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/*
* Copyright (C) 2013 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 ANDROID_SERVERS_CAMERA3_OUTPUT_STREAM_H
#define ANDROID_SERVERS_CAMERA3_OUTPUT_STREAM_H
#include <utils/RefBase.h>
#include <gui/Surface.h>
#include "Camera3Stream.h"
#include "Camera3IOStreamBase.h"
#include "Camera3OutputStreamInterface.h"
namespace android {
namespace camera3 {
/**
* A class for managing a single stream of output data from the camera device.
*/
class Camera3OutputStream :
public Camera3IOStreamBase,
public Camera3OutputStreamInterface {
public:
/**
* Set up a stream for formats that have 2 dimensions, such as RAW and YUV.
*/
Camera3OutputStream(int id, sp<ANativeWindow> consumer,
uint32_t width, uint32_t height, int format);
/**
* Set up a stream for formats that have a variable buffer size for the same
* dimensions, such as compressed JPEG.
*/
Camera3OutputStream(int id, sp<ANativeWindow> consumer,
uint32_t width, uint32_t height, size_t maxSize, int format);
virtual ~Camera3OutputStream();
/**
* Camera3Stream interface
*/
virtual void dump(int fd, const Vector<String16> &args) const;
/**
* Set the transform on the output stream; one of the
* HAL_TRANSFORM_* / NATIVE_WINDOW_TRANSFORM_* constants.
*/
status_t setTransform(int transform);
protected:
Camera3OutputStream(int id, camera3_stream_type_t type,
uint32_t width, uint32_t height, int format);
/**
* Note that we release the lock briefly in this function
*/
virtual status_t returnBufferCheckedLocked(
const camera3_stream_buffer &buffer,
nsecs_t timestamp,
bool output,
/*out*/
sp<Fence> *releaseFenceOut);
virtual status_t disconnectLocked();
sp<ANativeWindow> mConsumer;
private:
int mTransform;
virtual status_t setTransformLocked(int transform);
bool mTraceFirstBuffer;
/**
* Internal Camera3Stream interface
*/
virtual status_t getBufferLocked(camera3_stream_buffer *buffer);
virtual status_t returnBufferLocked(
const camera3_stream_buffer &buffer,
nsecs_t timestamp);
virtual status_t configureQueueLocked();
virtual status_t getEndpointUsage(uint32_t *usage);
}; // class Camera3OutputStream
} // namespace camera3
} // namespace android
#endif
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