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