ZLMediaKit/src/Record/HlsMediaSource.cpp
2023-12-09 16:23:51 +08:00

115 lines
3.5 KiB
C++

/*
* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
*
* Use of this source code is governed by MIT-like 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 "HlsMediaSource.h"
#include "Common/config.h"
using namespace toolkit;
namespace mediakit {
HlsCookieData::HlsCookieData(const MediaInfo &info, const std::shared_ptr<SockInfo> &sock_info) {
_info = info;
_sock_info = sock_info;
_added = std::make_shared<bool>(false);
addReaderCount();
}
void HlsCookieData::addReaderCount() {
if (!*_added) {
auto src = getMediaSource();
if (src) {
*_added = true;
_ring_reader = src->getRing()->attach(EventPollerPool::Instance().getPoller());
auto added = _added;
_ring_reader->setDetachCB([added]() {
// HlsMediaSource已经销毁
*added = false;
});
auto info = _sock_info;
_ring_reader->setGetInfoCB([info]() {
Any ret;
ret.set(info);
return ret;
});
}
}
}
HlsCookieData::~HlsCookieData() {
if (*_added) {
uint64_t duration = (_ticker.createdTime() - _ticker.elapsedTime()) / 1000;
WarnL << _sock_info->getIdentifier() << "(" << _sock_info->get_peer_ip() << ":" << _sock_info->get_peer_port()
<< ") " << "HLS播放器(" << _info.shortUrl() << ")断开,耗时(s):" << duration;
GET_CONFIG(uint32_t, iFlowThreshold, General::kFlowThreshold);
uint64_t bytes = _bytes.load();
if (bytes >= iFlowThreshold * 1024) {
try {
NOTICE_EMIT(BroadcastFlowReportArgs, Broadcast::kBroadcastFlowReport, _info, bytes, duration, true, *_sock_info);
} catch (std::exception &ex) {
WarnL << "Exception occurred: " << ex.what();
}
}
}
}
void HlsCookieData::addByteUsage(size_t bytes) {
addReaderCount();
_bytes += bytes;
_ticker.resetTime();
}
void HlsCookieData::setMediaSource(const HlsMediaSource::Ptr &src) {
_src = src;
}
HlsMediaSource::Ptr HlsCookieData::getMediaSource() const {
return _src.lock();
}
void HlsMediaSource::setIndexFile(std::string index_file)
{
if (!_ring) {
std::weak_ptr<HlsMediaSource> weakSelf = std::static_pointer_cast<HlsMediaSource>(shared_from_this());
auto lam = [weakSelf](int size) {
auto strongSelf = weakSelf.lock();
if (!strongSelf) {
return;
}
strongSelf->onReaderChanged(size);
};
_ring = std::make_shared<RingType>(0, std::move(lam));
regist();
}
//赋值m3u8索引文件内容
std::lock_guard<std::mutex> lck(_mtx_index);
_index_file = std::move(index_file);
if (!_index_file.empty()) {
_list_cb.for_each([&](const std::function<void(const std::string& str)>& cb) { cb(_index_file); });
_list_cb.clear();
}
}
void HlsMediaSource::getIndexFile(std::function<void(const std::string& str)> cb)
{
std::lock_guard<std::mutex> lck(_mtx_index);
if (!_index_file.empty()) {
cb(_index_file);
return;
}
//等待生成m3u8文件
_list_cb.emplace_back(std::move(cb));
}
} // namespace mediakit