)
IPC_STRUCT_TRAITS_MEMBER(new_playout_delay_ms)
IPC_STRUCT_TRAITS_MEMBER(data)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(media::cast::RtcpDlrrReportBlock)
IPC_STRUCT_TRAITS_MEMBER(last_rr)
IPC_STRUCT_TRAITS_MEMBER(delay_since_last_rr)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(media::cast::CastTransportRtpConfig)
IPC_STRUCT_TRAITS_MEMBER(ssrc)
IPC_STRUCT_TRAITS_MEMBER(rtp_stream_id)
IPC_STRUCT_TRAITS_MEMBER(feedback_ssrc)
IPC_STRUCT_TRAITS_MEMBER(rtp_payload_type)
IPC_STRUCT_TRAITS_MEMBER(aes_key)
IPC_STRUCT_TRAITS_MEMBER(aes_iv_mask)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(media::cast::PacketEvent)
IPC_STRUCT_TRAITS_MEMBER(rtp_timestamp)
IPC_STRUCT_TRAITS_MEMBER(frame_id)
IPC_STRUCT_TRAITS_MEMBER(max_packet_id)
IPC_STRUCT_TRAITS_MEMBER(packet_id)
IPC_STRUCT_TRAITS_MEMBER(size)
IPC_STRUCT_TRAITS_MEMBER(timestamp)
IPC_STRUCT_TRAITS_MEMBER(type)
IPC_STRUCT_TRAITS_MEMBER(media_type)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(media::cast::FrameEvent)
IPC_STRUCT_TRAITS_MEMBER(rtp_timestamp)
IPC_STRUCT_TRAITS_MEMBER(frame_id)
IPC_STRUCT_TRAITS_MEMBER(size)
IPC_STRUCT_TRAITS_MEMBER(timestamp)
IPC_STRUCT_TRAITS_MEMBER(type)
IPC_STRUCT_TRAITS_MEMBER(media_type)
IPC_STRUCT_TRAITS_MEMBER(delay_delta)
IPC_STRUCT_TRAITS_MEMBER(key_frame)
IPC_STRUCT_TRAITS_MEMBER(target_bitrate)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(media::cast::RtcpCastMessage)
IPC_STRUCT_TRAITS_MEMBER(remote_ssrc)
IPC_STRUCT_TRAITS_MEMBER(ack_frame_id)
IPC_STRUCT_TRAITS_MEMBER(target_delay_ms)
IPC_STRUCT_TRAITS_MEMBER(missing_frames_and_packets)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(media::cast::RtcpPliMessage)
IPC_STRUCT_TRAITS_MEMBER(remote_ssrc)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(media::cast::RtcpEvent)
IPC_STRUCT_TRAITS_MEMBER(type)
IPC_STRUCT_TRAITS_MEMBER(timestamp)
IPC_STRUCT_TRAITS_MEMBER(delay_delta)
IPC_STRUCT_TRAITS_MEMBER(packet_id)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(media::cast::RtcpReportBlock)
IPC_STRUCT_TRAITS_MEMBER(remote_ssrc)
IPC_STRUCT_TRAITS_MEMBER(media_ssrc)
IPC_STRUCT_TRAITS_MEMBER(fraction_lost)
IPC_STRUCT_TRAITS_MEMBER(cumulative_lost)
IPC_STRUCT_TRAITS_MEMBER(extended_high_sequence_number)
IPC_STRUCT_TRAITS_MEMBER(jitter)
IPC_STRUCT_TRAITS_MEMBER(last_sr)
IPC_STRUCT_TRAITS_MEMBER(delay_since_last_sr)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(media::cast::RtcpTimeData)
IPC_STRUCT_TRAITS_MEMBER(ntp_seconds)
IPC_STRUCT_TRAITS_MEMBER(ntp_fraction)
IPC_STRUCT_TRAITS_MEMBER(timestamp)
IPC_STRUCT_TRAITS_END()
// Cast messages sent from the browser to the renderer.
