大佬们，一个视频怎么切换多个音轨

[zhuzhulove123]

大佬们，一个视频怎么切换多个音轨

[zhuzhulove123]

一个MP4视频，会有多个音调音频文件可以切换，怎么切换音轨

[CarGuo]

ijk

 binding.change.setOnClickListener(new View.OnClickListener() {
            int index = 0;

            @Override
            public void onClick(View view) {
                IjkMediaPlayer player =  ((IjkMediaPlayer)((IjkPlayerManager)binding.detailPlayer.getGSYVideoManager().getPlayer() ).getMediaPlayer());
                player.selectTrack(1);
            }
        });

exo

                    if (binding.detailPlayer.getGSYVideoManager().getPlayer() instanceof Exo2PlayerManager) {
                        IjkExo2MediaPlayer player = ((IjkExo2MediaPlayer) binding.detailPlayer.getGSYVideoManager().getPlayer().getMediaPlayer());
                        MappingTrackSelector.MappedTrackInfo mappedTrackInfo = player.getTrackSelector().getCurrentMappedTrackInfo();
                        if (mappedTrackInfo != null) {
                            for (int i = 0; i < mappedTrackInfo.getRendererCount(); i++) {
                                TrackGroupArray rendererTrackGroups = mappedTrackInfo.getTrackGroups(i);
                                if (C.TRACK_TYPE_AUDIO == mappedTrackInfo.getRendererType(i)) { //判断是否是音轨
                                    for (int j = 0; j < rendererTrackGroups.length; j++) {
                                        TrackGroup trackGroup = rendererTrackGroups.get(j);
                                        Debuger.printfError("####### " + trackGroup.getFormat(0).toString() + " #######");
                                    }
                                }
                            }
                        }
                    }