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;