get playurl via api for transcoded play

app/src/main/java/org/sifacai/vlcjellyfin/Utils/JfClient.java

@@ -200,8 +200,46 @@ public class JfClient {
      * @return
      */
     public static String GetPlayUrl(String itemid) {
-        String playurl = config.getJellyfinUrl() + "/videos/" + itemid + "/stream.mp4?static=true&DeviceId=" + DeviceId + "&api_key=" + AccessToken;
+        String playbackurl = config.getJellyfinUrl() + "/Items/" + itemid + "/PlaybackInfo?UserId=" + UserId  + "&DeviceId=" + DeviceId + "&api_key=" + AccessToken;
-        return playurl;
+        // 可以修改各种具体参数如比特率，允许的编码方式，字幕烧录方式等
+        // 此处为 仅使用 h264 强制烧录字幕
+        String deviceProfile = "{\"DeviceProfile\":{\"MaxStreamingBitrate\":120000000,\"MaxStaticBitrate\":100000000,\"MusicStreamingTranscodingBitrate\":384000,\"DirectPlayProfiles\":[{\"Container\":\"mp4,m4v\",\"Type\":\"Video\",\"VideoCodec\":\"h264\",\"AudioCodec\":\"aac,mp3,opus,flac,vorbis\"},{\"Container\":\"mov\",\"Type\":\"Video\",\"VideoCodec\":\"h264\",\"AudioCodec\":\"aac,mp3,opus,flac,vorbis\"},{\"Container\":\"opus\",\"Type\":\"Audio\"},{\"Container\":\"webm\",\"AudioCodec\":\"opus\",\"Type\":\"Audio\"},{\"Container\":\"mp3\",\"Type\":\"Audio\"},{\"Container\":\"aac\",\"Type\":\"Audio\"},{\"Container\":\"m4a\",\"AudioCodec\":\"aac\",\"Type\":\"Audio\"},{\"Container\":\"m4b\",\"AudioCodec\":\"aac\",\"Type\":\"Audio\"},{\"Container\":\"flac\",\"Type\":\"Audio\"},{\"Container\":\"webma\",\"Type\":\"Audio\"},{\"Container\":\"webm\",\"AudioCodec\":\"webma\",\"Type\":\"Audio\"},{\"Container\":\"wav\",\"Type\":\"Audio\"},{\"Container\":\"ogg\",\"Type\":\"Audio\"}],\"TranscodingProfiles\":[{\"Container\":\"ts\",\"Type\":\"Audio\",\"AudioCodec\":\"aac\",\"Context\":\"Streaming\",\"Protocol\":\"hls\",\"MaxAudioChannels\":\"2\",\"MinSegments\":\"1\",\"BreakOnNonKeyFrames\":true},{\"Container\":\"aac\",\"Type\":\"Audio\",\"AudioCodec\":\"aac\",\"Context\":\"Streaming\",\"Protocol\":\"http\",\"MaxAudioChannels\":\"2\"},{\"Container\":\"mp3\",\"Type\":\"Audio\",\"AudioCodec\":\"mp3\",\"Context\":\"Streaming\",\"Protocol\":\"http\",\"MaxAudioChannels\":\"2\"},{\"Container\":\"opus\",\"Type\":\"Audio\",\"AudioCodec\":\"opus\",\"Context\":\"Streaming\",\"Protocol\":\"http\",\"MaxAudioChannels\":\"2\"},{\"Container\":\"wav\",\"Type\":\"Audio\",\"AudioCodec\":\"wav\",\"Context\":\"Streaming\",\"Protocol\":\"http\",\"MaxAudioChannels\":\"2\"},{\"Container\":\"opus\",\"Type\":\"Audio\",\"AudioCodec\":\"opus\",\"Context\":\"Static\",\"Protocol\":\"http\",\"MaxAudioChannels\":\"2\"},{\"Container\":\"mp3\",\"Type\":\"Audio\",\"AudioCodec\":\"mp3\",\"Context\":\"Static\",\"Protocol\":\"http\",\"MaxAudioChannels\":\"2\"},{\"Container\":\"aac\",\"Type\":\"Audio\",\"AudioCodec\":\"aac\",\"Context\":\"Static\",\"Protocol\":\"http\",\"MaxAudioChannels\":\"2\"},{\"Container\":\"wav\",\"Type\":\"Audio\",\"AudioCodec\":\"wav\",\"Context\":\"Static\",\"Protocol\":\"http\",\"MaxAudioChannels\":\"2\"},{\"Container\":\"ts\",\"Type\":\"Video\",\"AudioCodec\":\"aac,mp3\",\"VideoCodec\":\"h264\",\"Context\":\"Streaming\",\"Protocol\":\"hls\",\"MaxAudioChannels\":\"2\",\"MinSegments\":\"1\",\"BreakOnNonKeyFrames\":true}],\"ContainerProfiles\":[],\"CodecProfiles\":[{\"Type\":\"Video\",\"Codec\":\"h264\",\"Conditions\":[{\"Condition\":\"NotEquals\",\"Property\":\"IsAnamorphic\",\"Value\":\"true\",\"IsRequired\":false},{\"Condition\":\"EqualsAny\",\"Property\":\"VideoProfile\",\"Value\":\"high|main|baseline|constrained