ZLMediaKit/src/Rtp/Decoder.h
2021-02-09 14:01:10 +08:00

80 lines
2.3 KiB
C++

/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
*
* Use of this source code is governed by MIT 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.
*/
#ifndef ZLMEDIAKIT_DECODER_H
#define ZLMEDIAKIT_DECODER_H
#include <stdint.h>
#include <memory>
#include <functional>
#include "Common/MediaSink.h"
using namespace std;
namespace mediakit {
class Decoder {
public:
typedef std::shared_ptr<Decoder> Ptr;
typedef std::function<void(int stream, int codecid, int flags, int64_t pts, int64_t dts, const void *data, size_t bytes)> onDecode;
typedef std::function<void(int stream, int codecid, const void *extra, size_t bytes, int finish)> onStream;
virtual ssize_t input(const uint8_t *data, size_t bytes) = 0;
virtual void setOnDecode(onDecode cb) = 0;
virtual void setOnStream(onStream cb) = 0;
protected:
Decoder() = default;
virtual ~Decoder() = default;
};
/**
* 合并一些时间戳相同的frame
*/
class FrameMerger {
public:
FrameMerger() = default;
~FrameMerger() = default;
void inputFrame(const Frame::Ptr &frame,const function<void(uint32_t dts,uint32_t pts,const Buffer::Ptr &buffer)> &cb);
private:
List<Frame::Ptr> _frameCached;
};
class DecoderImp{
public:
typedef enum {
decoder_ts = 0,
decoder_ps
}Type;
typedef std::shared_ptr<DecoderImp> Ptr;
~DecoderImp() = default;
static Ptr createDecoder(Type type, MediaSinkInterface *sink);
ssize_t input(const uint8_t *data, size_t bytes);
protected:
void onTrack(const Track::Ptr &track);
void onFrame(const Frame::Ptr &frame);
private:
DecoderImp(const Decoder::Ptr &decoder, MediaSinkInterface *sink);
void onDecode(int stream, int codecid, int flags, int64_t pts, int64_t dts, const void *data, size_t bytes);
void onStream(int stream, int codecid, const void *extra, size_t bytes, int finish);
private:
Decoder::Ptr _decoder;
MediaSinkInterface *_sink;
FrameMerger _merger;
Ticker _last_unsported_print;
};
}//namespace mediakit
#endif //ZLMEDIAKIT_DECODER_H