ZslProcessorInterface.h revision 6551e1ede59f4a3043fb141159ca67bd2c85a911 
1/*
2 * Copyright (C) 2013 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_CAMERA_CAMERA2_ZSLPROCESSORINTERFACE_H
18#define ANDROID_SERVERS_CAMERA_CAMERA2_ZSLPROCESSORINTERFACE_H
19
20#include <utils/Errors.h>
21#include <utils/RefBase.h>
22#include <utils/String16.h>
23#include <utils/Vector.h>
24
25namespace android {
26namespace camera2 {
27
28class Parameters;
29
30class ZslProcessorInterface : virtual public RefBase {
31public:
32
33    // Get ID for use with android.request.outputStreams / inputStreams
34    virtual int getStreamId() const = 0;
35
36    // Update the streams by recreating them if the size/format has changed
37    virtual status_t updateStream(const Parameters& params) = 0;
38
39    // Delete the underlying CameraDevice streams
40    virtual status_t deleteStream() = 0;
41
42    // Clear any additional state necessary before the CameraDevice is disconnected
43    virtual status_t disconnect();
44
45    /**
46     * Submits a ZSL capture request (id = requestId)
47     *
48     * An appropriate ZSL buffer is selected by the closest timestamp,
49     * then we push that buffer to be reprocessed by the HAL.
50     * A capture request is created and submitted on behalf of the client.
51     */
52    virtual status_t pushToReprocess(int32_t requestId) = 0;
53
54    // Flush the ZSL buffer queue, freeing up all the buffers
55    virtual status_t clearZslQueue() = 0;
56
57    // (Debugging only) Dump the current state to the specified file descriptor
58    virtual void dump(int fd, const Vector<String16>& args) const = 0;
59};
60
61}; //namespace camera2
62}; //namespace android
63
64#endif
65