Android VideoView不会播放MKV文件

Android VideoView不会播放MKV文件,android,android-videoview,Android,Android Videoview,我的VideoViewer不会播放任何MKV文件。我已经测试了.3gp视频文件,它们工作正常,但MKV文件无法工作。视频从未显示,没有缓冲或任何东西。屏幕将显示良好,但正如我所说,视频播放器要么是看不见的,要么不在那里,我说不出来。在输出中,它会说一些大致如下的话: connect to ........ new range: ........ 根据MKV的大小,一遍又一遍地重复它们。然后,它将使应用程序停止响应或给出以下输出 输出为: 09-25 07:54:40.767: INFO/Act

我的VideoViewer不会播放任何MKV文件。我已经测试了.3gp视频文件,它们工作正常,但MKV文件无法工作。视频从未显示,没有缓冲或任何东西。屏幕将显示良好,但正如我所说,视频播放器要么是看不见的,要么不在那里,我说不出来。在输出中,它会说一些大致如下的话:

connect to ........
new range: ........
根据MKV的大小,一遍又一遍地重复它们。然后,它将使应用程序停止响应或给出以下输出

输出为:

09-25 07:54:40.767: INFO/ActivityManager(68): Starting: Intent { cmp=com.anime/.VideoPlayer } from pid 336
09-25 07:54:41.227: DEBUG/MediaPlayer(336): Couldn't open file on client side, trying server side
09-25 07:54:41.237: INFO/StagefrightPlayer(34): setDataSource('http://pbgl.net/Android/Naruto%20Shippuden/Hun_subtitle_sample1.mkv')
09-25 07:54:41.237: INFO/NuHTTPDataSource(34): connect to pbgl.net:80/Android/Naruto%20Shippuden/Hun_subtitle_sample1.mkv @0
09-25 07:54:41.767: INFO/ActivityManager(68): Displayed com.anime/.VideoPlayer: +968ms
09-25 07:54:43.017: INFO/NuCachedSource2(34): new range: offset= 821676
09-25 07:54:43.017: INFO/NuHTTPDataSource(34): connect to pbgl.net:80/Android/Naruto%20Shippuden/Hun_subtitle_sample1.mkv @821676
09-25 07:54:43.954: INFO/NuCachedSource2(34): new range: offset= 959025
09-25 07:54:43.954: INFO/NuHTTPDataSource(34): connect to pbgl.net:80/Android/Naruto%20Shippuden/Hun_subtitle_sample1.mkv @959025
09-25 07:54:45.564: INFO/NuCachedSource2(34): new range: offset= 1173410
09-25 07:54:45.564: INFO/NuHTTPDataSource(34): connect to pbgl.net:80/Android/Naruto%20Shippuden/Hun_subtitle_sample1.mkv @1173410
09-25 07:54:46.126: INFO/NuCachedSource2(34): ERROR_END_OF_STREAM
09-25 07:54:46.266: INFO/DEBUG(31): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
09-25 07:54:46.266: INFO/DEBUG(31): Build fingerprint: 'generic/sdk/generic:2.3.3/GRI34/101070:eng/test-keys'
09-25 07:54:46.266: INFO/DEBUG(31): pid: 34, tid: 345  >>> /system/bin/mediaserver <<<
09-25 07:54:46.266: INFO/DEBUG(31): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 00000024
09-25 07:54:46.266: INFO/DEBUG(31):  r0 00000000  r1 00000008  r2 00000003  r3 000151c0
09-25 07:54:46.266: INFO/DEBUG(31):  r4 0000fac0  r5 00014fb0  r6 00000000  r7 a30638bc
09-25 07:54:46.266: INFO/DEBUG(31):  r8 a2f60ab1  r9 0000f444  10 00100000  fp 00000001
09-25 07:54:46.266: INFO/DEBUG(31):  ip afc01100  sp 40606d58  lr a2ff0fd3  pc a2ff2b78  cpsr 40000030
09-25 07:54:46.426: INFO/DEBUG(31):          #00  pc 000f2b78  /system/lib/libstagefright.so
09-25 07:54:46.426: INFO/DEBUG(31):          #01  pc 000f0fce  /system/lib/libstagefright.so
09-25 07:54:46.426: INFO/DEBUG(31):          #02  pc 000f140e  /system/lib/libstagefright.so
