first commit

2026-02-09 20:10:14 +08:00
commit 47a5cff08b
2638 changed files with 322636 additions and 0 deletions
--- a/Assets/AVProVideo/Runtime/Scripts/Internal/Utils/Subtitles.cs
+++ b/Assets/AVProVideo/Runtime/Scripts/Internal/Utils/Subtitles.cs
@@ -0,0 +1,144 @@
+using UnityEngine;
+using System.Collections.Generic;
+
+//-----------------------------------------------------------------------------
+// Copyright 2015-2021 RenderHeads Ltd.  All rights reserved.
+//-----------------------------------------------------------------------------
+
+namespace RenderHeads.Media.AVProVideo
+{
+	public class Subtitle
+	{
+		public int index;
+		// Rich string can contain <font color=""> <u> etc
+		public string text;
+		public double timeStart, timeEnd;
+
+		public bool IsBefore(double time)
+		{
+			return (time > timeStart && time > timeEnd);
+		}
+
+		public bool IsTime(double time)
+		{
+			return (time >= timeStart && time < timeEnd);
+		}
+	}
+
+    public class SubtitlePlayer
+    {
+        // min time, max time
+        // set time
+        // event for change(subs added, subs removed)
+        // list of subs on
+    }
+
+    public class SubtitleUtils
+    {
+		/// <summary>
+		/// Parse time in format: 00:00:48,924 and convert to seconds
+		/// </summary>
+		private static double ParseTimeToSeconds(string text)
+		{
+			double result = 0.0;
+
+			string[] digits = text.Split(new char[] { ':', ',' });
+
+			if (digits.Length == 4)
+			{
+				int hours = int.Parse(digits[0]);
+				int minutes = int.Parse(digits[1]);
+				int seconds = int.Parse(digits[2]);
+				int milliseconds = int.Parse(digits[3]);
+
+				result = (milliseconds / 1000.0) + (seconds + (minutes + (hours * 60)) * 60);
+			}
+
+			return result;
+		}
+
+		/// <summary>
+		/// Parse subtitles in the SRT format and convert to a list of ordered Subtitle objects
+		/// </summary>
+		public static List<Subtitle> ParseSubtitlesSRT(string data)
+		{
+			List<Subtitle> result = null;
+
+			if (!string.IsNullOrEmpty(data))
+			{
+				data = data.Trim();
+				var rx = new System.Text.RegularExpressions.Regex("\n\r|\r\n|\n|\r");
+				string[] lines = rx.Split(data);
+
+				if (lines.Length >= 3)
+				{
+					result = new List<Subtitle>(256);
+
+					int count = 0;
+					int index = 0;
+					Subtitle subtitle = null;
+					for (int i = 0; i < lines.Length; i++)
+					{
+						if (index == 0)
+						{
+							subtitle = new Subtitle();
+							subtitle.index = count;// int.Parse(lines[i]);
+						}
+						else if (index == 1)
+						{
+							string[] times = lines[i].Split(new string[] { " --> " }, System.StringSplitOptions.RemoveEmptyEntries);
+							if (times.Length == 2)
+							{
+								subtitle.timeStart = ParseTimeToSeconds(times[0]);
+								subtitle.timeEnd = ParseTimeToSeconds(times[1]);
+							}
+							else
+							{
+								throw new System.FormatException("SRT format doesn't appear to be valid");
+							}
+						}
+						else
+						{
+							if (!string.IsNullOrEmpty(lines[i]))
+							{
+								if (index == 2)
+								{
+									subtitle.text = lines[i];
+								}
+								else
+								{
+									subtitle.text += "\n" + lines[i];
+								}
+							}
+						}
+
+						if (string.IsNullOrEmpty(lines[i]) && index > 1)
+						{
+							result.Add(subtitle);
+							index = 0;
+							count++;
+							subtitle = null;
+						}
+						else
+						{
+							index++;
+						}
+					}
+
+					// Handle the last one
+					if (subtitle != null)
+					{
+						result.Add(subtitle);
+						subtitle = null;
+					}
+				}
+				else
+				{
+					Debug.LogWarning("[AVProVideo] SRT format doesn't appear to be valid");
+				}
+			}
+
+			return result;
+		}
+	}
+}