layer1.h

mysee网络直播源代码Mysee Lite是Mysee独立研发的网络视频流媒体播放系统。在应有了P2P技术和一系列先进流媒体技术之后

/*
 *  Openmysee
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#pragma once

#ifdef LAYER1_EXPORTS
#define DLL_LAYER1_API __declspec(dllexport)
#else
#define DLL_LAYER1_API __declspec(dllimport)
#endif

namespace NPLayer1 {

class Communicator;

class DLL_LAYER1_API Layer1 {
public:
	Layer1();
	virtual ~Layer1();

	// 请求一种资源
	P2P_RETURN_TYPE Request(
		LPCSTR url, 			// in, 要播放的gtv地址或者路径
		const HWND notifyWnd, 	// in, layer1发送消息的窗口
		const UINT notifyCode,	// in, layer1发送消息的msg ID
		const UINT16	channelID	//in, layer1发送消息的目标channel ID, 将附加到WPARAM里面的HIWORD，
		);
	// 停止当前下载
	void Stop();

	// 缓冲完成
	void BufferFinished();

	// 获取当前资源的传输信息
	void GetTransferInfo(
		TransferInfo& ti	// out, 传输信息
		);
	// 获取当前资源Hash
	BOOL GetResourceHash(
		LPTSTR buf, 		// out, 存储Hash的缓冲区
		UINT& len			// in/out, 传入缓冲区的大小，返回Hash的长度
		);
	// 获取当前资源名
	BOOL GetFileName(
		LPTSTR buf, 		// out, 存储名字的缓冲区
		UINT& len			// in/out, 传入缓冲区的大小，返回名字的长度
		);
	// 获取当前资源的缓冲百分比, 0~100
	int GetBufferPercent();
	// 获取当前频道的码率
	float GetChannelBitRate();
	
	// 获取Sample，可能得到普通Sample或者MediaType(参考struct SampleHeader的注释)
	P2P_RETURN_TYPE GetData(
		SampleHeader& header,	// out, 数据头
		PBYTE& pData,			// out, 存储数据的缓冲区
		const UINT maxSize,		// in, 缓冲区的长度
		const bool bAudio,		// in, 获取音频还是视频
		const bool bKeySample	// in, 是否寻找关键帧
		);

private:
	Communicator* comm;
};

};