09-25 07:54:46.436: INFO/DEBUG(31):          #03  pc 00054624  /system/lib/libstagefright.so
09-25 07:54:46.436: INFO/DEBUG(31):          #04  pc 00046290  /system/lib/libstagefright.so
09-25 07:54:46.436: INFO/DEBUG(31):          #05  pc 00047f08  /system/lib/libstagefright.so
09-25 07:54:46.436: INFO/DEBUG(31):          #06  pc 00044ea8  /system/lib/libstagefright.so
09-25 07:54:46.436: INFO/DEBUG(31):          #07  pc 00060a7e  /system/lib/libstagefright.so
09-25 07:54:46.436: INFO/DEBUG(31):          #08  pc 00060acc  /system/lib/libstagefright.so
09-25 07:54:46.436: INFO/DEBUG(31):          #09  pc 00011a7c  /system/lib/libc.so
09-25 07:54:46.446: INFO/DEBUG(31):          #10  pc 00011640  /system/lib/libc.so
09-25 07:54:46.446: INFO/DEBUG(31): code around pc:
09-25 07:54:46.446: INFO/DEBUG(31): a2ff2b58 685cd104 d101428c e0031c18 42933318 
09-25 07:54:46.446: INFO/DEBUG(31): a2ff2b68 2000d1f4 46c0bd70 47706a00 47706b00 
09-25 07:54:46.446: INFO/DEBUG(31): a2ff2b78 47706a40 600b6ac3 47706a80 47702001 
09-25 07:54:46.446: INFO/DEBUG(31): a2ff2b88 47702000 47702000 47702000 47702000 
09-25 07:54:46.446: INFO/DEBUG(31): a2ff2b98 6d591c03 47706d00 6dd91c03 47706d80 
09-25 07:54:46.446: INFO/DEBUG(31): code around lr:
09-25 07:54:46.446: INFO/DEBUG(31): a2ff0fb0 fd4cf001 1c2b4f76 447f3308 90079306 
09-25 07:54:46.446: INFO/DEBUG(31): a2ff0fc0 e0cb2300 98079904 fe26f001 f0011c06 
09-25 07:54:46.446: INFO/DEBUG(31): a2ff0fd0 a909fdd3 1c309003 fdd0f001 201c9005 
09-25 07:54:46.446: INFO/DEBUG(31): a2ff0fe0 ebb0f74d f7631c04 9408ff6f d0032c00 
09-25 07:54:46.446: INFO/DEBUG(31): a2ff0ff0 a9081c20 eba0f74d f0011c30 2801fd97 
09-25 07:54:46.446: INFO/DEBUG(31): stack:
09-25 07:54:46.446: INFO/DEBUG(31):     40606d18  000154c8  [heap]
09-25 07:54:46.446: INFO/DEBUG(31):     40606d1c  afc009cf  /system/lib/libstdc++.so
09-25 07:54:46.446: INFO/DEBUG(31):     40606d20  000154c8  [heap]
09-25 07:54:46.446: INFO/DEBUG(31):     40606d24  a8114ba7  /system/lib/libutils.so
09-25 07:54:46.446: INFO/DEBUG(31):     40606d28  0000fac0  [heap]
09-25 07:54:46.446: INFO/DEBUG(31):     40606d2c  000154c8  [heap]
09-25 07:54:46.446: INFO/DEBUG(31):     40606d30  a3060eb0  /system/lib/libstagefright.so
09-25 07:54:46.446: INFO/DEBUG(31):     40606d34  a8114ca9  /system/lib/libutils.so
09-25 07:54:46.446: INFO/DEBUG(31):     40606d38  00000002  
09-25 07:54:46.446: INFO/DEBUG(31):     40606d3c  40606d78  
09-25 07:54:46.446: INFO/DEBUG(31):     40606d40  00014fb0  [heap]
09-25 07:54:46.446: INFO/DEBUG(31):     40606d44  000154f0  [heap]
09-25 07:54:46.446: INFO/DEBUG(31):     40606d48  a30638bc  /system/lib/libstagefright.so
09-25 07:54:46.446: INFO/DEBUG(31):     40606d4c  a2f42a4d  /system/lib/libstagefright.so
09-25 07:54:46.446: INFO/DEBUG(31):     40606d50  df002777  
