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_HIPLAYER_INIT_STATE_H
17 #define HISTREAMER_HIPLAYER_INIT_STATE_H
18 
19 #include <memory>
20 
21 #include "foundation/log.h"
22 #include "foundation/osal/thread/mutex.h"
23 #include "pipeline/core/error_code.h"
24 #include "play_executor.h"
25 #include "state.h"
26 
27 namespace OHOS {
28 namespace Media {
29 class InitState : public State {
30 public:
InitState(StateId stateId,PlayExecutor & executor)31     explicit InitState(StateId stateId, PlayExecutor &executor) : State(stateId, "InitState", executor) {}
32 
33     ~InitState() override = default;
34 
SetSource(const Plugin::Any & param)35     std::tuple<ErrorCode, Action> SetSource(const Plugin::Any& param) override
36     {
37         std::shared_ptr<MediaSource> source;
38         if (!Plugin::Any::IsSameTypeWith<std::shared_ptr<MediaSource>>(param) ||
39             !(source = Plugin::AnyCast<std::shared_ptr<MediaSource>>(param))) {
40             return {ErrorCode::ERROR_INVALID_PARAMETER_TYPE, Action::ACTION_BUTT};
41         }
42         auto ret = executor_.DoSetSource(source);
43         Action action = ret == ErrorCode::SUCCESS ? Action::TRANS_TO_INIT : Action::ACTION_BUTT;
44         return {ret, action};
45     }
46 
Prepare()47     std::tuple<ErrorCode, Action> Prepare() override
48     {
49         return {ErrorCode::SUCCESS, Action::TRANS_TO_PREPARING};
50     }
51 
Stop()52     std::tuple<ErrorCode, Action> Stop() override
53     {
54         return {ErrorCode::SUCCESS, Action::TRANS_TO_STOPPED};
55     }
56 };
57 } // namespace Media
58 } // namespace OHOS
59 #endif
60