85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
/*
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* Copyright (C) Texas Instruments - http://www.ti.com/
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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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#include "Common.h"
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#include "SwFrameDecoder.h"
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namespace Ti {
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namespace Camera {
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SwFrameDecoder::SwFrameDecoder()
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: mjpegWithHdrSize(0), mJpegWithHeaderBuffer(NULL) {
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}
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SwFrameDecoder::~SwFrameDecoder() {
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delete [] mJpegWithHeaderBuffer;
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mJpegWithHeaderBuffer = NULL;
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}
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void SwFrameDecoder::doConfigure(__unused const DecoderParameters& params) {
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LOG_FUNCTION_NAME;
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mjpegWithHdrSize = (mParams.width * mParams.height / 2) +
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mJpgdecoder.readDHTSize();
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if (mJpegWithHeaderBuffer != NULL) {
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delete [] mJpegWithHeaderBuffer;
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mJpegWithHeaderBuffer = NULL;
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}
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mJpegWithHeaderBuffer = new unsigned char[mjpegWithHdrSize];
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LOG_FUNCTION_NAME_EXIT;
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}
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void SwFrameDecoder::doProcessInputBuffer() {
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LOG_FUNCTION_NAME;
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nsecs_t timestamp = 0;
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CAMHAL_LOGV("Will add header to MJPEG");
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int final_jpg_sz = 0;
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{
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int inIndex = mInQueue.itemAt(0);
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android::sp<MediaBuffer>& inBuffer = mInBuffers->editItemAt(inIndex);
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android::AutoMutex lock(inBuffer->getLock());
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timestamp = inBuffer->getTimestamp();
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final_jpg_sz = mJpgdecoder.appendDHT(
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reinterpret_cast<unsigned char*>(inBuffer->buffer),
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inBuffer->filledLen, mJpegWithHeaderBuffer, mjpegWithHdrSize);
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inBuffer->setStatus(BufferStatus_InDecoded);
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}
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CAMHAL_LOGV("Added header to MJPEG");
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{
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int outIndex = mOutQueue.itemAt(0);
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android::sp<MediaBuffer>& outBuffer = mOutBuffers->editItemAt(outIndex);
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android::AutoMutex lock(outBuffer->getLock());
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CameraBuffer* buffer = reinterpret_cast<CameraBuffer*>(outBuffer->buffer);
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if (!mJpgdecoder.decode(mJpegWithHeaderBuffer, final_jpg_sz,
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reinterpret_cast<unsigned char*>(buffer->mapped), 4096)) {
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CAMHAL_LOGEA("Error while decoding JPEG");
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return;
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}
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outBuffer->setTimestamp(timestamp);
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outBuffer->setStatus(BufferStatus_OutFilled);
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}
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CAMHAL_LOGV("JPEG decoded!");
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LOG_FUNCTION_NAME_EXIT;
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}
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} // namespace Camera
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} // namespace Ti
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