mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-12-02 08:13:02 +08:00
800 lines
26 KiB
C++
800 lines
26 KiB
C++
/*
|
||
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
|
||
*
|
||
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
|
||
*
|
||
* Use of this source code is governed by MIT license that can be found in the
|
||
* LICENSE file in the root of the source tree. All contributing project authors
|
||
* may be found in the AUTHORS file in the root of the source tree.
|
||
*/
|
||
|
||
#include "MediaSource.h"
|
||
#include "Record/MP4Reader.h"
|
||
#include "Util/util.h"
|
||
#include "Network/sockutil.h"
|
||
#include "Network/TcpSession.h"
|
||
|
||
using namespace std;
|
||
using namespace toolkit;
|
||
|
||
namespace toolkit {
|
||
StatisticImp(mediakit::MediaSource);
|
||
}
|
||
|
||
namespace mediakit {
|
||
|
||
static recursive_mutex s_media_source_mtx;
|
||
static MediaSource::SchemaVhostAppStreamMap s_media_source_map;
|
||
|
||
string getOriginTypeString(MediaOriginType type){
|
||
#define SWITCH_CASE(type) case MediaOriginType::type : return #type
|
||
switch (type) {
|
||
SWITCH_CASE(unknown);
|
||
SWITCH_CASE(rtmp_push);
|
||
SWITCH_CASE(rtsp_push);
|
||
SWITCH_CASE(rtp_push);
|
||
SWITCH_CASE(pull);
|
||
SWITCH_CASE(ffmpeg_pull);
|
||
SWITCH_CASE(mp4_vod);
|
||
SWITCH_CASE(device_chn);
|
||
SWITCH_CASE(rtc_push);
|
||
default : return "unknown";
|
||
}
|
||
}
|
||
|
||
static string getOriginUrl_l(const MediaSource *thiz) {
|
||
if (thiz == MediaSource::NullMediaSource) {
|
||
return "";
|
||
}
|
||
return thiz->getSchema() + "://" + thiz->getVhost() + "/" + thiz->getApp() + "/" + thiz->getId();
|
||
}
|
||
|
||
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
|
||
MediaSource * const MediaSource::NullMediaSource = nullptr;
|
||
|
||
MediaSource::MediaSource(const string &schema, const string &vhost, const string &app, const string &stream_id){
|
||
GET_CONFIG(bool, enableVhost, General::kEnableVhost);
|
||
if (!enableVhost) {
|
||
_vhost = DEFAULT_VHOST;
|
||
} else {
|
||
_vhost = vhost.empty() ? DEFAULT_VHOST : vhost;
|
||
}
|
||
_schema = schema;
|
||
_app = app;
|
||
_stream_id = stream_id;
|
||
_create_stamp = time(NULL);
|
||
}
|
||
|
||
MediaSource::~MediaSource() {
|
||
unregist();
|
||
}
|
||
|
||
const string& MediaSource::getSchema() const {
|
||
return _schema;
|
||
}
|
||
|
||
const string& MediaSource::getVhost() const {
|
||
return _vhost;
|
||
}
|
||
|
||
const string& MediaSource::getApp() const {
|
||
//获取该源的id
|
||
return _app;
|
||
}
|
||
|
||
const string& MediaSource::getId() const {
|
||
return _stream_id;
|
||
}
|
||
|
||
std::shared_ptr<void> MediaSource::getOwnership() {
|
||
if (_owned.test_and_set()) {
|
||
//已经被所有
|
||
return nullptr;
|
||
}
|
||
weak_ptr<MediaSource> weak_self = shared_from_this();
|
||
//确保返回的Ownership智能指针不为空，0x01无实际意义
|
||
return std::shared_ptr<void>((void *) 0x01, [weak_self](void *ptr) {
|
||
auto strong_self = weak_self.lock();
|
||
if (strong_self) {
|
||
strong_self->_owned.clear();
|
||
}
|
||
});
|
||
}
|
||
|
||
int MediaSource::getBytesSpeed(TrackType type){
|
||
if(type == TrackInvalid){
