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https://github.com/truewhile/MeBox.git
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Compare commits
2 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| b50cb7c31e | |||
| 5f4b613bde |
@@ -0,0 +1,58 @@
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package handler
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import (
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"context"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"github.com/gin-gonic/gin"
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"go.uber.org/zap"
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"github.com/truewhile/MeBox/internal/config"
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"github.com/truewhile/MeBox/internal/service"
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)
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// 云 HLS 分片代理的错误映射:
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// - 会话不存在/过期要给前端可判断的 code,前端据此重拉 master.m3u8 建会话续播,
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// 而不是当成播放失败直接退回本地转码;
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// - 客户端主动断开(seek、切清晰度、关页面取消在途请求)不是网关故障,记 499,
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// 与 nginx 的口径一致。以前统一记 502,既污染监控又会让前端拿到误导性错误。
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func newCloud115HLSSessionTestRouter() *gin.Engine {
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gin.SetMode(gin.TestMode)
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svc := &service.Container{
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Cloud115: service.NewCloud115PlaybackService(&config.Config{}, zap.NewNop(), nil, nil),
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}
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router := gin.New()
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router.GET("/api/cloud115/hls/:session/:key", cloud115HLSSessionHandler(svc))
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return router
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}
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func TestCloud115HLSSessionUnknownSessionReturnsCodedNotFound(t *testing.T) {
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router := newCloud115HLSSessionTestRouter()
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req := httptest.NewRequest(http.MethodGet, "/api/cloud115/hls/unknown-session/abc?media_id=media-1", nil)
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rec := httptest.NewRecorder()
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router.ServeHTTP(rec, req)
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if rec.Code != http.StatusNotFound {
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t.Fatalf("status = %d, want 404; body=%s", rec.Code, rec.Body.String())
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}
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if !strings.Contains(rec.Body.String(), "hls_session_not_found") {
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t.Fatalf("expected machine-readable code in body, got %s", rec.Body.String())
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}
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}
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func TestCloud115HLSSessionClientAbortReturns499(t *testing.T) {
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router := newCloud115HLSSessionTestRouter()
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ctx, cancel := context.WithCancel(context.Background())
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cancel()
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req := httptest.NewRequest(http.MethodGet, "/api/cloud115/hls/unknown-session/abc?media_id=media-1", nil).
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WithContext(ctx)
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rec := httptest.NewRecorder()
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router.ServeHTTP(rec, req)
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if rec.Code != 499 {
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t.Fatalf("status = %d, want 499 (client closed request); body=%s", rec.Code, rec.Body.String())
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}
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}
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@@ -1,6 +1,7 @@
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package handler
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import (
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"context"
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"errors"
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"net/http"
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"strconv"
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@@ -136,11 +137,21 @@ func cloud115HLSSessionHandler(svc *service.Container) gin.HandlerFunc {
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if err == nil || c.Writer.Written() {
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return
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}
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// 客户端主动断开(播放器 seek、切切清晰度、关页面时取消在途请求)会让
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// 上游请求以 context.Canceled 结束。这是正常现象,不是网关故障;以前
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// 统一记成 502,既污染监控又和 nginx 的 499 对不上,这里按 499 记。
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if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) ||
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c.Request.Context().Err() != nil {
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c.AbortWithStatus(499)
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return
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}
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switch {
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case errors.Is(err, service.ErrCloud115HLSSessionNotFound):
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c.JSON(http.StatusNotFound, gin.H{"error": "hls session not found"})
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// code 供前端判断「会话没了,需要重新拉一次 master.m3u8 建会话」,
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// 而不是直接放弃云端播放退回本地转码。