baseline|high 10\",\"IsRequired\":false},{\"Condition\":\"EqualsAny\",\"Property\":\"VideoRangeType\",\"Value\":\"SDR\",\"IsRequired\":false},{\"Condition\":\"LessThanEqual\",\"Property\":\"VideoLevel\",\"Value\":\"52\",\"IsRequired\":false},{\"Condition\":\"NotEquals\",\"Property\":\"IsInterlaced\",\"Value\":\"true\",\"IsRequired\":false}]}],\"SubtitleProfiles\":[{\"Format\":\"vtt\",\"Method\":\"Embed\"},{\"Format\":\"ass\",\"Method\":\"Embed\"},{\"Format\":\"ssa\",\"Method\":\"Embed\"}],\"ResponseProfiles\":[{\"Type\":\"Video\",\"Container\":\"m4v\",\"MimeType\":\"video/mp4\"}]}}";
+        
+        SendPost(url, deviceProfile, new JJCallBack() {
+            @Override
+            public void onSuccess(String str) {
+                try {
+                    // 使用Gson解析JSON数据
+                    Gson gson = new Gson();
+                    JsonObject jsonObject = gson.fromJson(str, JsonObject.class);
+                    JsonArray mediaSources = jsonObject.getAsJsonArray("MediaSources");
+
+                    // 检查MediaSources是否为空
+                    if (mediaSources != null && mediaSources.size() > 0) {
+                        JsonObject mediaSource = mediaSources.get(0).getAsJsonObject();
+                        String transcodingUrl = mediaSource.get("TranscodingUrl").getAsString();
+
+                        // 检查TranscodingUrl是否为空
+                        if (transcodingUrl != null && !transcodingUrl.isEmpty()) {
+                            String playurl = config.getJellyfinUrl() + transcodingUrl;
+                            // 返回TranscodingUrl
+                            return playurl;
+                        } else {
+                            // 返回默认的URL
+                            String playurl = config.getJellyfinUrl() + "/videos/" + itemid + "/stream.mp4?static=true&DeviceId=" + DeviceId + "&api_key=" + AccessToken;
+                            return playurl;
+                        }
+                    } else {
+                        String playurl = config.getJellyfinUrl() + "/videos/" + itemid + "/stream.mp4?static=true&DeviceId=" + DeviceId + "&api_key=" + AccessToken;
+                        return playurl;
+                    }
+                } catch (Exception e) {
+                    err.onError("寻找播放地址失败：" + e.getMessage() + "\n" + str)
+                    String playurl = config.getJellyfinUrl() + "/videos/" + itemid + "/stream.mp4?static=true&DeviceId=" + DeviceId + "&api_key=" + AccessToken;
+                    return playurl;
+                }
+            }
+        }, err);
     }
 
     public static void SearchByTerm(String term, int limit, JJCallBack scb, JJCallBack errcb) {