|
||
return _speed[TrackVideo].getSpeed() + _speed[TrackAudio].getSpeed();
|
||
}
|
||
return _speed[type].getSpeed();
|
||
}
|
||
|
||
uint64_t MediaSource::getCreateStamp() const {
|
||
return _create_stamp;
|
||
}
|
||
|
||
uint64_t MediaSource::getAliveSecond() const {
|
||
//使用Ticker对象获取存活时间的目的是防止修改系统时间导致回退
|
||
return _ticker.createdTime() / 1000;
|
||
}
|
||
|
||
vector<Track::Ptr> MediaSource::getTracks(bool ready) const {
|
||
auto listener = _listener.lock();
|
||
if(!listener){
|
||
return vector<Track::Ptr>();
|
||
}
|
||
return listener->getMediaTracks(const_cast<MediaSource &>(*this), ready);
|
||
}
|
||
|
||
void MediaSource::setListener(const std::weak_ptr<MediaSourceEvent> &listener){
|
||
_listener = listener;
|
||
}
|
||
|
||
std::weak_ptr<MediaSourceEvent> MediaSource::getListener(bool next) const{
|
||
if (!next) {
|
||
return _listener;
|
||
}
|
||
auto listener = dynamic_pointer_cast<MediaSourceEventInterceptor>(_listener.lock());
|
||
if (!listener) {
|
||
//不是MediaSourceEventInterceptor对象或者对象已经销毁
|
||
return _listener;
|
||
}
|
||
//获取被拦截的对象
|
||
auto next_obj = listener->getDelegate();
|
||
//有则返回之
|
||
return next_obj ? next_obj : _listener;
|
||
}
|
||
|
||
int MediaSource::totalReaderCount(){
|
||
auto listener = _listener.lock();
|
||
if(!listener){
|
||
return readerCount();
|
||
}
|
||
return listener->totalReaderCount(*this);
|
||
}
|
||
|
||
MediaOriginType MediaSource::getOriginType() const {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return MediaOriginType::unknown;
|
||
}
|
||
return listener->getOriginType(const_cast<MediaSource &>(*this));
|
||
}
|
||
|
||
string MediaSource::getOriginUrl() const {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return getOriginUrl_l(this);
|
||
}
|
||
auto ret = listener->getOriginUrl(const_cast<MediaSource &>(*this));
|
||
if (!ret.empty()) {
|
||
return ret;
|
||
}
|
||
return getOriginUrl_l(this);
|
||
}
|
||
|
||
std::shared_ptr<SockInfo> MediaSource::getOriginSock() const {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return nullptr;
|
||
}
|
||
return listener->getOriginSock(const_cast<MediaSource &>(*this));
|
||
}
|
||
|
||
bool MediaSource::seekTo(uint32_t stamp) {
|
||
auto listener = _listener.lock();
|
||
if(!listener){
|
||
return false;
|
||
}
|
||
return listener->seekTo(*this, stamp);
|
||
}
|
||
|
||
bool MediaSource::pause(bool pause) {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return false;
|
||
}
|
||
return listener->pause(*this, pause);
|
||
}
|
||
|
||
bool MediaSource::speed(float speed) {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return false;
|
||
}
|
||
return listener->speed(*this, speed);
|
||
}
|
||
|
||
bool MediaSource::close(bool force) {
|
||
auto listener = _listener.lock();
|
||
if(!listener){
|
||
return false;
|
||
}
|
||
return listener->close(*this,force);
|
||
}
|
||
|
||
void MediaSource::onReaderChanged(int size) {
|
||
auto listener = _listener.lock();
|
||
if (listener) {
|
||
listener->onReaderChanged(*this, size);
|
||
}
|
||
}
|
||
|
||
bool MediaSource::setupRecord(Recorder::type type, bool start, const string &custom_path, size_t max_second){
