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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <media/MediaPlayerInterface.h>
     18 
     19 #include <media/MediaAnalyticsItem.h>
     20 #include <media/stagefright/foundation/ABase.h>
     21 
     22 namespace android {
     23 
     24 struct ALooper;
     25 struct NuPlayer;
     26 
     27 struct NuPlayerDriver : public MediaPlayerInterface {
     28     explicit NuPlayerDriver(pid_t pid);
     29 
     30     virtual status_t initCheck();
     31 
     32     virtual status_t setUID(uid_t uid);
     33 
     34     virtual status_t setDataSource(
     35             const sp<IMediaHTTPService> &httpService,
     36             const char *url,
     37             const KeyedVector<String8, String8> *headers);
     38 
     39     virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
     40 
     41     virtual status_t setDataSource(const sp<IStreamSource> &source);
     42 
     43     virtual status_t setDataSource(const sp<DataSource>& dataSource);
     44 
     45     virtual status_t setVideoSurfaceTexture(
     46             const sp<IGraphicBufferProducer> &bufferProducer);
     47 
     48     virtual status_t getDefaultBufferingSettings(
     49             BufferingSettings* buffering /* nonnull */) override;
     50     virtual status_t setBufferingSettings(const BufferingSettings& buffering) override;
     51 
     52     virtual status_t prepare();
     53     virtual status_t prepareAsync();
     54     virtual status_t start();
     55     virtual status_t stop();
     56     virtual status_t pause();
     57     virtual bool isPlaying();
     58     virtual status_t setPlaybackSettings(const AudioPlaybackRate &rate);
     59     virtual status_t getPlaybackSettings(AudioPlaybackRate *rate);
     60     virtual status_t setSyncSettings(const AVSyncSettings &sync, float videoFpsHint);
     61     virtual status_t getSyncSettings(AVSyncSettings *sync, float *videoFps);
     62     virtual status_t seekTo(
     63             int msec, MediaPlayerSeekMode mode = MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC);
     64     virtual status_t getCurrentPosition(int *msec);
     65     virtual status_t getDuration(int *msec);
     66     virtual status_t reset();
     67     virtual status_t setLooping(int loop);
     68     virtual player_type playerType();
     69     virtual status_t invoke(const Parcel &request, Parcel *reply);
     70     virtual void setAudioSink(const sp<AudioSink> &audioSink);
     71     virtual status_t setParameter(int key, const Parcel &request);
     72     virtual status_t getParameter(int key, Parcel *reply);
     73 
     74     virtual status_t getMetadata(
     75             const media::Metadata::Filter& ids, Parcel *records);
     76 
     77     virtual status_t dump(int fd, const Vector<String16> &args) const;
     78 
     79     void notifySetDataSourceCompleted(status_t err);
     80     void notifyPrepareCompleted(status_t err);
     81     void notifyResetComplete();
     82     void notifySetSurfaceComplete();
     83     void notifyDuration(int64_t durationUs);
     84     void notifyMorePlayingTimeUs(int64_t timeUs);
     85     void notifySeekComplete();
     86     void notifySeekComplete_l();
     87     void notifyListener(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
     88     void notifyFlagsChanged(uint32_t flags);
     89 
     90     // Modular DRM
     91     virtual status_t prepareDrm(const uint8_t uuid[16], const Vector<uint8_t> &drmSessionId);
     92     virtual status_t releaseDrm();
     93 
     94 protected:
     95     virtual ~NuPlayerDriver();
     96 
     97 private:
     98     enum State {
     99         STATE_IDLE,
    100         STATE_SET_DATASOURCE_PENDING,
    101         STATE_UNPREPARED,
    102         STATE_PREPARING,
    103         STATE_PREPARED,
    104         STATE_RUNNING,
    105         STATE_PAUSED,
    106         STATE_RESET_IN_PROGRESS,
    107         STATE_STOPPED,                  // equivalent to PAUSED
    108         STATE_STOPPED_AND_PREPARING,    // equivalent to PAUSED, but seeking
    109         STATE_STOPPED_AND_PREPARED,     // equivalent to PAUSED, but seek complete
    110     };
    111 
    112     mutable Mutex mLock;
    113     Condition mCondition;
    114 
    115     State mState;
    116 
    117     bool mIsAsyncPrepare;
    118     status_t mAsyncResult;
    119 
    120     // The following are protected through "mLock"
    121     // >>>
    122     bool mSetSurfaceInProgress;
    123     int64_t mDurationUs;
    124     int64_t mPositionUs;
    125     bool mSeekInProgress;
    126     int64_t mPlayingTimeUs;
    127     // <<<
    128 
    129     sp<ALooper> mLooper;
    130     const sp<NuPlayer> mPlayer;
    131     sp<AudioSink> mAudioSink;
    132     uint32_t mPlayerFlags;
    133 
    134     MediaAnalyticsItem *mAnalyticsItem;
    135 
    136     bool mAtEOS;
    137     bool mLooping;
    138     bool mAutoLoop;
    139 
    140     void updateMetrics(const char *where);
    141     void logMetrics(const char *where);
    142 
    143     status_t prepare_l();
    144     status_t start_l();
    145     void notifyListener_l(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
    146 
    147     DISALLOW_EVIL_CONSTRUCTORS(NuPlayerDriver);
    148 };
    149 
    150 }  // namespace android
    151 
    152 
    153