After seeking, the video will pause for a moment, and the audio will be played first

[bestchangge]

After seeking, the video will pause for a moment, and the audio will be played first.

• I use ijkplayer seek to the same position 1:14:08, it will jump to the position 1:13:42

• I tried setting setSeekParameters (SeekParameters.CLOSEST_SYNC) but it doesn't work

• I don't need exact seek, how to seek quickly?

  ExoPlayer player = new ExoPlayer.Builder(context, renderersFactory)
               .setMediaSourceFactory(mediaSourceFactory)
               .setLoadControl(loadControl)
               .build();
       
   player.setSeekParameters(SeekParameters.CLOSEST_SYNC);
  

logcat:

行 134: 12-22 16:28:46.568 I/ExoPlayerImpl(13254): Init 2a7e31c [AndroidXMedia3/1.8.0] [ums9620_1h10, PD5011, inspur, 34]
    行 137: 12-22 16:28:46.576 D/EventLogger(13254): surfaceSize [eventTime=0.00, mediaPos=0.00, window=0, w=0, h=0]
    行 138: 12-22 16:28:46.580 D/EventLogger(13254): timeline [eventTime=0.00, mediaPos=0.00, window=0, periodCount=1, windowCount=1, reason=PLAYLIST_CHANGED
    行 139: 12-22 16:28:46.580 D/EventLogger(13254):   period [?]
    行 140: 12-22 16:28:46.580 D/EventLogger(13254):   window [?, seekable=false, dynamic=true]
    行 141: 12-22 16:28:46.580 D/EventLogger(13254): ]
    行 142: 12-22 16:28:46.581 D/EventLogger(13254): mediaItem [eventTime=0.01, mediaPos=0.00, window=0, reason=PLAYLIST_CHANGED]
    行 144: 12-22 16:28:46.582 D/EventLogger(13254): playWhenReady [eventTime=0.01, mediaPos=0.00, window=0, true, USER_REQUEST]
    行 145: 12-22 16:28:46.586 D/EventLogger(13254): state [eventTime=0.01, mediaPos=0.00, window=0, BUFFERING]
    行 165: 12-22 16:28:46.613 D/EventLogger(13254): audioSessionId [eventTime=0.04, mediaPos=0.00, window=0, 257]
    行 166: 12-22 16:28:46.616 D/EventLogger(13254): loading [eventTime=0.04, mediaPos=0.00, window=0, period=0, true]
    行 167: 12-22 16:28:46.618 D/EventLogger(13254): timeline [eventTime=0.04, mediaPos=0.00, window=0, period=0, periodCount=1, windowCount=1, reason=SOURCE_UPDATE
    行 168: 12-22 16:28:46.618 D/EventLogger(13254):   period [?]
    行 169: 12-22 16:28:46.618 D/EventLogger(13254):   window [?, seekable=false, dynamic=false]
    行 170: 12-22 16:28:46.618 D/EventLogger(13254): ]
    行 178: 12-22 16:28:46.690 D/EventLogger(13254): surfaceSize [eventTime=0.12, mediaPos=0.00, window=0, period=0, w=1920, h=1068]
    行 274: 12-22 16:28:46.990 D/EventLogger(13254): timeline [eventTime=0.42, mediaPos=0.00, window=0, period=0, periodCount=1, windowCount=1, reason=SOURCE_UPDATE
    行 275: 12-22 16:28:46.991 D/EventLogger(13254):   period [8896.11]
    行 276: 12-22 16:28:46.991 D/EventLogger(13254):   window [8896.11, seekable=true, dynamic=false]
    行 277: 12-22 16:28:46.991 D/EventLogger(13254): ]
    行 323: 12-22 16:28:47.033 D/EventLogger(13254): videoEnabled [eventTime=0.46, mediaPos=0.00, window=0, period=0]
    行 324: 12-22 16:28:47.034 D/EventLogger(13254): audioEnabled [eventTime=0.46, mediaPos=0.00, window=0, period=0]
    行 328: 12-22 16:28:47.036 D/EventLogger(13254): tracks [eventTime=0.46, mediaPos=0.00, window=0, period=0
    行 329: 12-22 16:28:47.036 D/EventLogger(13254):   group [ id=0
    行 360: 12-22 16:28:47.037 D/EventLogger(13254):     [X] Track:0, id=1/4113, mimeType=video/avc, container=video/mp2t, codecs=avc1.640028, res=1920x1080, color=BT709/Limited range/SDR SMPTE 170M/8/8, supported=YES
    行 361: 12-22 16:28:47.037 D/EventLogger(13254):   ]
    行 362: 12-22 16:28:47.037 D/EventLogger(13254):   group [ id=1
    行 364: 12-22 16:28:47.037 D/EventLogger(13254):     [X] Track:0, id=1/4352, mimeType=audio/mp4a-latm, container=video/mp2t, codecs=mp4a.40.2, channels=2, sample_rate=48000, supported=YES
    行 365: 12-22 16:28:47.037 D/EventLogger(13254):   ]
    行 366: 12-22 16:28:47.037 D/EventLogger(13254): ]
    行 367: 12-22 16:28:47.040 D/EventLogger(13254): downstreamFormat [eventTime=0.47, mediaPos=0.00, window=0, period=0, id=1/4113, mimeType=video/avc, container=video/mp2t, codecs=avc1.640028, res=1920x1080, color=BT709/Limited range/SDR SMPTE 170M/8/8]
    行 468: 12-22 16:28:47.062 D/EventLogger(13254): videoDecoderInitialized [eventTime=0.49, mediaPos=0.00, window=0, period=0, c2.unisoc.avc.decoder]
    行 474: 12-22 16:28:47.064 D/EventLogger(13254): videoInputFormat [eventTime=0.49, mediaPos=0.00, window=0, period=0, id=1/4113, mimeType=video/avc, container=video/mp2t, codecs=avc1.640028, res=1920x1080, color=BT709/Limited range/SDR SMPTE 170M/8/8]
