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qffmpegencodinginitializer_p.h
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// Copyright (C) 2024 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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#ifndef QENCODINGINITIALIZER_P_H
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#define QENCODINGINITIALIZER_P_H
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#include "
qobject.h
"
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#include "private/qmediainputencoderinterface_p.h"
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#include <unordered_set>
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#include <vector>
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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QT_BEGIN_NAMESPACE
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class
QFFmpegAudioInput
;
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class
QPlatformVideoSource
;
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class
QPlatformAudioBufferInput
;
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class
QPlatformAudioBufferInputBase
;
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class
QMediaInputEncoderInterface
;
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namespace
QFFmpeg
{
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class
RecordingEngine;
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// Initializes RecordingEngine with audio and video sources, potentially lazily
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// upon first frame arrival if video frame format is not pre-determined.
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class
EncodingInitializer
:
public
QObject
,
private
QMediaInputEncoderInterface
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{
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public
:
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EncodingInitializer
(
RecordingEngine
&
engine
);
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~EncodingInitializer
()
override
;
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void
start
(
const
std::vector<QPlatformAudioBufferInputBase *> &audioSources,
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const
std::vector<QPlatformVideoSource *> &videoSources);
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private
:
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void
addAudioBufferInput(
QPlatformAudioBufferInput
*
input
);
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void
addPendingAudioBufferInput(
QPlatformAudioBufferInput
*
input
);
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void
addVideoSource(
QPlatformVideoSource
*
source
);
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void
addPendingVideoSource(
QPlatformVideoSource
*
source
);
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void
addPendingSource(
QObject
*
source
);
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void
tryStartRecordingEngine();
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private
:
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void
emitStreamInitializationError(
QString
error
);
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template
<
typename
F>
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void
erasePendingSource(
QObject
*
source
, F &&functionOrError,
bool
destroyed
=
false
);
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bool
canPushFrame
()
const override
;
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private
:
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RecordingEngine
&m_recordingEngine;
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std::unordered_set<QObject *> m_pendingSources;
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};
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}
// namespace QFFmpeg
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QT_END_NAMESPACE
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#endif
// QENCODINGINITIALIZER_P_H
QFFmpegAudioInput
Definition
qffmpegaudioinput_p.h:33
QFFmpeg::EncodingInitializer
Definition
qffmpegencodinginitializer_p.h:38
QFFmpeg::EncodingInitializer::EncodingInitializer
EncodingInitializer(RecordingEngine &engine)
Definition
qffmpegencodinginitializer.cpp:18
QFFmpeg::EncodingInitializer::~EncodingInitializer
~EncodingInitializer() override
Definition
qffmpegencodinginitializer.cpp:20
QFFmpeg::EncodingInitializer::canPushFrame
bool canPushFrame() const override
Definition
qffmpegencodinginitializer.cpp:158
QFFmpeg::RecordingEngine
Definition
qffmpegrecordingengine_p.h:43
QMediaInputEncoderInterface
Definition
qmediainputencoderinterface_p.h:23
QObject
\inmodule QtCore
Definition
qobject.h:103
QObject::destroyed
void destroyed(QObject *=nullptr)
This signal is emitted immediately before the object obj is destroyed, after any instances of QPointe...
QPlatformAudioBufferInputBase
Definition
qplatformaudiobufferinput_p.h:26
QPlatformAudioBufferInput
Definition
qplatformaudiobufferinput_p.h:33
QPlatformVideoSource
Definition
qplatformvideosource_p.h:32
QString
\macro QT_RESTRICTED_CAST_FROM_ASCII
Definition
qstring.h:129
QFFmpeg
Definition
qffmpegaudiorenderer.cpp:18
QT_BEGIN_NAMESPACE
Combined button and popup list for selecting options.
Definition
qstandardpaths_haiku.cpp:21
QT_END_NAMESPACE
Definition
qsharedpointer.cpp:1590
error
DBusConnection const char DBusError * error
Definition
qdbus_symbols_p.h:165
qobject.h
start
GLuint start
Definition
qopengles2ext.h:354
source
GLsizei GLsizei GLchar * source
Definition
qopengles2ext.h:952
input
GLenum GLenum GLenum input
Definition
qopenglext.h:10816
engine
QJSEngine engine
[0]
Definition
src_script_qjsvalue.cpp:14
qtmultimedia
src
plugins
multimedia
ffmpeg
recordingengine
qffmpegencodinginitializer_p.h
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