媒体MediaPlayer错误详细解析

Android的MediaPlayer错误[转载]
2011年09月01日
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　　在使用MediaPlayer的时候，要注意几个Listener的配合使用，但是，MediaPlayer还是会经常报些奇怪的错误信息。
　　通常这些错误都是由数据源或者调用MediaPlayer中的方法时没有注意MediaPlayer的状态而引起。
　　常见错误信息分析：
　　（-38，0）
　　一般是由于在MediaPlayer还没有Prepared的状态下调用了类似getDuration()之类的方法而引起，
　　例如报错：Attempt to call getDuration without a valid mediaplayer
　　以下是MediaPlayer的错误类型源码： /* -------------------------------------------------- ----------------
　　* Copyright (C) 1998-2010 PacketVideo
　　*
　　* 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.
　　* -------------------------------------------------- -----------------
　　*/
　　/**
　　* @file pv_return_codes.h
　　* @brief This file defines the general return and event codes to be used by PVMF elements.
　　* Theses base-level codes are unique. Error codes are negative values and informational
　　* codes are positive values.
　　* NOTE: If you add any new event, update the PVMFStatusToString method as well.
　　*/
　　// Return codes
　　/*
　　Return code for general success
　　*/
　　const PVMFStatus PVMFSuccess = 1;
　　/*
　　Return code for pending completion
　　*/
　　const PVMFStatus PVMFPending = 0;
　　/*
　　Return code for never set
　　*/
　　const PVMFStatus PVMFNotSet = 2;
　　/*
　　Return code for Command Complete
　　*/
　　const PVMFStatus PVMFCmdCompleted = 3;
　　/*
　　Definition of first error event in range (not an actual error code).
　　*/
　　const PVMFStatus PVMFErrFirst = (-1);
　　/*
　　Return code for general failure
　　*/
　　const PVMFStatus PVMFFailure = (-1);
　　/*
　　Error due to cancellation
　　*/
　　const PVMFStatus PVMFErrCancelled = (-2);
　　/*
　　Error due to no memory being available
　　*/
　　const PVMFStatus PVMFErrNoMemory = (-3);
　　/*
　　Error due to request not being supported
　　*/
　　const PVMFStatus PVMFErrNotSupported = (-4);
　　/*
　　Error due to invalid argument
　　*/
　　const PVMFStatus PVMFErrArgument = (-5);
　　/*
　　Error due to invalid resource handle being specified
　　*/
　　const PVMFStatus PVMFErrBadHandle = (-6);
　　/*
　　Error due to resource already exists and another one cannot be created
　　*/
　　const PVMFStatus PVMFErrAlreadyExists = (-7);
　　/*
　　Error due to resource being busy and request cannot be handled
　　*/
　　const PVMFStatus PVMFErrBusy = (-8);
　　/*
　　Error due to resource not ready to accept request
　　*/
　　const PVMFStatus PVMFErrNotReady = (-9);
　　/*
　　Error due to data corruption being detected
　　*/
　　const PVMFStatus PVMFErrCorrupt = (-10);
　　/*
　　Error due to request timing out
　　*/
　　const PVMFStatus PVMFErrTimeout = (-11);
　　/*
　　Error due to general overflow
　　*/
　　const PVMFStatus PVMFErrOverflow = (-12);
　　/*
　　Error due to general underflow
　　*/
　　const PVMFStatus PVMFErrUnderflow = (-13);
　　/*
　　Error due to resource being in wrong state to handle request
　　*/
　　const PVMFStatus PVMFErrInvalidState = (-14);
　　/*
　　Error due to resource not being available
　　*/
　　const PVMFStatus PVMFErrNoResources = (-15);
　　/*
　　Error due to invalid configuration of resource
　　*/
　　const PVMFStatus PVMFErrResourceConfiguration = (-16);
　　/*
　　Error due to general error in underlying resource
　　*/
　　const PVMFStatus PVMFErrResource = (-17);
　　/*
　　Error due to general data processing
　　*/
　　const PVMFStatus PVMFErrProcessing = (-18);
　　/*
　　Error due to general port processing
　　*/
　　const PVMFStatus PVMFErrPortProcessing = (-19);
　　/*
　　Error due to lack of authorization to access a resource.