09-25 07:54:46.446: INFO/DEBUG(31):     40606d54  e3a070ad  
09-25 07:54:46.446: INFO/DEBUG(31): #01 40606d58  00000004  
09-25 07:54:46.446: INFO/DEBUG(31):     40606d5c  00000000  
09-25 07:54:46.446: INFO/DEBUG(31):     40606d60  00000004  
09-25 07:54:46.446: INFO/DEBUG(31):     40606d64  000152b0  [heap]
09-25 07:54:46.446: INFO/DEBUG(31):     40606d68  00000002  
09-25 07:54:46.446: INFO/DEBUG(31):     40606d6c  00000000  
09-25 07:54:46.446: INFO/DEBUG(31):     40606d70  00014fb8  [heap]
09-25 07:54:46.446: INFO/DEBUG(31):     40606d74  00015198  [heap]
09-25 07:54:46.446: INFO/DEBUG(31):     40606d78  0000fac0  [heap]
09-25 07:54:46.446: INFO/DEBUG(31):     40606d7c  00000000  
09-25 07:54:46.457: INFO/DEBUG(31):     40606d80  000152f0  [heap]
09-25 07:54:46.457: INFO/DEBUG(31):     40606d84  40606da0  
09-25 07:54:46.457: INFO/DEBUG(31):     40606d88  00014fb0  [heap]
09-25 07:54:46.457: INFO/DEBUG(31):     40606d8c  00000000  
09-25 07:54:46.457: INFO/DEBUG(31):     40606d90  40606e74  
09-25 07:54:46.457: INFO/DEBUG(31):     40606d94  a2ff1413  /system/lib/libstagefright.so
09-25 07:54:47.646: WARN/MediaMetadataRetriever(260): MediaMetadataRetriever server died!
09-25 07:54:47.646: WARN/AudioSystem(124): AudioFlinger server died!
09-25 07:54:47.646: WARN/AudioSystem(124): AudioPolicyService server died!
09-25 07:54:47.646: WARN/AudioSystem(336): AudioFlinger server died!
09-25 07:54:47.646: WARN/IMediaDeathNotifier(336): media server died
09-25 07:54:47.646: ERROR/MediaPlayer(336): error (100, 0)
09-25 07:54:47.646: ERROR/MediaPlayer(336): Error (100,0)
09-25 07:54:47.646: DEBUG/VideoView(336): Error: 100,0
09-25 07:54:47.666: WARN/AudioSystem(68): AudioFlinger server died!
09-25 07:54:47.666: WARN/AudioSystem(68): AudioPolicyService server died!
09-25 07:54:47.666: INFO/ServiceManager(28): service 'media.audio_flinger' died
09-25 07:54:47.666: INFO/ServiceManager(28): service 'media.audio_policy' died
09-25 07:54:47.666: INFO/ServiceManager(28): service 'media.player' died
09-25 07:54:47.666: INFO/ServiceManager(28): service 'media.camera' died
09-25 07:54:47.666: INFO/BootReceiver(68): Copying /data/tombstones/tombstone_04 to DropBox (SYSTEM_TOMBSTONE)
09-25 07:54:49.166: ERROR/AudioService(68): Media server died.
09-25 07:54:49.166: INFO/ServiceManager(68): Waiting for service media.audio_flinger...
09-25 07:54:49.977: INFO/(348): ServiceManager: 0xad50
09-25 07:54:49.977: DEBUG/AudioHardwareInterface(348): setMode(NORMAL)
09-25 07:54:49.977: INFO/CameraService(348): CameraService started (pid=348)
09-25 07:54:49.977: INFO/AudioFlinger(348): AudioFlinger's thread 0xc658 ready to run
09-25 07:54:50.198: ERROR/AudioService(68): Media server started.
09-25 07:54:50.207: DEBUG/AudioHardwareInterface(348): setMode(NORMAL)
MKV不是Android下的容器

