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126 lines
3.1 KiB
126 lines
3.1 KiB
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef AUDIO_PLAYER_H_
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#define AUDIO_PLAYER_H_
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#include <media/MediaSource.h>
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#include <media/MediaPlayerInterface.h>
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#include <media/stagefright/MediaBuffer.h>
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#include <utils/threads.h>
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namespace android {
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struct AudioPlaybackRate;
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class AudioTrack;
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struct AwesomePlayer;
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class AudioPlayer {
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public:
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enum {
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REACHED_EOS,
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SEEK_COMPLETE
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};
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enum {
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ALLOW_DEEP_BUFFERING = 0x01,
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USE_OFFLOAD = 0x02,
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HAS_VIDEO = 0x1000,
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IS_STREAMING = 0x2000
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};
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AudioPlayer(const sp<MediaPlayerBase::AudioSink> &audioSink,
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uint32_t flags = 0);
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virtual ~AudioPlayer();
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// Caller retains ownership of "source".
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void setSource(const sp<MediaSource> &source);
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status_t start(bool sourceAlreadyStarted = false);
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void pause(bool playPendingSamples = false);
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status_t resume();
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status_t seekTo(int64_t time_us);
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bool isSeeking();
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bool reachedEOS(status_t *finalStatus);
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status_t setPlaybackRate(const AudioPlaybackRate &rate);
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status_t getPlaybackRate(AudioPlaybackRate *rate /* nonnull */);
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private:
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sp<MediaSource> mSource;
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sp<AudioTrack> mAudioTrack;
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MediaBufferBase *mInputBuffer;
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int mSampleRate;
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int64_t mLatencyUs;
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size_t mFrameSize;
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Mutex mLock;
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int64_t mNumFramesPlayed;
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int64_t mNumFramesPlayedSysTimeUs;
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int64_t mPositionTimeMediaUs;
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int64_t mPositionTimeRealUs;
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bool mSeeking;
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bool mReachedEOS;
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status_t mFinalStatus;
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int64_t mSeekTimeUs;
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bool mStarted;
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bool mIsFirstBuffer;
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status_t mFirstBufferResult;
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MediaBufferBase *mFirstBuffer;
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sp<MediaPlayerBase::AudioSink> mAudioSink;
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bool mPlaying;
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int64_t mStartPosUs;
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const uint32_t mCreateFlags;
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static void AudioCallback(int event, void *user, void *info);
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void AudioCallback(int event, void *info);
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static size_t AudioSinkCallback(
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MediaPlayerBase::AudioSink *audioSink,
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void *data, size_t size, void *me,
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MediaPlayerBase::AudioSink::cb_event_t event);
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size_t fillBuffer(void *data, size_t size);
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void reset();
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int64_t getOutputPlayPositionUs_l();
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bool allowDeepBuffering() const { return (mCreateFlags & ALLOW_DEEP_BUFFERING) != 0; }
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bool useOffload() const { return (mCreateFlags & USE_OFFLOAD) != 0; }
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AudioPlayer(const AudioPlayer &);
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AudioPlayer &operator=(const AudioPlayer &);
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};
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} // namespace android
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#endif // AUDIO_PLAYER_H_
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