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/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "Camera2-BurstCapture"
#include <utils/Log.h>
#include <utils/Trace.h>
#include "BurstCapture.h"
#include "api1/Camera2Client.h"
#include "api1/client2/JpegCompressor.h"
namespace android {
namespace camera2 {
BurstCapture::BurstCapture(wp<Camera2Client> client, wp<CaptureSequencer> sequencer):
mCaptureStreamId(NO_STREAM),
mClient(client),
mSequencer(sequencer)
{
}
BurstCapture::~BurstCapture() {
}
status_t BurstCapture::start(Vector<CameraMetadata> &/*metadatas*/,
int32_t /*firstCaptureId*/) {
ALOGE("Not completely implemented");
return INVALID_OPERATION;
}
void BurstCapture::onFrameAvailable() {
ALOGV("%s", __FUNCTION__);
Mutex::Autolock l(mInputMutex);
if(!mInputChanged) {
mInputChanged = true;
mInputSignal.signal();
}
}
bool BurstCapture::threadLoop() {
status_t res;
{
Mutex::Autolock l(mInputMutex);
while(!mInputChanged) {
res = mInputSignal.waitRelative(mInputMutex, kWaitDuration);
if(res == TIMED_OUT) return true;
}
mInputChanged = false;
}
do {
sp<Camera2Client> client = mClient.promote();
if(client == 0) return false;
ALOGV("%s: Calling processFrameAvailable()", __FUNCTION__);
res = processFrameAvailable(client);
} while(res == OK);
return true;
}
CpuConsumer::LockedBuffer* BurstCapture::jpegEncode(
CpuConsumer::LockedBuffer *imgBuffer,
int /*quality*/)
{
ALOGV("%s", __FUNCTION__);
CpuConsumer::LockedBuffer *imgEncoded = new CpuConsumer::LockedBuffer;
uint8_t *data = new uint8_t[ANDROID_JPEG_MAX_SIZE];
imgEncoded->data = data;
imgEncoded->width = imgBuffer->width;
imgEncoded->height = imgBuffer->height;
imgEncoded->stride = imgBuffer->stride;
Vector<CpuConsumer::LockedBuffer*> buffers;
buffers.push_back(imgBuffer);
buffers.push_back(imgEncoded);
sp<JpegCompressor> jpeg = new JpegCompressor();
jpeg->start(buffers, 1);
bool success = jpeg->waitForDone(10 * 1e9);
if(success) {
return buffers[1];
}
else {
ALOGE("%s: JPEG encode timed out", __FUNCTION__);
return NULL; // TODO: maybe change function return value to status_t
}
}
status_t BurstCapture::processFrameAvailable(sp<Camera2Client> &/*client*/) {
ALOGE("Not implemented");
return INVALID_OPERATION;
}
} // namespace camera2
} // namespace android
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