sky/video_decode_plugin
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feat:增加初始帧率、缓冲区大小、帧超时时间

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This commit is contained in:
liyi 2025-05-06 14:01:03 +08:00
parent 5ea20835ec
commit ca95779043
1 changed files with 4 additions and 4 deletions
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8
android/src/main/kotlin/top/skychip/video_decode_plugin/VideoDecoder.kt
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@ -64,7 +64,7 @@ class VideoDecoder(
private val frameSeqSet = Collections.newSetFromMap(ConcurrentHashMap<Int, Boolean>()) // 防止重复帧入队 private val frameSeqSet = Collections.newSetFromMap(ConcurrentHashMap<Int, Boolean>()) // 防止重复帧入队
// 解码输出缓冲区，容量为100帧 // 解码输出缓冲区，容量为100帧
private val outputFrameQueue = LinkedBlockingQueue<DecodedFrame>(30) private val outputFrameQueue = LinkedBlockingQueue<DecodedFrame>(17)
// 渲染线程控制 // 渲染线程控制
@Volatile private var renderThreadRunning = true @Volatile private var renderThreadRunning = true
@ -74,7 +74,7 @@ class VideoDecoder(
private val mainHandler = Handler(Looper.getMainLooper()) private val mainHandler = Handler(Looper.getMainLooper())
// 渲染帧率（fps），可由外部控制，默认18 // 渲染帧率（fps），可由外部控制，默认18
@Volatile var renderFps: Int = 18 @Volatile var renderFps: Int = 15
// 兜底：记录最近一次I帧的frameSeq，P/B帧依赖校验 // 兜底：记录最近一次I帧的frameSeq，P/B帧依赖校验
@Volatile private var lastIFrameSeq: Int? = null @Volatile private var lastIFrameSeq: Int? = null
@ -84,7 +84,7 @@ class VideoDecoder(
private val decodeTimestampLock = ReentrantLock() // 线程安全保护 private val decodeTimestampLock = ReentrantLock() // 线程安全保护
// EMA平滑参数 // EMA平滑参数
@Volatile private var smoothedFps: Double = 18.0 // 平滑后的渲染帧率 @Volatile private var smoothedFps: Double = 15.0 // 平滑后的渲染帧率
private val alpha = 0.2 // EMA平滑系数，越大响应越快 private val alpha = 0.2 // EMA平滑系数，越大响应越快
private val minFps = 8 // 渲染帧率下限，防止过低 private val minFps = 8 // 渲染帧率下限，防止过低
private val maxFps = 30 // 渲染帧率上限，防止过高 private val maxFps = 30 // 渲染帧率上限，防止过高
@ -92,7 +92,7 @@ class VideoDecoder(
// 1. 新增成员变量 // 1. 新增成员变量
@Volatile private var latestRenderedTimestampMs: Long? = null @Volatile private var latestRenderedTimestampMs: Long? = null
private val MAX_ALLOWED_DELAY_MS = 60 // 最大允许延迟，单位毫秒 private val MAX_ALLOWED_DELAY_MS = 350 // 最大允许延迟，单位毫秒
@Volatile private var timestampBaseMs: Long? = null @Volatile private var timestampBaseMs: Long? = null
@Volatile private var firstFrameRelativeTimestamp: Long? = null @Volatile private var firstFrameRelativeTimestamp: Long? = null