ExoPlayer无法播放分辨率为1080p的实时流

Question

我正在尝试播放一些m3u8网址，但如果exoplayer的分辨率为1080p或更高，则exoplayer似乎无法播放它们，它只能播放分辨率为720p或更低的流。有没有办法让exoplayer以1080p播放这些流？如果需要的话，我什至将我的streamplayer.java都留在这里，硬件加速也为“ true”。如果某人在他们的应用程序中遇到了exoplayer的问题，请给我一些建议，因为我是android的新开发人员，而我正在努力创建自己的第一个应用程序。谢谢你。

        mediaDataSourceFactory = buildDataSourceFactory(true);

        mainHandler = new Handler();
        BandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();

        RenderersFactory renderersFactory = new DefaultRenderersFactory(this);

        TrackSelection.Factory videoTrackSelectionFactory = new AdaptiveTrackSelection.Factory(bandwidthMeter);
        TrackSelector trackSelector = new DefaultTrackSelector(videoTrackSelectionFactory);

        LoadControl loadControl = new DefaultLoadControl();


        player = ExoPlayerFactory.newSimpleInstance(renderersFactory, trackSelector, loadControl);

        playerView = findViewById(R.id.exoPlayerView);
        playerView.setPlayer(player);
        playerView.setUseController(true);
        playerView.requestFocus();

        Uri uri = Uri.parse(url);
        MediaSource mediaSource = buildMediaSource(uri,null);

        player.prepare(mediaSource);
        player.setPlayWhenReady(true);

        player.addListener(new Player.EventListener() {
            @Override
            public void onTimelineChanged(Timeline timeline, @Nullable Object manifest, int reason) {
                Log.d(TAG, "onTimelineChanged: ");
            }

            @Override
            public void onTracksChanged(TrackGroupArray trackGroups, TrackSelectionArray trackSelections) {
                Log.d(TAG, "onTracksChanged: " + trackGroups.length);
            }

            @Override
            public void onLoadingChanged(boolean isLoading) {
                Log.d(TAG, "onLoadingChanged: " + isLoading);
            }

            @Override
            public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
                Log.d(TAG, "onPlayerStateChanged: " + playWhenReady);
                if (playbackState == PlaybackStateCompat.STATE_PLAYING) {
                }
            }

            @Override
            public void onRepeatModeChanged(int repeatMode) {

            }

            @Override
            public void onShuffleModeEnabledChanged(boolean shuffleModeEnabled) {

            }

            @Override
            public void onPlayerError(ExoPlaybackException error) {
                Log.e(TAG, "onPlayerError: ", error);
                player.stop();
            }

            @Override
            public void onPositionDiscontinuity(int reason) {
                Log.d(TAG, "onPositionDiscontinuity: true");
            }

            @Override
            public void onPlaybackParametersChanged(PlaybackParameters playbackParameters) {

            }

            @Override
            public void onSeekProcessed() {

            }
        });

        Log.d("INFO", "ActivityVideoPlayer");

    }
    private MediaSource buildMediaSource(Uri uri, String overrideExtension) {
        int type = TextUtils.isEmpty(overrideExtension) ? Util.inferContentType(uri)
                : Util.inferContentType("." + overrideExtension);
        switch (type) {
            case C.TYPE_SS:
                return new SsMediaSource.Factory(new DefaultSsChunkSource.Factory(mediaDataSourceFactory), buildDataSourceFactory(true)).createMediaSource(uri);
            case C.TYPE_DASH:
                return new DashMediaSource.Factory(new DefaultDashChunkSource.Factory(mediaDataSourceFactory), buildDataSourceFactory(true)).createMediaSource(uri);
            case C.TYPE_HLS:
                return new HlsMediaSource.Factory(mediaDataSourceFactory).createMediaSource(uri);
            case C.TYPE_OTHER:
                return new ExtractorMediaSource.Factory(mediaDataSourceFactory).createMediaSource(uri);
            default: {
                throw new IllegalStateException("Unsupported type: " + type);
            }
        }
    }

    private DataSource.Factory buildDataSourceFactory(boolean useBandwidthMeter) {
        return buildDataSourceFactory(useBandwidthMeter ? BANDWIDTH_METER : null);
    }

    public DataSource.Factory buildDataSourceFactory(DefaultBandwidthMeter bandwidthMeter) {
        return new DefaultDataSourceFactory(this, bandwidthMeter,
                buildHttpDataSourceFactory(bandwidthMeter));
    }

    public HttpDataSource.Factory buildHttpDataSourceFactory(DefaultBandwidthMeter bandwidthMeter) {
        return new DefaultHttpDataSourceFactory(Util.getUserAgent(this, "ExoPlayer"), bandwidthMeter);
    }