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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_NDEBUG 1
#define LOG_TAG "DummyVideoSource"
#include "utils/Log.h"
#include <media/stagefright/MediaErrors.h>
#include <media/stagefright/MediaDebug.h>
#include <media/stagefright/MediaDefs.h>
#include <media/stagefright/MediaBuffer.h>
#include <media/stagefright/MediaBufferGroup.h>
#include <media/stagefright/MetaData.h>
#include "DummyVideoSource.h"
/* Android includes*/
#include <utils/Log.h>
#include <memory.h>
#define LOG1 ALOGE /*ERRORS Logging*/
#define LOG2 ALOGV /*WARNING Logging*/
#define LOG3 //ALOGV /*COMMENTS Logging*/
namespace android {
sp<DummyVideoSource> DummyVideoSource::Create (
uint32_t width, uint32_t height,
uint64_t clipDuration, const char *imageUri) {
LOG2("DummyVideoSource::Create ");
sp<DummyVideoSource> vSource = new DummyVideoSource (
width, height, clipDuration, imageUri);
return vSource;
}
DummyVideoSource::DummyVideoSource (
uint32_t width, uint32_t height,
uint64_t clipDuration, const char *imageUri) {
LOG2("DummyVideoSource::DummyVideoSource constructor START");
mFrameWidth = width;
mFrameHeight = height;
mImageClipDuration = clipDuration;
mUri = imageUri;
mImageBuffer = NULL;
LOG2("DummyVideoSource::DummyVideoSource constructor END");
}
DummyVideoSource::~DummyVideoSource () {
/* Do nothing here? */
LOG2("DummyVideoSource::~DummyVideoSource");
}
status_t DummyVideoSource::start(MetaData *params) {
status_t err = OK;
LOG2("DummyVideoSource::start START, %s", mUri);
//get the frame buffer from the rgb file and store into a MediaBuffer
err = LvGetImageThumbNail((const char *)mUri,
mFrameHeight , mFrameWidth ,
(M4OSA_Void **)&mImageBuffer);
mIsFirstImageFrame = true;
mImageSeekTime = 0;
mImagePlayStartTime = 0;
mFrameTimeUs = 0;
LOG2("DummyVideoSource::start END");
return err;
}
status_t DummyVideoSource::stop() {
status_t err = OK;
LOG2("DummyVideoSource::stop START");
if (mImageBuffer != NULL) {
free(mImageBuffer);
mImageBuffer = NULL;
}
LOG2("DummyVideoSource::stop END");
return err;
}
sp<MetaData> DummyVideoSource::getFormat() {
LOG2("DummyVideoSource::getFormat");
sp<MetaData> meta = new MetaData;
meta->setInt32(kKeyColorFormat, OMX_COLOR_FormatYUV420Planar);
meta->setInt32(kKeyWidth, mFrameWidth);
meta->setInt32(kKeyHeight, mFrameHeight);
meta->setInt64(kKeyDuration, mImageClipDuration);
meta->setCString(kKeyDecoderComponent, "DummyVideoSource");
return meta;
}
status_t DummyVideoSource::read(
MediaBuffer **out,
const MediaSource::ReadOptions *options) {
status_t err = OK;
MediaBuffer *buffer;
LOG2("DummyVideoSource::read START");
bool seeking = false;
int64_t seekTimeUs;
ReadOptions::SeekMode seekMode;
if (options && options->getSeekTo(&seekTimeUs, &seekMode)) {
seeking = true;
mImageSeekTime = seekTimeUs;
M4OSA_clockGetTime(&mImagePlayStartTime, 1000); //1000 time scale for time in ms
}
if ((mImageSeekTime == mImageClipDuration) || (mFrameTimeUs == (int64_t)mImageClipDuration)) {
LOG2("DummyVideoSource::read() End of stream reached; return NULL buffer");
*out = NULL;
return ERROR_END_OF_STREAM;
}
buffer = new MediaBuffer(mImageBuffer, (mFrameWidth*mFrameHeight*1.5));
//set timestamp of buffer
if (mIsFirstImageFrame) {
M4OSA_clockGetTime(&mImagePlayStartTime, 1000); //1000 time scale for time in ms
mFrameTimeUs = (mImageSeekTime + 1);
LOG2("DummyVideoSource::read() jpg 1st frame timeUs = %lld, begin cut time = %ld", mFrameTimeUs, mImageSeekTime);
mIsFirstImageFrame = false;
} else {
M4OSA_Time currentTimeMs;
M4OSA_clockGetTime(¤tTimeMs, 1000);
mFrameTimeUs = mImageSeekTime + (currentTimeMs - mImagePlayStartTime)*1000;
LOG2("DummyVideoSource::read() jpg frame timeUs = %lld", mFrameTimeUs);
}
buffer->meta_data()->setInt64(kKeyTime, mFrameTimeUs);
buffer->set_range(buffer->range_offset(), mFrameWidth*mFrameHeight*1.5);
*out = buffer;
return err;
}
}// namespace android
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