1 /*
2  * Copyright (c) 2021-2021 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_SCENE_LITE_HIPLAYER_IMPL_H
17 #define HISTREAMER_SCENE_LITE_HIPLAYER_IMPL_H
18 
19 #include <memory>
20 #include <unordered_map>
21 #include "foundation/osal/thread/condition_variable.h"
22 #include "foundation/osal/thread/mutex.h"
23 #include "internal/state_machine.h"
24 #include "pipeline/core/error_code.h"
25 #include "pipeline/core/media_sync_manager.h"
26 #include "pipeline/core/pipeline.h"
27 #include "pipeline/core/pipeline_core.h"
28 #include "pipeline/filters/codec/audio_decoder/audio_decoder_filter.h"
29 #include "pipeline/filters/demux/demuxer_filter.h"
30 #include "pipeline/filters/sink/audio_sink/audio_sink_filter.h"
31 #include "pipeline/filters/source/media_source/media_source_filter.h"
32 #ifdef VIDEO_SUPPORT
33 #include "pipeline/filters/codec/video_decoder/video_decoder_filter.h"
34 #include "pipeline/filters/sink/video_sink/video_sink_filter.h"
35 #endif
36 #include "play_executor.h"
37 #include "plugin/common/any.h"
38 #include "scene/common/media_stat_stub.h"
39 #include "scene/lite/hiplayer.h"
40 
41 namespace OHOS {
42 namespace Media {
43 class HiPlayerImpl : public Pipeline::EventReceiver,
44                      public PlayExecutor,
45                      public StateChangeCallback,
46                      public Pipeline::FilterCallback,
47                      public PlayerInterface {
48     friend class StateMachine;
49 
50 public:
51     ~HiPlayerImpl() override;
52 
53     static std::shared_ptr<HiPlayerImpl> CreateHiPlayerImpl();
54 
55     // interface from PlayerInterface
56     int32_t Init() override;
57     int32_t DeInit() override;
58     int32_t SetSource(const Source& source) override;
59     int32_t Prepare() override;
60     int32_t Play() override;
61     bool IsPlaying() override;
62     int32_t Pause() override;
63     int32_t Stop() override;
64     int32_t Reset() override;
65     int32_t Release() override;
66     int32_t Rewind(int64_t mSeconds, int32_t mode) override;
67     int32_t SetVolume(float leftVolume, float rightVolume) override;
68 #ifndef SURFACE_DISABLED
69     int32_t SetSurface(Surface* surface) override;
70 #endif
71     bool IsSingleLooping() override;
72     int32_t SetLoop(bool loop) override;
73     void SetPlayerCallback(const std::shared_ptr<PlayerCallback>& cb) override;
74     int32_t GetPlayerState(int32_t& state) override;
75     int32_t GetCurrentPosition(int64_t& currentPositionMs) override;
76     int32_t GetDuration(int64_t& outDurationMs) override;
77     int32_t GetVideoWidth(int32_t& videoWidth) override;
78     int32_t GetVideoHeight(int32_t& videoHeight) override;
79     int32_t SetPlaybackSpeed(float speed) override;
80     int32_t GetPlaybackSpeed(float& speed) override;
81     int32_t SetAudioStreamType(int32_t type) override;
82     void GetAudioStreamType(int32_t& type) override;
83     int32_t SetParameter(const Format& params) override;
84 
85     void OnEvent(const Event& event) override;
86 
87     ErrorCode SetBufferSize(size_t size);
88 
89     ErrorCode GetSourceMeta(std::shared_ptr<const Plugin::Meta>& meta) const;
90     ErrorCode GetTrackCnt(size_t& cnt) const;
91     ErrorCode GetTrackMeta(size_t id, std::shared_ptr<const Plugin::Meta>& meta) const;
92 
93     void OnStateChanged(StateId state) override;