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c.JSON(http.StatusNotFound, gin.H{"code": "hls_session_not_found", "error": "hls session not found"})
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case errors.Is(err, service.ErrCloud115HLSUpstreamExpired):
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c.JSON(http.StatusGone, gin.H{"error": "hls upstream expired"})
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c.JSON(http.StatusGone, gin.H{"code": "hls_session_expired", "error": "hls upstream expired"})
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default:
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c.JSON(http.StatusBadGateway, gin.H{"error": err.Error()})
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}
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@@ -2,6 +2,8 @@ package service
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import (
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"context"
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"crypto/sha256"
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"encoding/hex"
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"errors"
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"fmt"
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"io"
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@@ -12,6 +14,8 @@ import (
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"sync"
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"time"
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"go.uber.org/zap"
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"github.com/truewhile/MeBox/internal/service/cloud115"
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)
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@@ -24,6 +28,10 @@ const (
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cloud115HLSSessionTTL = 30 * time.Minute
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cloud115HLSMaxSessions = 256
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cloud115HLSMaxManifest = 8 << 20
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// cloud115HLSMaxEntries 单个会话最多记住多少个上游地址。key 由上游地址
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// 派生(见 cloud115HLSKeyForURL),所以条目数只随「实际出现过的地址」增长,
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// 正常一部片子就是几千条;这个上限只是防御异常/恶意播放列表的兜底。
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cloud115HLSMaxEntries = 20000
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)
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type cloud115HLSSession struct {
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@@ -35,7 +43,17 @@ type cloud115HLSSession struct {
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mu sync.Mutex
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entries map[string]string
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next int
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}
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// cloud115HLSKeyForURL 由上游地址派生稳定的分片 key。
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//
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// 早期实现用自增序号(e1、e2…)在每次重写播放列表时重新编号:同一分片每次
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// 重写都会拿到新 key,entries 随重写次数线性膨胀(实测一个 762 段的列表反复
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// 重写后 key 已经涨到 e2288…e3049),客户端拿到的分片编号也会无谓漂移。
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// 改成地址哈希后,同一分片在任何一次重写里都是同一个 key。
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func cloud115HLSKeyForURL(upstream string) string {
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sum := sha256.Sum256([]byte(upstream))
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return hex.EncodeToString(sum[:12])
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}
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// Cloud115HLSProxy 把 115 云端 HLS 转成 MeBox 同源 HLS。
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@@ -302,12 +320,19 @@ func (p *Cloud115HLSProxy) rewriteManifest(session *cloud115HLSSession, text, ba
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}
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func (p *Cloud115HLSProxy) proxyURL(session *cloud115HLSSession, upstream, rawQuery string) string {
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key := cloud115HLSKeyForURL(upstream)
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session.mu.Lock()
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session.next++
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key := "e" + strconv.Itoa(session.next)
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session.entries[key] = upstream
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_, known := session.entries[key]
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if !known && len(session.entries) < cloud115HLSMaxEntries {
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session.entries[key] = upstream
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known = true
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}
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mediaID := session.MediaID
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session.mu.Unlock()
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if !known && p != nil && p.service != nil && p.service.log != nil {
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p.service.log.Warn("cloud115 hls: session entry cap reached, segment will not resolve",
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zap.String("session", session.ID), zap.Int("cap", cloud115HLSMaxEntries))
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}
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query := childProxyQuery(rawQuery, mediaID)
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return "/api/cloud115/hls/" + url.PathEscape(session.ID) + "/" + url.PathEscape(key) + "?" + query
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@@ -25,7 +25,8 @@ func TestCloud115HLSProxyRewriteManifest(t *testing.T) {
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if strings.Contains(rewritten, "cpats01.115.com") {
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t.Fatalf("upstream URL leaked into rewritten manifest: %s", rewritten)
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}
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if !strings.Contains(rewritten, "/api/cloud115/hls/sess/e1?") {
