diff options
Diffstat (limited to 'src/plugins/multimedia/ffmpeg/qffmpegresampler_p.h')
| -rw-r--r-- | src/plugins/multimedia/ffmpeg/qffmpegresampler_p.h | 70 |
1 files changed, 24 insertions, 46 deletions
diff --git a/src/plugins/multimedia/ffmpeg/qffmpegresampler_p.h b/src/plugins/multimedia/ffmpeg/qffmpegresampler_p.h index ddede2aab..5109ecf11 100644 --- a/src/plugins/multimedia/ffmpeg/qffmpegresampler_p.h +++ b/src/plugins/multimedia/ffmpeg/qffmpegresampler_p.h @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2022 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// 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 @@ -52,31 +16,45 @@ #include "qaudiobuffer.h" #include "qffmpeg_p.h" +#include "private/qplatformaudioresampler_p.h" QT_BEGIN_NAMESPACE namespace QFFmpeg { +class Codec; +} -struct Codec; - -class Resampler +class QFFmpegResampler : public QPlatformAudioResampler { public: - Resampler(const Codec *codec, const QAudioFormat &outputFormat); - ~Resampler(); + 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; - SwrContext *resampler = nullptr; + QFFmpeg::SwrContextUPtr m_resampler; qint64 m_samplesProcessed = 0; + qint64 m_endCompensationSample = std::numeric_limits<qint64>::min(); + qint32 m_sampleCompensationDelta = 0; }; -} - QT_END_NAMESPACE #endif |