我有一个应用程序,其中包含一个VideoView,在内部存储(我的包的“files”目录)中播放mp4文件。
在某些三星Epic Touch 4g(Galaxy SII)设备上,视频不会显示,屏幕完全是黑色的。我的应用程序中的其他所有内容都表现正常并正常响应,因此设备并未“冻结”,只是屏幕上仅显示黑色而不是视频。
为了启动我的视频,我使用onPreparedListener回调来调用start():
mVideoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer arg0) {
mVideoView.start();
}
});
我使用以下代码调用播放视频:
//file is the reference to my video File object.
//I am positive that it is correct
mVideoView.setVideoPath(file.getAbsolutePath());
我已经设置了一个 onErrorListener,就像这样:
mVideoView.setOnErrorListener(new OnErrorListener(){
@Override
public boolean onError(MediaPlayer arg0, int arg1, int arg2) {
Log.i(myTag, "MP ERROR: "+ arg1 + " - " + arg2);
/* I have also tried this here, no luck this way either
mVideoView.setVideoPath(file.getAbsolutePath());
return true;
*/
return false;
}
});
仔细检查后,我意识到我的onErrorListener根本没有接收到回调。
当屏幕变黑时,日志一遍又一遍地被这些消息刷屏:
V/PlayerDriver(2579): HandleInformationalEvent: PVMFInfoProcessingFailure
V/PlayerDriver(2579): HandleInformationalEvent: type=16 UNHANDLED
E/MFC_DEC_APP(2579): SsbSipMfcDecExe] IOCTL_MFC_DEC_EXE failed(ret : -2001)
E/PVMFOMXVideoDecNode(2579): Ln 1652 OMX_EventError nData1 -2147479541 nData2 0
有时候,下面这两行会与以上4行的垃圾邮件一起混杂在一起。但是其他时候,在以上4行垃圾邮件的几次迭代后,这两行会单独被垃圾邮件攻击。
W/MediaPlayer(30537): info/warning (1, 16)
I/MediaPlayer(30537): Info (1,16)
我不认为我的视频出现编码问题(AVC MP4),因为完全相同的视频在一些Epic Touch 4g设备上运行良好(甚至在同一版本的操作系统上也是如此)。而且我以前在这个设备上使用了完全相同的视频,但是当该设备升级到2.3.6版本的操作系统时,就开始出现这些问题了。
有没有人能解释一下我看到的OMX/MFC错误?或者其他人是否遇到过VideoView仅显示黑屏而不是视频的问题?最后,还有其他方法可以启动准备/播放视频文件,以避免出现这些错误和黑屏?
编辑:我在这个文件中发现警告#16是:
/*
Notification that a processing failure occurred (not fatal error)
*/
const PVMFStatus PVMFInfoProcessingFailure = 16;
这应该是一个非致命性错误。我想这不是崩溃,所以它不是“致命”的,但无论发生了什么,都导致我的视频无法正确显示。
编辑2:在视频开始播放时从设备中获得更多日志。这些日志都在上面的日志垃圾邮件之前:
D/PowerManagerService(2677): acquireWakeLock flags=0xa tag=KEEP_SCREEN_ON_FLAG uid=1000 pid=2677 myUID=1000 myPID=2677 myTID=23672
I/ALSAModule(2579): Initialized ALSA PLAYBACK device hifi
W/AudioFlinger(2579): write blocked for 99 msecs, 318 delayed writes, thread 0x61a00
I/libfimc(2677): bool SecFimc::create(SecFimc::FIMC_DEV, fimc_overlay_mode, unsigned int):: Fimc reserved memory =0x57da0000
E/Surface(6585): Surface::init token -2 identity 3401
E/action=%s(2677): com.android.music.musicservicecommand
D/AudioService(2677): musicservicecommand
E/MediaPlayer-JNI(6585): setDataSource: outside path in JNI is ?x@
I/WindowManager(2677): CREATE SURFACE Surface(name=SurfaceView, identity=3401, mNativeSurface=0) IN SESSION android.view.SurfaceSession@40825e90: pid=6585 format=4 flags=0x200 / Window{40bbc478 SurfaceView paused=false}
D/MediaPlayerService(2579): getPlayerType. Ln=935
D/MediaPlayerService(2579): createPlayer. type=1
D/MediaPlayerService(2579): create PVPlayer
V/PlayerDriver(2579): PVSuspensionState struct constructor
V/PVPlayer(2579): PVPlayer constructor
V/PVPlayer(2579): construct PlayerDriver
V/PlayerDriver(2579): constructor
V/PlayerDriver(2579): OpenCore hardware module not found
V/PlayerDriver(2579): start player thread
V/PlayerDriver(2579): startPlayerThread
V/PlayerDriver(2579): InitializeForThread
V/PlayerDriver(2579): OMX_MasterInit
V/PlayerDriver(2579): OsclScheduler::Init
V/PlayerDriver(2579): CreatePlayer
D/(2579): SISO TEST registering PVMFRecognizerPluginFactory
D/(2579): SISO TEST registering PVMFRecognizerPluginFactory success
V/PlayerDriver(2579): AddToScheduler
V/PlayerDriver(2579): PendForExec
V/PlayerDriver(2579): OsclActiveScheduler::Current
V/PlayerDriver(2579): StartScheduler
V/PVPlayer(2579): send PLAYER_SETUP