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
WarnL << "未设置MediaSource的事件监听者，setupRecord失败:" << getSchema() << "/" << getVhost() << "/" << getApp() << "/" << getId();
|
||
return false;
|
||
}
|
||
return listener->setupRecord(*this, type, start, custom_path, max_second);
|
||
}
|
||
|
||
bool MediaSource::isRecording(Recorder::type type){
|
||
auto listener = _listener.lock();
|
||
if(!listener){
|
||
return false;
|
||
}
|
||
return listener->isRecording(*this, type);
|
||
}
|
||
|
||
void MediaSource::startSendRtp(const string &dst_url, uint16_t dst_port, const string &ssrc, bool is_udp, uint16_t src_port, const function<void(uint16_t local_port, const SockException &ex)> &cb,uint8_t pt, bool use_ps,bool only_audio){
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
cb(0, SockException(Err_other, "尚未设置事件监听器"));
|
||
return;
|
||
}
|
||
return listener->startSendRtp(*this, dst_url, dst_port, ssrc, is_udp, src_port, cb, use_ps, only_audio);
|
||
}
|
||
|
||
bool MediaSource::stopSendRtp(const string &ssrc) {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return false;
|
||
}
|
||
return listener->stopSendRtp(*this, ssrc);
|
||
}
|
||
|
||
template<typename MAP, typename LIST, typename First, typename ...KeyTypes>
|
||
static void for_each_media_l(const MAP &map, LIST &list, const First &first, const KeyTypes &...keys) {
|
||
if (first.empty()) {
|
||
for (auto &pr : map) {
|
||
for_each_media_l(pr.second, list, keys...);
|
||
}
|
||
return;
|
||
}
|
||
auto it = map.find(first);
|
||
if (it != map.end()) {
|
||
for_each_media_l(it->second, list, keys...);
|
||
}
|
||
}
|
||
|
||
template<typename LIST, typename Ptr>
|
||
static void emplace_back(LIST &list, const Ptr &ptr) {
|
||
auto src = ptr.lock();
|
||
if (src) {
|
||
list.emplace_back(std::move(src));
|
||
}
|
||
}
|
||
|
||
template<typename MAP, typename LIST, typename First>
|
||
static void for_each_media_l(const MAP &map, LIST &list, const First &first) {
|
||
if (first.empty()) {
|
||
for (auto &pr : map) {
|
||
emplace_back(list, pr.second);
|
||
}
|
||
return;
|
||
}
|
||
auto it = map.find(first);
|
||
if (it != map.end()) {
|
||
emplace_back(list, it->second);
|
||
}
|
||
}
|
||
|
||
void MediaSource::for_each_media(const function<void(const Ptr &src)> &cb,
|
||
const string &schema,
|
||
const string &vhost,
|
||
const string &app,
|
||
const string &stream) {
|
||
deque<Ptr> src_list;
|
||
{
|
||
lock_guard<recursive_mutex> lock(s_media_source_mtx);
|
||
for_each_media_l(s_media_source_map, src_list, schema, vhost, app, stream);
|
||
}
|
||
for (auto &src : src_list) {
|
||
cb(src);
|
||
}
|
||
}
|
||
|
||
static MediaSource::Ptr find_l(const string &schema, const string &vhost_in, const string &app, const string &id, bool from_mp4) {
|
||
string vhost = vhost_in;
|
||
GET_CONFIG(bool,enableVhost,General::kEnableVhost);
|
||
if(vhost.empty() || !enableVhost){
|
||
vhost = DEFAULT_VHOST;
|
||
}
|
||
|
||
if (app.empty() || id.empty()) {
|
||
//如果未指定app与stream id，那么就是遍历而非查找，所以应该返回查找失败
|
||
return nullptr;
|
||
}
|
||
|
||
MediaSource::Ptr ret;
|
||
