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Make libass glyph and cache sizes configurable #61

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Merged
peerless2012 merged 2 commits into from
Jan 12, 2026
Merged

Make libass glyph and cache sizes configurable #61

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5491fd2
Initial test on changing cache values.
j3553a Jan 9, 2026
f3ec0f9
Make glyph and cache sizes configurable.
j3553a Jan 10, 2026
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13 changes: 7 additions & 6 deletions lib_ass_media/src/main/java/io/github/peerless2012/ass/media/AssHandler.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,10 @@ import io.github.peerless2012.ass.media.type.AssRenderType
* @param renderType The subtitle render type.
*/
@OptIn(UnstableApi::class)
class AssHandler(val renderType: AssRenderType) : Listener {
class AssHandler(
val renderType: AssRenderType,
val config: AssHandlerConfig = AssHandlerConfig()
) : Listener {

/** The ASS instance used for creating tracks and renderers. This is lazy to avoid loading
* libass if the played media does not have ASS tracks. */
Expand Down Expand Up @@ -259,11 +262,9 @@ class AssHandler(val renderType: AssRenderType) : Listener {
render.setFrameSize(videoSize.width, videoSize.height)
}
}
val totalMemoryBytes = Runtime.getRuntime().maxMemory()
val cacheSize = ((totalMemoryBytes / (1024 * 1024)) / 4).toInt()
Log.i("AssHandler", "Ass cacheSize: ${cacheSize}MB")
// https://github.com/peerless2012/libass-android/issues/48#issuecomment-3086561167
render.setCacheLimit(1024, cacheSize)
Log.i("AssHandler", "Ass cacheSize: ${config.cacheSize}MB")
Log.i("AssHandler", "Ass glyphSize: ${config.glyphSize}")
render.setCacheLimit(config.glyphSize, config.cacheSize)
}
renderCallback?.invoke(render)
}
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6 changes: 6 additions & 0 deletions lib_ass_media/src/main/java/io/github/peerless2012/ass/media/AssHandlerConfig.kt
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@@ -0,0 +1,6 @@
package io.github.peerless2012.ass.media

data class AssHandlerConfig(
val glyphSize: Int = 1024,
val cacheSize: Int = 128){
}