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wantKey := cloud115HLSKeyForURL("https://cpats01.115.com/a.m3u8?u=1&se=2")
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if !strings.Contains(rewritten, "/api/cloud115/hls/sess/"+wantKey+"?") {
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t.Fatalf("proxy URL missing: %s", rewritten)
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}
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if !strings.Contains(rewritten, "media_id=media-1") || !strings.Contains(rewritten, "token=t") {
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@@ -36,6 +37,32 @@ func TestCloud115HLSProxyRewriteManifest(t *testing.T) {
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}
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}
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func TestCloud115HLSProxyRewriteIsStableAcrossRewrites(t *testing.T) {
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proxy := &Cloud115HLSProxy{sessions: map[string]*cloud115HLSSession{}}
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session := &cloud115HLSSession{
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ID: "sess",
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MediaID: "media-1",
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entries: map[string]string{},
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}
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manifest := "#EXTM3U\n#EXT-X-TARGETDURATION:10\n" +
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"https://cpats01.115.com/seg0.ts?x=0\nhttps://cpats01.115.com/seg1.ts?x=1\n"
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first := proxy.rewriteManifest(session, manifest, "https://cpats01.115.com/v.m3u8", "media_id=media-1")
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entriesAfterFirst := len(session.entries)
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second := proxy.rewriteManifest(session, manifest, "https://cpats01.115.com/v.m3u8", "media_id=media-1")
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// 同一分片在每次重写里都必须是同一个 key,客户端拿到的地址才不会无谓漂移。
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if first != second {
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t.Fatalf("rewrite is not stable:\nfirst = %s\nsecond = %s", first, second)
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}
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if len(session.entries) != entriesAfterFirst {
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t.Fatalf("entries grew on rewrite: %d -> %d", entriesAfterFirst, len(session.entries))
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}
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if entriesAfterFirst != 2 {
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t.Fatalf("session entries = %d, want 2", entriesAfterFirst)
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}
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}
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func TestCloud115HLSProxyRewriteKeyURI(t *testing.T) {
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proxy := &Cloud115HLSProxy{sessions: map[string]*cloud115HLSSession{}}
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session := &cloud115HLSSession{
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@@ -151,7 +178,6 @@ func TestCloud115HLSProxyServeChildRewritesVariant(t *testing.T) {
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MediaID: "media-1",
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ExpiresAt: time.Now().Add(time.Hour),
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entries: map[string]string{"e1": "https://cpats01.115.com/v.m3u8"},
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next: 1,
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}
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proxy.sessions[session.ID] = session
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req := httptest.NewRequest(http.MethodGet, "/api/cloud115/hls/sess/e1?media_id=media-1&token=t", nil)
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@@ -162,7 +188,8 @@ func TestCloud115HLSProxyServeChildRewritesVariant(t *testing.T) {
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if rec.Code != http.StatusOK {
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t.Fatalf("status = %d, want 200", rec.Code)
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}
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if !strings.Contains(rec.Body.String(), "/api/cloud115/hls/sess/e2?") {
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wantKey := cloud115HLSKeyForURL("https://cpats01.115.com/seg.ts?x=1")
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if !strings.Contains(rec.Body.String(), "/api/cloud115/hls/sess/"+wantKey+"?") {
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t.Fatalf("rewritten variant missing proxy segment: %s", rec.Body.String())
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}
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if strings.Contains(rec.Body.String(), "cpats01.115.com") {
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@@ -192,7 +219,6 @@ func TestCloud115HLSProxyServeChildStreamsRange(t *testing.T) {
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MediaID: "media-1",
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ExpiresAt: time.Now().Add(time.Hour),
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entries: map[string]string{"e1": "https://cpats01.115.com/seg.ts?x=1"},
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next: 1,
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}
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proxy.sessions[session.ID] = session
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req := httptest.NewRequest(http.MethodGet, "/api/cloud115/hls/sess/e1?media_id=media-1&token=t", nil)
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@@ -33,6 +33,12 @@ interface HorizontalSwipeOptions {
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dominance?: number
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/** 手势超过这个时长不算滑动(毫秒)。只对非跟手的滑动判定生效。 */
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maxDuration?: number
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/**
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* 跟手拖拽开始(方向判定通过、第一次 onDrag 之前)调一次。
