1 /* 2 * Copyright (C) 2016-2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_SERVERS_CAMERA3_SHARED_OUTPUT_STREAM_H 18 #define ANDROID_SERVERS_CAMERA3_SHARED_OUTPUT_STREAM_H 19 20 #include "Camera3StreamSplitter.h" 21 #include "Camera3OutputStream.h" 22 23 namespace android { 24 25 namespace camera3 { 26 27 class Camera3SharedOutputStream : 28 public Camera3OutputStream { 29 public: 30 /** 31 * Set up a stream for formats that have 2 dimensions, with multiple 32 * surfaces. A valid stream set id needs to be set to support buffer 33 * sharing between multiple streams. 34 */ 35 Camera3SharedOutputStream(int id, const std::vector<sp<Surface>>& surfaces, 36 uint32_t width, uint32_t height, int format, 37 uint64_t consumerUsage, android_dataspace dataSpace, 38 camera3_stream_rotation_t rotation, nsecs_t timestampOffset, 39 const String8& physicalCameraId, 40 int setId = CAMERA3_STREAM_SET_ID_INVALID); 41 42 virtual ~Camera3SharedOutputStream(); 43 44 virtual status_t notifyBufferReleased(ANativeWindowBuffer *buffer); 45 46 virtual bool isConsumerConfigurationDeferred(size_t surface_id) const; 47 48 virtual status_t setConsumers(const std::vector<sp<Surface>>& consumers); 49 50 virtual ssize_t getSurfaceId(const sp<Surface> &surface); 51 52 virtual status_t updateStream(const std::vector<sp<Surface>> &outputSurfaces, 53 const std::vector<OutputStreamInfo> &outputInfo, 54 const std::vector<size_t> &removedSurfaceIds, 55 KeyedVector<sp<Surface>, size_t> *outputMap/*out*/); 56 57 private: 58 59 static const size_t kMaxOutputs = 4; 60 61 // Map surfaceId -> output surfaces 62 sp<Surface> mSurfaces[kMaxOutputs]; 63 64 ssize_t getNextSurfaceIdLocked(); 65 66 status_t revertPartialUpdateLocked(const KeyedVector<sp<Surface>, size_t> &removedSurfaces, 67 const KeyedVector<sp<Surface>, size_t> &attachedSurfaces); 68 69 /** 70 * The Camera3StreamSplitter object this stream uses for stream 71 * sharing. 72 */ 73 sp<Camera3StreamSplitter> mStreamSplitter; 74 75 /** 76 * Initialize stream splitter. 77 */ 78 status_t connectStreamSplitterLocked(); 79 80 /** 81 * Internal Camera3Stream interface 82 */ 83 virtual status_t getBufferLocked(camera3_stream_buffer *buffer, 84 const std::vector<size_t>& surface_ids); 85 86 virtual status_t queueBufferToConsumer(sp<ANativeWindow>& consumer, 87 ANativeWindowBuffer* buffer, int anwReleaseFence); 88 89 virtual status_t configureQueueLocked(); 90 91 virtual status_t disconnectLocked(); 92 93 virtual status_t getEndpointUsage(uint64_t *usage) const; 94 95 }; // class Camera3SharedOutputStream 96 97 } // namespace camera3 98 99 } // namespace android 100 101 #endif // ANDROID_SERVERS_CAMERA3_SHARED_OUTPUT_STREAM_H 102