    行 478: 12-22 16:28:47.065 D/EventLogger(13254): downstreamFormat [eventTime=0.49, mediaPos=0.00, window=0, period=0, id=1/4352, mimeType=audio/mp4a-latm, container=video/mp2t, codecs=mp4a.40.2, channels=2, sample_rate=48000]
    行 608: 12-22 16:28:47.102 D/EventLogger(13254): audioDecoderInitialized [eventTime=0.53, mediaPos=0.00, window=0, period=0, c2.android.aac.decoder]
    行 609: 12-22 16:28:47.103 D/EventLogger(13254): audioInputFormat [eventTime=0.53, mediaPos=0.00, window=0, period=0, id=1/4352, mimeType=audio/mp4a-latm, container=video/mp2t, codecs=mp4a.40.2, channels=2, sample_rate=48000]
    行 610: 12-22 16:28:47.104 D/EventLogger(13254): rendererReady [eventTime=0.53, mediaPos=0.00, window=0, period=0, rendererIndex=2, audio, true]
    行 791: 12-22 16:28:47.159 D/EventLogger(13254): audioTrackInit [eventTime=0.58, mediaPos=0.00, window=0, period=0, 2,12,48000,false,false,61568]
    行 822: 12-22 16:28:47.191 D/EventLogger(13254): videoSize [eventTime=0.61, mediaPos=0.00, window=0, period=0, w=1920, h=1080]
    行 836: 12-22 16:28:47.194 D/EventLogger(13254): renderedFirstFrame [eventTime=0.62, mediaPos=0.00, window=0, period=0, Surface(name=null)/@0x81654b0]
    行 855: 12-22 16:28:47.197 D/EventLogger(13254): rendererReady [eventTime=0.62, mediaPos=0.00, window=0, period=0, rendererIndex=0, video, true]
    行 968: 12-22 16:28:47.208 D/EventLogger(13254): surfaceSize [eventTime=0.63, mediaPos=0.00, window=0, period=0, w=1898, h=1068]
    行 1031: 12-22 16:28:47.219 D/EventLogger(13254): state [eventTime=0.64, mediaPos=0.16, window=0, period=0, READY]
    行 1039: 12-22 16:28:47.222 D/EventLogger(13254): isPlaying [eventTime=0.65, mediaPos=0.16, window=0, period=0, true]
    行 1353: 12-22 16:28:47.465 D/EventLogger(13254): audioPositionAdvancing [eventTime=0.89, mediaPos=0.21, window=0, period=0, since 0.84]
    行 1893: 12-22 16:28:48.247 D/EventLogger(13254): loading [eventTime=1.67, mediaPos=0.99, window=0, period=0, false]
    行 4189: 12-22 16:28:51.716 D/EventLogger(13254): positionDiscontinuity [eventTime=5.14, mediaPos=4448.06, window=0, period=0, reason=SEEK, PositionInfo:old [mediaItem=0, period=0, pos=4456], PositionInfo:new [mediaItem=0, period=0, pos=4448055]]
    行 4191: 12-22 16:28:51.717 D/EventLogger(13254): state [eventTime=5.14, mediaPos=4448.06, window=0, period=0, BUFFERING]
    行 4195: 12-22 16:28:51.719 D/EventLogger(13254): isPlaying [eventTime=5.14, mediaPos=4448.06, window=0, period=0, false]
    行 4245: 12-22 16:28:51.744 D/EventLogger(13254): loading [eventTime=5.17, mediaPos=4448.06, window=0, period=0, true]
    行 4246: 12-22 16:28:51.745 D/EventLogger(13254): rendererReady [eventTime=5.17, mediaPos=4448.06, window=0, period=0, rendererIndex=0, video, false]
    行 4247: 12-22 16:28:51.746 D/EventLogger(13254): rendererReady [eventTime=5.17, mediaPos=4448.06, window=0, period=0, rendererIndex=2, audio, false]
    行 4259: 12-22 16:28:51.760 D/EventLogger(13254): audioTrackReleased [eventTime=5.18, mediaPos=4448.06, window=0, period=0, 2,12,48000,false,false,61568]
    行 5057: 12-22 16:28:53.717 D/EventLogger(13254): rendererReady [eventTime=7.14, mediaPos=4448.06, window=0, period=0, rendererIndex=2, audio, true]
    行 5106: 12-22 16:28:53.768 D/EventLogger(13254): audioTrackInit [eventTime=7.19, mediaPos=4448.06, window=0, period=0, 2,12,48000,false,false,61568]
    行 5377: 12-22 16:28:54.452 D/EventLogger(13254): renderedFirstFrame [eventTime=7.87, mediaPos=4448.06, window=0, period=0, Surface(name=null)/@0x81654b0]
    行 5489: 12-22 16:28:54.460 D/EventLogger(13254): rendererReady [eventTime=7.88, mediaPos=4448.06, window=0, period=0, rendererIndex=0, video, true]
    行 5501: 12-22 16:28:54.463 D/EventLogger(13254): state [eventTime=7.89, mediaPos=4448.18, window=0, period=0, READY]
    行 5504: 12-22 16:28:54.466 D/EventLogger(13254): isPlaying [eventTime=7.89, mediaPos=4448.18, window=0, period=0, true]
    行 5725: 12-22 16:28:54.572 D/EventLogger(13254): audioPositionAdvancing [eventTime=8.00, mediaPos=4448.23, window=0, period=0, since 7.96]
    行 5727: 12-22 16:28:55.179 D/EventLogger(13254): loading [eventTime=8.60, mediaPos=4448.82, window=0, period=0, false]
    行 7513: 12-22 16:29:01.216 D/EventLogger(13254): loading [eventTime=14.64, mediaPos=4454.86, window=0, period=0, true]
    行 7971: 12-22 16:29:01.927 D/EventLogger(13254): loading [eventTime=15.35, mediaPos=4455.56, window=0, period=0, false]

