mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 19:20:53 +08:00
405 lines
14 KiB
C++
405 lines
14 KiB
C++
/*
|
||
* MIT License
|
||
*
|
||
* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
|
||
*
|
||
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
|
||
*
|
||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
* of this software and associated documentation files (the "Software"), to deal
|
||
* in the Software without restriction, including without limitation the rights
|
||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
* copies of the Software, and to permit persons to whom the Software is
|
||
* furnished to do so, subject to the following conditions:
|
||
*
|
||
* The above copyright notice and this permission notice shall be included in all
|
||
* copies or substantial portions of the Software.
|
||
*
|
||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
* SOFTWARE.
|
||
*/
|
||
|
||
#include "Recorder.h"
|
||
#include "Common/config.h"
|
||
#include "Common/MediaSource.h"
|
||
#include "MP4Recorder.h"
|
||
#include "HlsRecorder.h"
|
||
|
||
using namespace toolkit;
|
||
|
||
namespace mediakit {
|
||
|
||
string Recorder::getRecordPath(Recorder::type type, const string &vhost, const string &app, const string &stream_id, const string &customized_path) {
|
||
GET_CONFIG(bool, enableVhost, General::kEnableVhost);
|
||
switch (type) {
|
||
case Recorder::type_hls: {
|
||
GET_CONFIG(string, hlsPath, Hls::kFilePath);
|
||
string m3u8FilePath;
|
||
if (enableVhost) {
|
||
m3u8FilePath = vhost + "/" + app + "/" + stream_id + "/hls.m3u8";
|
||
} else {
|
||
m3u8FilePath = app + "/" + stream_id + "/hls.m3u8";
|
||
}
|
||
//Here we use the customized file path.
|
||
if (!customized_path.empty()) {
|
||
m3u8FilePath = customized_path + "/hls.m3u8";
|
||
}
|
||
return File::absolutePath(m3u8FilePath, hlsPath);
|
||
}
|
||
case Recorder::type_mp4: {
|
||
GET_CONFIG(string, recordPath, Record::kFilePath);
|
||
GET_CONFIG(string, recordAppName, Record::kAppName);
|
||
string mp4FilePath;
|
||
if (enableVhost) {
|
||
mp4FilePath = vhost + "/" + recordAppName + "/" + app + "/" + stream_id + "/";
|
||
} else {
|
||
mp4FilePath = recordAppName + "/" + app + "/" + stream_id + "/";
|
||
}
|
||
//Here we use the customized file path.
|
||
if (!customized_path.empty()) {
|
||
mp4FilePath = customized_path + "/";
|
||
}
|
||
return File::absolutePath(mp4FilePath, recordPath);
|
||
}
|
||
default:
|
||
return "";
|
||
}
|
||
}
|
||
////////////////////////////////////////////////////////////////////////////////////////
|
||
|
||
class RecorderHelper {
|
||
public:
|
||
typedef std::shared_ptr<RecorderHelper> Ptr;
|
||
|
||
/**
|
||
* 构建函数
|
||
* @param bContinueRecord false表明hls录制从头开始录制(意味着hls临时文件在媒体反注册时会被删除)
|
||
*/
|
||
RecorderHelper(const MediaSinkInterface::Ptr &recorder, bool bContinueRecord) {
|
||
_recorder = recorder;
|
||
_continueRecord = bContinueRecord;
|
||
}
|
||
|
||
~RecorderHelper() {
|
||
resetTracks();
|
||
}
|
||
|
||
// 附则于track上
|
||
void attachTracks(vector<Track::Ptr> &&tracks, const string &schema){
|
||
if(isTracksSame(tracks)){
|
||
return;
|
||
}
|
||
resetTracks();
|
||
_tracks = std::move(tracks);
|
||
