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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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39
src/Rtmp/RtmpMediaSourceImp.cpp
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@@ -6,11 +6,13 @@ namespace mediakit {
uint32_t RtmpMediaSource::getTimeStamp(TrackType trackType) {
assert(trackType >= TrackInvalid && trackType < TrackMax);
if (trackType != TrackInvalid) {
// 获取某track的时间戳
// 获取某track的时间戳 [AUTO-TRANSLATED:2735ed10]
// Get the timestamp of a track
return _track_stamps[trackType];
}
// 获取所有track的最小时间戳
// 获取所有track的最小时间戳 [AUTO-TRANSLATED:179a75cd]
// Get the minimum timestamp of all tracks
uint32_t ret = UINT32_MAX;
for (auto &stamp : _track_stamps) {
if (stamp > 0 && stamp < ret) {
@@ -47,7 +49,8 @@ void RtmpMediaSource::setMetaData(const AMFValue &metadata) {
void RtmpMediaSource::onWrite(RtmpPacket::Ptr pkt, bool /*= true*/) {
bool is_video = pkt->type_id == MSG_VIDEO;
_speed[is_video ? TrackVideo : TrackAudio] += pkt->size();
// 保存当前时间戳
// 保存当前时间戳 [AUTO-TRANSLATED:2b09ff42]
// Save the current timestamp
switch (pkt->type_id) {
case MSG_VIDEO: _track_stamps[TrackVideo] = pkt->time_stamp, _have_video = true; break;
case MSG_AUDIO: _track_stamps[TrackAudio] = pkt->time_stamp, _have_audio = true; break;
@@ -58,7 +61,8 @@ void RtmpMediaSource::onWrite(RtmpPacket::Ptr pkt, bool /*= true*/) {
std::lock_guard<std::recursive_mutex> lock(_mtx);
_config_frame_map[pkt->type_id] = pkt;
if (!_ring) {
// 注册后收到config帧更新到各播放器
// 注册后收到config帧更新到各播放器 [AUTO-TRANSLATED:7200693d]
// After registration, receive the config frame and update it to each player
return;
}
}
@@ -73,8 +77,10 @@ void RtmpMediaSource::onWrite(RtmpPacket::Ptr pkt, bool /*= true*/) {
strong_self->onReaderChanged(size);
};
// GOP默认缓冲512组RTMP包，每组RTMP包时间戳相同(如果开启合并写了，那么每组为合并写时间内的RTMP包),
// 每次遇到关键帧第一个RTMP包，则会清空GOP缓存(因为有新的关键帧了，同样可以实现秒开)
// GOP默认缓冲512组RTMP包，每组RTMP包时间戳相同(如果开启合并写了，那么每组为合并写时间内的RTMP包), [AUTO-TRANSLATED:4a372774]
// GOP defaults to buffering 512 groups of RTMP packets, each group of RTMP packets has the same timestamp (if merge writing is enabled, then each group is the RTMP packet within the merge writing time),
// 每次遇到关键帧第一个RTMP包，则会清空GOP缓存(因为有新的关键帧了，同样可以实现秒开) [AUTO-TRANSLATED:dee67297]
// Every time a key frame's first RTMP packet is encountered, the GOP cache will be cleared (because there is a new key frame, which can also achieve instant opening)
_ring = std::make_shared<RingType>(_ring_size, std::move(lam));
if (_metadata) {
regist();
@@ -93,7 +99,8 @@ RtmpMediaSourceImp::RtmpMediaSourceImp(const MediaTuple &tuple, int ringSize)
void RtmpMediaSourceImp::setMetaData(const AMFValue &metadata) {
if (!_demuxer->loadMetaData(metadata)) {
// 该metadata无效，需要重新生成
// 该metadata无效，需要重新生成 [AUTO-TRANSLATED:44a65c0c]
// This metadata is invalid and needs to be regenerated
_metadata = metadata;
_recreate_metadata = true;
}
@@ -102,12 +109,14 @@ void RtmpMediaSourceImp::setMetaData(const AMFValue &metadata) {
void RtmpMediaSourceImp::onWrite(RtmpPacket::Ptr pkt, bool /*= true*/) {
if (!_all_track_ready || _muxer->isEnabled()) {
// 未获取到所有Track后，或者开启转协议，那么需要解复用rtmp
// 未获取到所有Track后，或者开启转协议，那么需要解复用rtmp [AUTO-TRANSLATED:76f6f56e]
// If all Tracks are not obtained, or protocol conversion is enabled, then demultiplexing rtmp is required
_demuxer->inputRtmp(pkt);
}
GET_CONFIG(bool, directProxy, Rtmp::kDirectProxy);
if (directProxy) {
//直接代理模式才直接使用原始rtmp
// 直接代理模式才直接使用原始rtmp [AUTO-TRANSLATED:ece580ea]
// Only direct proxy mode uses the original rtmp directly
RtmpMediaSource::onWrite(std::move(pkt));
}
}
@@ -123,7 +132,8 @@ void RtmpMediaSourceImp::setProtocolOption(const ProtocolOption &option) {
_muxer = std::make_shared<MultiMediaSourceMuxer>(_tuple, _demuxer->getDuration(), _option);
_muxer->setMediaListener(getListener());
_muxer->setTrackListener(std::static_pointer_cast<RtmpMediaSourceImp>(shared_from_this()));
// 让_muxer对象拦截一部分事件(比如说录像相关事件)
// 让_muxer对象拦截一部分事件(比如说录像相关事件) [AUTO-TRANSLATED:7d27c400]
// Let the _muxer object intercept some events (such as recording related events)
MediaSource::setListener(_muxer);
for (auto &track : _demuxer->getTracks(false)) {
@@ -158,7 +168,8 @@ void RtmpMediaSourceImp::onAllTrackReady() {
_all_track_ready = true;
if (_recreate_metadata) {
// 更新metadata
// 更新metadata [AUTO-TRANSLATED:396f34c7]
// Update metadata
for (auto &track : _muxer->getTracks()) {
Metadata::addTrack(_metadata, track);
}
@@ -168,10 +179,12 @@ void RtmpMediaSourceImp::onAllTrackReady() {
void RtmpMediaSourceImp::setListener(const std::weak_ptr<MediaSourceEvent> &listener) {
if (_muxer) {
//_muxer对象不能处理的事件再给listener处理
// _muxer对象不能处理的事件再给listener处理 [AUTO-TRANSLATED:47858305]
// Events that the _muxer object cannot handle are then handled by the listener
_muxer->setMediaListener(listener);
} else {
// 未创建_muxer对象，事件全部给listener处理
// 未创建_muxer对象，事件全部给listener处理 [AUTO-TRANSLATED:54efbd82]
// If the _muxer object is not created, all events are handled by the listener
MediaSource::setListener(listener);
}
}