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/*
* Copyright (C) 2014 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 "WebmFrame"
#include "WebmFrame.h"
#include "WebmConstants.h"
#include <media/stagefright/foundation/ADebug.h>
#include <unistd.h>
using namespace android;
using namespace webm;
namespace {
sp<ABuffer> toABuffer(MediaBuffer *mbuf) {
sp<ABuffer> abuf = new ABuffer(mbuf->range_length());
memcpy(abuf->data(), (uint8_t*) mbuf->data() + mbuf->range_offset(), mbuf->range_length());
return abuf;
}
}
namespace android {
const sp<WebmFrame> WebmFrame::EOS = new WebmFrame();
WebmFrame::WebmFrame()
: mType(kInvalidType),
mKey(false),
mAbsTimecode(UINT64_MAX),
mData(new ABuffer(0)),
mEos(true) {
}
WebmFrame::WebmFrame(int type, bool key, uint64_t absTimecode, MediaBuffer *mbuf)
: mType(type),
mKey(key),
mAbsTimecode(absTimecode),
mData(toABuffer(mbuf)),
mEos(false) {
}
sp<WebmElement> WebmFrame::SimpleBlock(uint64_t baseTimecode) const {
return new WebmSimpleBlock(
mType == kVideoType ? kVideoTrackNum : kAudioTrackNum,
mAbsTimecode - baseTimecode,
mKey,
mData);
}
bool WebmFrame::operator<(const WebmFrame &other) const {
if (this->mEos) {
return false;
}
if (other.mEos) {
return true;
}
if (this->mAbsTimecode == other.mAbsTimecode) {
if (this->mType == kAudioType && other.mType == kVideoType) {
return true;
}
if (this->mType == kVideoType && other.mType == kAudioType) {
return false;
}
return false;
}
return this->mAbsTimecode < other.mAbsTimecode;
}
} /* namespace android */
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