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* 宿主在这里记下跟手层当前的实际位移:上一次翻页的归位动画可能还没滑完,
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* 新手势要接着那点残余位移继续,否则中途接管会把残余一笔抹掉,画面跳一格。
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*/
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onDragStart?: () => void
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/** 跟手拖拽中的位移(px,向右为正)。传了才启用跟手。 */
|
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onDrag?: (dx: number) => void
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/** 跟手松手:宿主在这里回弹或翻页(随后浏览器补发的 click 会被吞掉)。 */
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@@ -54,6 +60,7 @@ export function useHorizontalSwipe({
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minDistance = 45,
|
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dominance = 1.2,
|
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maxDuration = 800,
|
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onDragStart,
|
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onDrag,
|
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onDragEnd,
|
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}: HorizontalSwipeOptions): HorizontalSwipeHandlers {
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@@ -88,11 +95,12 @@ export function useHorizontalSwipe({
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return
|
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}
|
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draggingRef.current = true
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onDragStart?.()
|
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}
|
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lastDxRef.current = dx
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onDrag?.(dx)
|
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},
|
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[onDrag, dominance],
|
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[onDragStart, onDrag, dominance],
|
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)
|
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|
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const onTouchEnd = useCallback(
|
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|
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+106
-11
@@ -81,6 +81,10 @@ type PlaybackProgressSession = {
|
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// 自动跳过片头后,「已跳过 · 撤销」提示停留的时长。
|
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const SKIP_NOTICE_MS = 6000
|
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|
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// 115 云 HLS 中途断流后,允许在窗口内重建几次会话再退回本地转码。
|
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const CLOUD_HLS_RELOAD_MAX = 3
|
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const CLOUD_HLS_RELOAD_WINDOW_MS = 10 * 60 * 1000
|
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|
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function normalizePlayerVolume(value: unknown): number {
|
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const parsed = Number(value)
|
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if (!Number.isFinite(parsed)) return 1
|
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@@ -185,6 +189,17 @@ export function PlayerPage() {
|
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const cloudPollTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
|
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const cloudRetryRef = useRef(5)
|
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const pendingSeekRef = useRef<number | null>(null)
|
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// 云 HLS 会话重建计数(时间戳)。115 云转码的会话只存在服务端内存里:服务
|
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// 重新部署、会话过期(30 分钟无活动)、上游地址失效都会让播放中途拿到
|
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// 404/410。这种情况下重新拉一次 master.m3u8 建个新会话即可续播,没必要直接
|
||||
// 掉到本地转码(这台机器本地转码只有 0.6x,等于播放报废)。窗口内限制次数,
|
||||
// 避免上游真的坏了时无限重连。
|
||||
const cloudReloadsRef = useRef<number[]>([])
|
||||
const [cloudReloadNonce, setCloudReloadNonce] = useState(0)
|
||||
// 切回直连/原画时把当前位置带过去:HLS 卸载会把 video.currentTime 归零,
|
||||
// 必须在切换前先记下来,等直连 loadedmetadata 后再跳。
|
||||
const pendingDirectStartRef = useRef(0)
|
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const hlsSourceRef = useRef<'cloud' | 'local'>('local')
|
||||
|
||||
// 弹幕控制:状态来自 /api/danmaku/config 初始值,用户在面板里实时调整。
|
||||
const [danmakuOpen, setDanmakuOpen] = useState(false)
|
||||
@@ -488,6 +503,8 @@ export function PlayerPage() {
|
||||
setCloudWaitMessage('')
|
||||
setCloudWaitStartedAt(0)
|
||||
pendingSeekRef.current = null
|
||||
cloudReloadsRef.current = []
|
||||
pendingDirectStartRef.current = 0
|
||||
if (cloudPollTimerRef.current) {
|
||||
clearTimeout(cloudPollTimerRef.current)
|
||||
cloudPollTimerRef.current = null
|
||||
@@ -953,6 +970,38 @@ export function PlayerPage() {
|
||||
[playbackInfo, setPlaybackMode],
|
||||
)
|
||||
|
||||
/**
|
||||
* 115 云 HLS 中途断流后重建会话。
|
||||
*
|
||||
* 115 的云端转码会话只存在服务端内存里:服务重新部署、会话到期(30 分钟无活动)、
|
||||
* 上游分片地址失效,都会让正在播放的客户端在后续分片上拿到 404/410。重新请求一次
|
||||
* master.m3u8 就会建出新会话,从当前位置继续播即可——比直接退回本地转码好得多
|
||||
* (低配宿主机本地转码往往追不上播放速度,等于不能看)。
|
||||
*
|
||||
* 窗口内超过次数上限返回 false,由调用方走本地转码兜底,避免上游真的坏了时无限重连。
|
||||
*/
|
||||
const reloadCloudHls = useCallback(
|
||||
(position: number): boolean => {
|
||||
const now = Date.now()
|
||||
const recent = cloudReloadsRef.current.filter((at) => now - at < CLOUD_HLS_RELOAD_WINDOW_MS)
|
||||
if (recent.length >= CLOUD_HLS_RELOAD_MAX) {
|
||||
cloudReloadsRef.current = recent
|
||||
return false
|
||||
}
|
||||
recent.push(now)
|
||||
cloudReloadsRef.current = recent
|
||||
// 云 HLS 是整条时间轴,起播后按绝对位置跳一下,别让用户回到片头。
|
||||
pendingSeekRef.current = position > 2 ? position : null
|
||||
setCloudWaiting(false)
|
||||
setCloudWaitMessage('')
|
||||
setHlsSource('cloud')
|
||||
setPlaybackMode('hls')
|
||||
setCloudReloadNonce((v) => v + 1)
|
||||
return true
|
||||
},
|
||||
[setPlaybackMode],
|
||||
)
|
||||
|
||||
const startCloudTranscode = useCallback(
|
||||
async (definition: number) => {
|
||||
if (!mediaId) return
|
||||
@@ -1126,7 +1175,10 @@ export function PlayerPage() {
|
||||
// hosts and remote STRM sources regularly need more than hls.js's
|
||||
// 10s default, which otherwise aborts a healthy transcode.
