blob: 5109ecf1160cacb16ea0393589ba1fab5e0ebe41 (
plain)
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) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QFFMPEGRESAMPLER_P_H
#define QFFMPEGRESAMPLER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qaudiobuffer.h"
#include "qffmpeg_p.h"
#include "private/qplatformaudioresampler_p.h"
QT_BEGIN_NAMESPACE
namespace QFFmpeg
{
class Codec;
}
class QFFmpegResampler : public QPlatformAudioResampler
{
public:
QFFmpegResampler(const QAudioFormat &inputFormat, const QAudioFormat &outputFormat);
QFFmpegResampler(const QFFmpeg::Codec* codec, const QAudioFormat &outputFormat);
~QFFmpegResampler() override;
QAudioBuffer resample(const char* data, size_t size) override;
QAudioBuffer resample(const AVFrame *frame);
qint64 samplesProcessed() const { return m_samplesProcessed; }
void setSampleCompensation(qint32 delta, quint32 distance);
qint32 activeSampleCompensationDelta() const;
private:
int adjustMaxOutSamples(int inputSamplesCount);
QAudioBuffer resample(const uint8_t **inputData, int inputSamplesCount);
private:
QAudioFormat m_inputFormat;
QAudioFormat m_outputFormat;
QFFmpeg::SwrContextUPtr m_resampler;
qint64 m_samplesProcessed = 0;
qint64 m_endCompensationSample = std::numeric_limits<qint64>::min();
qint32 m_sampleCompensationDelta = 0;
};
QT_END_NAMESPACE
#endif
|