IPC_MESSAGE_CONTROL2(CastMsg_ReceivedPacket,
int32_t /* channel_id */,
media::cast::Packet /* packet */)
IPC_MESSAGE_CONTROL3(CastMsg_Rtt,
int32_t /* channel_id */,
uint32_t /* rtp sender ssrc */,
base::TimeDelta /* rtt */)
IPC_MESSAGE_CONTROL3(CastMsg_RtcpCastMessage,
int32_t /* channel_id */,
uint32_t /* rtp sender ssrc */,
media::cast::RtcpCastMessage /* cast_message */)
// This message indicates receiving picture loss indicator from rtp receiver.
IPC_MESSAGE_CONTROL2(CastMsg_Pli,
int32_t /* channel_id */,
uint32_t /* rtp sender ssrc */)
IPC_MESSAGE_CONTROL2(CastMsg_NotifyStatusChange,
int32_t /* channel_id */,
media::cast::CastTransportStatus /* status */)
IPC_MESSAGE_CONTROL3(CastMsg_RawEvents,
int32_t /* channel_id */,
std::vector<media::cast::PacketEvent> /* packet_events */,
std::vector<media::cast::FrameEvent> /* frame_events */)
// Cast messages sent from the renderer to the browser.
IPC_MESSAGE_CONTROL2(CastHostMsg_InitializeStream,
int32_t /*channel_id*/,
media::cast::CastTransportRtpConfig /*config*/)
IPC_MESSAGE_CONTROL3(CastHostMsg_InsertFrame,
int32_t /* channel_id */,
uint32_t /* ssrc */,
media::cast::EncodedFrame /* audio/video frame */)
IPC_MESSAGE_CONTROL4(CastHostMsg_SendSenderReport,
int32_t /* channel_id */,
uint32_t /* ssrc */,
base::TimeTicks /* current_time */,
media::cast::RtpTimeTicks /* cur_time_as_rtp_timestamp */)
IPC_MESSAGE_CONTROL3(CastHostMsg_CancelSendingFrames,
int32_t /* channel_id */,
uint32_t /* ssrc */,
std::vector<media::cast::FrameId> /* frame_ids */)
IPC_MESSAGE_CONTROL3(CastHostMsg_ResendFrameForKickstart,
int32_t /* channel_id */,
uint32_t /* ssrc */,
media::cast::FrameId /* frame_id */)
IPC_MESSAGE_CONTROL3(CastHostMsg_AddValidRtpReceiver,
int32_t /* channel id */,
uint32_t /* rtp sender ssrc */,
uint32_t /* rtp receiver ssrc */)
IPC_MESSAGE_CONTROL4(CastHostMsg_New,
int32_t /* channel_id */,
net::IPEndPoint /* local_end_point */,
net::IPEndPoint /* remote_end_point */,
base::DictionaryValue /* options */)
IPC_MESSAGE_CONTROL1(CastHostMsg_Delete, int32_t /* channel_id */)
// The following messages are used to build and send the RTCP packet from the
// RTP receiver. |CastHostMsg_InitializeRtpReceiverRtcpBuilder| needs to be sent
// before sending other optional RTCP messages.
// |CastHostMsg_SendRtcpFromRtpReceiver| has to be sent in the end to finish
// building the packet. The built packet will then be sent out.
IPC_MESSAGE_CONTROL3(CastHostMsg_InitializeRtpReceiverRtcpBuilder,
int32_t /* channel id */,
uint32_t /* rtp_receiver_ssrc */,
media::cast::RtcpTimeData /* time_data */)
IPC_MESSAGE_CONTROL3(CastHostMsg_AddCastFeedback,
int32_t /* channel id */,
media::cast::RtcpCastMessage /* cast message */,
base::TimeDelta /* target delay */)
IPC_MESSAGE_CONTROL2(CastHostMsg_AddPli,
int32_t /* channel id */,
media::cast::RtcpPliMessage /* pli message */)
IPC_MESSAGE_CONTROL2(
CastHostMsg_AddRtcpEvents,
int32_t /* channel id */,
media::cast::ReceiverRtcpEventSubscriber::RtcpEvents /* rtcp_events */)
IPC_MESSAGE_CONTROL2(
CastHostMsg_AddRtpReceiverReport,
int32_t /* channel id */,
media::cast::RtcpReportBlock /* rtp_receiver_report_block */)
IPC_MESSAGE_CONTROL1(CastHostMsg_SendRtcpFromRtpReceiver,
int32_t /* channel id */)
#endif // CHROME_COMMON_CAST_MESSAGES_H_