|
||||
manifestLoadingTimeOut: 60_000,
|
||||
manifestLoadingMaxRetry: 1,
|
||||
// 115 云 HLS 的 master.m3u8 每次都要现调 115 接口(实测 0.5–1.3s),
|
||||
// 还可能撞上 409「正在转码」。只重试 1 次的话,一次抖动就判死刑,
|
||||
// 直接掉到本地转码。
|
||||
manifestLoadingMaxRetry: 4,
|
||||
})
|
||||
try {
|
||||
video.currentTime = 0
|
||||
@@ -1160,6 +1212,11 @@ export function PlayerPage() {
|
||||
if (data.fatal) {
|
||||
if (hlsSource === 'cloud') {
|
||||
const position = ref.current?.currentTime || 0
|
||||
// 先尝试重建云会话续播;只有连着失败到上限才退回本地转码。
|
||||
if (reloadCloudHls(position)) {
|
||||
toast('115 云端播放中断,正在重新连接…', { duration: 2200 })
|
||||
return
|
||||
}
|
||||
setHlsUnavailable(false)
|
||||
switchToLocalHLS(position)
|
||||
toast.error('115 云端播放失败,切换本地转码')
|
||||
@@ -1211,12 +1268,24 @@ export function PlayerPage() {
|
||||
if (video.src !== absoluteURL) {
|
||||
directRetryRef.current = false
|
||||
clearFallbackTimer()
|
||||
// 进出 VR 会切换播放源地址,这里保住当前播放位置。
|
||||
const resumeAt = video.currentTime > 2 ? video.currentTime : 0
|
||||
// 保住当前位置。两个来源:显式切回直连/原画时提前记下的目标位置
|
||||
// (HLS 卸载会把 video.currentTime 归零,所以不能只读 video.currentTime),
|
||||
// 以及 VR 进出时切换播放源地址的情形。
|
||||
const resumeAt = Math.max(
|
||||
pendingDirectStartRef.current,
|
||||
video.currentTime > 2 ? video.currentTime : 0,
|
||||
)
|
||||
pendingDirectStartRef.current = 0
|
||||
if (resumeAt > 0) {
|
||||
video.addEventListener(
|
||||
'loadedmetadata',
|
||||
() => {
|
||||
// STRM/115 直链要等 seekable 覆盖目标位置再写 currentTime(否则会被
|
||||
// 钳回 0),并顺带打开误报宽限期,避免这次跳转被当成播放失败又弹回 HLS。
|
||||
if (isStrmMedia(currentMedia)) {
|
||||
seekStrmDirectTo(resumeAt)
|
||||
return
|
||||
}
|
||||
try {
|
||||
video.currentTime = resumeAt
|
||||
} catch {
|
||||
@@ -1243,6 +1312,7 @@ export function PlayerPage() {
|
||||
}, [
|
||||
activeBurnedSubtitleStream,
|
||||
clearFallbackTimer,
|
||||
cloudReloadNonce,
|
||||
cloudWaiting,
|
||||
hlsSource,
|
||||
hlsUnavailable,
|
||||
@@ -1250,6 +1320,8 @@ export function PlayerPage() {
|
||||
mediaId,
|
||||
mode,
|
||||
playbackProvider,
|
||||
reloadCloudHls,
|
||||
seekStrmDirectTo,
|
||||
selectedQuality,
|
||||
setPlaybackMode,
|
||||
switchToLocalHLS,
|
||||
@@ -1398,8 +1470,9 @@ export function PlayerPage() {
|
||||
const modeRef = useRef(mode)
|
||||
useEffect(() => {
|
||||
hlsStartSecRef.current = hlsStartSec
|
||||
hlsSourceRef.current = hlsSource
|
||||
modeRef.current = mode
|
||||
}, [hlsStartSec, mode])
|
||||
}, [hlsStartSec, hlsSource, mode])
|
||||
|
||||
// Persist resume position every 10 seconds while playing, and immediately upon
|
||||
// pause/page hide/unmount. Bind after mediaId is available because
|
||||
@@ -1412,16 +1485,21 @@ export function PlayerPage() {
|
||||
lastSentRef.current = 0
|
||||
}
|
||||
|
||||
// 本地 HLS 的播放列表 t=0 对应 hlsStartSec,云 HLS 的播放列表本身就是整条
|
||||
// 时间轴(起点恒为 0)。以前两种模式都叠加 hlsStartSec:只要本地转码残留过
|
||||
// 一个非 0 起点再切到云端,上报的进度和总时长就会被整体抬高(实测把 7624s
|
||||
// 的片子记成 8346s 并直接标成「已看完」)。
|
||||
const timelineOffsetSec = () =>
|
||||
modeRef.current === 'hls' && hlsSourceRef.current === 'local' ? hlsStartSecRef.current : 0
