summaryrefslogtreecommitdiffstats
path: root/win/C#/frmPreview.cs
blob: 08b25e3a8a44a6239e5a4cd61df04b2bfaf5a655 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
using System;
using System.Windows.Forms;
using System.Threading;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.IO;
using Handbrake.EncodeQueue;
using Handbrake.Functions;
using QTOControlLib;
using QTOLibrary;

namespace Handbrake
{
    public partial class frmPreview : Form
    {

        QueryGenerator hb_common_func = new QueryGenerator();
        EncodeAndQueueHandler process = new EncodeAndQueueHandler();
        private delegate void UpdateUIHandler();
        String currently_playing = "";
        readonly frmMain mainWindow;
        private Thread player;
        private Boolean noQT;

        public frmPreview(frmMain mw)
        {
            try
            {
                InitializeComponent();
            }
            catch (Exception)
            {
                noQT = true;
            }
            this.mainWindow = mw;
            cb_preview.SelectedIndex = 0;
            cb_duration.SelectedIndex = 1;

            cb_preview.Items.Clear();
            for (int i = 1; i <= Properties.Settings.Default.previewScanCount; i++)
                cb_preview.Items.Add(i.ToString());
            cb_preview.SelectedIndex = 0;
        }

        #region Encode Sample
        private void btn_playVLC_Click(object sender, EventArgs e)
        {
            lbl_status.Visible = true;
            try
            {
                if (!noQT)
                    QTControl.URL = "";

                if (File.Exists(currently_playing))
                    File.Delete(currently_playing);
            }
            catch (Exception)
            {
                MessageBox.Show(this, "Unable to delete previous preview file. You may need to restart the application.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

            btn_playQT.Enabled = false;
            btn_playVLC.Enabled = false;
            lbl_status.Text = "Encoding Sample for (VLC) ...";
            int duration;
            int.TryParse(cb_duration.Text, out duration);
            String query = hb_common_func.GenerateCLIQuery(mainWindow, duration, cb_preview.Text);
            ThreadPool.QueueUserWorkItem(procMonitor, query);
        }
        private void btn_playQT_Click(object sender, EventArgs e)
        {
            if (noQT)
            {
                MessageBox.Show(this, "It would appear QuickTime 7 is not installed or not accessible. Please (re)install QuickTime.", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            if (mainWindow.text_destination.Text.Contains(".mkv"))
            {
                MessageBox.Show(this,
                                "The QuickTime Control does not support MKV files, It is recommended you use VLC option instead.",
                                "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
            else
            {
                lbl_status.Visible = true;
                try
                {
                    QTControl.URL = "";
                    if (File.Exists(currently_playing))
                        File.Delete(currently_playing);
                }
                catch (Exception)
                {
                    MessageBox.Show(this, "Unable to delete previous preview file. You may need to restart the application.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }

                btn_playQT.Enabled = false;
                btn_playVLC.Enabled = false;
                lbl_status.Text = "Encoding Sample for (QT) ...";
                int duration;
                int.TryParse(cb_duration.Text, out duration);
                String query = hb_common_func.GenerateCLIQuery(mainWindow, duration, cb_preview.Text);

                ThreadPool.QueueUserWorkItem(procMonitor, query);
            }
        }
        private void procMonitor(object state)
        {
            // Make sure we are not already encoding and if we are then display an error.
            if (process.hbProcess != null)
                MessageBox.Show(this, "Handbrake is already encoding a video!", "Status", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            else
            {
                process.RunCli((string)state);
                if (process.hbProcess != null)
                {
                    process.hbProcess.WaitForExit();
                    process.hbProcess = null;
                }
                encodeCompleted();
            }
        }
        private void encodeCompleted()
        {
            try
            {
                if (InvokeRequired)
                {
                    BeginInvoke(new UpdateUIHandler(encodeCompleted));
                    return;
                }
                if (!noQT)
                    btn_playQT.Enabled = true;
                btn_playVLC.Enabled = true;

                // Decide which player to use.
                String playerSelection = lbl_status.Text.Contains("QT") ? "QT" : "VLC";

                lbl_status.Text = "Loading Clip ...";

                // Get the sample filename
                if (mainWindow.text_destination.Text != "")
                    currently_playing = mainWindow.text_destination.Text.Replace(".mp4", "_sample.mp4").Replace(".m4v", "_sample.m4v").Replace(".mkv", "_sample.mkv"); ;

                // Play back in QT or VLC
                if (playerSelection == "QT")
                    play();
                else
                    playVLC();

                lbl_status.Text = "";
            }
            catch (Exception exc)
            {
                MessageBox.Show(this, "frmPreview.cs encodeCompleted " + exc, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        #endregion

        #region Playback

        /// <summary>
        /// Play the video back in the QuickTime control
        /// </summary>
        private void play()
        {
            player = new Thread(OpenMovie) { IsBackground = true };
            player.Start();
            lbl_status.Visible = false;
        }

        /// <summary>
        /// Play the video back in an external VLC player
        /// </summary>
        private void playVLC()
        {
            // Launch VLC and play video.
            if (currently_playing != "")
            {
                if (File.Exists(currently_playing))
                {
                    // Attempt to find VLC if it doesn't exist in the default set location.
                    if (!File.Exists(Properties.Settings.Default.VLC_Path))
                    {
                        if (File.Exists("C:\\Program Files (x86)\\VideoLAN\\VLC\\vlc.exe"))
                        {
                            Properties.Settings.Default.VLC_Path = "C:\\Program Files (x86)\\VideoLAN\\VLC\\vlc.exe";
                            Properties.Settings.Default.Save(); // Save this new path if it does
                        }
                        else
                        {
                            MessageBox.Show(this,
                                            "Unable to detect VLC Player. \nPlease make sure VLC is installed and the directory specified in HandBrake's options is correct. (See: \"Tools Menu > Options > Picture Tab\") ",
                                            "VLC", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                        }
                    }

                    if (File.Exists(Properties.Settings.Default.VLC_Path))
                    {
                        String args = "\"" + currently_playing + "\"";
                        ProcessStartInfo vlc = new ProcessStartInfo(Properties.Settings.Default.VLC_Path, args);
                        Process.Start(vlc);
                        lbl_status.Text = "VLC will now launch.";
                    }
                    
                }
                else
                    MessageBox.Show(this, "Unable to find the preview file. Either the file was deleted or the encode failed. Check the activity log for details.", "VLC", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
            lbl_status.Visible = false;
        }

        /// <summary>
        /// QT control - Open the file
        /// </summary>
        [STAThread]
        private void OpenMovie()
        {
            try
            {
                if (InvokeRequired)
                {
                    BeginInvoke(new UpdateUIHandler(OpenMovie));
                    return;
                }
                QTControl.URL = currently_playing;
                QTControl.SetSizing(QTSizingModeEnum.qtControlFitsMovie, true);
                QTControl.URL = currently_playing;
                QTControl.Show();

                this.ClientSize = QTControl.Size;
                this.Height += 25;
            }
            catch (COMException ex)
            {
                QTUtils qtu = new QTUtils();
                MessageBox.Show(this, "Unable to open movie:\n\nError Code: " + ex.ErrorCode.ToString("X") + "\nQT Error code : " + qtu.QTErrorFromErrorCode(ex.ErrorCode), "QT", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, "Unable to open movie:\n\n" + ex, "QT", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }
        #endregion
    }
}