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■ DirectShow를 사용해 동영상 재생하기

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TestProject.zip


MainForm.cs

 

 

using System;

using System.Windows.Forms;

 

using QuartzTypeLib;

 

namespace TestProject

{

    /// <summary>

    /// 메인 폼

    /// </summary>

    public partial class MainForm : Form

    {

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field

        ////////////////////////////////////////////////////////////////////////////////////////// Private

 

        #region Field

 

        /// <summary>

        /// WM_APP

        /// </summary>

        private const int WM_APP = 0x8000;

 

        /// <summary>

        /// WM_GRAPHNOTIFY

        /// </summary>

        private const int WM_GRAPHNOTIFY = WM_APP + 1;

 

        /// <summary>

        /// EC_COMPLETE

        /// </summary>

        private const int EC_COMPLETE = 0x01;

 

        /// <summary>

        /// WS_CHILD

        /// </summary>

        private const int WS_CHILD = 0x40000000;

 

        /// <summary>

        /// WS_CLIPCHILDREN

        /// </summary>

        private const int WS_CLIPCHILDREN = 0x2000000;

 

 

        /// <summary>

        /// 필터 그래프 관리자

        /// </summary>

        private FilgraphManager filterGraphManager = null;

 

        /// <summary>

        /// 기본 오디오

        /// </summary>

        private IBasicAudio basicAudio = null;

 

        /// <summary>

        /// 비디오 윈도우

        /// </summary>

        private IVideoWindow videoWindow = null;

 

        /// <summary>

        /// 미디어 이벤트

        /// </summary>

        private IMediaEvent mediaEvent = null;

 

        /// <summary>

        /// 미디어 이벤트 확장

        /// </summary>

        private IMediaEventEx mediaEventEX = null;

 

        /// <summary>

        /// 미디어 위치

        /// </summary>

        private IMediaPosition mediaPosition = null;

 

        /// <summary>

        /// 미디어 컨트롤

        /// </summary>

        private IMediaControl mediaControl = null;

 

        /// <summary>

        /// 미디어 상태

        /// </summary>

        private MediaStatus mediaStatus = MediaStatus.NONE;

 

        #endregion

 

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

        ////////////////////////////////////////////////////////////////////////////////////////// Public

 

        #region 생성자 - MainForm()

 

        /// <summary>

        /// 생성자

        /// </summary>

        public MainForm()

        {

            InitializeComponent();

 

            UpdateToolBar();

            UpdateStatusBar();

 

            FormClosing             += Form_FormClosing;

            SizeChanged             += Form_SizeChanged;

            this.openMenuItem.Click += openMenuItem_Click;

            this.exitMenuItem.Click += exitMenuItem_Click;

            this.playButton.Click   += playButton_Click;

            this.pauseButton.Click  += pauseButton_Click;

            this.stopButton.Click   += stopButton_Click;

            this.timer.Tick         += timer_Tick;

        }

 

        #endregion

 

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method

        ////////////////////////////////////////////////////////////////////////////////////////// Protected

 

        #region 윈도우 프로시저 처리하기 - WndProc(message)

 

        /// <summary>

        /// 윈도우 프로시저 처리하기

        /// </summary>

        /// <param name="message">메시지</param>

        protected override void WndProc(ref Message message)

        {

            if(message.Msg == WM_GRAPHNOTIFY)

            {

                int eventCode;

                int parameter1;

                int parameter2;

 

                while(true)

                {

                    try

                    {

                        this.mediaEventEX.GetEvent(out eventCode, out parameter1, out parameter2, 0);

 

                        this.mediaEventEX.FreeEventParams(eventCode, parameter1, parameter2);

 

                        if(eventCode == EC_COMPLETE)

                        {

                            this.mediaControl.Stop();

 

                            this.mediaPosition.CurrentPosition = 0;

 

                            this.mediaStatus = MediaStatus.STOPPED;

 

                            UpdateToolBar();

                            UpdateStatusBar();

                        }

                    }

                    catch(Exception)

                    {

                        break;

                    }

                }

            }

 

            base.WndProc(ref message);

        }

 

        #endregion

 

        ////////////////////////////////////////////////////////////////////////////////////////// Private

        //////////////////////////////////////////////////////////////////////////////// Event

 

        #region 폼 크기 변경시 처리하기 - Form_SizeChanged(sender, e)

 

        /// <summary>

        /// 폼 크기 변경시 처리하기

        /// </summary>

        /// <param name="sender">이벤트 발생자</param>

        /// <param name="e">이벤트 인자</param>

        private void Form_SizeChanged(object sender, EventArgs e)

        {

            if(this.videoWindow != null)

