mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
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91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* Use of this source code is governed by MIT 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_FMP4MEDIASOURCEMUXER_H
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#define ZLMEDIAKIT_FMP4MEDIASOURCEMUXER_H
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#if defined(ENABLE_MP4)
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#include "FMP4MediaSource.h"
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#include "Record/MP4Muxer.h"
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namespace mediakit {
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class FMP4MediaSourceMuxer final : public MP4MuxerMemory, public MediaSourceEventInterceptor,
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public std::enable_shared_from_this<FMP4MediaSourceMuxer> {
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public:
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using Ptr = std::shared_ptr<FMP4MediaSourceMuxer>;
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FMP4MediaSourceMuxer(const MediaTuple& tuple, const ProtocolOption &option) {
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_option = option;
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_media_src = std::make_shared<FMP4MediaSource>(tuple);
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}
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~FMP4MediaSourceMuxer() override { MP4MuxerMemory::flush(); };
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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.fmp4_demand ? size : true;
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if (!size && _option.fmp4_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.fmp4_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.fmp4_demand) {
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return MP4MuxerMemory::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
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return _option.fmp4_demand ? (_clear_cache ? true : _enabled) : true;
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}
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void onAllTrackReady() {
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_media_src->setInitSegment(getInitSegment());
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}
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protected:
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void onSegmentData(std::string string, uint64_t stamp, bool key_frame) override {
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if (string.empty()) {
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return;
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}
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FMP4Packet::Ptr packet = std::make_shared<FMP4Packet>(std::move(string));
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packet->time_stamp = stamp;
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_media_src->onWrite(std::move(packet), key_frame);
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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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FMP4MediaSource::Ptr _media_src;
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};
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}//namespace mediakit
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#endif// defined(ENABLE_MP4)
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#endif //ZLMEDIAKIT_FMP4MEDIASOURCEMUXER_H
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