1 /* 2 * Copyright (C) 2016 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 uint32_t consumerUsage, android_dataspace dataSpace, 38 camera3_stream_rotation_t rotation, nsecs_t timestampOffset, 39 int setId = CAMERA3_STREAM_SET_ID_INVALID); 40 41 virtual ~Camera3SharedOutputStream(); 42 43 virtual status_t notifyBufferReleased(ANativeWindowBuffer *buffer); 44 45 virtual bool isConsumerConfigurationDeferred(size_t surface_id) const; 46 47 virtual status_t setConsumers(const std::vector<sp<Surface>>& consumers); 48 49 private: 50 // Surfaces passed in constructor from app 51 std::vector<sp<Surface> > mSurfaces; 52 53 /** 54 * The Camera3StreamSplitter object this stream uses for stream 55 * sharing. 56 */ 57 sp<Camera3StreamSplitter> mStreamSplitter; 58 59 /** 60 * Initialize stream splitter. 61 */ 62 status_t connectStreamSplitterLocked(); 63 64 /** 65 * Internal Camera3Stream interface 66 */ 67 virtual status_t getBufferLocked(camera3_stream_buffer *buffer, 68 const std::vector<size_t>& surface_ids); 69 70 virtual status_t queueBufferToConsumer(sp<ANativeWindow>& consumer, 71 ANativeWindowBuffer* buffer, int anwReleaseFence); 72 73 virtual status_t configureQueueLocked(); 74 75 virtual status_t disconnectLocked(); 76 77 virtual status_t getEndpointUsage(uint32_t *usage) const; 78 79 }; // class Camera3SharedOutputStream 80 81 } // namespace camera3 82 83 } // namespace android 84 85 #endif // ANDROID_SERVERS_CAMERA3_SHARED_OUTPUT_STREAM_H 86