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/*
* Copyright (C) Texas Instruments - http://www.ti.com/
*
* 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.
*/
/**
* @file Encoder_libjpeg.h
*
* This defines API for camerahal to encode YUV using libjpeg
*
*/
#ifndef ANDROID_CAMERA_HARDWARE_ENCODER_LIBJPEG_H
#define ANDROID_CAMERA_HARDWARE_ENCODER_LIBJPEG_H
#include <utils/threads.h>
#include <utils/RefBase.h>
namespace android {
/**
* libjpeg encoder class - uses libjpeg to encode yuv
*/
typedef void (*encoder_libjpeg_callback_t) (size_t jpeg_size,
uint8_t* src,
CameraFrame::FrameType type,
void* cookie1,
void* cookie2,
void* cookie3);
class Encoder_libjpeg : public Thread {
public:
Encoder_libjpeg(uint8_t* src,
int src_size,
uint8_t* dst,
int dst_size,
int quality,
int width,
int height,
encoder_libjpeg_callback_t cb,
CameraFrame::FrameType type,
void* cookie1,
void* cookie2,
void* cookie3)
: Thread(false), mSrc(src), mDest(dst), mSrcSize(src_size), mDestSize(dst_size),
mQuality(quality), mWidth(width), mHeight(height), mCb(cb), mCookie1(cookie1),
mCookie2(cookie2), mCookie3(cookie3), mType(type) {
this->incStrong(this);
}
~Encoder_libjpeg() {
}
virtual bool threadLoop() {
size_t size = encode();
mCb(size, mSrc, mType, mCookie1, mCookie2, mCookie3);
// encoder thread runs, self-destructs, and then exits
this->decStrong(this);
return false;
}
private:
uint8_t* mSrc;
uint8_t* mDest;
int mSrcSize, mDestSize;
int mQuality, mWidth, mHeight;
encoder_libjpeg_callback_t mCb;
void* mCookie1;
void* mCookie2;
void* mCookie3;
CameraFrame::FrameType mType;
size_t encode();
};
}
#endif
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