90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
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/*
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* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
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*
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* Use of this source code is governed by MIT-like license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef ZLMEDIAKIT_TSMEDIASOURCEMUXER_H
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#define ZLMEDIAKIT_TSMEDIASOURCEMUXER_H
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#include "TSMediaSource.h"
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#include "Record/MPEG.h"
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namespace mediakit {
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class TSMediaSourceMuxer final : public MpegMuxer, public MediaSourceEventInterceptor,
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public std::enable_shared_from_this<TSMediaSourceMuxer> {
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public:
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using Ptr = std::shared_ptr<TSMediaSourceMuxer>;
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TSMediaSourceMuxer(const MediaTuple& tuple, const ProtocolOption &option) : MpegMuxer(false) {
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_option = option;
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_media_src = std::make_shared<TSMediaSource>(tuple);
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}
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~TSMediaSourceMuxer() override {
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try {
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MpegMuxer::flush();
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} catch (std::exception &ex) {
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WarnL << ex.what();
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}
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};
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void setListener(const std::weak_ptr<MediaSourceEvent> &listener){
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setDelegate(listener);
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_media_src->setListener(shared_from_this());
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}
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int readerCount() const{
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return _media_src->readerCount();
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}
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void onReaderChanged(MediaSource &sender, int size) override {
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_enabled = _option.ts_demand ? size : true;
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if (!size && _option.ts_demand) {
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_clear_cache = true;
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}
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MediaSourceEventInterceptor::onReaderChanged(sender, size);
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}
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bool inputFrame(const Frame::Ptr &frame) override {
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if (_clear_cache && _option.ts_demand) {
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_clear_cache = false;
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_media_src->clearCache();
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}
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if (_enabled || !_option.ts_demand) {
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return MpegMuxer::inputFrame(frame);
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}
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return false;
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}
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bool isEnabled() {
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// 缓存尚未清空时，还允许触发inputFrame函数，以便及时清空缓存 [AUTO-TRANSLATED:7cfd4d49]
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// Allow the inputFrame function to be triggered even when the cache is not yet cleared, so that the cache can be cleared in time.
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return _option.ts_demand ? (_clear_cache ? true : _enabled) : true;
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}
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protected:
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void onWrite(std::shared_ptr<toolkit::Buffer> buffer, uint64_t timestamp, bool key_pos) override {
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if (!buffer) {
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return;
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}
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auto packet = std::make_shared<TSPacket>(std::move(buffer));
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packet->time_stamp = timestamp;
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_media_src->onWrite(std::move(packet), key_pos);
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}
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private:
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bool _enabled = true;
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bool _clear_cache = false;
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ProtocolOption _option;
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TSMediaSource::Ptr _media_src;
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};
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}//namespace mediakit
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#endif //ZLMEDIAKIT_TSMEDIASOURCEMUXER_H
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