|
||||
|
||||
const absolutePositionMs = () => {
|
||||
const currentStartSec = modeRef.current === 'hls' ? hlsStartSecRef.current : 0
|
||||
const absolute = currentStartSec + (video.currentTime || 0)
|
||||
const absolute = timelineOffsetSec() + (video.currentTime || 0)
|
||||
return Number.isFinite(absolute) ? Math.max(0, Math.floor(absolute * 1000)) : 0
|
||||
}
|
||||
const absoluteDurationMs = () => {
|
||||
const currentStartSec = modeRef.current === 'hls' ? hlsStartSecRef.current : 0
|
||||
const mediaDur = mediaRef.current?.duration_sec || 0
|
||||
const streamDur = Number.isFinite(video.duration) ? video.duration : 0
|
||||
const totalSec = Math.max(mediaDur, currentStartSec + streamDur)
|
||||
const totalSec = Math.max(mediaDur, timelineOffsetSec() + streamDur)
|
||||
return Number.isFinite(totalSec) && totalSec > 0 ? Math.floor(totalSec * 1000) : 0
|
||||
}
|
||||
const send = (keepalive: boolean) => {
|
||||
@@ -1782,16 +1860,27 @@ export function PlayerPage() {
|
||||
toast('该媒体为直连播放,无需且不支持转码')
|
||||
return
|
||||
}
|
||||
const video = ref.current
|
||||
// HLS 卸载会把 video.currentTime 归零,所以先按当前模式换算成绝对秒数记下来。
|
||||
const position = video
|
||||
? mode === 'hls' && hlsSource === 'local'
|
||||
? hlsStartSec + video.currentTime
|
||||
: video.currentTime
|
||||
: 0
|
||||
const next = mode === 'hls' ? 'direct' : 'hls'
|
||||
if (next === 'hls') {
|
||||
// 带着当前位置切过去:云 HLS 跳一下、本地 HLS 从该点重开转码,都不从头播。
|
||||
enterHlsPlayback(ref.current?.currentTime || 0)
|
||||
enterHlsPlayback(position)
|
||||
} else {
|
||||
setCloudWaiting(false)
|
||||
// 直连要等 loadedmetadata 再跳(见播放方式接线 effect),这里先把目标位置存下来。
|
||||
pendingDirectStartRef.current = position
|
||||
}
|
||||
setPlaybackMode(next)
|
||||
}, [
|
||||
enterHlsPlayback,
|
||||
hlsSource,
|
||||
hlsStartSec,
|
||||
isDirectStream,
|
||||
mode,
|
||||
setPlaybackMode,
|
||||
@@ -1989,16 +2078,22 @@ export function PlayerPage() {
|
||||
const selectPlaybackQuality = useCallback(
|
||||
(quality: PlaybackQuality) => {
|
||||
const video = ref.current
|
||||
const position = video?.currentTime || 0
|
||||
const localTime = video?.currentTime || 0
|
||||
// 云 HLS 的 currentTime 本来就在绝对时间轴上;本地 HLS 的 t=0 对应 hlsStartSec。
|
||||
const position = mode === 'hls' && hlsSource === 'local' ? hlsStartSec + localTime : localTime
|
||||
if (quality.source === 'original') {
|
||||
setCloudWaiting(false)
|
||||
setHlsSource('local')
|
||||
// 切回原始文件直连:位置由直连分支的 loadedmetadata 跳转负责带过去。
|
||||
pendingDirectStartRef.current = position
|
||||
setPlaybackMode('direct')
|
||||
return
|
||||
}
|
||||
if (quality.source === 'cloud') {
|
||||
setSelectedQuality(quality.id)
|
||||
setHlsSource('cloud')
|
||||
// 用户手动选了云端档位:这是一次明确的重新尝试,重置自动重连的次数窗口。
|
||||
cloudReloadsRef.current = []
|
||||
if (quality.available) {
|
||||
setCloudWaiting(false)
|
||||
setCloudWaitMessage('')
|
||||
@@ -2025,7 +2120,7 @@ export function PlayerPage() {
|
||||
if (position > 2) setHlsStartSec(position)
|
||||
setPlaybackMode('hls')
|
||||
},
|
||||
[setPlaybackMode, startCloudTranscode],