MediaSource::for_each_media([&](const MediaSource::Ptr &src) { ret = std::move(const_cast<MediaSource::Ptr &>(src)); }, schema, vhost, app, id);
|
||
|
||
if(!ret && from_mp4 && schema != HLS_SCHEMA){
|
||
//未查找媒体源，则读取mp4创建一个
|
||
//播放hls不触发mp4点播(因为HLS也可以用于录像，不是纯粹的直播)
|
||
ret = MediaSource::createFromMP4(schema, vhost, app, id);
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
static void findAsync_l(const MediaInfo &info, const std::shared_ptr<Session> &session, bool retry,
|
||
const function<void(const MediaSource::Ptr &src)> &cb){
|
||
auto src = find_l(info._schema, info._vhost, info._app, info._streamid, true);
|
||
if (src || !retry) {
|
||
cb(src);
|
||
return;
|
||
}
|
||
|
||
GET_CONFIG(int, maxWaitMS, General::kMaxStreamWaitTimeMS);
|
||
void *listener_tag = session.get();
|
||
auto poller = session->getPoller();
|
||
std::shared_ptr<atomic_flag> invoked(new atomic_flag{false});
|
||
auto cb_once = [cb, invoked](const MediaSource::Ptr &src) {
|
||
if (invoked->test_and_set()) {
|
||
//回调已经执行过了
|
||
return;
|
||
}
|
||
cb(src);
|
||
};
|
||
|
||
auto on_timeout = poller->doDelayTask(maxWaitMS, [cb_once, listener_tag]() {
|
||
//最多等待一定时间，如果这个时间内，流未注册上，那么返回未找到流
|
||
NoticeCenter::Instance().delListener(listener_tag, Broadcast::kBroadcastMediaChanged);
|
||
cb_once(nullptr);
|
||
return 0;
|
||
});
|
||
|
||
auto cancel_all = [on_timeout, listener_tag]() {
|
||
//取消延时任务，防止多次回调
|
||
on_timeout->cancel();
|
||
//取消媒体注册事件监听
|
||
NoticeCenter::Instance().delListener(listener_tag, Broadcast::kBroadcastMediaChanged);
|
||
};
|
||
|
||
weak_ptr<Session> weak_session = session;
|
||
auto on_register = [weak_session, info, cb_once, cancel_all, poller](BroadcastMediaChangedArgs) {
|
||
if (!bRegist ||
|
||
sender.getSchema() != info._schema ||
|
||
sender.getVhost() != info._vhost ||
|
||
sender.getApp() != info._app ||
|
||
sender.getId() != info._streamid) {
|
||
//不是自己感兴趣的事件，忽略之
|
||
return;
|
||
}
|
||
poller->async([weak_session, cancel_all, info, cb_once]() {
|
||
cancel_all();
|
||
auto strong_session = weak_session.lock();
|
||
if (!strong_session) {
|
||
//自己已经销毁
|
||
return;
|
||
}
|
||
//播发器请求的流终于注册上了，切换到自己的线程再回复
|
||
DebugL << "收到媒体注册事件,回复播放器:" << info._schema << "/" << info._vhost << "/" << info._app << "/" << info._streamid;
|
||
//再找一遍媒体源，一般能找到
|
||
findAsync_l(info, strong_session, false, cb_once);
|
||
}, false);
|
||
};
|
||
|
||
//监听媒体注册事件
|
||
NoticeCenter::Instance().addListener(listener_tag, Broadcast::kBroadcastMediaChanged, on_register);
|
||
|
||
function<void()> close_player = [cb_once, cancel_all, poller]() {
|
||
poller->async([cancel_all, cb_once]() {
|
||
cancel_all();
|
||
//告诉播放器，流不存在，这样会立即断开播放器
|
||
cb_once(nullptr);
|
||
});
|
||
};
|
||
//广播未找到流,此时可以立即去拉流，这样还来得及
|
||
NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastNotFoundStream, info, static_cast<SockInfo &>(*session), close_player);
|
||
}
|
||
|
||
void MediaSource::findAsync(const MediaInfo &info, const std::shared_ptr<Session> &session, const function<void (const Ptr &)> &cb) {
|
||
return findAsync_l(info, session, true, cb);
|
||
}
|
||
|
||
