[FFMPEG] 코덱(CODEC) 목록 구하기
■ 코덱(CODEC) 목록을 구하는 방법을 보여준다. ▶ 실행 명령
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ffmpeg -codecs |
[태그:] MULTIMEDIA
[FFMPEG] 오디오 파일 형식 변환하기
■ 오디오 파일 형식을 변환하는 방법을 보여준다. ▶ 실행 명령
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ffmpeg -i input.mp3 -c:a libvorbis output.ogg |
※ 오디오 스트림을 Vorbis로 설정한다.
[C#/WPF] MediaElement 클래스 사용하기
■ MediaElement 클래스를 사용하는 방법을 보여준다. ▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Width="800" Height="600" Title="MediaElement 클래스 사용하기" FontFamily="나눔고딕코딩" FontSize="16"> <Grid Margin="10 10 10 10"> <Grid.RowDefinitions> <RowDefinition Height="100*" /> <RowDefinition Height="10" /> <RowDefinition Height="30" /> </Grid.RowDefinitions> <Border Grid.Row="0" BorderBrush="Black" BorderThickness="1"> <MediaElement x:Name="mediaElement" LoadedBehavior="Manual" UnloadedBehavior="Manual" ScrubbingEnabled="True"/> </Border> <StackPanel Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Center"> <Button x:Name="openButton" Width="100" Margin="0,0,10,0" Content="열기" /> <Button x:Name="playButton" Width="100" Margin="0,0,10,0" Content="재생" /> <Button x:Name="stopButton" Width="100" Margin="0,0,10,0" Content="중단" /> </StackPanel> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using Microsoft.Win32; using System; using System.Windows; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); this.openButton.Click += openButton_Click; this.playButton.Click += playButton_Click; this.stopButton.Click += stopButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 열기 버튼 클릭시 처리하기 - openButton_Click(sender, e) /// <summary> /// 열기 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void openButton_Click(object sender, RoutedEventArgs e) { OpenFileDialog openFileDialog = new OpenFileDialog(); openFileDialog.Title = "미디어 소스"; openFileDialog.Filter = "미디어 파일|*.avi;*.wmv"; if(openFileDialog.ShowDialog(this).GetValueOrDefault() == true) { this.mediaElement.Source = new Uri(openFileDialog.FileName); this.mediaElement.Pause(); } } #endregion #region 재생 버튼 클릭시 처리하기 - playButton_Click(sender, e) /// <summary> /// 재생 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void playButton_Click(object sender, RoutedEventArgs e) { this.mediaElement.Play(); } #endregion #region 중단 버튼 클릭시 처리하기 - stopButton_Click(sender, e) /// <summary> /// 중단 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void stopButton_Click(object sender, RoutedEventArgs e) { this.mediaElement.Stop(); } #endregion } } |
TestProject.zip
[C#/WPF] MediaElement 클래스 : 동영상 재생하기
■ MediaElement 클래스를 사용해 동영상을 재생하는 방법을 보여준다. ▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MediaElement 클래스 : 동영상 재생하기" Width="800" Height="600" FontFamily="나눔고딕코딩" FontSize="16"> <Grid Margin="5"> <Grid.RowDefinitions> <RowDefinition Height="*" /> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <MediaElement x:Name="mediaElement" Grid.Row="0" Grid.Column="0" Margin="5" ScrubbingEnabled="True" LoadedBehavior="Manual" Source="Sample/minions.mp4" /> <ScrollBar Name="positionScrollBar" Grid.Row="1" Orientation="Horizontal" VerticalAlignment="Center" Visibility="Hidden" /> <StackPanel Grid.Row="2" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="5" Orientation="Horizontal"> <StackPanel.Resources> <Style TargetType="Button"> <Setter Property="Margin" Value="2" /> </Style> </StackPanel.Resources> <Button x:Name="playButton"> <Image Source="Image/play.png" /> </Button> <Button x:Name="pauseButton" IsEnabled="False" Opacity="0.5"> <Image Source="Image/pause.png" /> </Button> <Button x:Name="stopButton"> <Image Source="Image/stop.png" /> </Button> <Button x:Name="restartButton"> <Image Source="Image/restart.png"/> </Button> <Button Name="previousButton"> <Image Source="Image/previous.png" /> </Button> <Button x:Name="nextButton"> <Image Source="Image/next.png" /> </Button> <Label Width="5" /> <Button Name="slowerButton"> <Image Source="Image/slower.png" /> </Button> <Button x:Name="fasterButton"> <Image Source="Image/faster.png" /> </Button> <Label Margin="5 0 0 0" VerticalAlignment="Center" Content="위치 :" /> <TextBox Name="positionTextBox" Width="35" Height="25" HorizontalContentAlignment="Right" VerticalContentAlignment="Center" Text="0.0" /> <Button Name="setPositionButton" Margin="5 0 0 0" Padding="5" Height="30" Content="위치 설정" /> </StackPanel> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System; using System.Windows; using System.Windows.Threading; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 디스패처 타이머 /// </summary> private DispatcherTimer dispatcherTimer; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); Loaded += Window_Loaded; this.mediaElement.MediaOpened += mediaElement_MediaOpened; this.playButton.Click += playButton_Click; this.pauseButton.Click += pauseButton_Click; this.stopButton.Click += stopButton_Click; this.restartButton.Click += restartButton_Click; this.previousButton.Click += previousButton_Click; this.nextButton.Click += nextButton_Click; this.fasterButton.Click += fasterButton_Click; this.slowerButton.Click += slowerButton_Click; this.setPositionButton.Click += setPositionButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 윈도우 로드시 처리하기 - Window_Loaded(sender, e) /// <summary> /// 윈도우 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Window_Loaded(object sender, RoutedEventArgs e) { this.dispatcherTimer = new DispatcherTimer(); this.dispatcherTimer.Interval = TimeSpan.FromSeconds(0.1d); this.dispatcherTimer.Tick += dispatcherTimer_Tick; this.mediaElement.Stop(); } #endregion #region 디스패처 타이머 틱 처리하기 - dispatcherTimer_Tick(sender, e) /// <summary> /// 디스패처 타이머 틱 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dispatcherTimer_Tick(object sender, EventArgs e) { ShowPosition(); } #endregion #region 미디어 엘리먼트 미디어 오픈시 처리하기 - mediaElement_MediaOpened(sender, e) /// <summary> /// 미디어 엘리먼트 미디어 오픈시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void mediaElement_MediaOpened(object sender, RoutedEventArgs e) { this.positionScrollBar.Minimum = 0; this.positionScrollBar.Maximum = this.mediaElement.NaturalDuration.TimeSpan.TotalSeconds; this.positionScrollBar.Visibility = Visibility.Visible; } #endregion #region Play 버튼 클릭시 처리하기 - playButton_Click(sender, e) /// <summary> /// Play 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void playButton_Click(object sender, RoutedEventArgs e) { this.mediaElement.Play(); SetButtnsEnabled(true); } #endregion #region Pause 버튼 클릭시 처리하기 - pauseButton_Click(sender, e) /// <summary> /// Pause 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void pauseButton_Click(object sender, RoutedEventArgs e) { this.mediaElement.Pause(); SetButtnsEnabled(false); } #endregion #region Stop 버튼 클릭시 처리하기 - stopButton_Click(sender, e) /// <summary> /// Stop 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void stopButton_Click(object sender, RoutedEventArgs e) { this.mediaElement.Stop(); SetButtnsEnabled(false); ShowPosition(); } #endregion #region Restart 버튼 클릭시 처리하기 - restartButton_Click(sender, e) /// <summary> /// Restart 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void restartButton_Click(object sender, RoutedEventArgs e) { this.mediaElement.Stop(); this.mediaElement.Play(); SetButtnsEnabled(true); } #endregion #region Previous 버튼 클릭시 처리하기 - previousButton_Click(sender, e) /// <summary> /// Previous 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void previousButton_Click(object sender, RoutedEventArgs e) { this.mediaElement.Position -= TimeSpan.FromSeconds(10); ShowPosition(); } #endregion #region Next 버튼 클릭시 처리하기 - nextButton_Click(sender, e) /// <summary> /// Next 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void nextButton_Click(object sender, RoutedEventArgs e) { this.mediaElement.Position += TimeSpan.FromSeconds(10); ShowPosition(); } #endregion #region Faster 버튼 클릭시 처리하기 - fasterButton_Click(sender, e) /// <summary> /// Faster 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void fasterButton_Click(object sender, RoutedEventArgs e) { this.mediaElement.SpeedRatio *= 1.5d; } #endregion #region Slower 버튼 클릭시 처리하기 - slowerButton_Click(sender, e) /// <summary> /// Slower 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void slowerButton_Click(object sender, RoutedEventArgs e) { this.mediaElement.SpeedRatio /= 1.5d; } #endregion #region 위치 설정 버튼 클릭시 처리하기 - setPositionButton_Click(sender, e) /// <summary> /// 위치 설정 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void setPositionButton_Click(object sender, RoutedEventArgs e) { TimeSpan timespan = TimeSpan.FromSeconds(double.Parse(this.positionTextBox.Text)); this.mediaElement.Position = timespan; ShowPosition(); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 위치 보여주기 - ShowPosition() /// <summary> /// 위치 보여주기 /// </summary> private void ShowPosition() { this.positionScrollBar.Value = this.mediaElement.Position.TotalSeconds; this.positionTextBox.Text = this.mediaElement.Position.TotalSeconds.ToString("0.0"); } #endregion #region 버튼들 이용 가능 여부 설정하기 - SetButtnsEnabled(isPlaying) /// <summary> /// 버튼들 이용 가능 여부 설정하기 /// </summary> /// <param name="isPlaying">재생 여부</param> private void SetButtnsEnabled(bool isPlaying) { if(isPlaying) { this.playButton.IsEnabled = false; this.pauseButton.IsEnabled = true; this.playButton.Opacity = 0.5d; this.pauseButton.Opacity = 1.0d; } else { this.playButton.IsEnabled = true; this.pauseButton.IsEnabled = false; this.playButton.Opacity = 1.0d; this.pauseButton.Opacity = 0.5d; } this.dispatcherTimer.IsEnabled = isPlaying; } #endregion } } |
TestProject.zip