|
||||
[hlsSource, hlsStartSec, mode, setPlaybackMode, startCloudTranscode],
|
||||
)
|
||||
|
||||
const changeSubtitleChineseMode = useCallback(
|
||||
|
||||
@@ -44,6 +44,19 @@ import { getReaderAudioEngine } from './readerAudioEngine'
|
||||
|
||||
const COLUMN_GAP = 48
|
||||
|
||||
/**
|
||||
* 正文「保持真实渲染」的页窗口:当前页 ± 这么多页的段落不做 content-visibility 跳过。
|
||||
*
|
||||
* 为什么要有这个窗口:被跳过的段落不能每帧重算可见性。翻页/拖动时内容每移动一点,
|
||||
* 进入或离开视口的段落都要重新判定,而每次判定变化都会重排整条多栏流——实测一次
|
||||
* 滑动触发 32 次 layout(20 次滑动主线程 10.6s,JS 只占 0.014s),帧根本画不完,
|
||||
* 表现出来就是两页之间抖。窗口固定住以后,动画期间不再有可见性变化,帧就稳了;
|
||||
* 只有读完窗口(每 TEXT_WARM_SHIFT 页)才付一次重排。
|
||||
*/
|
||||
const TEXT_WARM_PAGES = 12
|
||||
/** 页码漂出这个范围才移动渲染窗口,避免每翻一页都改可见性触发重排。 */
|
||||
const TEXT_WARM_SHIFT = 6
|
||||
|
||||
/** 正文里的图片占位行前缀(本地 EPUB 的图片,服务端已换成签名地址)。 */
|
||||
const IMG_MARK = '[img]'
|
||||
|
||||
@@ -109,8 +122,10 @@ const ReaderTextPageBody = memo(function ReaderTextPageBody({
|
||||
<>
|
||||
{blocks.map((block, key) => {
|
||||
const { text, comments } = block
|
||||
// content-visibility:跳过视口外段落的绘制。长章翻页时否则每次 transform
|
||||
// 都要重绘整章(实测可到数百毫秒)。auto 尺寸会记住上次渲染高度,减少分页抖动。
|
||||
// content-visibility:跳过视口外段落的绘制,否则每次 transform 都要重绘整章
|
||||
// (实测可到数百毫秒)。默认全部按需跳过;当前页附近的段落由
|
||||
// applyParagraphWarmWindow 改成 visible 并固定成一个窗口——被跳过的段落
|
||||
// 会在每帧重新判定可见性,导致动画期间反复重排(见 TEXT_WARM_PAGES)。
|
||||
const skipPaint: CSSProperties = {
|
||||
contentVisibility: 'auto',
|
||||
containIntrinsicSize: 'auto 4em',
|
||||
@@ -186,26 +201,53 @@ function firstReadableIndex(chapters: ReaderChapter[]): number {
|
||||
* 读一次布局把这一帧定成过渡起点,再打开过渡滑回 0;与此同时页码 +1/-1,
|
||||
* ReaderComic 那边单元格的 left 偏移在同一次提交里跟着换,两者相抵,
|
||||
* 屏幕上看到的就是新页从手指离开的位置平滑归位。
|
||||
*
|
||||
* base 是手势开始时舞台已经带着的残余位移(上一次归位动画没滑完就又被接管)。
|
||||
*/
|
||||
function settleComicDrag(el: HTMLDivElement, turn: 1 | -1, dx: number, turnPage: () => void): void {
|
||||
function settleComicDrag(el: HTMLDivElement, turn: 1 | -1, dx: number, base: number, turnPage: () => void): void {
|
||||
const width = el.clientWidth || 1
|
||||
el.style.transition = 'none'
|
||||
el.style.transform = `translateX(${turn > 0 ? width + dx : -width + dx}px)`
|
||||
el.style.transform = `translateX(${base + dx + turn * width}px)`
|
||||
void el.offsetWidth
|
||||
el.style.transition = PAGE_TRANSITION
|
||||
el.style.transform = 'translateX(0px)'
|
||||
turnPage()
|
||||
}
|
||||
|
||||
/**
|
||||
* 读元素当前的实际横向位移。
|
||||
*
|
||||
* 跟手层/漫画舞台的归位是 CSS 过渡,一次手势可能在过渡中途就被下一次手势接管。
|
||||
* 那时元素的 transform 停在中间值,必须把它读出来当作新手势的起点,
|
||||
* 否则新手势从 dx 重新开始,残余位移被抹掉,画面就会跳一格——快速连续翻页时
|
||||
* 最明显,看起来就是两页之间来回抖。
|
||||
*/
|
||||
function readTranslateX(el: HTMLElement): number {
|
||||
const t = getComputedStyle(el).transform
|
||||
if (!t || t === 'none') return 0
|
||||
const nums = t.match(/-?[\d.]+(?:e[-+]?\d+)?/gi)
|
||||
if (!nums) return 0
|
||||
// translate3d 在 Chrome 里可能给 matrix(a,b,c,d,tx,ty) 也可能给 matrix3d(...),
|
||||
// 两种都要取横向平移分量。
|
||||
const v = nums.length >= 16 ? Number(nums[12]) : nums.length >= 6 ? Number(nums[4]) : 0
