/* * Copyright (C) 2007 The Android Open Source Project * Copyright (c) 2011, The Linux Foundation. All rights reserved. * * 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 ANDROID_MEDIAPLAYER_H #define ANDROID_MEDIAPLAYER_H #include #include #include #include #include #include namespace android { class Surface; enum media_invoke_type { MEDIA_INVOKE_REGISTER_BUFFERS = 1, MEDIA_INVOKE_UNREGISTER_BUFFERS = 2, MEDIA_INVOKE_QUEUE_BUFFER = 3, MEDIA_INVOKE_QUERY_BUFFER_FORMAT = 4, }; enum media_event_type { MEDIA_NOP = 0, // interface test message MEDIA_PREPARED = 1, MEDIA_PLAYBACK_COMPLETE = 2, MEDIA_BUFFERING_UPDATE = 3, MEDIA_SEEK_COMPLETE = 4, MEDIA_SET_VIDEO_SIZE = 5, MEDIA_ERROR = 100, MEDIA_INFO = 200, MEDIA_FORMAT_CHANGED = 1001, // video format changed, shared memory buffers need to be freed and reallocated MEDIA_BUFFER_READY = 1002, // return buffer to mediaplayer client }; // Generic error codes for the media player framework. Errors are fatal, the // playback must abort. // // Errors are communicated back to the client using the // MediaPlayerListener::notify method defined below. // In this situation, 'notify' is invoked with the following: // 'msg' is set to MEDIA_ERROR. // 'ext1' should be a value from the enum media_error_type. // 'ext2' contains an implementation dependant error code to provide // more details. Should default to 0 when not used. // // The codes are distributed as follow: // 0xx: Reserved // 1xx: Android Player errors. Something went wrong inside the MediaPlayer. // 2xx: Media errors (e.g Codec not supported). There is a problem with the // media itself. // 3xx: Runtime errors. Some extraordinary condition arose making the playback // impossible. // enum media_error_type { // 0xx MEDIA_ERROR_UNKNOWN = 1, // 1xx MEDIA_ERROR_SERVER_DIED = 100, // 2xx MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK = 200, // 3xx }; // Info and warning codes for the media player framework. These are non fatal, // the playback is going on but there might be some user visible issues. // // Info and warning messages are communicated back to the client using the // MediaPlayerListener::notify method defined below. In this situation, // 'notify' is invoked with the following: // 'msg' is set to MEDIA_INFO. // 'ext1' should be a value from the enum media_info_type. // 'ext2' contains an implementation dependant info code to provide // more details. Should default to 0 when not used. // // The codes are distributed as follow: // 0xx: Reserved // 7xx: Android Player info/warning (e.g player lagging behind.) // 8xx: Media info/warning (e.g media badly interleaved.) // enum media_info_type { // 0xx MEDIA_INFO_UNKNOWN = 1, // 7xx // The video is too complex for the decoder: it can't decode frames fast // enough. Possibly only the audio plays fine at this stage. MEDIA_INFO_VIDEO_TRACK_LAGGING = 700, // MediaPlayer is temporarily pausing playback internally in order to // buffer more data. MEDIA_INFO_BUFFERING_START = 701, // MediaPlayer is resuming playback after filling buffers. MEDIA_INFO_BUFFERING_END = 702, // 8xx // Bad interleaving means that a media has been improperly interleaved or not // interleaved at all, e.g has all the video samples first then all the audio // ones. Video is playing but a lot of disk seek may be happening. MEDIA_INFO_BAD_INTERLEAVING = 800, // The media is not seekable (e.g live stream). MEDIA_INFO_NOT_SEEKABLE = 801, // New media metadata is available. MEDIA_INFO_METADATA_UPDATE = 802, }; enum media_player_states { MEDIA_PLAYER_STATE_ERROR = 0, MEDIA_PLAYER_IDLE = 1 << 0, MEDIA_PLAYER_INITIALIZED = 1 << 1, MEDIA_PLAYER_PREPARING = 1 << 2, MEDIA_PLAYER_PREPARED = 1 << 3, MEDIA_PLAYER_STARTED = 1 << 4, MEDIA_PLAYER_PAUSED = 1 << 5, MEDIA_PLAYER_STOPPED = 1 << 6, MEDIA_PLAYER_PLAYBACK_COMPLETE = 1 << 7 }; // ---------------------------------------------------------------------------- // ref-counted object for callbacks class MediaPlayerListener: virtual public RefBase { public: virtual void notify(int msg, int ext1, int ext2) = 0; }; class MediaPlayer : public BnMediaPlayerClient, public virtual IMediaDeathNotifier { public: MediaPlayer(); ~MediaPlayer(); void died(); void disconnect(); status_t setDataSource( const char *url, const KeyedVector *headers); status_t setDataSource(int fd, int64_t offset, int64_t length); status_t setVideoSurface(const sp& surface); status_t setListener(const sp& listener); status_t prepare(); status_t prepareAsync(); status_t start(); status_t stop(); status_t pause(); bool isPlaying(); status_t getVideoWidth(int *w); status_t getVideoHeight(int *h); status_t seekTo(int msec); status_t getCurrentPosition(int *msec); status_t getDuration(int *msec); status_t reset(); status_t setAudioStreamType(int type); status_t setLooping(int loop); bool isLooping(); status_t setVolume(float leftVolume, float rightVolume); void notify(int msg, int ext1, int ext2); static sp decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat); static sp decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat); status_t invoke(const Parcel& request, Parcel *reply); status_t setMetadataFilter(const Parcel& filter); status_t getMetadata(bool update_only, bool apply_filter, Parcel *metadata); status_t suspend(); status_t resume(); status_t setAudioSessionId(int sessionId); int getAudioSessionId(); status_t setAuxEffectSendLevel(float level); status_t attachAuxEffect(int effectId); status_t setVideoSurface(const sp& surface); status_t setParameters(const String8& params); private: void clear_l(); status_t seekTo_l(int msec); status_t prepareAsync_l(); status_t getDuration_l(int *msec); status_t setDataSource(const sp& player); sp mPlayer; thread_id_t mLockThreadId; Mutex mLock; Mutex mNotifyLock; Condition mSignal; sp mListener; void* mCookie; media_player_states mCurrentState; int mDuration; int mCurrentPosition; int mSeekPosition; bool mPrepareSync; status_t mPrepareStatus; int mStreamType; bool mLoop; float mLeftVolume; float mRightVolume; int mVideoWidth; int mVideoHeight; int mAudioSessionId; float mSendLevel; }; }; // namespace android #endif // ANDROID_MEDIAPLAYER_H