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/*
* Copyright (C) 2011 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_TAG "DummyRecorder"
// #define LOG_NDEBUG 0
#include <media/stagefright/MediaBuffer.h>
#include <media/stagefright/MediaSource.h>
#include "DummyRecorder.h"
#include <utils/Log.h>
namespace android {
// static
void *DummyRecorder::threadWrapper(void *pthis) {
LOGV("ThreadWrapper: %p", pthis);
DummyRecorder *writer = static_cast<DummyRecorder *>(pthis);
writer->readFromSource();
return NULL;
}
status_t DummyRecorder::start() {
LOGV("Start");
mStarted = true;
mSource->start();
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
int err = pthread_create(&mThread, &attr, threadWrapper, this);
pthread_attr_destroy(&attr);
if (err) {
LOGE("Error creating thread!");
return -ENODEV;
}
return OK;
}
status_t DummyRecorder::stop() {
LOGV("Stop");
mStarted = false;
mSource->stop();
void *dummy;
pthread_join(mThread, &dummy);
status_t err = (status_t) dummy;
LOGV("Ending the reading thread");
return err;
}
// pretend to read the source buffers
void DummyRecorder::readFromSource() {
LOGV("ReadFromSource");
if (!mStarted) {
return;
}
status_t err = OK;
MediaBuffer *buffer;
LOGV("A fake writer accessing the frames");
while (mStarted && (err = mSource->read(&buffer)) == OK){
// if not getting a valid buffer from source, then exit
if (buffer == NULL) {
return;
}
buffer->release();
buffer = NULL;
}
}
} // end of namespace android
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