1 files changed, 121 insertions, 0 deletions
diff --git a/include/media/stagefright/AudioPlayer.h b/include/media/stagefright/AudioPlayer.h
new file mode 100644
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+++ b/include/media/stagefright/AudioPlayer.h
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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);
+
+    status_t setPlaybackRatePermille(int32_t ratePermille);
+
+private:
+    friend class VideoEditorAudioPlayer;
+    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();
+
+    uint32_t getNumFramesPendingPlayout() const;
+
+    AudioPlayer(const AudioPlayer &);
+    AudioPlayer &operator=(const AudioPlayer &);
+};
+
+}  // namespace android
+
+#endif  // AUDIO_PLAYER_H_