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+/*
+ * 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 AwesomePlayer;
+
+class AudioPlayer : public TimeSource {
+public:
+ enum {
+ REACHED_EOS,
+ SEEK_COMPLETE
+ };
+
+ AudioPlayer(const sp<MediaPlayerBase::AudioSink> &audioSink,
+ AwesomePlayer *audioObserver = NULL);
+
+ virtual ~AudioPlayer();
+
+ // Caller retains ownership of "source".
+ void setSource(const sp<MediaSource> &source);
+
+ // Return time in us.
+ virtual int64_t getRealTimeUs();
+
+ status_t start(bool sourceAlreadyStarted = false);
+
+ void pause(bool playPendingSamples = false);
+ void resume();
+
+ // 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);
+
+ bool isSeeking();
+ bool reachedEOS(status_t *finalStatus);
+
+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;
+ bool mReachedEOS;
+ status_t mFinalStatus;
+ int64_t mSeekTimeUs;
+
+ bool mStarted;
+
+ bool mIsFirstBuffer;
+ status_t mFirstBufferResult;
+ MediaBuffer *mFirstBuffer;
+
+ sp<MediaPlayerBase::AudioSink> mAudioSink;
+ AwesomePlayer *mObserver;
+
+ static void AudioCallback(int event, void *user, void *info);
+ void AudioCallback(int event, void *info);
+
+ static size_t AudioSinkCallback(
+ MediaPlayerBase::AudioSink *audioSink,
+ void *data, size_t size, void *me);
+
+ size_t fillBuffer(void *data, size_t size);
+
+ int64_t getRealTimeUsLocked() const;
+
+ void reset();
+
+ AudioPlayer(const AudioPlayer &);
+ AudioPlayer &operator=(const AudioPlayer &);
+};
+
+} // namespace android
+
+#endif // AUDIO_PLAYER_H_