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https://github.com/ZLMediaKit/ZLMediaKit.git
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mk_media接口支持无人观看事件
This commit is contained in:
xiongziliang
parent
109fab2cb1
commit
1e53500eb0
@ -129,6 +129,31 @@ API_EXPORT void API_CALL mk_media_input_aac(mk_media ctx, void *data, int len, u
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*/
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API_EXPORT void API_CALL mk_media_input_aac1(mk_media ctx, void *data, int len, uint32_t dts, void *adts);
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/**
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* 在调用对应的MediaSource.close()时会触发该回调
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* 你可以在该事件中做清理工作（比如说关闭摄像头，同时调用mk_media_release函数销毁该对象）
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* @param user_data 用户数据指针，通过mk_media_set_on_close函数设置
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* @return 返回0告知事件触发者关闭媒体失败，非0代表成功
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*/
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typedef int(API_CALL *on_mk_media_close)(void *user_data);
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/**
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* 监听MediaSource.close()事件
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* 在选择关闭一个MediaSource时，将会最终触发到该回调
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* 你可以通过该事件选择删除对象，当然你在该事件中也可以什么都不做
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* @param ctx 对象指针
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* @param cb 回调指针
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* @param user_data 用户数据指针
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*/
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API_EXPORT void API_CALL mk_media_set_on_close(mk_media ctx, on_mk_media_close cb, void *user_data);
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/**
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* 获取总的观看人数
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* @param ctx 对象指针
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* @return 观看人数
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*/
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API_EXPORT int API_CALL mk_media_total_reader_count(mk_media ctx);
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#ifdef __cplusplus
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}
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#endif
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@ -32,77 +32,151 @@ using namespace std;
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using namespace toolkit;
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using namespace mediakit;
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class MediaHelper : public MediaSourceEvent , public std::enable_shared_from_this<MediaHelper> {
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public:
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typedef std::shared_ptr<MediaHelper> Ptr;
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template<typename ...ArgsType>
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MediaHelper(ArgsType &&...args){
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_channel = std::make_shared<DevChannel>(std::forward<ArgsType>(args)...);
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}
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~MediaHelper(){}
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void attachEvent(){
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_channel->setListener(shared_from_this());
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}
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DevChannel::Ptr &getChannel(){
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return _channel;
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}
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void setCallBack(on_mk_media_close cb, void *user_data){
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_cb = cb;
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_user_data = user_data;
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}
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protected:
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// 通知其停止推流
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bool close(MediaSource &sender,bool force) override{
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if(!force && _channel->totalReaderCount()){
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//非强制关闭且正有人在观看该视频
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return false;
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}
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if(!_cb){
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//未设置回调，没法关闭
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return false;
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}
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if(!_cb(_user_data)){
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//回调选择返回不关闭该视频
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return false;
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}
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//回调中已经关闭该视频
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string err = StrPrinter << "close media:" << sender.getSchema() << "/" << sender.getVhost() << "/" << sender.getApp() << "/" << sender.getId() << " " << force;
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return true;
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}
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// 通知无人观看
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void onNoneReader(MediaSource &sender) override{
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if(_channel->totalReaderCount()){
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//统计有误，还有人在看
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return;
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}
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MediaSourceEvent::onNoneReader(sender);
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}
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// 观看总人数
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int totalReaderCount(MediaSource &sender) override{
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return _channel->totalReaderCount();
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}
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private:
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DevChannel::Ptr _channel;
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on_mk_media_close _cb;
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void *_user_data;
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};
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API_EXPORT void API_CALL mk_media_set_on_close(mk_media ctx, on_mk_media_close cb, void *user_data){
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assert(ctx);
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MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
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(*obj)->setCallBack(cb,user_data);
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}
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API_EXPORT int API_CALL mk_media_total_reader_count(mk_media ctx){
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assert(ctx);
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MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
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return (*obj)->getChannel()->totalReaderCount();
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}