_schema = schema;
|
||
for (auto &track : _tracks) {
|
||
_recorder->addTrack(track);
|
||
track->addDelegate(_recorder);
|
||
}
|
||
}
|
||
|
||
|
||
// 判断新的tracks是否与之前的一致
|
||
bool isTracksSame(const vector<Track::Ptr> &tracks){
|
||
if(tracks.size() != _tracks.size()) {
|
||
return false;
|
||
}
|
||
int i = 0;
|
||
for(auto &track : tracks){
|
||
if(track != _tracks[i++]){
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
// 重置所有track
|
||
void resetTracks(){
|
||
if(_tracks.empty()){
|
||
return;
|
||
}
|
||
for (auto &track : _tracks) {
|
||
track->delDelegate(_recorder.get());
|
||
}
|
||
_tracks.clear();
|
||
_recorder->resetTracks();
|
||
}
|
||
|
||
// 返回false表明hls录制从头开始录制(意味着hls临时文件在媒体反注册时会被删除)
|
||
bool continueRecord(){
|
||
return _continueRecord;
|
||
}
|
||
|
||
bool isRecording() {
|
||
return !_tracks.empty();
|
||
}
|
||
|
||
const string &getSchema() const{
|
||
return _schema;
|
||
}
|
||
|
||
const MediaSinkInterface::Ptr& getRecorder() const{
|
||
return _recorder;
|
||
}
|
||
private:
|
||
MediaSinkInterface::Ptr _recorder;
|
||
vector<Track::Ptr> _tracks;
|
||
bool _continueRecord;
|
||
string _schema;
|
||
};
|
||
|
||
|
||
template<Recorder::type type>
|
||
class MediaSourceWatcher {
|
||
public:
|
||
static MediaSourceWatcher& Instance(){
|
||
static MediaSourceWatcher instance;
|
||
return instance;
|
||
}
|
||
|
||
Recorder::status getRecordStatus(const string &vhost, const string &app, const string &stream_id) {
|
||
return getRecordStatus_l(getRecorderKey(vhost, app, stream_id));
|
||
}
|
||
|
||
MediaSinkInterface::Ptr getRecorder(const string &vhost, const string &app, const string &stream_id) const{
|
||
auto key = getRecorderKey(vhost, app, stream_id);
|
||
lock_guard<decltype(_recorder_mtx)> lck(_recorder_mtx);
|
||
auto it = _recorder_map.find(key);
|
||
if (it == _recorder_map.end()) {
|
||
return nullptr;
|
||
}
|
||
return it->second->getRecorder();
|
||
}
|
||
|
||
int startRecord(const string &vhost, const string &app, const string &stream_id, const string &customized_path, bool waitForRecord, bool continueRecord) {
|
||
auto key = getRecorderKey(vhost, app, stream_id);
|
||
lock_guard<decltype(_recorder_mtx)> lck(_recorder_mtx);
|
||
if (getRecordStatus_l(key) != Recorder::status_not_record) {
|
||
// 已经在录制了
|
||
return 0;
|
||
}
|
||
|
||
auto src = findMediaSource(vhost, app, stream_id);
|
||
if (!waitForRecord && !src) {
|
||
// 暂时无法开启录制
|
||
return -1;
|
||
}
|
||
|
||
auto recorder = Recorder::createRecorder(type, vhost, app, stream_id, customized_path);
|
||
if (!recorder) {
|
||
// 创建录制器失败
|
||
WarnL << "不支持该录制类型:" << type;
|
||
return -2;
|
||
}
|
||
auto helper = std::make_shared<RecorderHelper>(recorder, continueRecord);
|
||
if(src){
|
||
auto tracks = src->getTracks(needTrackReady());
|
||
if(tracks.size()){
|
||
helper->attachTracks(std::move(tracks),src->getSchema());
|
||
}
|
||
auto hls_recorder = dynamic_pointer_cast<HlsRecorder>(recorder);
|
||
if(hls_recorder){
|
||
hls_recorder->getMediaSource()->setListener(src->getListener());
|
||
}
|
||
}
|
||
|
||
_recorder_map[key] = std::move(helper);
|
||
return 0;
|
||
}
|
||
|
||
bool stopRecord(const string &vhost, const string &app, const string &stream_id) {
