xref: /aosp_15_r20/external/oboe/src/flowgraph/SourceFloat.h (revision 05767d913155b055644481607e6fa1e35e2fe72c)
1*05767d91SRobert Wu /*
2*05767d91SRobert Wu  * Copyright 2018 The Android Open Source Project
3*05767d91SRobert Wu  *
4*05767d91SRobert Wu  * Licensed under the Apache License, Version 2.0 (the "License");
5*05767d91SRobert Wu  * you may not use this file except in compliance with the License.
6*05767d91SRobert Wu  * You may obtain a copy of the License at
7*05767d91SRobert Wu  *
8*05767d91SRobert Wu  *      http://www.apache.org/licenses/LICENSE-2.0
9*05767d91SRobert Wu  *
10*05767d91SRobert Wu  * Unless required by applicable law or agreed to in writing, software
11*05767d91SRobert Wu  * distributed under the License is distributed on an "AS IS" BASIS,
12*05767d91SRobert Wu  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*05767d91SRobert Wu  * See the License for the specific language governing permissions and
14*05767d91SRobert Wu  * limitations under the License.
15*05767d91SRobert Wu  */
16*05767d91SRobert Wu 
17*05767d91SRobert Wu #ifndef FLOWGRAPH_SOURCE_FLOAT_H
18*05767d91SRobert Wu #define FLOWGRAPH_SOURCE_FLOAT_H
19*05767d91SRobert Wu 
20*05767d91SRobert Wu #include <unistd.h>
21*05767d91SRobert Wu #include <sys/types.h>
22*05767d91SRobert Wu 
23*05767d91SRobert Wu #include "FlowGraphNode.h"
24*05767d91SRobert Wu 
25*05767d91SRobert Wu namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph {
26*05767d91SRobert Wu 
27*05767d91SRobert Wu /**
28*05767d91SRobert Wu  * AudioSource that reads a block of pre-defined float data.
29*05767d91SRobert Wu  */
30*05767d91SRobert Wu class SourceFloat : public FlowGraphSourceBuffered {
31*05767d91SRobert Wu public:
32*05767d91SRobert Wu     explicit SourceFloat(int32_t channelCount);
33*05767d91SRobert Wu     ~SourceFloat() override = default;
34*05767d91SRobert Wu 
35*05767d91SRobert Wu     int32_t onProcess(int32_t numFrames) override;
36*05767d91SRobert Wu 
getName()37*05767d91SRobert Wu     const char *getName() override {
38*05767d91SRobert Wu         return "SourceFloat";
39*05767d91SRobert Wu     }
40*05767d91SRobert Wu };
41*05767d91SRobert Wu 
42*05767d91SRobert Wu } /* namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph */
43*05767d91SRobert Wu 
44*05767d91SRobert Wu #endif //FLOWGRAPH_SOURCE_FLOAT_H
45