| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_SERVERS_CAMERA3_STREAMBUFFERFREEDLISTENER_H |
| #define ANDROID_SERVERS_CAMERA3_STREAMBUFFERFREEDLISTENER_H |
| |
| #include <gui/Surface.h> |
| #include <utils/RefBase.h> |
| |
| namespace android { |
| |
| namespace camera3 { |
| |
| class Camera3StreamBufferFreedListener : public virtual RefBase { |
| public: |
| // onBufferFreed is called when a buffer is no longer being managed |
| // by this stream. This will not be called in events when all |
| // buffers are freed due to stream disconnection. |
| // |
| // The input handle may be deleted after this callback ends, so attempting |
| // to dereference handle post this callback is illegal and might lead to |
| // crash. |
| // |
| // This callback will be called while holding Camera3Stream's lock, so |
| // calling into other Camera3Stream APIs within this callback will |
| // lead to deadlock. |
| virtual void onBufferFreed(int streamId, const native_handle_t* handle) = 0; |
| |
| virtual ~Camera3StreamBufferFreedListener() {} |
| }; |
| |
| }; //namespace camera3 |
| }; //namespace android |
| |
| #endif |
