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Implementation for av1 codec

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This commit is contained in:
dijunkun
2024-04-19 17:35:19 +08:00
parent a309627ca3
commit f5586a7922
17 changed files with 1037 additions and 67 deletions
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88
src/rtp/rtp_codec.cpp
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@@ -9,6 +9,16 @@
#define FU_A 28
#define FU_B 29
constexpr int kObuTypeSequenceHeader = 1;
constexpr int kObuTypeTemporalDelimiter = 2;
constexpr int kObuTypeFrameHeader = 3;
constexpr int kObuTypeTileGroup = 4;
constexpr int kObuTypeMetadata = 5;
constexpr int kObuTypeFrame = 6;
constexpr int kObuTypeRedundantFrameHeader = 7;
constexpr int kObuTypeTileList = 8;
constexpr int kObuTypePadding = 15;
RtpCodec ::RtpCodec(RtpPacket::PAYLOAD_TYPE payload_type)
: version_(RTP_VERSION),
has_padding_(false),
@@ -216,6 +226,84 @@ void RtpCodec::Encode(uint8_t* buffer, size_t size,
packets.emplace_back(rtp_packet);
}
}
} else if (RtpPacket::PAYLOAD_TYPE::AV1 == payload_type_) {
if (size <= MAX_NALU_LEN) {
RtpPacket rtp_packet;
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_);
}
// int obu_header;
// memcpy(&obu_header, buffer, sizeof(char));
// int obu_type = (obu_header & 0b0'1111'000) >> 3;
// LOG_ERROR("OBU type {}", obu_type);
// if (obu_type == kObuTypeTemporalDelimiter ||
// obu_type == kObuTypeTileList || obu_type == kObuTypePadding) {
// LOG_ERROR("Unsupported OBU type", obu_type);
// }
RtpPacket::AV1_AGGR_HEADER av1_aggr_header;
av1_aggr_header.z = av1_aggr_header.z;
av1_aggr_header.y = av1_aggr_header.y;
av1_aggr_header.w = av1_aggr_header.w;
av1_aggr_header.n = av1_aggr_header.n;
rtp_packet.SetAv1AggrHeader(av1_aggr_header);
rtp_packet.EncodeAv1(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);
timestamp_ =
std::chrono::high_resolution_clock::now().time_since_epoch().count();
for (size_t index = 0; index < packet_num; index++) {
RtpPacket rtp_packet;
rtp_packet.SetVerion(version_);
rtp_packet.SetHasPadding(has_padding_);
rtp_packet.SetHasExtension(has_extension_);
rtp_packet.SetMarker(index == packet_num - 1 ? 1 : 0);
rtp_packet.SetPayloadType(RtpPacket::PAYLOAD_TYPE(payload_type_));
rtp_packet.SetSequenceNumber(sequence_number_++);
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_);
}
if (index == packet_num - 1 && last_packet_size > 0) {
rtp_packet.EncodeAv1(buffer + index * MAX_NALU_LEN, last_packet_size);
} else {
rtp_packet.EncodeAv1(buffer + index * MAX_NALU_LEN, MAX_NALU_LEN);
}
packets.emplace_back(rtp_packet);
}
}
} else if (RtpPacket::PAYLOAD_TYPE::OPUS == payload_type_) {
RtpPacket rtp_packet;
rtp_packet.SetVerion(version_);