MediaSource::Ptr MediaSource::find(const string &schema, const string &vhost, const string &app, const string &id, bool from_mp4) {
|
||
return find_l(schema, vhost, app, id, from_mp4);
|
||
}
|
||
|
||
MediaSource::Ptr MediaSource::find(const string &vhost, const string &app, const string &stream_id, bool from_mp4) {
|
||
auto src = MediaSource::find(RTMP_SCHEMA, vhost, app, stream_id, from_mp4);
|
||
if (src) {
|
||
return src;
|
||
}
|
||
src = MediaSource::find(RTSP_SCHEMA, vhost, app, stream_id, from_mp4);
|
||
if (src) {
|
||
return src;
|
||
}
|
||
return MediaSource::find(HLS_SCHEMA, vhost, app, stream_id, from_mp4);
|
||
}
|
||
|
||
void MediaSource::emitEvent(bool regist){
|
||
auto listener = _listener.lock();
|
||
if (listener) {
|
||
//触发回调
|
||
listener->onRegist(*this, regist);
|
||
}
|
||
//触发广播
|
||
NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged, regist, *this);
|
||
InfoL << (regist ? "媒体注册:" : "媒体注销:") << _schema << " " << _vhost << " " << _app << " " << _stream_id;
|
||
}
|
||
|
||
void MediaSource::regist() {
|
||
{
|
||
//减小互斥锁临界区
|
||
lock_guard<recursive_mutex> lock(s_media_source_mtx);
|
||
auto &ref = s_media_source_map[_schema][_vhost][_app][_stream_id];
|
||
auto src = ref.lock();
|
||
if (src) {
|
||
if (src.get() == this) {
|
||
return;
|
||
}
|
||
//增加判断, 防止当前流已注册时再次注册
|
||
throw std::invalid_argument("media source already existed:" + _schema + "/" + _vhost + "/" + _app + "/" + _stream_id);
|
||
}
|
||
ref = shared_from_this();
|
||
}
|
||
emitEvent(true);
|
||
}
|
||
|
||
template<typename MAP, typename First, typename ...KeyTypes>
|
||
static bool erase_media_source(bool &hit, const MediaSource *thiz, MAP &map, const First &first, const KeyTypes &...keys) {
|
||
auto it = map.find(first);
|
||
if (it != map.end() && erase_media_source(hit, thiz, it->second, keys...)) {
|
||
map.erase(it);
|
||
}
|
||
return map.empty();
|
||
}
|
||
|
||
template<typename MAP, typename First>
|
||
static bool erase_media_source(bool &hit, const MediaSource *thiz, MAP &map, const First &first) {
|
||
auto it = map.find(first);
|
||
if (it != map.end()) {
|
||
auto src = it->second.lock();
|
||
if (!src || src.get() == thiz) {
|
||
//对象已经销毁或者对象就是自己，那么移除之
|
||
map.erase(it);
|
||
hit = true;
|
||
}
|
||
}
|
||
return map.empty();
|
||
}
|
||
|
||
//反注册该源
|
||
bool MediaSource::unregist() {
|
||
bool ret = false;
|
||
{
|
||
//减小互斥锁临界区
|
||
lock_guard<recursive_mutex> lock(s_media_source_mtx);
|
||
erase_media_source(ret, this, s_media_source_map, _schema, _vhost, _app, _stream_id);
|
||
}
|
||
|
||
if (ret) {
|
||
emitEvent(false);
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
/////////////////////////////////////MediaInfo//////////////////////////////////////
|
||
|
||
void MediaInfo::parse(const string &url_in){
|
||
_full_url = url_in;
|
||
string url = url_in;
|
||
auto pos = url.find("?");
|
||
if (pos != string::npos) {
|
||
_param_strs = url.substr(pos + 1);
|
||
url.erase(pos);
|
||
}
|
||
|
||
auto schema_pos = url.find("://");
|
||
if (schema_pos != string::npos) {
|
||
_schema = url.substr(0, schema_pos);
|
||
} else {
|
||
schema_pos = -3;
|
||
}
|
||
auto split_vec = split(url.substr(schema_pos + 3), "/");
