[feat&optimize] Video grouping recording, large-scale reconstruction

2025-09-26 12:48:34 +08:00
parent e38d77b2f6
commit a89f892306
14 changed files with 1633 additions and 1431 deletions
--- a/app/src/main/java/com/acitelight/aether/view/SubtitleOverlay.kt
+++ b/app/src/main/java/com/acitelight/aether/view/SubtitleOverlay.kt
@@ -0,0 +1,83 @@
+package com.acitelight.aether.view
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.wrapContentWidth
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.Shadow
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.TextUnit
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.media3.common.text.Cue
+
+@Composable
+fun SubtitleOverlay(
+    cues: List<Cue>,
+    modifier: Modifier = Modifier,
+    maxLines: Int = 2,
+    textSize: TextUnit = 14.sp,
+    backgroundAlpha: Float = 0.6f,
+    horizontalMargin: Dp = 16.dp,
+    bottomMargin: Dp = 14.dp,
+    contentPadding: Dp = 6.dp,
+    cornerRadius: Dp = 6.dp,
+    textColor: Color = Color.White
+) {
+    val raw = if (cues.isEmpty()) "" else cues.joinToString(separator = "\n") {
+        it.text?.toString() ?: ""
+    }.trim()
+    if (raw.isEmpty()) return
+
+    val textAlign = when (cues.firstOrNull()?.textAlignment) {
+        android.text.Layout.Alignment.ALIGN_CENTER -> TextAlign.Center
+        android.text.Layout.Alignment.ALIGN_OPPOSITE -> TextAlign.End
+        android.text.Layout.Alignment.ALIGN_NORMAL -> TextAlign.Start
+        else -> TextAlign.Center
+    }
+
+    val blurPx = with(LocalDensity.current) { (2.dp).toPx() }
+
+    Box(
+        modifier = modifier,
+        contentAlignment = Alignment.BottomCenter
+    ) {
+        Box(
+            modifier = Modifier
+                .padding(start = horizontalMargin, end = horizontalMargin, bottom = bottomMargin)
+                .wrapContentWidth(Alignment.CenterHorizontally)
+                .clip(RoundedCornerShape(cornerRadius))
+                .background(Color.Black.copy(alpha = backgroundAlpha))
+                .padding(horizontal = 12.dp, vertical = contentPadding)
+        ) {
+            Text(
+                text = raw,
+                maxLines = maxLines,
+                overflow = TextOverflow.Ellipsis,
+                style = TextStyle(
+                    color = textColor,
+                    fontSize = textSize,
+                    shadow = Shadow(
+                        color = Color.Black.copy(alpha = 0.85f),
+                        offset = Offset(0f, 0f),
+                        blurRadius = blurPx
+                    )
+                ),
+                textAlign = textAlign,
+                modifier = Modifier
+            )
+        }
+    }
+}