94 
95     ErrorCode OnCallback(const Pipeline::FilterCallbackType& type, Pipeline::Filter* filter,
96                          const Plugin::Any& parameter) override;
97 
98     // interface from PlayExecutor
99     bool IsSingleLoop() override;
100     ErrorCode DoSetSource(const std::shared_ptr<MediaSource>& source) override;
101     ErrorCode PrepareFilters() override;
102     ErrorCode DoPlay() override;
103     ErrorCode DoPause() override;
104     ErrorCode DoResume() override;
105     ErrorCode DoStop() override;
106     ErrorCode DoReset() override;
107     ErrorCode DoSeek(int64_t hstTime, Plugin::SeekMode mode, bool appTriggered) override;
108     ErrorCode DoOnReady() override;
109     ErrorCode DoOnComplete() override;
110     ErrorCode DoOnError(ErrorCode) override;
111 
112 private:
113     PlayerStates TransStateId2PlayerState(StateId state);
114     const std::string& StringnessPlayerState(PlayerStates state);
115     static Plugin::SeekMode Transform2SeekMode(PlayerSeekMode mode);
116     HiPlayerImpl();
117     HiPlayerImpl(const HiPlayerImpl& other);
118     HiPlayerImpl& operator=(const HiPlayerImpl& other);
119     ErrorCode StopAsync();
120     ErrorCode SetVolumeToSink(float volume, bool reportUpward = true);
121     Pipeline::PFilter CreateAudioDecoder(const std::string& desc);
122 
123     ErrorCode NewAudioPortFound(Pipeline::Filter* filter, const Plugin::Any& parameter);
124 #ifdef VIDEO_SUPPORT
125     ErrorCode NewVideoPortFound(Pipeline::Filter* filter, const Plugin::Any& parameter);
126 #endif
127 
128     ErrorCode RemoveFilterChains(Pipeline::Filter* filter, const Plugin::Any& parameter);
129 
130     void ActiveFilters(const std::vector<Pipeline::Filter*>& filters);
131     void HandlePluginErrorEvent(const Event& event);
132     void UpdateStateNoLock(PlayerStates newState, bool notifyUpward = true);
133 
134     OSAL::Mutex stateMutex_;
135     OSAL::ConditionVariable cond_;
136     StateMachine fsm_;
137     std::atomic<StateId> curFsmState_;
138 
139     std::shared_ptr<Pipeline::PipelineCore> pipeline_;
140     std::atomic<PlayerStates> pipelineStates_ {PlayerStates::PLAYER_IDLE}; // only update in UpdateStateNoLock()
141     std::queue<PlayerStates> pendingStates_ {};
142     std::atomic<bool> initialized_ {false};
143 
144     std::shared_ptr<Pipeline::MediaSourceFilter> audioSource_;
145 
146     std::shared_ptr<Pipeline::DemuxerFilter> demuxer_;
147     std::shared_ptr<Pipeline::AudioDecoderFilter> audioDecoder_;
148     std::shared_ptr<Pipeline::AudioSinkFilter> audioSink_;
149 #ifdef VIDEO_SUPPORT
150     std::shared_ptr<Pipeline::VideoDecoderFilter> videoDecoder;
151     std::shared_ptr<Pipeline::VideoSinkFilter> videoSink;
152 #endif
153 
154     std::unordered_map<std::string, std::shared_ptr<Pipeline::AudioDecoderFilter>> audioDecoderMap_;
155 
156     std::weak_ptr<Plugin::Meta> sourceMeta_;
157     std::vector<std::weak_ptr<Plugin::Meta>> streamMeta_;
158     int64_t duration_ {-1};
159     std::atomic<bool> singleLoop_ {false};
160 
161     std::weak_ptr<PlayerCallback> callback_;
162     float volume_;
163     MediaStatStub mediaStats_;
164 
165     std::shared_ptr<Pipeline::MediaSyncManager> syncManager_;
166 };
167 } // namespace Media
168 } // namespace OHOS
169 #endif // HISTREAMER_SCENE_LITE_HIPLAYER_IMPL_H
170