|
||
if (split_vec.size() > 0) {
|
||
auto vhost = split_vec[0];
|
||
auto pos = vhost.find(":");
|
||
if (pos != string::npos) {
|
||
_host = _vhost = vhost.substr(0, pos);
|
||
_port = vhost.substr(pos + 1);
|
||
} else {
|
||
_host = _vhost = vhost;
|
||
}
|
||
if (_vhost == "localhost" || INADDR_NONE != inet_addr(_vhost.data())) {
|
||
//如果访问的是localhost或ip，那么则为默认虚拟主机
|
||
_vhost = DEFAULT_VHOST;
|
||
}
|
||
}
|
||
if (split_vec.size() > 1) {
|
||
_app = split_vec[1];
|
||
}
|
||
if (split_vec.size() > 2) {
|
||
string stream_id;
|
||
for (size_t i = 2; i < split_vec.size(); ++i) {
|
||
stream_id.append(split_vec[i] + "/");
|
||
}
|
||
if (stream_id.back() == '/') {
|
||
stream_id.pop_back();
|
||
}
|
||
_streamid = stream_id;
|
||
}
|
||
|
||
auto params = Parser::parseArgs(_param_strs);
|
||
if (params.find(VHOST_KEY) != params.end()) {
|
||
_vhost = params[VHOST_KEY];
|
||
}
|
||
|
||
GET_CONFIG(bool, enableVhost, General::kEnableVhost);
|
||
if (!enableVhost || _vhost.empty()) {
|
||
//如果关闭虚拟主机或者虚拟主机为空，则设置虚拟主机为默认
|
||
_vhost = DEFAULT_VHOST;
|
||
}
|
||
}
|
||
|
||
MediaSource::Ptr MediaSource::createFromMP4(const string &schema, const string &vhost, const string &app, const string &stream, const string &file_path , bool check_app){
|
||
GET_CONFIG(string, appName, Record::kAppName);
|
||
if (check_app && app != appName) {
|
||
return nullptr;
|
||
}
|
||
#ifdef ENABLE_MP4
|
||
try {
|
||
MP4Reader::Ptr pReader(new MP4Reader(vhost, app, stream, file_path));
|
||
pReader->startReadMP4();
|
||
return MediaSource::find(schema, vhost, app, stream);
|
||
} catch (std::exception &ex) {
|
||
WarnL << ex.what();
|
||
return nullptr;
|
||
}
|
||
#else
|
||
WarnL << "创建MP4点播失败，请编译时打开\"ENABLE_MP4\"选项";
|
||
return nullptr;
|
||
#endif //ENABLE_MP4
|
||
}
|
||
|
||
/////////////////////////////////////MediaSourceEvent//////////////////////////////////////
|
||
|
||
void MediaSourceEvent::onReaderChanged(MediaSource &sender, int size){
|
||
if (size || totalReaderCount(sender)) {
|
||
//还有人观看该视频，不触发关闭事件
|
||
_async_close_timer = nullptr;
|
||
return;
|
||
}
|
||
//没有任何人观看该视频源，表明该源可以关闭了
|
||
GET_CONFIG(string, record_app, Record::kAppName);
|
||
GET_CONFIG(int, stream_none_reader_delay, General::kStreamNoneReaderDelayMS);
|
||
//如果mp4点播, 无人观看时我们强制关闭点播
|
||
bool is_mp4_vod = sender.getApp() == record_app;
|
||
weak_ptr<MediaSource> weak_sender = sender.shared_from_this();
|
||
|
||
_async_close_timer = std::make_shared<Timer>(stream_none_reader_delay / 1000.0f, [weak_sender, is_mp4_vod]() {
|
||
auto strong_sender = weak_sender.lock();
|
||
if (!strong_sender) {
|
||
//对象已经销毁
|
||
return false;
|
||
}
|
||
|
||
if (strong_sender->totalReaderCount()) {
|
||
//还有人观看该视频，不触发关闭事件
|
||
return false;
|
||
}
|
||
|
||
if (!is_mp4_vod) {
|
||
//直播时触发无人观看事件，让开发者自行选择是否关闭
|
||
NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastStreamNoneReader, *strong_sender);
|
||
} else {
|
||
//这个是mp4点播，我们自动关闭
|
||
WarnL << "MP4点播无人观看,自动关闭:"
|
||
<< strong_sender->getSchema() << "/"
|
||
<< strong_sender->getVhost() << "/"
|
||
<< strong_sender->getApp() << "/"
|
||
<< strong_sender->getId();
