| /* |
| * Copyright (C) 2009 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 AUDIO_PLAYER_H_ |
| |
| #define AUDIO_PLAYER_H_ |
| |
| #include <media/MediaPlayerInterface.h> |
| #include <media/stagefright/MediaBuffer.h> |
| #include <media/stagefright/TimeSource.h> |
| #include <utils/threads.h> |
| |
| namespace android { |
| |
| class MediaSource; |
| class AudioTrack; |
| |
| class AudioPlayer : public TimeSource { |
| public: |
| enum { |
| REACHED_EOS, |
| SEEK_COMPLETE |
| }; |
| |
| AudioPlayer(const sp<MediaPlayerBase::AudioSink> &audioSink); |
| virtual ~AudioPlayer(); |
| |
| // Caller retains ownership of "source". |
| void setSource(const sp<MediaSource> &source); |
| |
| void setListenerCallback( |
| void (*notify)(void *cookie, int what), void *cookie); |
| |
| // Return time in us. |
| virtual int64_t getRealTimeUs(); |
| |
| void start(); |
| |
| void pause(); |
| void resume(); |
| |
| void stop(); |
| |
| // Returns the timestamp of the last buffer played (in us). |
| int64_t getMediaTimeUs(); |
| |
| // Returns true iff a mapping is established, i.e. the AudioPlayer |
| // has played at least one frame of audio. |
| bool getMediaTimeMapping(int64_t *realtime_us, int64_t *mediatime_us); |
| |
| status_t seekTo(int64_t time_us); |
| |
| private: |
| sp<MediaSource> mSource; |
| AudioTrack *mAudioTrack; |
| |
| MediaBuffer *mInputBuffer; |
| |
| int mSampleRate; |
| int64_t mLatencyUs; |
| size_t mFrameSize; |
| |
| Mutex mLock; |
| int64_t mNumFramesPlayed; |
| |
| int64_t mPositionTimeMediaUs; |
| int64_t mPositionTimeRealUs; |
| |
| bool mSeeking; |
| int64_t mSeekTimeUs; |
| |
| bool mStarted; |
| |
| void (*mListenerCallback)(void *cookie, int what); |
| void *mListenerCookie; |
| |
| sp<MediaPlayerBase::AudioSink> mAudioSink; |
| |
| static void AudioCallback(int event, void *user, void *info); |
| void AudioCallback(int event, void *info); |
| |
| static void AudioSinkCallback( |
| MediaPlayerBase::AudioSink *audioSink, |
| void *data, size_t size, void *me); |
| |
| void fillBuffer(void *data, size_t size); |
| |
| int64_t getRealTimeUsLocked() const; |
| |
| AudioPlayer(const AudioPlayer &); |
| AudioPlayer &operator=(const AudioPlayer &); |
| }; |
| |
| } // namespace android |
| |
| #endif // AUDIO_PLAYER_H_ |