seek1.mp4

[oceanjules]

It seems like you attached a video without any audio, so it's impossible to observe the "audio plays first" effect you are describing.

Can you share the media item with us for further debugging? You can post a link here or send an email to android-media-github@google.com with "Issue #2957" in the subject and then report back here.

We will try to reproduce it in the demo app, but please provide a code snippet for how you are performing the seek. Are you seeking programmatically? What is your loadControl? If you are seeking into the unbuffered zone, it would make sense that the player will pause for a bit, but the audio definitely shouldn't play, so we can investigate that further.

[bestchangge]

I have already sent an email

DefaultRenderersFactory renderersFactory = new DefaultRenderersFactory(context);
renderersFactory.forceEnableMediaCodecAsynchronousQueueing();
renderersFactory.setEnableDecoderFallback(true);
DefaultExtractorsFactory extractorsFactory = new DefaultExtractorsFactory();
extractorsFactory.setTsExtractorTimestampSearchBytes(700 * 188);
DefaultMediaSourceFactory mediaSourceFactory = new DefaultMediaSourceFactory(context, extractorsFactory);
ExoPlayer player = new ExoPlayer.Builder(context, renderersFactory)
        .setMediaSourceFactory(mediaSourceFactory)
        .build();

Seek operation：

player.seekTo(player.getDuration() / 2);