|
||
strong_sender->close(false);
|
||
}
|
||
return false;
|
||
}, nullptr);
|
||
}
|
||
|
||
string MediaSourceEvent::getOriginUrl(MediaSource &sender) const {
|
||
return getOriginUrl_l(&sender);
|
||
}
|
||
|
||
MediaOriginType MediaSourceEventInterceptor::getOriginType(MediaSource &sender) const {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return MediaOriginType::unknown;
|
||
}
|
||
return listener->getOriginType(sender);
|
||
}
|
||
|
||
string MediaSourceEventInterceptor::getOriginUrl(MediaSource &sender) const {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return MediaSourceEvent::getOriginUrl(sender);
|
||
}
|
||
auto ret = listener->getOriginUrl(sender);
|
||
if (!ret.empty()) {
|
||
return ret;
|
||
}
|
||
return MediaSourceEvent::getOriginUrl(sender);
|
||
}
|
||
|
||
std::shared_ptr<SockInfo> MediaSourceEventInterceptor::getOriginSock(MediaSource &sender) const {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return nullptr;
|
||
}
|
||
return listener->getOriginSock(sender);
|
||
}
|
||
|
||
bool MediaSourceEventInterceptor::seekTo(MediaSource &sender, uint32_t stamp) {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return false;
|
||
}
|
||
return listener->seekTo(sender, stamp);
|
||
}
|
||
|
||
bool MediaSourceEventInterceptor::pause(MediaSource &sender, bool pause) {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return false;
|
||
}
|
||
return listener->pause(sender, pause);
|
||
}
|
||
|
||
bool MediaSourceEventInterceptor::speed(MediaSource &sender, float speed) {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return false;
|
||
}
|
||
return listener->speed(sender, speed);
|
||
}
|
||
|
||
bool MediaSourceEventInterceptor::close(MediaSource &sender, bool force) {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return false;
|
||
}
|
||
return listener->close(sender, force);
|
||
}
|
||
|
||
int MediaSourceEventInterceptor::totalReaderCount(MediaSource &sender) {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return sender.readerCount();
|
||
}
|
||
return listener->totalReaderCount(sender);
|
||
}
|
||
|
||
void MediaSourceEventInterceptor::onReaderChanged(MediaSource &sender, int size) {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
MediaSourceEvent::onReaderChanged(sender, size);
|
||
} else {
|
||
listener->onReaderChanged(sender, size);
|
||
}
|
||
}
|
||
|
||
void MediaSourceEventInterceptor::onRegist(MediaSource &sender, bool regist) {
|
||
auto listener = _listener.lock();
|
||
if (listener) {
|
||
listener->onRegist(sender, regist);
|
||
}
|
||
}
|
||
|
||
bool MediaSourceEventInterceptor::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path, size_t max_second) {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return false;
|
||
}
|
||
return listener->setupRecord(sender, type, start, custom_path, max_second);
|
||
}
|
||
|
||
bool MediaSourceEventInterceptor::isRecording(MediaSource &sender, Recorder::type type) {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return false;
|
||
}
|
||
return listener->isRecording(sender, type);
|
||
}
|
||
|
||
