blob: 12341ef6cfa8072214f602cf3d18bb571aa3d493 [file] [log] [blame]
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include <stddef.h>
#include <stdint.h>
#include <utility>
#include "absl/types/optional.h"
#include "api/array_view.h"
#include "api/ref_counted_base.h"
#include "api/scoped_refptr.h"
#include "api/video/video_timing.h"
#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
#include "modules/rtp_rtcp/source/rtp_header_extensions.h"
#include "modules/rtp_rtcp/source/rtp_packet.h"
namespace webrtc {
// Class to hold rtp packet with metadata for sender side.
// The metadata is not send over the wire, but packet sender may use it to
// create rtp header extensions or other data that is sent over the wire.
class RtpPacketToSend : public RtpPacket {
// RtpPacketToSend::Type is deprecated. Use RtpPacketMediaType directly.
using Type = RtpPacketMediaType;
explicit RtpPacketToSend(const ExtensionManager* extensions);
RtpPacketToSend(const ExtensionManager* extensions, size_t capacity);
RtpPacketToSend(const RtpPacketToSend& packet);
RtpPacketToSend(RtpPacketToSend&& packet);
RtpPacketToSend& operator=(const RtpPacketToSend& packet);
RtpPacketToSend& operator=(RtpPacketToSend&& packet);
// Time in local time base as close as it can to frame capture time.
int64_t capture_time_ms() const { return capture_time_ms_; }
void set_capture_time_ms(int64_t time) { capture_time_ms_ = time; }
void set_packet_type(RtpPacketMediaType type) { packet_type_ = type; }
absl::optional<RtpPacketMediaType> packet_type() const {
return packet_type_;
// If this is a retransmission, indicates the sequence number of the original
// media packet that this packet represents. If RTX is used this will likely
// be different from SequenceNumber().
void set_retransmitted_sequence_number(uint16_t sequence_number) {
retransmitted_sequence_number_ = sequence_number;
absl::optional<uint16_t> retransmitted_sequence_number() const {
return retransmitted_sequence_number_;
void set_allow_retransmission(bool allow_retransmission) {
allow_retransmission_ = allow_retransmission;
bool allow_retransmission() const { return allow_retransmission_; }
// An application can attach arbitrary data to an RTP packet using
// `additional_data`. The additional data does not affect WebRTC processing.
rtc::scoped_refptr<rtc::RefCountedBase> additional_data() const {
return additional_data_;
void set_additional_data(rtc::scoped_refptr<rtc::RefCountedBase> data) {
additional_data_ = std::move(data);
void set_packetization_finish_time_ms(int64_t time) {
VideoSendTiming::GetDeltaCappedMs(capture_time_ms_, time),
void set_pacer_exit_time_ms(int64_t time) {
VideoSendTiming::GetDeltaCappedMs(capture_time_ms_, time),
void set_network_time_ms(int64_t time) {
VideoSendTiming::GetDeltaCappedMs(capture_time_ms_, time),
void set_network2_time_ms(int64_t time) {
VideoSendTiming::GetDeltaCappedMs(capture_time_ms_, time),
// Indicates if packet is the first packet of a video frame.
void set_first_packet_of_frame(bool is_first_packet) {
is_first_packet_of_frame_ = is_first_packet;
bool is_first_packet_of_frame() const { return is_first_packet_of_frame_; }
// Indicates if packet contains payload for a video key-frame.
void set_is_key_frame(bool is_key_frame) { is_key_frame_ = is_key_frame; }
bool is_key_frame() const { return is_key_frame_; }
// Indicates if packets should be protected by FEC (Forward Error Correction).
void set_fec_protect_packet(bool protect) { fec_protect_packet_ = protect; }
bool fec_protect_packet() const { return fec_protect_packet_; }
// Indicates if packet is using RED encapsulation, in accordance with
void set_is_red(bool is_red) { is_red_ = is_red; }
bool is_red() const { return is_red_; }
int64_t capture_time_ms_ = 0;
absl::optional<RtpPacketMediaType> packet_type_;
bool allow_retransmission_ = false;
absl::optional<uint16_t> retransmitted_sequence_number_;
rtc::scoped_refptr<rtc::RefCountedBase> additional_data_;
bool is_first_packet_of_frame_ = false;
bool is_key_frame_ = false;
bool fec_protect_packet_ = false;
bool is_red_ = false;
} // namespace webrtc