|
||
lock_guard<decltype(_recorder_mtx)> lck(_recorder_mtx);
|
||
return _recorder_map.erase(getRecorderKey(vhost, app, stream_id));
|
||
}
|
||
|
||
void stopAll(){
|
||
lock_guard<decltype(_recorder_mtx)> lck(_recorder_mtx);
|
||
_recorder_map.clear();
|
||
}
|
||
|
||
private:
|
||
MediaSourceWatcher(){
|
||
//保存NoticeCenter的强引用，防止在MediaSourceWatcher单例释放前释放NoticeCenter单例
|
||
_notice_center = NoticeCenter::Instance().shared_from_this();
|
||
_notice_center->addListener(this,Broadcast::kBroadcastMediaChanged,[this](BroadcastMediaChangedArgs){
|
||
if(!bRegist){
|
||
removeRecorder(sender);
|
||
}
|
||
});
|
||
_notice_center->addListener(this,Broadcast::kBroadcastMediaResetTracks,[this](BroadcastMediaResetTracksArgs){
|
||
addRecorder(sender);
|
||
});
|
||
}
|
||
|
||
~MediaSourceWatcher(){
|
||
_notice_center->delListener(this,Broadcast::kBroadcastMediaChanged);
|
||
_notice_center->delListener(this,Broadcast::kBroadcastMediaResetTracks);
|
||
}
|
||
|
||
void addRecorder(MediaSource &sender){
|
||
auto tracks = sender.getTracks(needTrackReady());
|
||
auto key = getRecorderKey(sender.getVhost(),sender.getApp(),sender.getId());
|
||
lock_guard<decltype(_recorder_mtx)> lck(_recorder_mtx);
|
||
auto it = _recorder_map.find(key);
|
||
if(it == _recorder_map.end()){
|
||
// 录像记录不存在
|
||
return;
|
||
}
|
||
|
||
if(!it->second->isRecording() || it->second->getSchema() == sender.getSchema()){
|
||
// 绑定的协议一致或者并未正在录制则替换tracks
|
||
if (!tracks.empty()) {
|
||
it->second->attachTracks(std::move(tracks),sender.getSchema());
|
||
}
|
||
}
|
||
}
|
||
|
||
void removeRecorder(MediaSource &sender){
|
||
auto key = getRecorderKey(sender.getVhost(),sender.getApp(),sender.getId());
|
||
lock_guard<decltype(_recorder_mtx)> lck(_recorder_mtx);
|
||
auto it = _recorder_map.find(key);
|
||
if(it == _recorder_map.end() || it->second->getSchema() != sender.getSchema()){
|
||
// 录像记录不存在或绑定的协议不一致
|
||
return;
|
||
}
|
||
|
||
if(it->second->continueRecord()){
|
||
// 如果可以继续录制，那么只重置tracks,不删除对象
|
||
it->second->resetTracks();
|
||
}else{
|
||
// 删除对象(意味着可能删除hls临时文件)
|
||
_recorder_map.erase(it);
|
||
}
|
||
}
|
||
|
||
Recorder::status getRecordStatus_l(const string &key) {
|
||
auto it = _recorder_map.find(key);
|
||
if (it == _recorder_map.end()) {
|
||
return Recorder::status_not_record;
|
||
}
|
||
return it->second->isRecording() ? Recorder::status_recording : Recorder::status_wait_record;
|
||
}
|
||
|
||
// 查找MediaSource以便录制
|
||
MediaSource::Ptr findMediaSource(const string &vhost, const string &app, const string &stream_id) {
|
||
bool need_ready = needTrackReady();
|
||
auto src = MediaSource::find(RTMP_SCHEMA, vhost, app, stream_id);
|
||
if (src) {
|
||
auto ret = src->getTracks(need_ready);
|
||
if (!ret.empty()) {
|
||
return std::move(src);
|
||
}
|
||
}
|
||
|
||
src = MediaSource::find(RTSP_SCHEMA, vhost, app, stream_id);
|
||
if (src) {
|
||
auto ret = src->getTracks(need_ready);
|
||
if (!ret.empty()) {
|
||
return std::move(src);
|
||
}
|
||
}
|
||
return nullptr;
|
||
}
|
||
|
||
string getRecorderKey(const string &vhost, const string &app, const string &stream_id) const{
|
||
return vhost + "/" + app + "/" + stream_id;
|
||
}