　　*/
　　const PVMFStatus PVMFErrAccessDenied = (-20);
　　/*
　　Unused error code. Can be re-defined.
　　*/
　　const PVMFStatus PVMFErrUnused_01 = (-21);
　　/*
　　Unused error code. Can be re-defined.
　　*/
　　const PVMFStatus PVMFErrUnused_02 = (-22);
　　/*
　　Error due to the download content length larger than the maximum request size
　　*/
　　const PVMFStatus PVMFErrContentTooLarge = (-23);
　　/*
　　Error due to a maximum number of objects in use
　　*/
　　const PVMFStatus PVMFErrMaxReached = (-24);
　　/*
　　Return code for low disk space
　　*/
　　const PVMFStatus PVMFLowDiskSpace = (-25);
　　/*
　　Error due to the requirement of user-id and password input from app for HTTP basic/digest authentication
　　*/
　　const PVMFStatus PVMFErrHTTPAuthenticationRequired = (-26);
　　/*
　　PVMFMediaClock specific error. Callback has become invalid due to change in direction of NPT clock.
　　*/
　　const PVMFStatus PVMFErrCallbackHasBecomeInvalid = (-27);
　　/*
　　PVMFMediaClock specific error. Callback is called as clock has stopped.
　　*/
　　const PVMFStatus PVMFErrCallbackClockStopped = (-28);
　　/*
　　Error due to missing call for ReleaseMatadataValue() API
　　*/
　　const PVMFStatus PVMFErrReleaseMetadataValueNotDone = (-29);
　　/*
　　Error due to the redirect error
　　*/
　　const PVMFStatus PVMFErrRedirect = (-30);
　　/*
　　Error if a given method or API is not implemented. This is NOT the same as PVMFErrNotSupported.
　　*/
　　const PVMFStatus PVMFErrNotImplemented = (-31);
　　/*
　　DRM license not found
　　*/
　　const PVMFStatus PVMFErrDrmLicenseNotFound = (-32);
　　/*
　　DRM license has expired due to end time or usage count restriction
　　*/
　　const PVMFStatus PVMFErrDrmLicenseExpired = (-33);
　　/*
　　DRM license has a start time restriction and current time is too early
　　*/
　　const PVMFStatus PVMFErrDrmLicenseNotYetValid = (-34);
　　/*
　　DRM rights are insufficient for the requested operation
　　*/
　　const PVMFStatus PVMFErrDrmInsufficientRights = (-35);
　　/*
　　DRM rights require higher output protection level than supported by the device
　　*/
　　const PVMFStatus PVMFErrDrmOutputProtectionLevel = (-36);
　　/*
　　DRM clock rollback detected.
　　*/
　　const PVMFStatus PVMFErrDrmClockRollback = (-37);
　　/*
　　DRM clock is not available or cannot be read
　　*/
　　const PVMFStatus PVMFErrDrmClockError = (-38);
　　/*
　　DRM license store is corrupted
　　*/
　　const PVMFStatus PVMFErrDrmLicenseStoreCorrupt = (-39);
　　/*
　　DRM license store is not valid for the device.
　　*/
　　const PVMFStatus PVMFErrDrmLicenseStoreInvalid = (-40);
　　/*
　　DRM license store access failed
　　*/
　　const PVMFStatus PVMFErrDrmLicenseStoreAccess = (-41);
　　/*
　　DRM Device data access failed
　　*/
　　const PVMFStatus PVMFErrDrmDeviceDataAccess = (-42);
　　/*
　　DRM network error occurred in server communication
　　*/
　　const PVMFStatus PVMFErrDrmNetworkError = (-43);
　　/*
　　DRM device ID cannot be determined
　　*/
　　const PVMFStatus PVMFErrDrmDeviceIDUnavailable = (-44);
　　/*
　　DRM data is not matched to device
　　*/
　　const PVMFStatus PVMFErrDrmDeviceDataMismatch = (-45);
　　/*
　　DRM cryptography operation failed
　　*/
　　const PVMFStatus PVMFErrDrmCryptoError = (-46);
　　/*
　　DRM license not found, but a preview of the content is available.
　　*/
　　const PVMFStatus PVMFErrDrmLicenseNotFoundPreviewAvailable = (-47);
　　/*
　　Error due to unable to communicate with server
　　*/
　　const PVMFStatus PVMFErrDrmServerError = (-48);
　　/*
　　Error when a license server requests registration to a domain.
