1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//#define LOG_NDEBUG 0
18#define LOG_TAG "WebmFrame"
19
20#include "WebmFrame.h"
21#include "WebmConstants.h"
22
23#include <media/stagefright/foundation/ADebug.h>
24#include <unistd.h>
25
26using namespace android;
27using namespace webm;
28
29namespace {
30sp<ABuffer> toABuffer(MediaBuffer *mbuf) {
31    sp<ABuffer> abuf = new ABuffer(mbuf->range_length());
32    memcpy(abuf->data(), (uint8_t*) mbuf->data() + mbuf->range_offset(), mbuf->range_length());
33    return abuf;
34}
35}
36
37namespace android {
38
39const sp<WebmFrame> WebmFrame::EOS = new WebmFrame();
40
41WebmFrame::WebmFrame()
42    : mType(kInvalidType),
43      mKey(false),
44      mAbsTimecode(UINT64_MAX),
45      mData(new ABuffer(0)),
46      mEos(true) {
47}
48
49WebmFrame::WebmFrame(int type, bool key, uint64_t absTimecode, MediaBuffer *mbuf)
50    : mType(type),
51      mKey(key),
52      mAbsTimecode(absTimecode),
53      mData(toABuffer(mbuf)),
54      mEos(false) {
55}
56
57sp<WebmElement> WebmFrame::SimpleBlock(uint64_t baseTimecode) const {
58    return new WebmSimpleBlock(
59            mType == kVideoType ? kVideoTrackNum : kAudioTrackNum,
60            mAbsTimecode - baseTimecode,
61            mKey,
62            mData);
63}
64
65bool WebmFrame::operator<(const WebmFrame &other) const {
66    if (this->mEos) {
67        return false;
68    }
69    if (other.mEos) {
70        return true;
71    }
72    if (this->mAbsTimecode == other.mAbsTimecode) {
73        if (this->mType == kAudioType && other.mType == kVideoType) {
74            return true;
75        }
76        if (this->mType == kVideoType && other.mType == kAudioType) {
77            return false;
78        }
79        return false;
80    }
81    return this->mAbsTimecode < other.mAbsTimecode;
82}
83} /* namespace android */
84