AwesomePlayer.h revision 514bcaf1e842e8e90fbeabf35e7e654622b75b02 
1/*
2 * Copyright (C) 2009 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#ifndef AWESOME_PLAYER_H_
18
19#define AWESOME_PLAYER_H_
20
21#include "HTTPBase.h"
22#include "TimedEventQueue.h"
23
24#include <media/MediaPlayerInterface.h>
25#include <media/stagefright/DataSource.h>
26#include <media/stagefright/OMXClient.h>
27#include <media/stagefright/TimeSource.h>
28#include <utils/threads.h>
29#include <drm/DrmManagerClient.h>
30
31namespace android {
32
33struct AudioPlayer;
34struct DataSource;
35struct MediaBuffer;
36struct MediaExtractor;
37struct MediaSource;
38struct NuCachedSource2;
39struct ISurfaceTexture;
40
41class DrmManagerClinet;
42class DecryptHandle;
43
44class TimedTextDriver;
45struct WVMExtractor;
46
47struct AwesomeRenderer : public RefBase {
48    AwesomeRenderer() {}
49
50    virtual void render(MediaBuffer *buffer) = 0;
51
52private:
53    AwesomeRenderer(const AwesomeRenderer &);
54    AwesomeRenderer &operator=(const AwesomeRenderer &);
55};
56
57struct AwesomePlayer {
58    AwesomePlayer();
59    ~AwesomePlayer();
60
61    void setListener(const wp<MediaPlayerBase> &listener);
62    void setUID(uid_t uid);
63
64    status_t setDataSource(
65            const char *uri,
66            const KeyedVector<String8, String8> *headers = NULL);
67
68    status_t setDataSource(int fd, int64_t offset, int64_t length);
69
70    status_t setDataSource(const sp<IStreamSource> &source);
71
72    void reset();
73
74    status_t prepare();
75    status_t prepare_l();
76    status_t prepareAsync();
77    status_t prepareAsync_l();
78
79    status_t play();
80    status_t pause();
81
82    bool isPlaying() const;
83
84    status_t setSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture);
85    void setAudioSink(const sp<MediaPlayerBase::AudioSink> &audioSink);
86    status_t setLooping(bool shouldLoop);
87
88    status_t getDuration(int64_t *durationUs);
89    status_t getPosition(int64_t *positionUs);
90
91    status_t setParameter(int key, const Parcel &request);
92    status_t getParameter(int key, Parcel *reply);
93    status_t invoke(const Parcel &request, Parcel *reply);
94    status_t setCacheStatCollectFreq(const Parcel &request);
95
96    status_t seekTo(int64_t timeUs);
97
98    // This is a mask of MediaExtractor::Flags.
99    uint32_t flags() const;
100
101    void postAudioEOS(int64_t delayUs = 0ll);
102    void postAudioSeekComplete();
103
104    status_t dump(int fd, const Vector<String16> &args) const;
105
106private:
107    friend struct AwesomeEvent;
108    friend struct PreviewPlayer;
109
110    enum {
111        PLAYING             = 0x01,
112        LOOPING             = 0x02,
113        FIRST_FRAME         = 0x04,
114        PREPARING           = 0x08,
115        PREPARED            = 0x10,
116        AT_EOS              = 0x20,
117        PREPARE_CANCELLED   = 0x40,
118        CACHE_UNDERRUN      = 0x80,
119        AUDIO_AT_EOS        = 0x0100,
120        VIDEO_AT_EOS        = 0x0200,
121        AUTO_LOOPING        = 0x0400,
122
123        // We are basically done preparing but are currently buffering
124        // sufficient data to begin playback and finish the preparation phase
125        // for good.
126        PREPARING_CONNECTED = 0x0800,
127
128        // We're triggering a single video event to display the first frame
129        // after the seekpoint.
130        SEEK_PREVIEW        = 0x1000,
131
132        AUDIO_RUNNING       = 0x2000,
133        AUDIOPLAYER_STARTED = 0x4000,
134
135        INCOGNITO           = 0x8000,
136
137        TEXT_RUNNING        = 0x10000,
138        TEXTPLAYER_INITIALIZED  = 0x20000,
139
140        SLOW_DECODER_HACK   = 0x40000,
141    };
142
143    mutable Mutex mLock;
144    Mutex mMiscStateLock;
145    mutable Mutex mStatsLock;
146    Mutex mAudioLock;
147
148    OMXClient mClient;
149    TimedEventQueue mQueue;
150    bool mQueueStarted;
151    wp<MediaPlayerBase> mListener;
152    bool mUIDValid;
153    uid_t mUID;
154
155    sp<ANativeWindow> mNativeWindow;
156    sp<MediaPlayerBase::AudioSink> mAudioSink;
157
158    SystemTimeSource mSystemTimeSource;
159    TimeSource *mTimeSource;
160
161    String8 mUri;
162    KeyedVector<String8, String8> mUriHeaders;
163
164    sp<DataSource> mFileSource;
165
166    sp<MediaSource> mVideoTrack;
167    sp<MediaSource> mVideoSource;
168    sp<AwesomeRenderer> mVideoRenderer;
169    bool mVideoRendererIsPreview;
170
171    sp<MediaSource> mAudioTrack;
172    sp<MediaSource> mAudioSource;
173    AudioPlayer *mAudioPlayer;
174    int64_t mDurationUs;
175
176    int32_t mDisplayWidth;
177    int32_t mDisplayHeight;
178
179    uint32_t mFlags;
180    uint32_t mExtractorFlags;
181    uint32_t mSinceLastDropped;
182
183    int64_t mTimeSourceDeltaUs;
184    int64_t mVideoTimeUs;
185
186    enum SeekType {
187        NO_SEEK,
188        SEEK,
189        SEEK_VIDEO_ONLY
190    };
191    SeekType mSeeking;
192
193    bool mSeekNotificationSent;
194    int64_t mSeekTimeUs;
195
196    int64_t mBitrate;  // total bitrate of the file (in bps) or -1 if unknown.