　　*/
　　const PVMFStatus PVMFErrDrmDomainRequired = (-49);
　　/*
　　Error when a license server requests renewal of a domain registration.
　　*/
　　const PVMFStatus PVMFErrDrmDomainRenewRequired = (-50);
　　/*
　　Error when a license server reports that the device is not part of the domain.
　　*/
　　const PVMFStatus PVMFErrDrmDomainNotAMember = (-51);
　　/*
　　Error due to device currently not activated for drm-protected content playback
　　*/
　　const PVMFStatus PVMFErrDrmDeviceNotActivated = (-52);
　　/*
　　The metering certificate was not found in the store.
　　*/
　　const PVMFStatus PVMFErrDrmMeterCertNotFound = (-53);
　　/*
　　Service specific server error.
　　*/
　　const PVMFStatus PVMFErrDrmServerServiceSpecific = (-54);
　　/*
　　An internal server error occurred.
　　*/
　　const PVMFStatus PVMFErrDrmServerInternalError = (-55);
　　/*
　　The device limit for the domain has been reached.
　　*/
　　const PVMFStatus PVMFErrDrmServerDeviceLimitReached = (-56);
　　/*
　　The metering identifier is unknown.
　　*/
　　const PVMFStatus PVMFErrDrmServerUnknownMeteringID = (-57);
　　/*
　　The computer limit for the domain has been reached.
　　*/
　　const PVMFStatus PVMFErrDrmServerComputerLimitReached = (-58);
　　/*
　　The protocol version specified was not supported by the server.
　　*/
　　const PVMFStatus PVMFErrDrmServerProtocolVersionMismatch = (-59);
　　/*
　　The account identifier is unknown.
　　*/
　　const PVMFStatus PVMFErrDrmServerUnknownAccountID = (-60);
　　/*
　　Server redirected request to different server due to protocol mismatch.
　　*/
　　const PVMFStatus PVMFErrDrmServerProtocolRedirect = (-61);
　　/*
　　*/
　　/*
　　... this range reserved for future DRM-related errors
　　*/
　　/*
　　DRM Operational Error not otherwise specified
　　*/
　　const PVMFStatus PVMFErrDrmOperationFailed = (-81);
　　/*
　　Error returned when the video container is not valid for progressive playback.
　　*/
　　const PVMFStatus PVMFErrContentInvalidForProgressivePlayback = (-82);
　　/*
　　RTSP Error codes
　　*/
　　const PVMFStatus PVMFErrRTSP400BadRequest = (-83);
　　const PVMFStatus PVMFErrRTSP401Unauthorized = (-84);
　　const PVMFStatus PVMFErrRTSP402CodePaymentRequired = (-85);
　　const PVMFStatus PVMFErrRTSP403Forbidden = (-86);
　　const PVMFStatus PVMFErrRTSP404NotFound = (-87);
　　const PVMFStatus PVMFErrRTSP405MethodNotAllowed = (-88);
　　const PVMFStatus PVMFErrRTSP406NotAcceptable = (-89);
　　const PVMFStatus PVMFErrRTSP407ProxyAuthenticationRequired = (-90);
　　const PVMFStatus PVMFErrRTSP408RequestTimeOut = (-91);
　　const PVMFStatus PVMFErrRTSP410Gone = (-92);
　　const PVMFStatus PVMFErrRTSP411LengthRequired = (-93);
　　const PVMFStatus PVMFErrRTSP412PreconditionFailed = (-94);
　　const PVMFStatus PVMFErrRTSP413RequestEntityTooLarge = (-95);
　　const PVMFStatus PVMFErrRTSP414RequestURITooLarge = (-96);
　　const PVMFStatus PVMFErrRTSP415UnsupportedMediaType = (-97);
　　const PVMFStatus PVMFErrRTSP451ParameterNotUnderstood = (-98);
　　const PVMFStatus PVMFErrRTSP452ConferenceNotFound = (-99);
　　const PVMFStatus PVMFErrRTSP453NotEnoughBandwidth = (-100);
　　const PVMFStatus PVMFErrRTSP454SessionNotFound = (-101);
