1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(WEB_CODECS)
#include "BufferSource.h"
#include "ExceptionOr.h"
#include "WebCodecsEncodedVideoChunkData.h"
#include <wtf/ThreadSafeRefCounted.h>
namespace WebCore {
class WebCodecsEncodedVideoChunkStorage : public ThreadSafeRefCounted<WebCodecsEncodedVideoChunkStorage> {
public:
static Ref<WebCodecsEncodedVideoChunkStorage> create(WebCodecsEncodedVideoChunkType type, int64_t timestamp, std::optional<uint64_t> duration, Vector<uint8_t>&& buffer) { return create(WebCodecsEncodedVideoChunkData { type, timestamp, duration, WTFMove(buffer) }); }
static Ref<WebCodecsEncodedVideoChunkStorage> create(WebCodecsEncodedVideoChunkData&& data) { return adoptRef(* new WebCodecsEncodedVideoChunkStorage(WTFMove(data))); }
const WebCodecsEncodedVideoChunkData& data() const { return m_data; }
uint64_t memoryCost() const { return m_data.buffer.size(); }
private:
explicit WebCodecsEncodedVideoChunkStorage(WebCodecsEncodedVideoChunkData&&);
const WebCodecsEncodedVideoChunkData m_data;
};
class WebCodecsEncodedVideoChunk : public RefCounted<WebCodecsEncodedVideoChunk> {
public:
~WebCodecsEncodedVideoChunk() = default;
struct Init {
WebCodecsEncodedVideoChunkType type { WebCodecsEncodedVideoChunkType::Key };
int64_t timestamp { 0 };
std::optional<uint64_t> duration;
BufferSource data;
};
static Ref<WebCodecsEncodedVideoChunk> create(Init&& init) { return adoptRef(*new WebCodecsEncodedVideoChunk(WTFMove(init))); }
static Ref<WebCodecsEncodedVideoChunk> create(Ref<WebCodecsEncodedVideoChunkStorage>&& storage) { return adoptRef(*new WebCodecsEncodedVideoChunk(WTFMove(storage))); }
WebCodecsEncodedVideoChunkType type() const { return m_storage->data().type; };
int64_t timestamp() const { return m_storage->data().timestamp; }
std::optional<uint64_t> duration() const { return m_storage->data().duration; }
size_t byteLength() const { return m_storage->data().buffer.size(); }
ExceptionOr<void> copyTo(BufferSource&&);
std::span<const uint8_t> span() const { return m_storage->data().buffer.span(); }
WebCodecsEncodedVideoChunkStorage& storage() { return m_storage.get(); }
private:
explicit WebCodecsEncodedVideoChunk(Init&&);
explicit WebCodecsEncodedVideoChunk(Ref<WebCodecsEncodedVideoChunkStorage>&&);
Ref<WebCodecsEncodedVideoChunkStorage> m_storage;
};
inline WebCodecsEncodedVideoChunkStorage::WebCodecsEncodedVideoChunkStorage(WebCodecsEncodedVideoChunkData&& data)
: m_data { WTFMove(data) }
{
}
inline WebCodecsEncodedVideoChunk::WebCodecsEncodedVideoChunk(Ref<WebCodecsEncodedVideoChunkStorage>&& storage)
: m_storage(WTFMove(storage))
{
}
}
#endif // ENABLE(WEB_CODECS)
|