197
198    bool mWatchForAudioSeekComplete;
199    bool mWatchForAudioEOS;
200
201    sp<TimedEventQueue::Event> mVideoEvent;
202    bool mVideoEventPending;
203    sp<TimedEventQueue::Event> mStreamDoneEvent;
204    bool mStreamDoneEventPending;
205    sp<TimedEventQueue::Event> mBufferingEvent;
206    bool mBufferingEventPending;
207    sp<TimedEventQueue::Event> mCheckAudioStatusEvent;
208    bool mAudioStatusEventPending;
209    sp<TimedEventQueue::Event> mVideoLagEvent;
210    bool mVideoLagEventPending;
211
212    sp<TimedEventQueue::Event> mAsyncPrepareEvent;
213    Condition mPreparedCondition;
214    bool mIsAsyncPrepare;
215    status_t mPrepareResult;
216    status_t mStreamDoneStatus;
217
218    void postVideoEvent_l(int64_t delayUs = -1);
219    void postBufferingEvent_l();
220    void postStreamDoneEvent_l(status_t status);
221    void postCheckAudioStatusEvent(int64_t delayUs);
222    void postVideoLagEvent_l();
223    status_t play_l();
224
225    MediaBuffer *mVideoBuffer;
226
227    sp<HTTPBase> mConnectingDataSource;
228    sp<NuCachedSource2> mCachedSource;
229
230    DrmManagerClient *mDrmManagerClient;
231    sp<DecryptHandle> mDecryptHandle;
232
233    int64_t mLastVideoTimeUs;
234    TimedTextDriver *mTextDriver;
235
236    sp<WVMExtractor> mWVMExtractor;
237    sp<MediaExtractor> mExtractor;
238
239    status_t setDataSource_l(
240            const char *uri,
241            const KeyedVector<String8, String8> *headers = NULL);
242
243    status_t setDataSource_l(const sp<DataSource> &dataSource);
244    status_t setDataSource_l(const sp<MediaExtractor> &extractor);
245    void reset_l();
246    status_t seekTo_l(int64_t timeUs);
247    status_t pause_l(bool at_eos = false);
248    void initRenderer_l();
249    void notifyVideoSize_l();
250    void seekAudioIfNecessary_l();
251
252    void cancelPlayerEvents(bool keepNotifications = false);
253
254    void setAudioSource(sp<MediaSource> source);
255    status_t initAudioDecoder();
256
257    void setVideoSource(sp<MediaSource> source);
258    status_t initVideoDecoder(uint32_t flags = 0);
259
260    void addTextSource(size_t trackIndex, const sp<MediaSource>& source);
261
262    void onStreamDone();
263
264    void notifyListener_l(int msg, int ext1 = 0, int ext2 = 0);
265
266    void onVideoEvent();
267    void onBufferingUpdate();
268    void onCheckAudioStatus();
269    void onPrepareAsyncEvent();
270    void abortPrepare(status_t err);
271    void finishAsyncPrepare_l();
272    void onVideoLagUpdate();
273
274    bool getCachedDuration_l(int64_t *durationUs, bool *eos);
275
276    status_t finishSetDataSource_l();
277
278    static bool ContinuePreparation(void *cookie);
279
280    bool getBitrate(int64_t *bitrate);
281
282    void finishSeekIfNecessary(int64_t videoTimeUs);
283    void ensureCacheIsFetching_l();
284
285    status_t startAudioPlayer_l(bool sendErrorNotification = true);
286
287    void shutdownVideoDecoder_l();
288    status_t setNativeWindow_l(const sp<ANativeWindow> &native);
289
290    bool isStreamingHTTP() const;
291    void sendCacheStats();
292    void checkDrmStatus(const sp<DataSource>& dataSource);
293
294    enum FlagMode {
295        SET,
296        CLEAR,
297        ASSIGN
298    };
299    void modifyFlags(unsigned value, FlagMode mode);
300
301    struct TrackStat {
302        String8 mMIME;
303        String8 mDecoderName;
304    };
305
306    // protected by mStatsLock
307    struct Stats {
308        int mFd;
309        String8 mURI;
310        int64_t mBitrate;
311        ssize_t mAudioTrackIndex;
312        ssize_t mVideoTrackIndex;
313        int64_t mNumVideoFramesDecoded;
314        int64_t mNumVideoFramesDropped;
315        int32_t mVideoWidth;
316        int32_t mVideoHeight;
317        uint32_t mFlags;
318        Vector<TrackStat> mTracks;
319    } mStats;
320
321    status_t getTrackInfo(Parcel* reply) const;
322
323    // when select is true, the given track is selected.
324    // otherwise, the given track is unselected.
325    status_t selectTrack(size_t trackIndex, bool select);
326
327    size_t countTracks() const;
328
329    AwesomePlayer(const AwesomePlayer &);
330    AwesomePlayer &operator=(const AwesomePlayer &);
331};
332
333}  // namespace android
334
335#endif  // AWESOME_PLAYER_H_
336