dashplayer/DashPlayerSource.h

/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * 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 DASHPLAYER_SOURCE_H_

#define DASHPLAYER_SOURCE_H_

#include "DashPlayer.h"

namespace android {

struct ABuffer;

struct DashPlayer::Source : public RefBase {
    Source() {}

    virtual void start() = 0;
    virtual void stop() {}

    // Returns OK iff more data was available,
    // an error or ERROR_END_OF_STREAM if not.
    virtual status_t feedMoreTSData() = 0;

    virtual sp<MetaData> getFormat(int audio) = 0;

    virtual status_t dequeueAccessUnit(
            int track, sp<ABuffer> *accessUnit) = 0;

    virtual status_t getDuration(int64_t * /*durationUs*/) {
        return INVALID_OPERATION;
    }

    virtual status_t seekTo(int64_t /*seekTimeUs*/) {
        return INVALID_OPERATION;
    }

    virtual bool isSeekable() {
        return false;
    }

    virtual status_t getNewSeekTime(int64_t* /*newSeek*/) {
        return INVALID_OPERATION;
    }

    virtual status_t prepareAsync() {
        return INVALID_OPERATION;
    }

    virtual status_t isPrepareDone() {
        return INVALID_OPERATION;
    }

    virtual status_t getParameter(int /*key*/, void ** /*data*/, size_t * /*size*/) {
        return INVALID_OPERATION;
    }

    virtual status_t setParameter(int /*key*/, void * /*data*/, size_t /*size*/) {
        return INVALID_OPERATION;
    }
    virtual void notifyRenderingPosition(int64_t /*nRenderingTS*/){}

    virtual status_t setupSourceData(const sp<AMessage> & /*msg*/, int /*iTrack*/){
        return INVALID_OPERATION;
    }
    virtual status_t postNextTextSample(sp<ABuffer> /*accessUnit*/,const sp<AMessage> &/*msg*/,int /*iTrack*/) {
        return INVALID_OPERATION;
    }

    virtual status_t getMediaPresence(bool &/*audio*/, bool &/*video*/, bool &/*text*/) {
       return INVALID_OPERATION;
    }

    virtual status_t pause() {
        ALOGE("Pause called on Wrong DataSource.. Please check !!!");
        return INVALID_OPERATION;
        //CHECK(false);
    }

    virtual status_t resume() {
        ALOGE("Resume called on Wrong DataSource.. Please check !!!");
        return INVALID_OPERATION;
        //CHECK(false);
    }

    virtual status_t getRepositionRange(uint64_t* /*pMin*/, uint64_t* /*pMax*/, uint64_t* /*pMaxDepth*/) {
      return INVALID_OPERATION;
    }

    virtual status_t getTrackInfo(Parcel * /*reply*/) {
      return INVALID_OPERATION;
    }

    virtual bool isPlaybackDiscontinued() {
      return false;
    }

protected:
    virtual ~Source() {}

private:
    DISALLOW_EVIL_CONSTRUCTORS(Source);
};

}  // namespace android

#endif  // DASHPLAYER_SOURCE_H_