　　const PVMFStatus PVMFErrRTSP455MethodNotValidInThisState = (-102);
　　const PVMFStatus PVMFErrRTSP456HeaderFieldNotValidForResource = (-103);
　　const PVMFStatus PVMFErrRTSP457InvalidRange = (-104);
　　const PVMFStatus PVMFErrRTSP458ParameterIsReadOnly = (-105);
　　const PVMFStatus PVMFErrRTSP459AggregateOperationNotAllowed = (-106);
　　const PVMFStatus PVMFErrRTSP460OnlyAggregateOperationAllowed = (-107);
　　const PVMFStatus PVMFErrRTSP461UnsupportedTransport = (-108);
　　const PVMFStatus PVMFErrRTSP462DestinationUnreachable = (-109);
　　const PVMFStatus PVMFErrRTSP480UnsupportedClient = (-110);
　　const PVMFStatus PVMFErrRTSP500InternalServerError = (-111);
　　const PVMFStatus PVMFErrRTSP501NotImplemented = (-112);
　　const PVMFStatus PVMFErrRTSP502BadGateway = (-113);
　　const PVMFStatus PVMFErrRTSP503ServiceUnavailable = (-114);
　　const PVMFStatus PVMFErrRTSP504GatewayTimeout = (-115);
　　const PVMFStatus PVMFErrRTSP505RTSPVersionNotSupported = (-116);
　　/*
　　Notification that a port was created
　　*/
　　const PVMFStatus PVMFInfoPortCreated = 10;
　　/*
　　Notification that a port was deleted
　　*/
　　const PVMFStatus PVMFInfoPortDeleted = 11;
　　/*
　　Notification that a port was connected
　　*/
　　const PVMFStatus PVMFInfoPortConnected = 12;
　　/*
　　Notification that a port was disconnected
　　*/
　　const PVMFStatus PVMFInfoPortDisconnected = 13;
　　/*
　　Notification that an overflow occurred (not fatal error)
　　*/
　　const PVMFStatus PVMFInfoOverflow = 14;
　　/*
　　Notification that an underflow occurred (not fatal error)
　　*/
　　const PVMFStatus PVMFInfoUnderflow = 15;
　　/*
　　Notification that a processing failure occurred (not fatal error)
　　*/
　　const PVMFStatus PVMFInfoProcessingFailure = 16;
　　/*
　　Notification that end of data stream has been reached
　　*/
　　const PVMFStatus PVMFInfoEndOfData = 17;
　　/*
　　Notification that a data buffer has been created
　　*/
　　const PVMFStatus PVMFInfoBufferCreated = 18;
　　/*
　　Notification that buffering of data has started
　　*/
　　const PVMFStatus PVMFInfoBufferingStart = 19;
　　/*
　　Notification for data buffering level status
　　*/
　　const PVMFStatus PVMFInfoBufferingStatus = 20;
　　/*
　　Notification that data buffering has completed
　　*/
　　const PVMFStatus PVMFInfoBufferingComplete = 21;
　　/*
　　Notification that data is ready for use
　　*/
　　const PVMFStatus PVMFInfoDataReady = 22;
　　/*
　　Notification for position status
　　*/
　　const PVMFStatus PVMFInfoPositionStatus = 23;
　　/*
　　Notification for node state change
　　*/
　　const PVMFStatus PVMFInfoStateChanged = 24;
　　/*
　　Notification that data was discarded during synchronization.
　　*/
　　const PVMFStatus PVMFInfoDataDiscarded = 25;
　　/*
　　Notification that error handling has started
　　*/
　　const PVMFStatus PVMFInfoErrorHandlingStart = 26;
　　/*
　　Notification that error handling has completed
　　*/
　　const PVMFStatus PVMFInfoErrorHandlingComplete = 27;
　　/*
　　Notification from a remote source
　　*/
　　const PVMFStatus PVMFInfoRemoteSourceNotification = 28;
　　/*
　　Notification that license acquisition has started.
