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/*
* Copyright (c) 2011 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 "modules/video_coding/deprecated/packet.h"
#include <cstddef>
#include <cstdint>
#include <optional>
#include "api/rtp_headers.h"
#include "api/units/timestamp.h"
#include "api/video/video_codec_type.h"
#include "modules/rtp_rtcp/source/rtp_video_header.h"
namespace webrtc {
VCMPacket::VCMPacket()
: payloadType(0),
timestamp(0),
ntp_time_ms_(0),
seqNum(0),
dataPtr(nullptr),
sizeBytes(0),
markerBit(false),
timesNacked(-1),
completeNALU(kNaluUnset),
insertStartCode(false),
video_header() {}
VCMPacket::VCMPacket(const uint8_t* ptr,
size_t size,
const RTPHeader& rtp_header,
const RTPVideoHeader& videoHeader,
int64_t ntp_time_ms,
Timestamp receive_time)
: payloadType(rtp_header.payloadType),
timestamp(rtp_header.timestamp),
ntp_time_ms_(ntp_time_ms),
seqNum(rtp_header.sequenceNumber),
dataPtr(ptr),
sizeBytes(size),
markerBit(rtp_header.markerBit),
timesNacked(-1),
completeNALU(kNaluIncomplete),
insertStartCode(videoHeader.codec == kVideoCodecH264 &&
videoHeader.is_first_packet_in_frame),
video_header(videoHeader),
packet_info(rtp_header, receive_time) {
if (is_first_packet_in_frame() && markerBit) {
completeNALU = kNaluComplete;
} else if (is_first_packet_in_frame()) {
completeNALU = kNaluStart;
} else if (markerBit) {
completeNALU = kNaluEnd;
} else {
completeNALU = kNaluIncomplete;
}
// Playout decisions are made entirely based on first packet in a frame.
if (!is_first_packet_in_frame()) {
video_header.playout_delay = std::nullopt;
}
}
VCMPacket::~VCMPacket() = default;
} // namespace webrtc
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