17fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala/* 27fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Copyright (C) 2013 The Android Open Source Project 37fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * 47fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Licensed under the Apache License, Version 2.0 (the "License"); 57fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * you may not use this file except in compliance with the License. 67fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * You may obtain a copy of the License at 77fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * 87fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * http://www.apache.org/licenses/LICENSE-2.0 97fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * 107fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Unless required by applicable law or agreed to in writing, software 117fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * distributed under the License is distributed on an "AS IS" BASIS, 127fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * See the License for the specific language governing permissions and 147fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * limitations under the License. 157fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 167fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 177fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala#ifndef ANDROID_SERVERS_CAMERA_CAMERADEVICEBASE_H 187fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala#define ANDROID_SERVERS_CAMERA_CAMERADEVICEBASE_H 197fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 207fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala#include <utils/RefBase.h> 217fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala#include <utils/String8.h> 227fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala#include <utils/String16.h> 237fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala#include <utils/Vector.h> 247fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala#include <utils/Timers.h> 257fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 267fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala#include "hardware/camera2.h" 277fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala#include "camera/CameraMetadata.h" 287fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 297fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvalanamespace android { 307fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 317fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala/** 327fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Base interface for version >= 2 camera device classes, which interface to 337fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * camera HAL device versions >= 2. 347fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 357fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvalaclass CameraDeviceBase : public virtual RefBase { 367fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala public: 377fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual ~CameraDeviceBase(); 387fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 3971381051e2d048b2705c447b3d59db6e972493eeIgor Murashkin /** 4071381051e2d048b2705c447b3d59db6e972493eeIgor Murashkin * The device's camera ID 4171381051e2d048b2705c447b3d59db6e972493eeIgor Murashkin */ 4271381051e2d048b2705c447b3d59db6e972493eeIgor Murashkin virtual int getId() const = 0; 4371381051e2d048b2705c447b3d59db6e972493eeIgor Murashkin 447fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t initialize(camera_module_t *module) = 0; 457fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t disconnect() = 0; 467fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 477fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t dump(int fd, const Vector<String16>& args) = 0; 487fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 497fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 507fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * The device's static characteristics metadata buffer 517fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 527fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual const CameraMetadata& info() const = 0; 537fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 547fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 557fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Submit request for capture. The CameraDevice takes ownership of the 567fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * passed-in buffer. 577fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 587fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t capture(CameraMetadata &request) = 0; 597fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 607fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 617fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Submit request for streaming. The CameraDevice makes a copy of the 627fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * passed-in buffer and the caller retains ownership. 637fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 647fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t setStreamingRequest(const CameraMetadata &request) = 0; 657fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 667fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 677fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Clear the streaming request slot. 687fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 697fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t clearStreamingRequest() = 0; 707fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 717fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 727fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Wait until a request with the given ID has been dequeued by the 737fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * HAL. Returns TIMED_OUT if the timeout duration is reached. Returns 747fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * immediately if the latest request received by the HAL has this id. 757fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 767fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t waitUntilRequestReceived(int32_t requestId, 777fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala nsecs_t timeout) = 0; 787fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 797fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 807fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Create an output stream of the requested size and format. 817fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * 827fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * If format is CAMERA2_HAL_PIXEL_FORMAT_OPAQUE, then the HAL device selects 837fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * an appropriate format; it can be queried with getStreamInfo. 847fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * 857fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * If format is HAL_PIXEL_FORMAT_COMPRESSED, the size parameter must be 867fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * equal to the size in bytes of the buffers to allocate for the stream. For 877fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * other formats, the size parameter is ignored. 887fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 897fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t createStream(sp<ANativeWindow> consumer, 907fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala uint32_t width, uint32_t height, int format, size_t size, 917fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala int *id) = 0; 927fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 937fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 947fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Create an input reprocess stream that uses buffers from an existing 957fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * output stream. 967fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 977fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t createReprocessStreamFromStream(int outputId, int *id) = 0; 987fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 997fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1007fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Get information about a given stream. 1017fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1027fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t getStreamInfo(int id, 1037fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala uint32_t *width, uint32_t *height, uint32_t *format) = 0; 1047fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1057fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1067fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Set stream gralloc buffer transform 1077fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1087fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t setStreamTransform(int id, int transform) = 0; 1097fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1107fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1117fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Delete stream. Must not be called if there are requests in flight which 1127fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * reference that stream. 