1 /*
2  * Copyright (c) 2024-2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef HISTREAMER_HLS_PLAYLIST_DOWNLOADER_H
17 #define HISTREAMER_HLS_PLAYLIST_DOWNLOADER_H
18 
19 #include "playlist_downloader.h"
20 #include "m3u8.h"
21 
22 namespace OHOS {
23 namespace Media {
24 namespace Plugins {
25 namespace HttpPlugin {
26 class HlsPlayListDownloader : public PlayListDownloader {
27 public:
28     using PlayListDownloader::PlayListDownloader;
29     ~HlsPlayListDownloader() override;
30 
31     void Open(const std::string& url, const std::map<std::string, std::string>& httpHeader) override;
32     void UpdateManifest() override;
33     void ParseManifest(const std::string& location, bool isPreParse = false) override;
34     void SetPlayListCallback(PlayListChangeCallback* callback) override;
35     int64_t GetDuration() const override;
36     Seekable GetSeekable() const override;
37     void SelectBitRate(uint32_t bitRate) override;
38     std::vector<uint32_t> GetBitRates() override;
39     uint64_t GetCurrentBitRate() override;
40     int GetVedioHeight() override;
41     int GetVedioWidth() override;
42     bool IsBitrateSame(uint32_t bitRate) override;
43     uint32_t GetCurBitrate() override;
44     bool IsLive() const override;
45     void NotifyListChange();
46     void SetMimeType(const std::string& mimeType) override;
47     void PreParseManifest(const std::string& location) override;
48     bool IsParseAndNotifyFinished() override;
49     bool IsParseFinished() override;
50     std::string GetUrl();
51     std::shared_ptr<M3U8MasterPlaylist> GetMaster();
52     std::shared_ptr<M3U8VariantStream> GetCurrentVariant();
53     std::shared_ptr<M3U8VariantStream> GetNewVariant();
54     size_t GetSegmentOffset(uint32_t tsIndex) override;
55     bool GetHLSDiscontinuity() override;
56     void SetInitResolution(uint32_t width, uint32_t height) override;
57 
58 private:
59     void UpdateMasterInfo(bool isPreParse);
60     void UpdateMasterAndNotifyList(bool isPreParse);
61 private:
62     std::string url_ {};
63     PlayListChangeCallback* callback_ {nullptr};
64     std::shared_ptr<M3U8MasterPlaylist> master_;
65     std::shared_ptr<M3U8VariantStream> currentVariant_;
66     std::shared_ptr<M3U8VariantStream> newVariant_;
67     std::string mimeType_;
68     std::atomic<bool> isParseFinished_ {false};
69     std::atomic<bool> isNotifyPlayListFinished_ {false};
70     std::atomic<bool> isLiveUpdateTaskStarted_ {false};
71     uint32_t initResolution_ {0};
72 };
73 }
74 }
75 }
76 }
77 #endif