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Add rtp module

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This commit is contained in:
dijunkun
2023-09-04 17:31:47 +08:00
parent daf7caf5bb
commit 3389dc5751
4 changed files with 151 additions and 1 deletions
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2
src/media/video/encode/nvcodec/nv_encoder.cpp
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@@ -79,7 +79,7 @@ int VideoEncoder::Encode(const uint8_t *pData, int nSize) {
return -1;
}
if (0 == seq_++ % (30)) {
if (0 == seq_++ % (30 * 5)) {
ForceIdr();
}

1
src/pc/peer_connection.cpp
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@@ -254,6 +254,7 @@ int PeerConnection::SendVideoData(const char *data, size_t size) {
int PeerConnection::OnEncodedImage(char *encoded_packets, size_t size) {
for (auto ice_trans : ice_transmission_list_) {
LOG_ERROR("H264 frame size: [{}]", size);
ice_trans.second->SendData(encoded_packets, size);
}

49
src/rtp/rtp_packet.cpp Normal file
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@@ -0,0 +1,49 @@
#include "rtp_packet.h"
#include <string>
// 0 1 2 3
// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// |V=2|P|X| CC |M| PT | sequence number |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | timestamp |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | synchronization source (SSRC) identifier |
// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
// | Contributing source (CSRC) identifiers |
// | .... |
// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
// | header eXtension profile id | length in 32bits |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | Extensions |
// | .... |
// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
// | Payload |
// | .... : padding... |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | padding | Padding size |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
RtpPacket::RtpPacket(const uint8_t *buffer, size_t size) {
if (size > 0) {
payload_ = new uint8_t[size];
memcpy(payload_, buffer, size);
payload_size_ = size;
}
}
RtpPacket::RtpPacket(const RtpPacket &rhs) {
if (rhs.payload_size_ > 0) {
payload_ = new uint8_t[rhs.payload_size_];
memcpy(payload_, rhs.payload_, rhs.payload_size_);
payload_size_ = rhs.payload_size_;
}
}
RtpPacket::~RtpPacket() {
if (payload_) {
delete payload_;
payload_ = nullptr;
}
payload_size_ = 0;
}

100
src/rtp/rtp_packet.h Normal file
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@@ -0,0 +1,100 @@
#ifndef _RTP_PACKET_H_
#define _RTP_PACKET_H_
#include <cstring>
#include <vector>
// 0 1 2 3
// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// |V=2|P|X| CC |M| PT | sequence number |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | timestamp |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | synchronization source (SSRC) identifier |
// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
// | Contributing source (CSRC) identifiers |
// | .... |
// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
// | header eXtension profile id | length in 32bits |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | Extensions |
// | .... |
// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
// | Payload |
// | .... : padding... |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | padding | Padding size |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
class RtpPacket {
public:
RtpPacket(const uint8_t *buffer, size_t size);
RtpPacket(const RtpPacket &rhs);
RtpPacket() {}
~RtpPacket();
public:
// Header
void SetMarker(bool marker) { marker_ = marker; }
void SetPayloadType(uint8_t payload_type) { payload_type_ = payload_type; }
void SetSequenceNumber(uint16_t sequence_number) {
sequence_number_ = sequence_number;
}
void SetTimestamp(uint32_t timestamp) { timestamp_ = timestamp; }
void SetSsrc(uint32_t ssrc) { ssrc_ = ssrc; }
void SetCsrcs(){};
void SetHeadersSize(size_t payload_offset) {
payload_offset_ = payload_offset;
}
void SetHasExtension(bool has_extension) { has_extension_ = has_extension; };
void SetExtensionID(uint16_t extension_id) { extension_id_ = extension_id; }
void SetExtensionData(uint8_t *extension_data) {
extension_data_ = extension_data;
}
// Payload
void SetPayload(uint8_t *payload) {
payload_ = new uint8_t[payload_size_];
memcpy(payload_, payload, payload_size_);
};
void SetPayloadSize(size_t payload_size) { payload_size_ = payload_size; };
void SetPaddingSize(size_t padding_size) { padding_size_ = padding_size; }
// Header
bool Marker() const { return marker_; }
uint8_t PayloadType() const { return payload_type_; }
uint16_t SequenceNumber() const { return sequence_number_; }
uint32_t Timestamp() const { return timestamp_; }
uint32_t Ssrc() const { return ssrc_; }
std::vector<uint32_t> Csrcs() const;
size_t HeadersSize() const { return payload_offset_; }
bool HasExtension() const { return has_extension_; };
uint16_t ExtensionID() const { return extension_id_; }
uint8_t *ExtensionData() const { return extension_data_; }
// Payload
uint8_t *Payload() const { return payload_; };
size_t PayloadSize() const { return payload_size_; }
size_t PaddingSize() const { return padding_size_; }
private:
// Header
bool marker_ = false;
uint8_t payload_type_ = 0;
uint16_t sequence_number_ = 0;
uint32_t timestamp_ = 0;
uint32_t ssrc_ = 0;
size_t payload_offset_ = 0;
bool has_extension_ = false;
uint16_t extension_id_ = 0;
uint8_t *extension_data_ = nullptr;
// Payload
uint8_t *payload_ = nullptr;
size_t payload_size_ = 0;
uint8_t padding_size_;
};
#endif