media/libmediaplayer2/include/mediaplayer2/mediaplayer2.h

/*
 * Copyright 2017 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 ANDROID_MEDIAPLAYER2_H
#define ANDROID_MEDIAPLAYER2_H

#include <media/AVSyncSettings.h>
#include <media/AudioResamplerPublic.h>
#include <media/BufferingSettings.h>
#include <media/mediaplayer_common.h>
#include <mediaplayer2/MediaPlayer2Interface.h>
#include <mediaplayer2/MediaPlayer2Types.h>
#include <mediaplayer2/JObjectHolder.h>

#include <jni.h>
#include <utils/Errors.h>
#include <utils/Mutex.h>
#include <utils/RefBase.h>
#include <utils/String16.h>
#include <utils/Vector.h>
#include <system/audio-base.h>

#include "jni.h"

namespace android {

struct ANativeWindowWrapper;
struct DataSourceDesc;
class MediaPlayer2AudioOutput;

// ref-counted object for callbacks
class MediaPlayer2Listener: virtual public RefBase
{
public:
    virtual void notify(int64_t srcId, int msg, int ext1, int ext2,
            const PlayerMessage *obj = NULL) = 0;
};

class MediaPlayer2 : public MediaPlayer2InterfaceListener
{
public:
    ~MediaPlayer2();

    static sp<MediaPlayer2> Create(int32_t sessionId, jobject context);
    static status_t DumpAll(int fd, const Vector<String16>& args);

            void            disconnect();

            status_t        getSrcId(int64_t *srcId);
            status_t        setDataSource(const sp<DataSourceDesc> &dsd);
            status_t        prepareNextDataSource(const sp<DataSourceDesc> &dsd);
            status_t        playNextDataSource(int64_t srcId);
            status_t        setVideoSurfaceTexture(const sp<ANativeWindowWrapper>& nww);
            status_t        setListener(const sp<MediaPlayer2Listener>& listener);
            status_t        getBufferingSettings(BufferingSettings* buffering /* nonnull */);
            status_t        setBufferingSettings(const BufferingSettings& buffering);
            status_t        prepareAsync();
            status_t        start();
            status_t        pause();
            bool            isPlaying();
            mediaplayer2_states getState();
            status_t        setPlaybackSettings(const AudioPlaybackRate& rate);
            status_t        getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */);
            status_t        setSyncSettings(const AVSyncSettings& sync, float videoFpsHint);
            status_t        getSyncSettings(
                                    AVSyncSettings* sync /* nonnull */,
                                    float* videoFps /* nonnull */);
            status_t        getVideoWidth(int *w);
            status_t        getVideoHeight(int *h);
            status_t        seekTo(
                    int64_t msec,
                    MediaPlayer2SeekMode mode = MediaPlayer2SeekMode::SEEK_PREVIOUS_SYNC);
            status_t        notifyAt(int64_t mediaTimeUs);
            status_t        getCurrentPosition(int64_t *msec);
            status_t        getDuration(int64_t srcId, int64_t *msec);
            status_t        reset();
            status_t        setAudioStreamType(audio_stream_type_t type);
            status_t        getAudioStreamType(audio_stream_type_t *type);
            status_t        setLooping(int loop);
            bool            isLooping();
            status_t        setVolume(float volume);
            void            notify(int64_t srcId, int msg, int ext1, int ext2,
                                   const PlayerMessage *obj = NULL);
            status_t        invoke(const PlayerMessage &request, PlayerMessage *reply);
            status_t        setAudioSessionId(int32_t sessionId);
            int32_t         getAudioSessionId();
            status_t        setAuxEffectSendLevel(float level);
            status_t        attachAuxEffect(int effectId);
            status_t        setAudioAttributes(const jobject attributes);
            jobject         getAudioAttributes();
            status_t        getParameter(int key, Parcel* reply);
            status_t        getMetrics(char **buffer, size_t *length);

            // Modular DRM
            status_t        prepareDrm(int64_t srcId,
                                       const uint8_t uuid[16],
                                       const Vector<uint8_t>& drmSessionId);
            status_t        releaseDrm(int64_t srcId);
            // AudioRouting
            status_t        setPreferredDevice(jobject device);
            jobject         getRoutedDevice();
            status_t        addAudioDeviceCallback(jobject routingDelegate);
            status_t        removeAudioDeviceCallback(jobject listener);

            status_t        dump(int fd, const Vector<String16>& args);

private:
    MediaPlayer2(int32_t sessionId, jobject context);
    bool init();

    // Disconnect from the currently connected ANativeWindow.
    void disconnectNativeWindow_l();

    status_t setAudioAttributes_l(const jobject attributes);

    void clear_l();
    status_t seekTo_l(int64_t msec, MediaPlayer2SeekMode mode);
    status_t prepareAsync_l();
    status_t getDuration_l(int64_t *msec);
    status_t reset_l();
    status_t checkState_l();

    pid_t                       mPid;
    uid_t                       mUid;
    sp<MediaPlayer2Interface>   mPlayer;
    sp<MediaPlayer2AudioOutput> mAudioOutput;
    int64_t                     mSrcId;
    thread_id_t                 mLockThreadId;
    mutable Mutex               mLock;
    Mutex                       mNotifyLock;
    sp<MediaPlayer2Listener>    mListener;
    media_player2_internal_states mCurrentState;
    bool                        mTransitionToNext;
    int64_t                     mCurrentPosition;
    MediaPlayer2SeekMode        mCurrentSeekMode;
    int64_t                     mSeekPosition;
    MediaPlayer2SeekMode        mSeekMode;
    audio_stream_type_t         mStreamType;
    bool                        mLoop;
    float                       mVolume;
    int                         mVideoWidth;
    int                         mVideoHeight;
    int32_t                     mAudioSessionId;
    sp<JObjectHolder>           mAudioAttributes;
    sp<JObjectHolder>           mContext;
    float                       mSendLevel;
    sp<ANativeWindowWrapper>    mConnectedWindow;
};

}; // namespace android

#endif // ANDROID_MEDIAPLAYER2_H