diff options
Diffstat (limited to 'src/multimedia/doc/snippets/multimedia-snippets/media.cpp')
| -rw-r--r-- | src/multimedia/doc/snippets/multimedia-snippets/media.cpp | 318 |
1 files changed, 39 insertions, 279 deletions
diff --git a/src/multimedia/doc/snippets/multimedia-snippets/media.cpp b/src/multimedia/doc/snippets/multimedia-snippets/media.cpp index 5ba7fcc25..a4b9a9fb5 100644 --- a/src/multimedia/doc/snippets/multimedia-snippets/media.cpp +++ b/src/multimedia/doc/snippets/multimedia-snippets/media.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Mobility Components. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause /* Media related snippets */ #include <QFile> @@ -44,17 +8,15 @@ #include "qmediaplaylist.h" #include "qmediarecorder.h" -#include "qmediaservice.h" -#include "qmediaplayercontrol.h" +#include "qplatformmediaplayer_p.h" #include "qmediaplayer.h" #include "qvideowidget.h" -#include "qcameraimagecapture.h" +#include "qimagecapture.h" #include "qcamera.h" #include "qcameraviewfinder.h" -#include "qaudioprobe.h" #include "qaudiorecorder.h" -#include "qvideoprobe.h" -#include <QAbstractVideoSurface> +#include "qurl.h" +#include <QVideoSink> class MediaExample : public QObject { Q_OBJECT @@ -62,28 +24,22 @@ class MediaExample : public QObject { void MediaControl(); void MediaPlayer(); void MediaRecorder(); - void AudioRecorder(); - void EncoderSettings(); - void ImageEncoderSettings(); - void AudioProbe(); - void VideoProbe(); + void recorderSettings(); + void imageSettings(); private: // Common naming - QMediaService *mediaService; QVideoWidget *videoWidget; QWidget *widget; QMediaPlayer *player; + QAudioOutput *audioOutput; QMediaPlaylist *playlist; QMediaContent video; QMediaRecorder *recorder; QCamera *camera; QCameraViewfinder *viewfinder; - QCameraImageCapture *imageCapture; + QImageCapture *imageCapture; QString fileName; - QAudioRecorder *audioRecorder; - QAudioProbe *audioProbe; - QVideoProbe *videoProbe; QMediaContent image1; QMediaContent image2; @@ -92,258 +48,62 @@ private: void MediaExample::MediaControl() { - { - //! [Request control] - QMediaPlayerControl *control = qobject_cast<QMediaPlayerControl *>( - mediaService->requestControl("org.qt-project.qt.mediaplayercontrol/5.0")); - //! [Request control] - Q_UNUSED(control); - } - - { - //! [Request control templated] - QMediaPlayerControl *control = mediaService->requestControl<QMediaPlayerControl *>(); - //! [Request control templated] - Q_UNUSED(control); - } } -void MediaExample::EncoderSettings() +void MediaExample::recorderSettings() { - //! [Audio encoder settings] - QAudioEncoderSettings audioSettings; - audioSettings.setCodec("audio/mpeg"); - audioSettings.setChannelCount(2); - - recorder->setAudioSettings(audioSettings); - //! [Audio encoder settings] + //! [Media recorder settings] + QMediaFormat format(QMediaFormat::MPEG4); + format.setVideoCodec(QMediaRecorder::VideoCodec::H264); + format.setAudioCodec(QMediaRecorder::AudioCodec::MP3); - //! [Video encoder settings] - QVideoEncoderSettings videoSettings; - videoSettings.setCodec("video/mpeg2"); - videoSettings.setResolution(640, 480); - - recorder->setVideoSettings(videoSettings); - //! [Video encoder settings] + recorder->setMediaFormat(settings); + //! [Media recorder settings] } -void MediaExample::ImageEncoderSettings() +void MediaExample::imageSettings() { - //! [Image encoder settings] - QImageEncoderSettings imageSettings; - imageSettings.setCodec("image/jpeg"); - imageSettings.setResolution(1600, 1200); - - imageCapture->setEncodingSettings(imageSettings); - //! [Image