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
|
/*
* Copyright (C) 2023 Igalia S.L
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* aint with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "MediaPlayer.h"
#include <span>
#include <wtf/ThreadSafeRefCounted.h>
#if ENABLE(WEB_CODECS)
namespace WebCore {
enum class AudioSampleFormat;
class MediaSample;
class PlatformRawAudioData : public ThreadSafeRefCounted<PlatformRawAudioData> {
public:
virtual ~PlatformRawAudioData() = default;
static RefPtr<PlatformRawAudioData> create(std::span<const uint8_t>, AudioSampleFormat, float sampleRate, int64_t timestamp, size_t numberOfFrames, size_t numberOfChannels);
static Ref<PlatformRawAudioData> create(Ref<MediaSample>&&);
virtual constexpr MediaPlatformType platformType() const = 0;
virtual AudioSampleFormat format() const = 0;
virtual size_t sampleRate() const = 0;
virtual size_t numberOfChannels() const = 0;
virtual size_t numberOfFrames() const = 0;
virtual std::optional<uint64_t> duration() const = 0;
virtual int64_t timestamp() const = 0;
virtual size_t memoryCost() const = 0;
void copyTo(std::span<uint8_t>, AudioSampleFormat, size_t planeIndex, std::optional<size_t> frameOffset, std::optional<size_t> frameCount, unsigned long copyElementCount);
using PlaneData = std::variant<Vector<std::span<uint8_t>>, Vector<std::span<int16_t>>, Vector<std::span<int32_t>>, Vector<std::span<float>>>;
private:
void copyToInterleaved(PlaneData source, std::span<uint8_t> destination, AudioSampleFormat, unsigned long copyElementCount);
};
} // namespace WebCore
#endif // ENABLE(WEB_CODECS)
|
