于俊
11 months ago
parent
32416d5fee
commit
a2478ed429
@ -0,0 +1,17 @@ |
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package com.github.tvbox.osc.player; |
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import android.content.Context; |
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import xyz.doikki.videoplayer.player.PlayerFactory; |
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public class ExoMediaPlayerFactory extends PlayerFactory<ExoPlayer> { |
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public static ExoMediaPlayerFactory create() { |
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return new ExoMediaPlayerFactory(); |
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} |
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@Override |
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public ExoPlayer createPlayer(Context context) { |
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return new ExoPlayer(context); |
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} |
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} |
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@ -0,0 +1,174 @@ |
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package com.github.tvbox.osc.player; |
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import android.content.Context; |
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import android.util.Pair; |
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import com.github.tvbox.osc.util.LOG; |
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import com.google.android.exoplayer2.Format; |
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import com.google.android.exoplayer2.SimpleExoPlayer; |
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import com.google.android.exoplayer2.source.TrackGroup; |
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import com.google.android.exoplayer2.source.TrackGroupArray; |
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import com.google.android.exoplayer2.trackselection.DefaultTrackSelector; |
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import com.google.android.exoplayer2.trackselection.MappingTrackSelector; |
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import xyz.doikki.videoplayer.exo.ExoMediaPlayer; |
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import com.google.android.exoplayer2.C; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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public class ExoPlayer extends ExoMediaPlayer { |
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public ExoPlayer(Context context) { |
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super(context); |
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} |
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// 3. 获取所有轨道信息
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public TrackInfo getTrackInfo() { |
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TrackInfo data = new TrackInfo(); |
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MappingTrackSelector.MappedTrackInfo mappedInfo = getMappingTrackSelector().getCurrentMappedTrackInfo(); |
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if (mappedInfo == null) return data; |
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DefaultTrackSelector.Parameters params = ((DefaultTrackSelector) getMappingTrackSelector()).getParameters(); |
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for (int rendererIndex = 0; rendererIndex < mappedInfo.getRendererCount(); rendererIndex++) { |
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int type = mappedInfo.getRendererType(rendererIndex); |
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TrackGroupArray groups = mappedInfo.getTrackGroups(rendererIndex); |
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DefaultTrackSelector.SelectionOverride override = params.getSelectionOverride(rendererIndex, groups); |
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boolean hasSelected = false; |
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for (int groupIndex = 0; groupIndex < groups.length; groupIndex++) { |
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TrackGroup group = groups.get(groupIndex); |
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for (int trackIndex = 0; trackIndex < group.length; trackIndex++) { |
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Format fmt = group.getFormat(trackIndex); |
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TrackInfoBean bean = new TrackInfoBean(); |
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bean.language = getLanguage(fmt); |
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bean.name = getName(fmt); |
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bean.groupIndex = groupIndex; |
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bean.index = trackIndex; |
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boolean selected = false; |
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if (override != null) { |
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if(override.groupIndex == groupIndex){ |
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for (int t : override.tracks) { |
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if (t == trackIndex) { |
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selected = true; |
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hasSelected = true; |
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break; |
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} |
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} |
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} |
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}else if (type == C.TRACK_TYPE_AUDIO && !hasSelected) { |
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selected = true; |
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hasSelected = true; |
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} |
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bean.selected = selected; |
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if (type == C.TRACK_TYPE_AUDIO) { |
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data.addAudio(bean); |
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} else if (type == C.TRACK_TYPE_TEXT) { |
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data.addSubtitle(bean); |
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} |
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} |
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} |
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} |
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return data; |
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} |
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protected MappingTrackSelector getMappingTrackSelector() { |
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if (mTrackSelector instanceof MappingTrackSelector) { |
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return (MappingTrackSelector) mTrackSelector; |
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} |
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throw new IllegalStateException("trackSelector 必须是 MappingTrackSelector 类型"); |
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} |
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/** |
