feat: add sync supported text renderer (#18)

anilbeesetti · Sep 3, 2023 · f24d77e · f24d77e
1 parent 0ba5aa6
commit f24d77e
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diff --git a/ffcodecs/src/main/java/io/github/anilbeesetti/nextlib/ffcodecs/NextRenderersFactory.kt b/ffcodecs/src/main/java/io/github/anilbeesetti/nextlib/ffcodecs/NextRenderersFactory.kt
@@ -2,15 +2,26 @@ package io.github.anilbeesetti.nextlib.ffcodecs
 
 import android.content.Context
 import android.os.Handler
+import android.os.Looper
 import androidx.media3.common.util.Log
 import androidx.media3.exoplayer.DefaultRenderersFactory
 import androidx.media3.exoplayer.Renderer
 import androidx.media3.exoplayer.audio.AudioRendererEventListener
 import androidx.media3.exoplayer.audio.AudioSink
 import androidx.media3.exoplayer.mediacodec.MediaCodecSelector
+import androidx.media3.exoplayer.text.TextOutput
 import androidx.media3.exoplayer.video.VideoRendererEventListener
+import io.github.anilbeesetti.nextlib.text.NextTextRenderer
 
 class NextRenderersFactory(context: Context) : DefaultRenderersFactory(context) {
+
+    private var subtitleSyncOffsetUs = 0L
+
+    fun setSubtitleSyncOffsetUs(offsetUs: Long): NextRenderersFactory {
+        subtitleSyncOffsetUs = offsetUs
+        return this
+    }
+
     override fun buildAudioRenderers(
         context: Context,
         extensionRendererMode: Int,
@@ -87,6 +98,17 @@ class NextRenderersFactory(context: Context) : DefaultRenderersFactory(context)
         }
     }
 
+    override fun buildTextRenderers(
+        context: Context,
+        output: TextOutput,
+        outputLooper: Looper,
+        extensionRendererMode: Int,
+        out: java.util.ArrayList<Renderer>
+    ) {
+        val renderer = NextTextRenderer(subtitleSyncOffsetUs, output, outputLooper)
+        out.add(renderer)
+    }
+
     companion object {
         const val TAG = "NextRenderersFactory"
     }