Big update

src/transcript_browser/read_srt.cpp

@@ -0,0 +1,63 @@
+struct TimeString {
+    uint16_t hour;
+    uint16_t minute;
+    uint16_t second;
+    String   string;
+};
+
+Array<TimeString> ParseSrtFile(Arena *arena, String filename) {
+    String        content = ReadFile(*arena, filename);
+    Array<String> lines   = Split(*arena, content, "\n");
+
+    IterRemove(lines) {
+        IterRemovePrepare(lines);
+        it = Trim(it);
+        if (it.len == 0) remove_item = true;
+    }
+
+    long              section_number = 1;
+    Array<TimeString> time_strings   = {*arena};
+    for (int i = 0; i < lines.len;) {
+        String it0 = lines[i++];
+        long   num = strtol(it0.data, NULL, 10);
+        Assert(section_number == num);
+        section_number += 1;
+
+        TimeString item = {};
+        String     it1  = lines[i++];
+        item.hour       = (uint16_t)strtol(it1.data, NULL, 10);
+        item.minute     = (uint16_t)strtol(it1.data + 3, NULL, 10);
+        item.second     = (uint16_t)strtol(it1.data + 6, NULL, 10);
+
+        String next_section_number = Format(*arena, "%d", section_number);
+        while (i < lines.len && lines[i] != next_section_number) {
+            String it   = lines[i];
+            item.string = lines[i];
+            time_strings.add(item);
+            i += 1;
+        }
+    }
+
+    IterRemove(time_strings) {
+        IterRemovePrepare(time_strings);
+        if (i > 0 && AreEqual(time_strings[i - 1].string, time_strings[i].string, true)) {
+            remove_item = true;
+        }
+    }
+
+    return time_strings;
+}
+
+String FindVideoForSRT(Array<String> &filenames, String srt_path) {
+    String base = ChopLastPeriod(srt_path); // .srt
+    base        = ChopLastPeriod(base);     // .en
+
+    For(filenames) {
+        if (StartsWith(it, base)) {
+            if (EndsWith(it, ".mkv") || EndsWith(it, ".webm") || EndsWith(it, ".mp4")) {
+                return it;
+            }
+        }
+    }
+    return {};
+}