5a622cba8c
See https://android-git.corp.google.com/g/#/c/157220 Bug: 5449033 Change-Id: Ic6cac56d137f705dfa7266f21e9b0269219bd5d1
65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Contains implementation of a class NV21JpegCompressor that encapsulates a
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* converter between NV21, and JPEG formats.
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*/
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#define LOG_NDEBUG 0
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#define LOG_TAG "EmulatedCamera_JPEG"
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#include <cutils/log.h>
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#include "JpegCompressor.h"
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namespace android {
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NV21JpegCompressor::NV21JpegCompressor()
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: Yuv420SpToJpegEncoder(mStrides)
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{
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}
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NV21JpegCompressor::~NV21JpegCompressor()
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{
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}
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/****************************************************************************
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* Public API
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***************************************************************************/
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status_t NV21JpegCompressor::compressRawImage(const void* image,
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int width,
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int height,
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int quality)
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{
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ALOGV("%s: %p[%dx%d]", __FUNCTION__, image, width, height);
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void* pY = const_cast<void*>(image);
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int offsets[2];
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offsets[0] = 0;
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offsets[1] = width * height;
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mStrides[0] = width;
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mStrides[1] = width;
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if (encode(&mStream, pY, width, height, offsets, quality)) {
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ALOGV("%s: Compressed JPEG: %d[%dx%d] -> %d bytes",
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__FUNCTION__, (width * height * 12) / 8, width, height, mStream.getOffset());
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return NO_ERROR;
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} else {
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ALOGE("%s: JPEG compression failed", __FUNCTION__);
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return errno ? errno : EINVAL;
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}
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}
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}; /* namespace android */
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