            {

                this.videoWindow.SetWindowPosition

                (

                    this.canvasPanel.ClientRectangle.Left,

                    this.canvasPanel.ClientRectangle.Top,

                    this.canvasPanel.ClientRectangle.Width,

                    this.canvasPanel.ClientRectangle.Height

                );

            }

        }

 

        #endregion

        #region 폼 닫을 경우 처리하기 - Form_FormClosing(sender, e)

 

        /// <summary>

        /// 폼 닫을 경우 처리하기

        /// </summary>

        /// <param name="sender">이벤트 발생자</param>

        /// <param name="e">이벤트 인자</param>

        private void Form_FormClosing(object sender, FormClosingEventArgs e)

        {

            ReleaseResource();

        }

 

        #endregion

        #region 열기 메뉴 항목 클릭시 처리하기 - openMenuItem_Click(sender, e)

 

        /// <summary>

        /// 열기 메뉴 항목 클릭시 처리하기

        /// </summary>

        /// <param name="sender">이벤트 발생자</param>

        /// <param name="e">이벤트 인자</param>

        private void openMenuItem_Click(object sender, EventArgs e)

        {

            OpenFileDialog openFileDialog = new OpenFileDialog();

 

            openFileDialog.Filter = "미디어 파일|*.mpg;*.avi;*.wma;*.wmv;*.mov;*.wav;*.mp2;*.mp3|모든 파일|*.*";

 

            if(DialogResult.OK == openFileDialog.ShowDialog())

            {

                ReleaseResource();

 

                this.filterGraphManager = new FilgraphManager();

 

                this.filterGraphManager.RenderFile(openFileDialog.FileName);

 

                this.basicAudio = this.filterGraphManager as IBasicAudio;

                

                try

                {

                    this.videoWindow = this.filterGraphManager as IVideoWindow;

 

                    this.videoWindow.Owner       = (int)this.canvasPanel.Handle;

                    this.videoWindow.WindowStyle = WS_CHILD | WS_CLIPCHILDREN;

 

                    this.videoWindow.SetWindowPosition

                    (

                        this.canvasPanel.ClientRectangle.Left,

                        this.canvasPanel.ClientRectangle.Top,

                        this.canvasPanel.ClientRectangle.Width,

                        this.canvasPanel.ClientRectangle.Height

                    );

                }

                catch(Exception)

                {

                    this.videoWindow = null;

                }

 

                this.mediaEvent = this.filterGraphManager as IMediaEvent;

 

                this.mediaEventEX = this.filterGraphManager as IMediaEventEx;

 

                this.mediaEventEX.SetNotifyWindow((int) this.Handle,WM_GRAPHNOTIFY, 0);

 

                this.mediaPosition = this.filterGraphManager as IMediaPosition;

 

                this.mediaControl = this.filterGraphManager as IMediaControl;

 

                this.Text = "DirectShow를 사용해 동영상 재생하기 - [" + openFileDialog.FileName + "]";

 

                this.mediaControl.Run();

 

                mediaStatus = MediaStatus.RUNNING;

 

                UpdateToolBar();

                UpdateStatusBar();

            }

        }

 

        #endregion

        #region 종료 메뉴 항목 클릭시 처리하기 - exitMenuItem_Click(sender, e)

 

        /// <summary>

        /// 종료 메뉴 항목 클릭시 처리하기

        /// </summary>

        /// <param name="sender">이벤트 발생자</param>

        /// <param name="e">이벤트 인자</param>

        private void exitMenuItem_Click(object sender, EventArgs e)

        {

            Close();

        }

 

        #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, EventArgs e)

        {

            this.mediaControl.Run();

 

            this.mediaStatus = MediaStatus.RUNNING;

 

            UpdateToolBar();

            UpdateStatusBar();

        }

 

        #endregion

        #region 중지 버튼 클릭시 처리하기 - pauseButton_Click(sender, e)

 

        /// <summary>

        /// 중지 버튼 클릭시 처리하기

        /// </summary>

        /// <param name="sender">이벤트 발생자</param>

        /// <param name="e">이벤트 인자</param>

        private void pauseButton_Click(object sender, EventArgs e)

        {

            this.mediaControl.Pause();

 

            this.mediaStatus = MediaStatus.PAUSED;

 

            UpdateToolBar();

            UpdateStatusBar();

        }

 

        #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, EventArgs e)

        {

            this.mediaControl.Stop();

 

            this.mediaPosition.CurrentPosition = 0;

 

            this.mediaStatus = MediaStatus.STOPPED;

 

            UpdateToolBar();

            UpdateStatusBar();

        }

 

        #endregion

        #region 타이머 틱 처리하기 - timer_Tick(sender, e)