V/PlayerDriver(2579): Send player code: 2
V/PlayerDriver(2579): CommandCompleted
V/PlayerDriver(2579): Completed command PLAYER_SETUP status=PVMFSuccess
V/PVPlayer(2579): setVideoSurface(0x46b0d0)
V/PVPlayer(2579): setVideoSurface(0x2d8cd0)
V/PVPlayer(2579): prepareAsync
D/ViewRoot(3990): handleAppVisibility:TN_USA_U1_SPR
V/PlayerDriver(2579): Send player code: 3
V/PlayerDriver(2579): handleSetDataSource
V/PlayerDriver(2579): handleSetDataSource- scanning for extension
V/PlayerDriver(2579): CommandCompleted
V/PlayerDriver(2579): Completed command PLAYER_SET_DATA_SOURCE status=PVMFSuccess
V/PVPlayer(2579): run_init s=0, cancelled=0
V/PlayerDriver(2579): Send player code: 6
V/PlayerDriver(2579): release string is 2.3.6 len 5
V/PlayerDriver(2579): HandleInformationalEvent: PVMFInfoDurationAvailable
V/PlayerDriver(2579): .... with duration = 168483 ms
V/PlayerDriver(2579): CommandCompleted
V/PlayerDriver(2579): Completed command PLAYER_INIT status=PVMFSuccess
V/PlayerDriver(2579): dongju PlayerCommand::PLAYER_INIT enter
V/PlayerDriver(2579): File EXT is : .mp4
E/PlayerDriver(2579): PlayerDriver::it is a not Protected file
V/PlayerDriver(2579): PlayerCommand::PLAYER_INIT exit
V/PVPlayer(2579): run_set_video_surface s=0, cancelled=0
V/PlayerDriver(2579): Send player code: 4
W/PlayerDriver(2579): Using generic video MIO
V/PlayerDriver(2579): CommandCompleted
V/PlayerDriver(2579): Completed command PLAYER_SET_VIDEO_SURFACE status=PVMFSuccess
V/PVPlayer(2579): run_set_audio_output s=0, cancelled=0
V/PlayerDriver(2579): Send player code: 5
V/PlayerDriver(2579): Create realtime output
V/PlayerDriver(2579): CommandCompleted
V/PlayerDriver(2579): Completed command PLAYER_SET_AUDIO_SINK status=PVMFSuccess
V/PVPlayer(2579): run_prepare s=0, cancelled=0
V/PlayerDriver(2579): Send player code: 7
V/PlayerDriver(2579): disable natpkt - 0
I/MFC_DEC_APP(2579): [SsbSipMfcDecOpen] MFC Library Ver 1.00
I/MFC_DEC_APP(2579): [SsbSipMfcDecOpen] handle(61)
V/PlayerDriver(2579): HandleInformationalEvent: UNKNOWN PVMFStatus
V/PlayerDriver(2579): HandleInformationalEvent: type=44 UNHANDLED
W/MediaPlayer(6585): info/warning (1, 44)
I/MediaPlayer(6585): Info (1,44)
V/PlayerDriver(2579): CommandCompleted
V/PlayerDriver(2579): Completed command PLAYER_PREPARE status=PVMFSuccess
V/PlayerDriver(2579): PLAYER_PREPARE complete mDownloadContextData=0x0, mDataReadyReceived=0
D/MediaPlayer(6585): getMetadata
V/PVPlayer(2579): setLooping(0)
V/PVPlayer(2579): check_for_live_streaming s=0, cancelled=0
V/PlayerDriver(2579): Send player code: 12
V/PVPlayer(2579): setLooping(0)
V/PlayerDriver(2579): Send player code: 12
E/PVPlayer(2579): isDrmfile playing 0
E/PVPlayer(2579): OPLBlocked = 0
E/MediaPlayerService(2579): MediaPlayerService::mIsAnyDrmVideoPlaying : 0
E/MediaPlayerService(2579): MediaPlayerService::mpCheckOPLBlocked : 0
V/PVPlayer(2579): start
E/AudioPolicyManager(2579): getParamFromPolicy
D/AudioPolicyManager(2579): mCurDevice is 2
V/AudioPolicyManager(2579): getDeviceForStrategy() strategy 0, device 2
V/AudioPolicyManager(2579): getNewDevice() selected device 2
I/FmRadioController(2677): Jni player_SetVolume :7
I/FmRadioController(2677): ---Jni player_SetVolume---
V/PlayerDriver(2579): Send player code: 8
V/PlayerDriver(2579): dongju handleStart
E/PlayerDriver(2579): PlayerDriver::handleTvOut state=[1]
E/PlayerDriver(2579): PlayerDriver::it is not a DRM file.So don't suspend TVOUT
V/PlayerDriver(2579): CommandCompleted
V/PlayerDriver(2579): Completed command PLAYER_START status=PVMFSuccess