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