增加注释

kingslay · Dec 28, 2023 · 433ff6c · 433ff6c
1 parent 4e19ed5
commit 433ff6c
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Showing 3 changed files with 9 additions and 7 deletions.
diff --git a/Sources/KSPlayer/AVPlayer/KSOptions.swift b/Sources/KSPlayer/AVPlayer/KSOptions.swift
@@ -113,16 +113,18 @@ open class KSOptions {
         // 参数的配置可以参考protocols.texi 和 http.c
         // 这个一定要，不然有的流就会判断不准FieldOrder
         formatContextOptions["scan_all_pmts"] = 1
-        // 下面是用来处理秒开的参数，有需要的自己打开
+        // ts直播流需要加这个才能一直直播下去，不然播放一小段就会结束了。
+        formatContextOptions["reconnect"] = 1
+        formatContextOptions["reconnect_streamed"] = 1
+        // 这个是用来开启http的链接复用（keep-alive）。vlc默认是打开的，所以这边也默认打开。
+        formatContextOptions["multiple_requests"] = 1
+        // 下面是用来处理秒开的参数，有需要的自己打开。默认不开，不然在播放某些特殊的ts直播流会频繁卡顿。
 //        formatContextOptions["auto_convert"] = 0
 //        formatContextOptions["fps_probe_size"] = 3
 //        formatContextOptions["rw_timeout"] = 10_000_000
 //        formatContextOptions["max_analyze_duration"] = 300 * 1000
         // 默认情况下允许所有协议，只有嵌套协议才需要指定这个协议子集，例如m3u8里面有http。
 //        formatContextOptions["protocol_whitelist"] = "file,http,https,tcp,tls,crypto,async,cache,data,httpproxy"
-        formatContextOptions["reconnect"] = 1
-        formatContextOptions["reconnect_streamed"] = 1
-        formatContextOptions["multiple_requests"] = 1
         // 开启这个，纯ipv6地址会无法播放。并且有些视频结束了，但还会一直尝试重连。所以这个值默认不设置
 //        formatContextOptions["reconnect_at_eof"] = 1
         // 开启这个，会导致tcp Failed to resolve hostname 还会一直重试

diff --git a/Sources/KSPlayer/MEPlayer/Resample.swift b/Sources/KSPlayer/MEPlayer/Resample.swift
@@ -131,6 +131,7 @@ class VideoSwresample: FrameChange {
             let dstFormat = dstFormat ?? format.bestPixelFormat
             pixelFormatType = dstFormat.osType()!
 //            imgConvertCtx = sws_getContext(width, height, self.format, width, height, dstFormat, SWS_FAST_BILINEAR, nil, nil, nil)
+            // AV_PIX_FMT_VIDEOTOOLBOX格式是无法进行swscale的
             imgConvertCtx = sws_getCachedContext(imgConvertCtx, width, height, self.format, dstWidth, dstHeight, dstFormat, SWS_FAST_BILINEAR, nil, nil, nil)
         }
         pool = CVPixelBufferPool.ceate(width: dstWidth, height: dstHeight, bytesPerRowAlignment: linesize, pixelFormatType: pixelFormatType)

diff --git a/Sources/KSPlayer/MEPlayer/ThumbnailController.swift b/Sources/KSPlayer/MEPlayer/ThumbnailController.swift
@@ -29,10 +29,9 @@ public class ThumbnailController {
     }
 
     public func generateThumbnail(for url: URL, thumbWidth: Int32 = 240) async throws -> [FFThumbnail] {
-        let task = Task {
+        try await Task {
             try getPeeks(for: url, thumbWidth: thumbWidth)
-        }
-        return try await task.value
+        }.value
     }
 
     private func getPeeks(for url: URL, thumbWidth: Int32 = 240) throws -> [FFThumbnail] {