feat(playback): 播放票据返回各清晰度地址

fruitshorts-module-playback/src/main/java/com/fruitshorts/playback/service/PlaybackService.java

@@ -13,6 +13,7 @@ import com.fruitshorts.media.service.TranscodeService;
 import com.fruitshorts.playback.dal.entity.PlaybackTicket;
 import com.fruitshorts.playback.dal.mapper.PlaybackTicketMapper;
 import com.fruitshorts.playback.vo.PlayRespVO;
+import com.fruitshorts.playback.vo.PlayTrackVO;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -87,6 +88,7 @@ public class PlaybackService {
         vo.setAccessible(true);
         vo.setAccessType(entitled && !free ? ACCESS_ENTITLED : ACCESS_FREE);
         vo.setPlayUrl(signedUrl);
+        vo.setTracks(tracksOf(episode.getId(), signedUrl));
 
         if (userId != null) {
             recordTicket(userId, drama.getId(), episode.getId(), signedUrl, deviceId, clientIp);
@@ -115,6 +117,29 @@ public class PlaybackService {
         return qualities;
     }
 
+    /** AUTO 用主列表，其余档位用各自的 index.m3u8，地址都签名。 */
+    private List<PlayTrackVO> tracksOf(Long episodeId, String signedAuto) {
+        List<PlayTrackVO> tracks = new ArrayList<>();
+        tracks.add(track("AUTO", signedAuto));
+        for (MediaRendition rendition : transcodeService.listRenditions(episodeId)) {
+            if (!StringUtils.hasText(rendition.getPlayUrl())) {
+                continue;
+            }
+            if (!"ready".equalsIgnoreCase(rendition.getStatus())) {
+                continue;
+            }
+            tracks.add(track(rendition.getQuality(), signer.sign(rendition.getPlayUrl())));
+        }
+        return tracks;
+    }
+
+    private PlayTrackVO track(String quality, String playUrl) {
+        PlayTrackVO track = new PlayTrackVO();
+        track.setQuality(quality);
+        track.setPlayUrl(playUrl);
+        return track;
+    }
+
     private void recordTicket(Long userId, Long dramaId, Long episodeId, String playUrl,
                               String deviceId, String clientIp) {
         PlaybackTicket ticket = new PlaybackTicket();

fruitshorts-module-playback/src/main/java/com/fruitshorts/playback/vo/PlayRespVO.java

@@ -23,6 +23,8 @@ public class PlayRespVO {
     private String playUrl;
     /** 可用的清晰度档位 */
     private List<String> qualities;
+    /** 各档签名地址。AUTO 是主播放列表，其余是单档 HLS。 */
+    private List<PlayTrackVO> tracks;
     /** 雪碧图 WebVTT 时间轴地址；没有产物时为 null */
     private String thumbnailsUrl;
     /** 需要多少金币解锁 */

fruitshorts-module-playback/src/main/java/com/fruitshorts/playback/vo/PlayTrackVO.java

@@ -0,0 +1,16 @@
+// Author: fruit.com.cn
+
+package com.fruitshorts.playback.vo;
+
+import lombok.Data;
+
+/** 一档可切换的清晰度及其签名播放地址。 */
+@Data
+public class PlayTrackVO {
+
+    /** AUTO 或 360p/480p/720p/1080p。 */
+    private String quality;
+
+    /** 签名后的播放地址，客户端原样使用。 */
+    private String playUrl;
+}