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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 0
#define LOG_TAG "DummyVideoSource"
#include <stdlib.h>
#include <utils/Log.h>
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/MediaErrors.h>
#include <media/stagefright/MediaDefs.h>
#include <media/stagefright/MediaBuffer.h>
#include <media/stagefright/MediaBufferGroup.h>
#include <media/stagefright/MetaData.h>
#include "VideoEditorTools.h"
#include "DummyVideoSource.h"
namespace android {
sp<DummyVideoSource> DummyVideoSource::Create(
uint32_t width, uint32_t height,
uint64_t clipDuration, const char *imageUri) {
ALOGV("Create");
return new DummyVideoSource(
width, height, clipDuration, imageUri);
}
DummyVideoSource::DummyVideoSource(
uint32_t width, uint32_t height,
uint64_t clipDuration, const char *imageUri) {
ALOGV("Constructor: E");
mFrameWidth = width;
mFrameHeight = height;
mImageClipDuration = clipDuration;
mUri = imageUri;
mImageBuffer = NULL;
ALOGV("%s", mUri);
ALOGV("Constructor: X");
}
DummyVideoSource::~DummyVideoSource() {
/* Do nothing here? */
ALOGV("~DummyVideoSource");
}
status_t DummyVideoSource::start(MetaData *params) {
ALOGV("start: E");
// Get the frame buffer from the rgb file, mUri,
// and store its content into a MediaBuffer
status_t err = LvGetImageThumbNail(
(const char *)mUri,
mFrameHeight, mFrameWidth,
(M4OSA_Void **) &mImageBuffer);
if (err != OK) {
ALOGE("LvGetImageThumbNail failed: %d", err);
return err;
}
mIsFirstImageFrame = true;
mImageSeekTime = 0;
mImagePlayStartTime = 0;
mFrameTimeUs = 0;
ALOGV("start: X");
return OK;
}
status_t DummyVideoSource::stop() {
ALOGV("stop");
status_t err = OK;
if (mImageBuffer != NULL) {
free(mImageBuffer);
mImageBuffer = NULL;
}
return err;
}
sp<MetaData> DummyVideoSource::getFormat() {
ALOGV("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) {
ALOGV("read: E");
const int32_t kTimeScale = 1000; /* time scale in ms */
bool seeking = false;
int64_t seekTimeUs;
ReadOptions::SeekMode seekMode;
if (options && options->getSeekTo(&seekTimeUs, &seekMode)) {
seeking = true;
mImageSeekTime = seekTimeUs;
M4OSA_clockGetTime(&mImagePlayStartTime, kTimeScale);
}
if ((mImageSeekTime == mImageClipDuration) ||
(mFrameTimeUs == (int64_t)mImageClipDuration)) {
ALOGV("read: EOS reached");
*out = NULL;
return ERROR_END_OF_STREAM;
}
status_t err = OK;
MediaBuffer *buffer = new MediaBuffer(
mImageBuffer, (mFrameWidth * mFrameHeight * 1.5));
// Set timestamp of buffer
if (mIsFirstImageFrame) {
M4OSA_clockGetTime(&mImagePlayStartTime, kTimeScale);
mFrameTimeUs = (mImageSeekTime + 1);
ALOGV("read: jpg 1st frame timeUs = %lld, begin cut time = %ld",
mFrameTimeUs, mImageSeekTime);
mIsFirstImageFrame = false;
} else {
M4OSA_Time currentTimeMs;
M4OSA_clockGetTime(¤tTimeMs, kTimeScale);
mFrameTimeUs = mImageSeekTime +
(currentTimeMs - mImagePlayStartTime) * 1000LL;
ALOGV("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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