 

        /// <summary>

        /// 타이머 틱 처리하기

        /// </summary>

        /// <param name="sender">이벤트 발생자</param>

        /// <param name="e">이벤트 인자</param>

        private void timer_Tick(object sender, EventArgs e)

        {

            if(this.mediaStatus == MediaStatus.RUNNING)

            {

                UpdateStatusBar();

            }

        }

 

        #endregion

 

        //////////////////////////////////////////////////////////////////////////////// Function

 

        #region 리소스 해제하기 - ReleaseResource()

 

        /// <summary>

        /// 리소스 해제하기

        /// </summary>

        private void ReleaseResource()

        {

            if(this.mediaControl != null)

            {

                this.mediaControl.Stop();

            }

 

            this.mediaStatus = MediaStatus.STOPPED;

 

            if(this.mediaEventEX != null)

            {

                this.mediaEventEX.SetNotifyWindow(0, 0, 0);

            }

 

            if(this.videoWindow != null)

            {

                this.videoWindow.Visible = 0;

                this.videoWindow.Owner   = 0;

            }

 

            if(this.mediaControl != null)

            {

                this.mediaControl = null;

            }

 

            if(this.mediaPosition != null)

            {

                this.mediaPosition = null;

            }

 

            if(this.mediaEventEX != null)

            {

                this.mediaEventEX = null;

            }

 

            if(this.mediaEvent != null)

            {

                this.mediaEvent = null;

            }

 

            if(this.videoWindow != null)

            {

                this.videoWindow = null;

            }

 

            if(this.basicAudio != null)

            {

                this.basicAudio = null;

            }

 

            if(this.filterGraphManager != null)

            {

                this.filterGraphManager = null;

            }

        }

 

        #endregion

        #region 툴바 갱신하기 - UpdateToolBar()

 

        /// <summary>

        /// 툴바 갱신하기

        /// </summary>

        private void UpdateToolBar()

        {

            switch(this.mediaStatus)

            {

                case MediaStatus.NONE :

                

                    this.playButton.Enabled  = false;

                    this.pauseButton.Enabled = false;

                    this.stopButton.Enabled  = false;

                    

                    break;

                                          

                case MediaStatus.PAUSED :

                

                    this.playButton.Enabled  = true;

                    this.pauseButton.Enabled = false;

                    this.stopButton.Enabled  = true;

                    

                    break;

                                          

                case MediaStatus.RUNNING :

                

                    this.playButton.Enabled  = false;

                    this.pauseButton.Enabled = true;

                    this.stopButton.Enabled  = true;

                    

                    break;

                                          

                case MediaStatus.STOPPED :

                

                    this.playButton.Enabled  = true;

                    this.pauseButton.Enabled = false;

                    this.stopButton.Enabled  = false;

                    

                    break;

            }

        }

 

        #endregion

        #region 상태바 갱신하기 - UpdateStatusBar()

 

        /// <summary>

        /// 상태바 갱신하기

        /// </summary>

        private void UpdateStatusBar()

        {

            switch(this.mediaStatus)

            {

                case MediaStatus.NONE    : this.messageToolStripStatusLabel.Text = "중단";   break;

                case MediaStatus.PAUSED  : this.messageToolStripStatusLabel.Text = "중지";   break;

                case MediaStatus.RUNNING : this.messageToolStripStatusLabel.Text = "재생중"; break;

                case MediaStatus.STOPPED : this.messageToolStripStatusLabel.Text = "중단";   break;

            }

 

            if(this.mediaPosition != null)

            {

                int secondCount = (int) this.mediaPosition.Duration;

                int hourCount   = secondCount / 3600;

                int minuteCount = (secondCount  - (hourCount * 3600)) / 60;

 

                secondCount = secondCount - (hourCount * 3600 + minuteCount * 60);

                

                this.totalTimeToolStripStatusLabel.Text = string.Format("{0:D2}:{1:D2}:{2:D2}", hourCount, minuteCount, secondCount);

 

                secondCount = (int) this.mediaPosition.CurrentPosition;

                hourCount   = secondCount / 3600;

                minuteCount = (secondCount  - (hourCount * 3600)) / 60;

                secondCount = secondCount - (hourCount * 3600 + minuteCount * 60);

                

                this.playTimeToolStripStatusLabel.Text = String.Format("{0:D2}:{1:D2}:{2:D2}", hourCount, minuteCount, secondCount);

            }

            else

            {

                this.totalTimeToolStripStatusLabel.Text = "00:00:00";

                this.playTimeToolStripStatusLabel.Text  = "00:00:00";

            }

        }

 

        #endregion

    }

}

 

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Posted by 사용자 icodebroker

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