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AI automatically translates all comments in the code into English (#3917)

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This commit is contained in:
alex
2024-09-19 14:53:50 +08:00
committed by GitHub
parent 046de691cb
commit 4152dcd409
279 changed files with 10602 additions and 3038 deletions
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36
src/Rtsp/RtpReceiver.cpp
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@@ -39,7 +39,8 @@ RtpPacket::Ptr RtpTrack::inputRtp(TrackType type, int sample_rate, uint8_t *ptr,
return nullptr;
}
if (!sample_rate) {
//无法把时间戳转换成毫秒
// 无法把时间戳转换成毫秒 [AUTO-TRANSLATED:ec2d97b6]
// Unable to convert timestamp to milliseconds
return nullptr;
}
RtpHeader *header = (RtpHeader *) ptr;
@@ -47,11 +48,13 @@ RtpPacket::Ptr RtpTrack::inputRtp(TrackType type, int sample_rate, uint8_t *ptr,
throw BadRtpException("invalid rtp version");
}
if (header->getPayloadSize(len) < 0) {
//rtp有效负载小于0，非法
// rtp有效负载小于0，非法 [AUTO-TRANSLATED:07eb3ec3]
// RTP payload is less than 0, illegal
throw BadRtpException("invalid rtp payload size");
}
//比对缓存ssrc
// 比对缓存ssrc [AUTO-TRANSLATED:206cb66f]
// Compare cache ssrc
auto ssrc = ntohl(header->ssrc);
if (_pt == 0xFF) {
@@ -62,16 +65,20 @@ RtpPacket::Ptr RtpTrack::inputRtp(TrackType type, int sample_rate, uint8_t *ptr,
}
if (!_ssrc) {
//记录并锁定ssrc
// 记录并锁定ssrc [AUTO-TRANSLATED:29452029]
// Record and lock ssrc
_ssrc = ssrc;
_ssrc_alive.resetTime();
} else if (_ssrc == ssrc) {
//ssrc匹配正确,刷新计时器
// ssrc匹配正确,刷新计时器 [AUTO-TRANSLATED:266518e6]
// SSRC matches correctly, refresh timer
_ssrc_alive.resetTime();
} else {
//ssrc错误
// ssrc错误 [AUTO-TRANSLATED:b967d497]
// SSRC error
if (_ssrc_alive.elapsedTime() < 3 * 1000) {
//接收正确ssrc的rtp在10秒内，那么我们认为存在多路rtp,忽略掉ssrc不匹配的rtp
// 接收正确ssrc的rtp在10秒内，那么我们认为存在多路rtp,忽略掉ssrc不匹配的rtp [AUTO-TRANSLATED:2f98c2b5]
// If the RTP with the correct SSRC is received within 10 seconds, we consider it to be multi-path RTP, and ignore the RTP with mismatched SSRC
WarnL << "ssrc mismatch, rtp dropped:" << ssrc << " != " << _ssrc;
return nullptr;
}
@@ -81,25 +88,30 @@ RtpPacket::Ptr RtpTrack::inputRtp(TrackType type, int sample_rate, uint8_t *ptr,
}
auto rtp = RtpPacket::create();
//需要添加4个字节的rtp over tcp头
// 需要添加4个字节的rtp over tcp头 [AUTO-TRANSLATED:a37d639b]
// Need to add 4 bytes of RTP over TCP header
rtp->setCapacity(RtpPacket::kRtpTcpHeaderSize + len);
rtp->setSize(RtpPacket::kRtpTcpHeaderSize + len);
rtp->sample_rate = sample_rate;
rtp->type = type;
//赋值4个字节的rtp over tcp头
// 赋值4个字节的rtp over tcp头 [AUTO-TRANSLATED:eeb990a9]
// Assign 4 bytes of RTP over TCP header
uint8_t *data = (uint8_t *) rtp->data();
data[0] = '$';
data[1] = 2 * type;
data[2] = (len >> 8) & 0xFF;
data[3] = len & 0xFF;
//拷贝rtp
// 拷贝rtp [AUTO-TRANSLATED:3a2466c2]
// Copy RTP
memcpy(&data[4], ptr, len);
if (_disable_ntp) {
//不支持ntp时间戳，例如国标推流，那么直接使用rtp时间戳
// 不支持ntp时间戳，例如国标推流，那么直接使用rtp时间戳 [AUTO-TRANSLATED:20085979]
// Does not support NTP timestamp, such as national standard streaming, so directly use RTP timestamp
rtp->ntp_stamp = rtp->getStamp() * uint64_t(1000) / sample_rate;
} else {
//设置ntp时间戳
// 设置ntp时间戳 [AUTO-TRANSLATED:5e60d5cf]
// Set NTP timestamp
rtp->ntp_stamp = _ntp_stamp.getNtpStamp(rtp->getStamp(), sample_rate);
}
onBeforeRtpSorted(rtp);