　　*/
　　const PVMFStatus PVMFInfoLicenseAcquisitionStarted = 29;
　　/*
　　Notification that download content length is available
　　*/
　　const PVMFStatus PVMFInfoContentLength = 30;
　　/*
　　Notification that downloaded content reaches the maximum request size, and will
　　be truncated, especially for the case of unavailable content length
　　*/
　　const PVMFStatus PVMFInfoContentTruncated = 31;
　　/*
　　Notification that source format is not supported, typically sent
　　during protocol rollover
　　*/
　　const PVMFStatus PVMFInfoSourceFormatNotSupported = 32;
　　/*
　　Notification that a clip transition has occurred while playing a playlist
　　*/
　　const PVMFStatus PVMFInfoPlayListClipTransition = 33;
　　/*
　　Notification that content type for download or HTTP streaming is available
　　*/
　　const PVMFStatus PVMFInfoContentType = 34;
　　/*
　　Notification that paticular track is disable. This one is on a per track basis.
　　*/
　　const PVMFStatus PVMFInfoTrackDisable = 35;
　　/*
　　Notification that unexpected data has been obtained, especially for download,
　　when client receives from server more data than requested in content-length header
　　*/
　　const PVMFStatus PVMFInfoUnexpectedData = 36;
　　/*
　　Notification that server discnnect happens after download is complete
　　*/
　　const PVMFStatus PVMFInfoSessionDisconnect = 37;
　　/*
　　Notification that new meadi stream has been started
　　*/
　　const PVMFStatus PVMFInfoStartOfData = 38;
　　/*
　　Notification that node has processed a command with ReportObserver marker info
　　*/
　　const PVMFStatus PVMFInfoReportObserverRecieved = 39;
　　/*
　　Notification that meta data is available with source node
　　*/
　　const PVMFStatus PVMFInfoMetadataAvailable = 40;
　　/*
　　Notification that duration is available with source node
　　*/
　　const PVMFStatus PVMFInfoDurationAvailable = 41;
　　/*
　　Notification that Change Position request not supported
　　*/
　　const PVMFStatus PVMFInfoChangePlaybackPositionNotSupported = 42;
　　/*
　　Notification that the content is poorly inter-leaved
　　*/
　　const PVMFStatus PVMFInfoPoorlyInterleavedContent = 43;
　　/*
　　Notification for actual playback position after repositioning
　　*/
　　const PVMFStatus PVMFInfoActualPlaybackPosition = 44;
　　/*
　　Notification that the live buffer is empty
　　*/
　　const PVMFStatus PVMFInfoLiveBufferEmpty = 45;
　　/*
　　Notification that a server has responded with 200 OK to a Playlist play request
　　*/
　　const PVMFStatus PVMFInfoPlayListSwitch = 46;
　　/*
　　Notification of configuration complete
　　*/
　　const PVMFStatus PVMFMIOConfigurationComplete = 47;
　　/*
　　Notification that the video track is falling behind
　　*/
　　const PVMFStatus PVMFInfoVideoTrackFallingBehind = 48;
　　/*
　　Notification that memory is not available for new RTP packets
　　*/
　　const PVMFStatus PVMFInfoSourceOverflow = 49;
　　/*
　　Notification for Media data length in shoutcast session
　　*/
　　const PVMFStatus PVMFInfoShoutcastMediaDataLength = 50;
　　/*
　　Notification for clip bitrate in shoutcast session
　　*/
　　const PVMFStatus PVMFInfoShoutcastClipBitrate = 51;
　　/*
　　Notification for shoutcast session
　　*/
　　const PVMFStatus PVMFInfoIsShoutcastSesssion = 52;
　　/*
　　Notification that the engine must select tracks (for e.g. during a 3GPP FCS)
　　*/
　　const PVMFStatus PVMFInfoTrackSelectionNeeded = 53;
　　/*
　　Notification for corrupted clip during playlist playback
　　*/
　　const PVMFStatus PVMFInfoClipCorrupted = 54;
　　/*
　　Notification that source format has been updated
　　*/
　　const PVMFStatus PVMFInfoSourceFormatUpdated = 55;
　　/*
　　Notification for invalid ts in the RTP packet
　　*/
　　const PVMFStatus PVMFErrInvalidRTPTimeInPkt = 56;
　　/*
　　Notification that pvmiGetBufferAllocatorSpecificInfoSync was unsuccessful
　　*/
　　const PVMFStatus PVMFPvmiBufferAllocatorNotAcquired = 55;
　　/*
　　Notification that pvmiGetBufferAllocatorSpecificInfoSync was successful
　　*/
　　const PVMFStatus PVMFPvmiBufferAlloctorAcquired = 56;