| /* |
| * Copyright (C) 2018 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 OMX_GRAPHIC_BUFFER_SOURCE_H_ |
| |
| #define OMX_GRAPHIC_BUFFER_SOURCE_H_ |
| |
| #include <media/stagefright/bqhelper/GraphicBufferSource.h> |
| #include <media/stagefright/foundation/ABase.h> |
| |
| #include <android/BnGraphicBufferSource.h> |
| #include <android/BnOMXBufferSource.h> |
| |
| #include "IOmxNodeWrapper.h" |
| |
| namespace android { |
| |
| using ::android::binder::Status; |
| |
| /* |
| * This class is used to feed OMX codecs from a Surface via BufferQueue or |
| * HW producer. |
| * |
| * See media/stagefright/bqhelper/GraphicBufferSource.h for documentation. |
| */ |
| class OmxGraphicBufferSource : public GraphicBufferSource { |
| public: |
| OmxGraphicBufferSource() = default; |
| virtual ~OmxGraphicBufferSource() = default; |
| |
| // OmxBufferSource interface |
| // ------------------------------ |
| |
| // This is called when OMX transitions to OMX_StateExecuting, which means |
| // we can start handing it buffers. If we already have buffers of data |
| // sitting in the BufferQueue, this will send them to the codec. |
| Status onOmxExecuting(); |
| |
| // This is called when OMX transitions to OMX_StateIdle, indicating that |
| // the codec is meant to return all buffers back to the client for them |
| // to be freed. Do NOT submit any more buffers to the component. |
| Status onOmxIdle(); |
| |
| // This is called when OMX transitions to OMX_StateLoaded, indicating that |
| // we are shutting down. |
| Status onOmxLoaded(); |
| |
| // Rest of the interface in GraphicBufferSource. |
| |
| // IGraphicBufferSource interface |
| // ------------------------------ |
| |
| // Configure the buffer source to be used with an OMX node with the default |
| // data space. |
| status_t configure( |
| const sp<IOmxNodeWrapper> &omxNode, |
| int32_t dataSpace, |
| int32_t bufferCount, |
| uint32_t frameWidth, |
| uint32_t frameHeight, |
| uint32_t consumerUsage); |
| |
| // Rest of the interface in GraphicBufferSource. |
| |
| private: |
| DISALLOW_EVIL_CONSTRUCTORS(OmxGraphicBufferSource); |
| }; |
| |
| } // namespace android |
| |
| #endif // OMX_GRAPHIC_BUFFER_SOURCE_H_ |