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mplayersession.h
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mplayersession.h
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/*
* Copyright 2012-2014 Google, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MPLAYER_SESSION_H
#define MPLAYER_SESSION_H
#include <vector>
#include <string>
#include "base.h"
#include <boost/thread/mutex.hpp>
#include "playerstate.pb.h"
#include "playableitem.h"
class MplayerSession {
public:
MplayerSession();
// Two versions of play - the one that takes the PlayableItem reference, and
// another that takes the raw proto. The raw proto version doesn't increment
// playcount (or otherwise touch the database)
bool Play(PlayableItem &item);
bool Play(const automation::PlayableItem &item);
void Pause();
void Unpause();
void Stop();
void SetSpeed(double speed);
void Seek(double timepos);
void MergeState(automation::PlayerState *dest);
private:
bool is_timedout();
std::string GetProperty(std::string property);
DISALLOW_COPY_AND_ASSIGN(MplayerSession);
// mutex_ guards everything except state_. It should be held
// by anything that's interacting with the child mplayer process.
boost::mutex mutex_;
FILE *slave_pipe_;
FILE *mplayer_stdout_;
int mplayer_fd_;
int errorfd_;
int mplayer_pid_;
int last_alive_;
// state_mutex_ guards the automation::PlayerState that contains information
// about our current state.
boost::mutex state_mutex_;
automation::PlayerState state_;
};
#endif