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Implementation for user data sending

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This commit is contained in:
dijunkun
2023-09-13 17:31:02 +08:00
parent e2533d18e4
commit a0abb7455c
27 changed files with 513 additions and 233 deletions
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124
src/rtp/rtp_codec.cpp
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@@ -36,46 +36,12 @@ void RtpCodec::Encode(uint8_t* buffer, size_t size,
RtpPacket rtp_packet;
if (size <= MAX_NALU_LEN) {
rtp_packet.SetVerion(version_);
rtp_packet.SetHasPadding(has_padding_);
rtp_packet.SetHasExtension(has_extension_);
rtp_packet.SetMarker(1);
rtp_packet.SetPayloadType(RtpPacket::PAYLOAD_TYPE(payload_type_));
rtp_packet.SetSequenceNumber(sequence_number_++);
timestamp_ =
std::chrono::high_resolution_clock::now().time_since_epoch().count();
rtp_packet.SetTimestamp(timestamp_);
rtp_packet.SetSsrc(ssrc_);
if (!csrcs_.empty()) {
rtp_packet.SetCsrcs(csrcs_);
}
if (has_extension_) {
rtp_packet.SetExtensionProfile(extension_profile_);
rtp_packet.SetExtensionData(extension_data_, extension_len_);
}
RtpPacket::FU_INDICATOR fu_indicator;
fu_indicator.forbidden_bit = 0;
fu_indicator.nal_reference_idc = 1;
fu_indicator.nal_unit_type = NALU;
rtp_packet.SetFuIndicator(fu_indicator);
rtp_packet.EncodeH264Nalu(buffer, size);
packets.emplace_back(rtp_packet);
} else {
size_t last_packet_size = size % MAX_NALU_LEN;
size_t packet_num = size / MAX_NALU_LEN + (last_packet_size ? 1 : 0);
for (size_t index = 0; index < packet_num; index++) {
if (RtpPacket::PAYLOAD_TYPE::H264 == payload_type_) {
if (size <= MAX_NALU_LEN) {
rtp_packet.SetVerion(version_);
rtp_packet.SetHasPadding(has_padding_);
rtp_packet.SetHasExtension(has_extension_);
rtp_packet.SetMarker(index == packet_num ? 1 : 0);
rtp_packet.SetMarker(1);
rtp_packet.SetPayloadType(RtpPacket::PAYLOAD_TYPE(payload_type_));
rtp_packet.SetSequenceNumber(sequence_number_++);
@@ -95,26 +61,78 @@ void RtpCodec::Encode(uint8_t* buffer, size_t size,
RtpPacket::FU_INDICATOR fu_indicator;
fu_indicator.forbidden_bit = 0;
fu_indicator.nal_reference_idc = 0;
fu_indicator.nal_unit_type = FU_A;
RtpPacket::FU_HEADER fu_header;
fu_header.start = index == 0 ? 1 : 0;
fu_header.end = index == packet_num - 1 ? 1 : 0;
fu_header.remain_bit = 0;
fu_header.nal_unit_type = FU_A;
fu_indicator.nal_reference_idc = 1;
fu_indicator.nal_unit_type = NALU;
rtp_packet.SetFuIndicator(fu_indicator);
rtp_packet.SetFuHeader(fu_header);
if (index == packet_num - 1 && last_packet_size > 0) {
rtp_packet.EncodeH264Fua(buffer + index * MAX_NALU_LEN,
last_packet_size);
} else {
rtp_packet.EncodeH264Fua(buffer + index * MAX_NALU_LEN, MAX_NALU_LEN);
}
rtp_packet.EncodeH264Nalu(buffer, size);
packets.emplace_back(rtp_packet);
} else {
size_t last_packet_size = size % MAX_NALU_LEN;
size_t packet_num = size / MAX_NALU_LEN + (last_packet_size ? 1 : 0);
for (size_t index = 0; index < packet_num; index++) {
rtp_packet.SetVerion(version_);
rtp_packet.SetHasPadding(has_padding_);
rtp_packet.SetHasExtension(has_extension_);
rtp_packet.SetMarker(index == packet_num ? 1 : 0);
rtp_packet.SetPayloadType(RtpPacket::PAYLOAD_TYPE(payload_type_));
rtp_packet.SetSequenceNumber(sequence_number_++);
timestamp_ = std::chrono::high_resolution_clock::now()
.time_since_epoch()
.count();
rtp_packet.SetTimestamp(timestamp_);
rtp_packet.SetSsrc(ssrc_);
if (!csrcs_.empty()) {
rtp_packet.SetCsrcs(csrcs_);
}
if (has_extension_) {
rtp_packet.SetExtensionProfile(extension_profile_);
rtp_packet.SetExtensionData(extension_data_, extension_len_);
}
RtpPacket::FU_INDICATOR fu_indicator;
fu_indicator.forbidden_bit = 0;
fu_indicator.nal_reference_idc = 0;
fu_indicator.nal_unit_type = FU_A;
RtpPacket::FU_HEADER fu_header;
fu_header.start = index == 0 ? 1 : 0;
fu_header.end = index == packet_num - 1 ? 1 : 0;
fu_header.remain_bit = 0;
fu_header.nal_unit_type = FU_A;
rtp_packet.SetFuIndicator(fu_indicator);
rtp_packet.SetFuHeader(fu_header);
if (index == packet_num - 1 && last_packet_size > 0) {
rtp_packet.EncodeH264Fua(buffer + index * MAX_NALU_LEN,
last_packet_size);
} else {
rtp_packet.EncodeH264Fua(buffer + index * MAX_NALU_LEN, MAX_NALU_LEN);
}
packets.emplace_back(rtp_packet);
}
}
} else if (RtpPacket::PAYLOAD_TYPE::DATA == payload_type_) {
rtp_packet.SetVerion(version_);
rtp_packet.SetHasPadding(has_padding_);
rtp_packet.SetHasExtension(has_extension_);
rtp_packet.SetMarker(1);
rtp_packet.SetPayloadType(RtpPacket::PAYLOAD_TYPE(payload_type_));
rtp_packet.SetSequenceNumber(sequence_number_++);
timestamp_ =
std::chrono::high_resolution_clock::now().time_since_epoch().count();
rtp_packet.SetTimestamp(timestamp_);
rtp_packet.SetSsrc(ssrc_);
rtp_packet.Encode(buffer, size);
packets.emplace_back(rtp_packet);
}
}