vector<Track::Ptr> MediaSourceEventInterceptor::getMediaTracks(MediaSource &sender, bool trackReady) const {
|
||
auto listener = _listener.lock();
|
||
if (!listener) {
|
||
return vector<Track::Ptr>();
|
||
}
|
||
return listener->getMediaTracks(sender, trackReady);
|
||
}
|
||
|
||
void MediaSourceEventInterceptor::startSendRtp(MediaSource &sender, const string &dst_url, uint16_t dst_port, const string &ssrc, bool is_udp, uint16_t src_port, const function<void(uint16_t local_port, const SockException &ex)> &cb, uint8_t pt, bool use_ps,bool only_audio ){
|
||
auto listener = _listener.lock();
|
||
if (listener) {
|
||
listener->startSendRtp(sender, dst_url, dst_port, ssrc, is_udp, src_port, cb, pt, use_ps, only_audio);
|
||
} else {
|
||
MediaSourceEvent::startSendRtp(sender, dst_url, dst_port, ssrc, is_udp, src_port, cb, pt, use_ps, only_audio);
|
||
}
|
||
}
|
||
|
||
bool MediaSourceEventInterceptor::stopSendRtp(MediaSource &sender, const string &ssrc){
|
||
auto listener = _listener.lock();
|
||
if (listener) {
|
||
return listener->stopSendRtp(sender, ssrc);
|
||
}
|
||
return false;
|
||
}
|
||
|
||
void MediaSourceEventInterceptor::setDelegate(const std::weak_ptr<MediaSourceEvent> &listener) {
|
||
if (listener.lock().get() == this) {
|
||
throw std::invalid_argument("can not set self as a delegate");
|
||
}
|
||
_listener = listener;
|
||
}
|
||
|
||
std::shared_ptr<MediaSourceEvent> MediaSourceEventInterceptor::getDelegate() const{
|
||
return _listener.lock();
|
||
}
|
||
|
||
/////////////////////////////////////FlushPolicy//////////////////////////////////////
|
||
|
||
static bool isFlushAble_default(bool is_video, uint64_t last_stamp, uint64_t new_stamp, size_t cache_size) {
|
||
if (new_stamp + 500 < last_stamp) {
|
||
//时间戳回退比较大(可能seek中)，由于rtp中时间戳是pts，是可能存在一定程度的回退的
|
||
return true;
|
||
}
|
||
|
||
//时间戳发送变化或者缓存超过1024个,sendmsg接口一般最多只能发送1024个数据包
|
||
return last_stamp != new_stamp || cache_size >= 1024;
|
||
}
|
||
|
||
static bool isFlushAble_merge(bool is_video, uint64_t last_stamp, uint64_t new_stamp, size_t cache_size, int merge_ms) {
|
||
if (new_stamp + 500 < last_stamp) {
|
||
//时间戳回退比较大(可能seek中)，由于rtp中时间戳是pts，是可能存在一定程度的回退的
|
||
return true;
|
||
}
|
||
|
||
if (new_stamp > last_stamp + merge_ms) {
|
||
//时间戳增量超过合并写阈值
|
||
return true;
|
||
}
|
||
|
||
//缓存数超过1024个,这个逻辑用于避免时间戳异常的流导致的内存暴增问题
|
||
//而且sendmsg接口一般最多只能发送1024个数据包
|
||
return cache_size >= 1024;
|
||
}
|
||
|
||
bool FlushPolicy::isFlushAble(bool is_video, bool is_key, uint64_t new_stamp, size_t cache_size) {
|
||
bool flush_flag = false;
|
||
if (is_key && is_video) {
|
||
//遇到关键帧flush掉前面的数据，确保关键帧为该组数据的第一帧，确保GOP缓存有效
|
||
flush_flag = true;
|
||
} else {
|
||
GET_CONFIG(int, mergeWriteMS, General::kMergeWriteMS);
|
||
if (mergeWriteMS <= 0) {
|
||
//关闭了合并写或者合并写阈值小于等于0
|
||
flush_flag = isFlushAble_default(is_video, _last_stamp[is_video], new_stamp, cache_size);
|
||
} else {
|
||
flush_flag = isFlushAble_merge(is_video, _last_stamp[is_video], new_stamp, cache_size, mergeWriteMS);
|
||
}
|
||
}
|
||
|
||
if (flush_flag) {
|
||
_last_stamp[is_video] = new_stamp;
|
||
}
|
||
return flush_flag;
|
||
}
|
||
|
||
} /* namespace mediakit */ |