1137fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1147fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t deleteStream(int id) = 0; 1157fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1167fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1177fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Delete reprocess stream. Must not be called if there are requests in 1187fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * flight which reference that stream. 1197fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1207fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t deleteReprocessStream(int id) = 0; 1217fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1227fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1237fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Create a metadata buffer with fields that the HAL device believes are 1247fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * best for the given use case 1257fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1267fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t createDefaultRequest(int templateId, 1277fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala CameraMetadata *request) = 0; 1287fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1297fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1307fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Wait until all requests have been processed. Returns INVALID_OPERATION if 1317fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * the streaming slot is not empty, or TIMED_OUT if the requests haven't 1327fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * finished processing in 10 seconds. 1337fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1347fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t waitUntilDrained() = 0; 1357fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1367fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1377fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Abstract class for HAL notification listeners 1387fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1397fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala class NotificationListener { 1407fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala public: 1417fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala // Refer to the Camera2 HAL definition for notification definitions 1427fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual void notifyError(int errorCode, int arg1, int arg2) = 0; 1437fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual void notifyShutter(int frameNumber, nsecs_t timestamp) = 0; 1447fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual void notifyAutoFocus(uint8_t newState, int triggerId) = 0; 1457fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual void notifyAutoExposure(uint8_t newState, int triggerId) = 0; 1467fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual void notifyAutoWhitebalance(uint8_t newState, 1477fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala int triggerId) = 0; 1487fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala protected: 1497fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual ~NotificationListener(); 1507fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala }; 1517fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1527fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1537fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Connect HAL notifications to a listener. Overwrites previous 1547fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * listener. Set to NULL to stop receiving notifications. 1557fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1567fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t setNotifyCallback(NotificationListener *listener) = 0; 1577fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1587fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 159a0e0adee5fbea1457996b0ac6a4c15bea4c1acb0Eino-Ville Talvala * Whether the device supports calling notifyAutofocus, notifyAutoExposure, 160a0e0adee5fbea1457996b0ac6a4c15bea4c1acb0Eino-Ville Talvala * and notifyAutoWhitebalance; if this returns false, the client must 161a0e0adee5fbea1457996b0ac6a4c15bea4c1acb0Eino-Ville Talvala * synthesize these notifications from received frame metadata. 162a0e0adee5fbea1457996b0ac6a4c15bea4c1acb0Eino-Ville Talvala */ 163a0e0adee5fbea1457996b0ac6a4c15bea4c1acb0Eino-Ville Talvala virtual bool willNotify3A() = 0; 164a0e0adee5fbea1457996b0ac6a4c15bea4c1acb0Eino-Ville Talvala 165a0e0adee5fbea1457996b0ac6a4c15bea4c1acb0Eino-Ville Talvala /** 1667fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Wait for a new frame to be produced, with timeout in nanoseconds. 1677fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Returns TIMED_OUT when no frame produced within the specified duration 1687fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1697fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t waitForNextFrame(nsecs_t timeout) = 0; 1707fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1717fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1727fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Get next metadata frame from the frame queue. Returns NULL if the queue 1737fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * is empty; caller takes ownership of the metadata buffer. 1747fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1757fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t getNextFrame(CameraMetadata *frame) = 0; 1767fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1777fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1787fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Trigger auto-focus. The latest ID used in a trigger autofocus or cancel 1797fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * autofocus call will be returned by the HAL in all subsequent AF 1807fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * notifications. 1817fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1827fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t triggerAutofocus(uint32_t id) = 0; 1837fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1847fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1857fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Cancel auto-focus. The latest ID used in a trigger autofocus/cancel 1867fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * autofocus call will be returned by the HAL in all subsequent AF 1877fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * notifications. 1887fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1897fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t triggerCancelAutofocus(uint32_t id) = 0; 1907fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1917fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1927fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Trigger pre-capture metering. The latest ID used in a trigger pre-capture 1937fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * call will be returned by the HAL in all subsequent AE and AWB 1947fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * notifications. 1957fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 1967fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t triggerPrecaptureMetering(uint32_t id) = 0; 1977fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 1987fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 1997fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Abstract interface for clients that want to listen to reprocess buffer 2007fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * release events 2017fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 2027fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala struct BufferReleasedListener : public virtual RefBase { 2037fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual void onBufferReleased(buffer_handle_t *handle) = 0; 2047fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala }; 2057fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 2067fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala /** 2077fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * Push a buffer to be reprocessed into a reprocessing stream, and 2087fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala * provide a listener to call once the buffer is returned by the HAL 2097fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala */ 2107fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala virtual status_t pushReprocessBuffer(int reprocessStreamId, 2117fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala buffer_handle_t *buffer, wp<BufferReleasedListener> listener) = 0; 2127fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala}; 2137fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 2147fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala}; // namespace android 2157fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala 2167fa43f376ebd63fda24d85c9ebf97e0ddf534083Eino-Ville Talvala#endif 217