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* 设置当前播放的音轨 |
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* @param groupIndex 音轨组的索引 |
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* @param trackIndex 音轨在组内的索引 |
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*/ |
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public void setTrack(int groupIndex, int trackIndex) { |
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try { |
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DefaultTrackSelector trackSelector = (DefaultTrackSelector) getMappingTrackSelector(); |
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MappingTrackSelector.MappedTrackInfo mappedInfo = trackSelector.getCurrentMappedTrackInfo(); |
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if (mappedInfo == null) { |
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LOG.i("echo-setTrack: MappedTrackInfo is null"); |
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return; |
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} |
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int audioRendererIndex = findAudioRendererIndex(mappedInfo); |
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if (audioRendererIndex == C.INDEX_UNSET) { |
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LOG.i("echo-setTrack: No audio renderer found"); |
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return; |
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} |
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TrackGroupArray audioGroups = mappedInfo.getTrackGroups(audioRendererIndex); |
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if (!isTrackIndexValid(audioGroups, groupIndex, trackIndex)) { |
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LOG.i("echo-setTrack: Invalid track index - group:" + groupIndex + ", track:" + trackIndex); |
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return; |
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} |
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DefaultTrackSelector.SelectionOverride newOverride = new DefaultTrackSelector.SelectionOverride(groupIndex, trackIndex); |
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DefaultTrackSelector.ParametersBuilder builder = trackSelector.buildUponParameters(); |
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builder.clearSelectionOverrides(audioRendererIndex); |
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builder.setSelectionOverride(audioRendererIndex, audioGroups, newOverride); |
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trackSelector.setParameters(builder.build()); |
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} catch (Exception e) { |
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LOG.i("echo-setTrack error: " + e.getMessage()); |
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} |
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} |
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/** |
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* 查找音频渲染器索引 |
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*/ |
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private int findAudioRendererIndex(MappingTrackSelector.MappedTrackInfo mappedInfo) { |
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for (int i = 0; i < mappedInfo.getRendererCount(); i++) { |
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if (mappedInfo.getRendererType(i) == C.TRACK_TYPE_AUDIO) { |
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return i; |
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} |
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} |
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return C.INDEX_UNSET; |
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} |
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/** |
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* 验证音轨索引是否有效 |
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*/ |
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private boolean isTrackIndexValid(TrackGroupArray groups, int groupIndex, int trackIndex) { |
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if (groupIndex < 0 || groupIndex >= groups.length) { |
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return false; |
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} |
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TrackGroup group = groups.get(groupIndex); |
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return trackIndex >= 0 && trackIndex < group.length; |
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} |
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private static final Map<String, String> LANG_MAP = new HashMap<>(); |
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static { |
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LANG_MAP.put("zh", "中文"); |
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LANG_MAP.put("zh-cn", "中文"); |
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LANG_MAP.put("en", "英语"); |
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LANG_MAP.put("en-us", "英语"); |
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} |
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private String getLanguage(Format fmt){ |
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String lang = fmt.language; |
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if (lang == null || lang.isEmpty() || "und".equalsIgnoreCase(lang)) { |
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return "未知"; |
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} |
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String name = LANG_MAP.get(lang.toLowerCase()); |
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return name != null ? name : lang; |
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} |
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private String getName(Format fmt){ |
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String channelLabel; |
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if (fmt.channelCount <= 0) { |
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channelLabel = ""; |
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} else if (fmt.channelCount == 1) { |
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channelLabel = "单声道"; |
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} else if (fmt.channelCount == 2) { |
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channelLabel = "立体声"; |
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} else { |
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channelLabel = fmt.channelCount + " 声道"; |
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} |
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String codec = ""; |
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if (fmt.sampleMimeType != null) { |
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String mime = fmt.sampleMimeType.substring(fmt.sampleMimeType.indexOf('/') + 1); |
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codec = mime.toUpperCase(); |
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} |
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return String.join(", ", channelLabel, codec); |
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} |
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} |
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