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android: jpeg: Port to PostProcessor interface

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Port the CameraStream's JPEG-encoding bits to PostProcessorJpeg.
This encapsulates the encoder and EXIF generation code into the
PostProcessorJpeg layer and removes these specifics related to JPEG,
from the CameraStream itself.

Signed-off-by: Umang Jain <email@uajain.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Change-Id: Id9e6e9b2bec83493a90e5e126298a2bb2ed2232a
This commit is contained in:
Umang Jain 2020-10-16 11:07:54 +05:30 • committed by Kieran Bingham
parent 3d946a2e60
commit b2b8c4dc94
7 changed files with 164 additions and 62 deletions
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36
src/android/jpeg/post_processor_jpeg.h Normal file
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2020, Google Inc.
*
* post_processor_jpeg.h - JPEG Post Processor
*/
#ifndef __ANDROID_POST_PROCESSOR_JPEG_H__
#define __ANDROID_POST_PROCESSOR_JPEG_H__
#include "../post_processor.h"
#include <libcamera/geometry.h>
#include "libcamera/internal/buffer.h"
class Encoder;
class CameraDevice;
class PostProcessorJpeg : public PostProcessor
{
public:
PostProcessorJpeg(CameraDevice *device);
int configure(const libcamera::StreamConfiguration &incfg,
const libcamera::StreamConfiguration &outcfg) override;
int process(const libcamera::FrameBuffer *source,
const libcamera::Span<uint8_t> &destination,
CameraMetadata *metadata) override;
private:
CameraDevice *cameraDevice_;
std::unique_ptr<Encoder> encoder_;
libcamera::Size streamSize_;
};
#endif /* __ANDROID_POST_PROCESSOR_JPEG_H__ */