|
||
|
||
|
||
/**
|
||
* 有些录制类型不需要track就绪即可录制
|
||
*/
|
||
bool needTrackReady(){
|
||
switch (type){
|
||
case Recorder::type_hls:
|
||
return false;
|
||
case Recorder::type_mp4:
|
||
return true;
|
||
default:
|
||
return true;
|
||
}
|
||
}
|
||
private:
|
||
mutable recursive_mutex _recorder_mtx;
|
||
NoticeCenter::Ptr _notice_center;
|
||
unordered_map<string, RecorderHelper::Ptr> _recorder_map;
|
||
};
|
||
|
||
|
||
Recorder::status Recorder::getRecordStatus(Recorder::type type, const string &vhost, const string &app, const string &stream_id) {
|
||
switch (type){
|
||
case type_mp4:
|
||
return MediaSourceWatcher<type_mp4>::Instance().getRecordStatus(vhost,app,stream_id);
|
||
case type_hls:
|
||
return MediaSourceWatcher<type_hls>::Instance().getRecordStatus(vhost,app,stream_id);
|
||
}
|
||
return status_not_record;
|
||
}
|
||
|
||
std::shared_ptr<MediaSinkInterface> Recorder::getRecorder(type type, const string &vhost, const string &app, const string &stream_id){
|
||
switch (type){
|
||
case type_mp4:
|
||
return MediaSourceWatcher<type_mp4>::Instance().getRecorder(vhost,app,stream_id);
|
||
case type_hls:
|
||
return MediaSourceWatcher<type_hls>::Instance().getRecorder(vhost,app,stream_id);
|
||
}
|
||
return nullptr;
|
||
}
|
||
|
||
std::shared_ptr<MediaSinkInterface> Recorder::createRecorder(type type, const string &vhost, const string &app, const string &stream_id, const string &customized_path){
|
||
auto path = Recorder::getRecordPath(type, vhost, app, stream_id);
|
||
switch (type) {
|
||
case Recorder::type_hls: {
|
||
#if defined(ENABLE_HLS)
|
||
auto ret = std::make_shared<HlsRecorder>(path, string(VHOST_KEY) + "=" + vhost);
|
||
ret->setMediaSource(vhost, app, stream_id);
|
||
return ret;
|
||
#endif
|
||
return nullptr;
|
||
}
|
||
|
||
case Recorder::type_mp4: {
|
||
#if defined(ENABLE_MP4RECORD)
|
||
return std::make_shared<MP4Recorder>(path, vhost, app, stream_id);
|
||
#endif
|
||
return nullptr;
|
||
}
|
||
|
||
default:
|
||
return nullptr;
|
||
}
|
||
}
|
||
|
||
int Recorder::startRecord(Recorder::type type, const string &vhost, const string &app, const string &stream_id, const string &customized_path, bool waitForRecord, bool continueRecord) {
|
||
switch (type){
|
||
case type_mp4:
|
||
return MediaSourceWatcher<type_mp4>::Instance().startRecord(vhost,app,stream_id,customized_path,waitForRecord,continueRecord);
|
||
case type_hls:
|
||
return MediaSourceWatcher<type_hls>::Instance().startRecord(vhost,app,stream_id,customized_path,waitForRecord,continueRecord);
|
||
}
|
||
WarnL << "unknown record type: " << type;
|
||
return -3;
|
||
}
|
||
|
||
bool Recorder::stopRecord(Recorder::type type, const string &vhost, const string &app, const string &stream_id) {
|
||
switch (type){
|
||
case type_mp4:
|
||
return MediaSourceWatcher<type_mp4>::Instance().stopRecord(vhost,app,stream_id);
|
||
case type_hls:
|
||
return MediaSourceWatcher<type_hls>::Instance().stopRecord(vhost,app,stream_id);
|
||
}
|
||
return false;
|
||
}
|
||
|
||
void Recorder::stopAll() {
|
||
MediaSourceWatcher<type_hls>::Instance().stopAll();
|
||
MediaSourceWatcher<type_mp4>::Instance().stopAll();
|
||
}
|
||
|
||
} /* namespace mediakit */
|