encoder settings] + //! [Image recorder settings] + imageCapture->setFileFormat(QImageCapture::JPEG); + imageCapture->setResolution(1600, 1200); + //! [Image recorder settings] } void MediaExample::MediaPlayer() { //! [Player] player = new QMediaPlayer; - connect(player, SIGNAL(positionChanged(qint64)), this, SLOT(positionChanged(qint64))); - player->setMedia(QUrl::fromLocalFile("/Users/me/Music/coolsong.mp3")); - player->setVolume(50); + audioOutput = new QAudioOutput; + player->setAudioOutput(audioOutput); + connect(player, &QMediaPlayer::positionChanged, this, &MediaExample::positionChanged); + player->setSource(QUrl::fromLocalFile("/Users/me/Music/coolsong.mp3")); + audioOutput->setVolume(50); player->play(); //! [Player] //! [Local playback] player = new QMediaPlayer; + audioOutput = new QAudioOutput; + player->setAudioOutput(audioOutput); // ... - player->setMedia(QUrl::fromLocalFile("/Users/me/Music/coolsong.mp3")); - player->setVolume(50); + player->setSource(QUrl::fromLocalFile("/Users/me/Music/coolsong.mp3")); + audioOutput->setVolume(50); player->play(); //! [Local playback] - - //! [Audio playlist] - player = new QMediaPlayer; - - playlist = new QMediaPlaylist(player); - playlist->addMedia(QUrl("http://example.com/myfile1.mp3")); - playlist->addMedia(QUrl("http://example.com/myfile2.mp3")); - // ... - playlist->setCurrentIndex(1); - player->play(); - //! [Audio playlist] - - //! [Movie playlist] - playlist = new QMediaPlaylist; - playlist->addMedia(QUrl("http://example.com/movie1.mp4")); - playlist->addMedia(QUrl("http://example.com/movie2.mp4")); - playlist->addMedia(QUrl("http://example.com/movie3.mp4")); - playlist->setCurrentIndex(1); - - player = new QMediaPlayer; - player->setPlaylist(playlist); - - videoWidget = new QVideoWidget; - player->setVideoOutput(videoWidget); - videoWidget->show(); - - player->play(); - //! [Movie playlist] - - //! [Pipeline] - player = new QMediaPlayer; - player->setMedia(QUrl("gst-pipeline: videotestsrc ! autovideosink")); - player->play(); - //! [Pipeline] - - //! [Pipeline Surface] - class Surface : public QAbstractVideoSurface - { - public: - Surface(QObject *p) : QAbstractVideoSurface(p) { } - QList<QVideoFrame::PixelFormat> supportedPixelFormats(QAbstractVideoBuffer::HandleType) const override - { - // Make sure that the driver supports this pixel format. - return QList<QVideoFrame::PixelFormat>() << QVideoFrame::Format_YUYV; - } - - // Video frames are handled here. - bool present(const QVideoFrame &) override { return true; } - }; - - player = new QMediaPlayer; - player->setVideoOutput(new Surface(player)); - player->setMedia(QUrl("gst-pipeline: videotestsrc ! qtvideosink")); - player->play(); - //! [Pipeline Surface] - - //! [Pipeline Widget] - player = new QMediaPlayer; - videoWidget = new QVideoWidget; - videoWidget->show(); - player->setVideoOutput(videoWidget); - player->setMedia(QUrl("gst-pipeline: videotestsrc ! xvimagesink name=\"qtvideosink\"")); - player->play(); - //! [Pipeline Widget] - - //! [Pipeline appsrc] - QImage img("images/qt-logo.png"); - img = img.convertToFormat(QImage::Format_ARGB32); - QByteArray ba(reinterpret_cast<const char *>(img.bits()), img.sizeInBytes()); - QBuffer buffer(&ba); - buffer.open(QIODevice::ReadOnly); - player = new QMediaPlayer; - player->setMedia(QUrl("gst-pipeline: appsrc blocksize=4294967295 ! \ - video/x-raw,format=BGRx,framerate=30/1,width=200,height=147 ! \ - coloreffects preset=heat ! videoconvert ! video/x-raw,format=I420 ! jpegenc ! rtpjpegpay ! \ - udpsink host=127.0.0.1 port=5000"), &buffer); - player->play(); - - QMediaPlayer *receiver = new QMediaPlayer; - videoWidget = new QVideoWidget; - receiver->setVideoOutput(videoWidget); - receiver->setMedia(QUrl("gst-pipeline: udpsrc port=5000 ! \ - application/x-rtp,encoding-name=JPEG,payload=26 ! rtpjpegdepay ! jpegdec ! \ - xvimagesink name=qtvideosink")); - receiver->play(); - // Content will be shown in this widget. - videoWidget->show(); - //! [Pipeline appsrc] } void MediaExample::MediaRecorder() { //! [Media recorder] - recorder = new QMediaRecorder(camera); - - QAudioEncoderSettings audioSettings; - audioSettings.setCodec("audio/amr"); - audioSettings.setQuality(QMultimedia::HighQuality); - - recorder->setAudioSettings(audioSettings); - - recorder->setOutputLocation(QUrl::fromLocalFile(fileName)); - recorder->record(); + QMediaCaptureSession session; + QAudioInput audioInput; + session.setAudioInput(&input); + QMediaRecorder recorder; + session.setRecorder(&recorder); + recorder.setQuality(QMediaRecorder::HighQuality); + recorder.setOutputLocation(QUrl::fromLocalFile("test.mp3")); + recorder.record(); //! [Media recorder] } -void MediaExample::AudioRecorder() -{ - //! [Audio recorder] - audioRecorder = new QAudioRecorder; - - QAudioEncoderSettings audioSettings; - audioSettings.setCodec("audio/amr"); - audioSettings.setQuality(QMultimedia::HighQuality); - - audioRecorder->setEncodingSettings(audioSettings); - - audioRecorder->setOutputLocation(QUrl::fromLocalFile("test.amr")); - audioRecorder->record(); - //! [Audio recorder] - - //! [Audio recorder inputs] - const QStringList inputs = audioRecorder->audioInputs(); - QString selectedInput = audioRecorder->defaultAudioInput(); - - for (const QString &input : inputs) { - QString description = audioRecorder->audioInputDescription(input); - // show descriptions to user and allow selection - selectedInput = input; - } - - audioRecorder->setAudioInput(selectedInput); - //! [Audio recorder inputs] -} - -void MediaExample::AudioProbe() -{ - //! [Audio probe] - audioRecorder = new QAudioRecorder; - - QAudioEncoderSettings audioSettings; - audioSettings.setCodec("audio/amr"); - audioSettings.setQuality(QMultimedia::HighQuality); - - audioRecorder->setEncodingSettings(audioSettings); - - audioRecorder->setOutputLocation(QUrl::fromLocalFile("test.amr")); - - audioProbe = new QAudioProbe(this); - if (audioProbe->setSource(audioRecorder)) { - // Probing succeeded, audioProbe->isValid() should be true. - connect(audioProbe, SIGNAL(audioBufferProbed(QAudioBuffer)), - this, SLOT(calculateLevel(QAudioBuffer))); - } - - audioRecorder->record(); - // Now audio buffers being recorded should be signaled - // by the probe, so we can do things like calculating the - // audio power level, or performing a frequency transform - //! [Audio probe] -} - -void MediaExample::VideoProbe() -{ - //! [Video probe] - camera = new QCamera; - viewfinder = new QCameraViewfinder(); - camera->setViewfinder(viewfinder); - - camera->setCaptureMode(QCamera::CaptureVideo); - - videoProbe = new QVideoProbe(this); - - if (videoProbe->setSource(camera)) { - // Probing succeeded, videoProbe->isValid() should be true. - connect(videoProbe, SIGNAL(videoFrameProbed(QVideoFrame)), - this, SLOT(detectBarcodes(QVideoFrame))); - } - - camera->start(); - // Viewfinder frames should now also be emitted by - // the video probe, even in still image capture mode. - // Another alternative is to install the probe on a - // QMediaRecorder connected to the camera to get the - // recorded frames, if they are different from the - // viewfinder frames. - - //! [Video probe] -} - - |