支持的视频文件类型(容器格式)为:.3gp、.mp4和.webm。对支持的视频编解码器也有限制


此外,视频编解码器格式(h263、h264、mpeg-4、vp8)和容器格式(3gp、mp4、webm)是两种不同的格式。这意味着,即使你有一个.mp4文件,也不意味着Android可以播放它。它的内容还需要使用支持的编解码器进行编码。

由于Android 4.0+支持MKV视频,如上所述。但正如@Peter Knego所说,视频编解码器格式和容器格式是两件不同的事情

正如其他人已经指出的那样,Android媒体API的文档记录似乎很差(或者至少在提问时是这样)。然而,使用和的提示,我能够从两个示例视频中检索到这两个信息:

Uri videoUri = Uri.parse("android.resource://"
            + getPackageName() + "/" + R.raw.sample_video);
// Codec Format
extractor = new MediaExtractor();
extractor.setDataSource(this, videoUri, null);

for (int i = 0; i < extractor.getTrackCount(); i++) {
     MediaFormat format = extractor.getTrackFormat(i);
     String mime = format.getString(MediaFormat.KEY_MIME);
     if (mime.startsWith("video/")) {
         Log.d(TAG, "CODEC: " + mime);
         break;
     }
}
// Container Format
MediaMetadataRetriever mmr = new MediaMetadataRetriever();
mmr.setDataSource(this, videoUri);

Log.d(TAG, "CONTAINER: "
      + mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_MIMETYPE));

尽管我认为处理不受支持文件的最佳方法可能是使用
try/catch
块和/或
VideoView.setOneRorListening
(&),有人可以使用上述方法在播放媒体之前提取媒体的更多细节,或者至少记录出现问题时发生的情况。

我认为可以通过安装编解码器来播放MKV?我知道linux内核支持它。呃,那么媒体播放器应用程序如何播放MKV文件呢?我不太明白。他们将mkv容器打包,它可以包含多个流(视频、音频、字幕),然后根据流的类型将这些流提供给相应的编解码器。如果缺少编解码器,那么有时您将无法获得视频或音频。长话短说:您无法在Android上播放mkv文件,因为它的MediaPlayer不支持该格式。您必须编写自己的媒体播放器或使用现有的开源播放器,如VLC或MPlayer。
Uri videoUri = Uri.parse("android.resource://"
            + getPackageName() + "/" + R.raw.sample_video);
// Codec Format
extractor = new MediaExtractor();
extractor.setDataSource(this, videoUri, null);

for (int i = 0; i < extractor.getTrackCount(); i++) {
     MediaFormat format = extractor.getTrackFormat(i);
     String mime = format.getString(MediaFormat.KEY_MIME);
     if (mime.startsWith("video/")) {
         Log.d(TAG, "CODEC: " + mime);
         break;
     }
}
// Container Format
MediaMetadataRetriever mmr = new MediaMetadataRetriever();
mmr.setDataSource(this, videoUri);

Log.d(TAG, "CONTAINER: "
      + mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_MIMETYPE));
D/VideoActivity: CODEC: video/mp4v-es
D/VideoActivity: CONTAINER: video/x-matroska

D/VideoActivity: CODEC: video/avc
D/VideoActivity: CONTAINER: video/x-matroska