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API_EXPORT mk_media API_CALL mk_media_create(const char *vhost, const char *app, const char *stream, float duration, int hls_enabled, int mp4_enabled) {
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assert(vhost && app && stream);
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DevChannel::Ptr *obj(new DevChannel::Ptr(new DevChannel(vhost, app, stream, duration, true, true, hls_enabled, mp4_enabled)));
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MediaHelper::Ptr *obj(new MediaHelper::Ptr(new MediaHelper(vhost, app, stream, duration, true, true, hls_enabled, mp4_enabled)));
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(*obj)->attachEvent();
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return (mk_media) obj;
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}
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API_EXPORT void API_CALL mk_media_release(mk_media ctx) {
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assert(ctx);
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DevChannel::Ptr *obj = (DevChannel::Ptr *) ctx;
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MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
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delete obj;
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}
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API_EXPORT void API_CALL mk_media_init_h264(mk_media ctx, int width, int height, int frameRate) {
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assert(ctx);
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DevChannel::Ptr *obj = (DevChannel::Ptr *) ctx;
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MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
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VideoInfo info;
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info.iFrameRate = frameRate;
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info.iWidth = width;
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info.iHeight = height;
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(*obj)->initVideo(info);
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(*obj)->getChannel()->initVideo(info);
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}
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API_EXPORT void API_CALL mk_media_init_h265(mk_media ctx, int width, int height, int frameRate) {
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assert(ctx);
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DevChannel::Ptr *obj = (DevChannel::Ptr *) ctx;
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MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
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VideoInfo info;
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info.iFrameRate = frameRate;
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info.iWidth = width;
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info.iHeight = height;
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(*obj)->initH265Video(info);
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(*obj)->getChannel()->initH265Video(info);
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}
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API_EXPORT void API_CALL mk_media_init_aac(mk_media ctx, int channel, int sample_bit, int sample_rate, int profile) {
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assert(ctx);
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DevChannel::Ptr *obj = (DevChannel::Ptr *) ctx;
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MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
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AudioInfo info;
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info.iSampleRate = sample_rate;
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info.iChannel = channel;
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info.iSampleBit = sample_bit;
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info.iProfile = profile;
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(*obj)->initAudio(info);
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(*obj)->getChannel()->initAudio(info);
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}
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API_EXPORT void API_CALL mk_media_init_complete(mk_media ctx){
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assert(ctx);
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DevChannel::Ptr *obj = (DevChannel::Ptr *) ctx;
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(*obj)->addTrackCompleted();
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MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
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(*obj)->getChannel()->addTrackCompleted();
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}
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API_EXPORT void API_CALL mk_media_input_h264(mk_media ctx, void *data, int len, uint32_t dts, uint32_t pts) {
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assert(ctx && data && len > 0);
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DevChannel::Ptr *obj = (DevChannel::Ptr *) ctx;
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(*obj)->inputH264((char *) data, len, dts, pts);
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MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
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(*obj)->getChannel()->inputH264((char *) data, len, dts, pts);
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}
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API_EXPORT void API_CALL mk_media_input_h265(mk_media ctx, void *data, int len, uint32_t dts, uint32_t pts) {
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assert(ctx && data && len > 0);
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DevChannel::Ptr *obj = (DevChannel::Ptr *) ctx;
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(*obj)->inputH265((char *) data, len, dts, pts);
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MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
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(*obj)->getChannel()->inputH265((char *) data, len, dts, pts);
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}
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API_EXPORT void API_CALL mk_media_input_aac(mk_media ctx, void *data, int len, uint32_t dts, int with_adts_header) {
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assert(ctx && data && len > 0);
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DevChannel::Ptr *obj = (DevChannel::Ptr *) ctx;
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(*obj)->inputAAC((char *) data, len, dts, with_adts_header);
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MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
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(*obj)->getChannel()->inputAAC((char *) data, len, dts, with_adts_header);
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}
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API_EXPORT void API_CALL mk_media_input_aac1(mk_media ctx, void *data, int len, uint32_t dts, void *adts) {
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assert(ctx && data && len > 0 && adts);
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DevChannel::Ptr *obj = (DevChannel::Ptr *) ctx;
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(*obj)->inputAAC((char *) data, len, dts, (char *) adts);
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MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
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(*obj)->getChannel()->inputAAC((char *) data, len, dts, (char *) adts);
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}
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