|
||||
return Number.isFinite(v) ? v : 0
|
||||
}
|
||||
|
||||
/**
|
||||
* 文本滑动松手后的跟手层归位。正文多栏已瞬移,这里只把跟手层从「画面连续」的
|
||||
* 位移滑回 0。不用 void offsetWidth 强刷布局——长章多栏一强制回流就要几百毫秒。
|
||||
* turn=1 下一页,turn=-1 上一页;dx 为松手时的跟手位移。
|
||||
*
|
||||
* 起点必须是 base + dx + turn*stride:
|
||||
* - stride 要和正文那一跳用的步长完全一致(列宽 + 列间距)。用列宽代替步长的话,
|
||||
* 松手瞬间跟手层会少补一个列间距,画面先往回弹 48px 再往前滑。
|
||||
* - base 是手势开始时跟手层已经带着的残余位移:上一次归位动画没滑完就又滑了一次时,
|
||||
* 不带上它就等于把这段残余抹掉,画面跳一格。快速连续翻页时最明显。
|
||||
*/
|
||||
function settleTextDrag(dragEl: HTMLDivElement, turn: 1 | -1, dx: number): void {
|
||||
const width = dragEl.clientWidth || 1
|
||||
function settleTextDrag(dragEl: HTMLDivElement, turn: 1 | -1, dx: number, stride: number, base: number): void {
|
||||
const step = stride > 0 ? stride : dragEl.clientWidth || 1
|
||||
dragEl.style.transition = 'none'
|
||||
dragEl.style.transform = `translate3d(${turn > 0 ? width + dx : -width + dx}px,0,0)`
|
||||
dragEl.style.transform = `translate3d(${base + dx + turn * step}px,0,0)`
|
||||
requestAnimationFrame(() => {
|
||||
dragEl.style.transition = 'transform 140ms ease-out'
|
||||
dragEl.style.transform = 'translate3d(0,0,0)'
|
||||
@@ -274,6 +316,13 @@ export default function ReaderViewPage() {
|
||||
const textPageSyncTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
|
||||
/** 首次分页完成后锁住 pageCount,避免 content-visibility 改变 scrollWidth 后反复 setPageCount。 */
|
||||
const pageCountLockedRef = useRef(false)
|
||||
/** 正文段落节点与它们各自落在的页号,用来算「当前页附近的渲染窗口」。 */
|
||||
const paragraphsRef = useRef<NodeListOf<HTMLParagraphElement> | null>(null)
|
||||
const paragraphColsRef = useRef<Int32Array | null>(null)
|
||||
/** 每个段落当前是不是「真实渲染」(1=visible,0=按需跳过),只在分类变化时写 DOM。 */
|
||||
const paragraphWarmRef = useRef<Uint8Array | null>(null)
|
||||
/** 当前窗口中心页;-1 表示窗口失效(映射刚重算过),下次应用时重建。 */
|
||||
const warmCenterRef = useRef(-1)
|
||||
vwRef.current = vw
|
||||
pageCountRef.current = pageCount
|
||||
// 音频/漫画媒体状态
|
||||
@@ -504,19 +553,29 @@ export default function ReaderViewPage() {
|
||||
}, [chapterIndex, book, chapters, contentCacheKey, contentReloadKey])
|
||||
|
||||
// ── 分页排版(CSS 多栏 + 平移) ──
|
||||
/** 把正文列平移到指定页。animate=true 时走 220ms 过渡;换章/重排传 false。 */
|
||||
const applyTextPageTransform = useCallback((nextPage: number, animate: boolean) => {
|
||||
const el = contentRef.current
|
||||
if (!el) return
|
||||
const width = vwRef.current > 0 ? vwRef.current : (viewportRef.current?.clientWidth ?? 0)
|
||||
const stride = Math.max(width, 1) + COLUMN_GAP
|
||||
el.style.transition = animate ? PAGE_TRANSITION : 'none'
|
||||
// 正文多栏可能极宽,不要 translate3d / will-change,免得整章被提成巨大合成层。
|
||||
el.style.transform = `translateX(-${nextPage * stride}px)`
|
||||
appliedTextPageRef.current = nextPage
|
||||
appliedTextVwRef.current = width
|
||||
/** 一页正文占的横向步长:列宽 + 列间距。分页位移和跟手补位必须用同一个值。 */
|
||||
const textPageStride = useCallback(() => {
|
||||
const width = vwRef.current > 0
|
||||
? vwRef.current
|
||||
: Math.round(viewportRef.current?.getBoundingClientRect().width ?? 0)
|
||||
return Math.max(width, 1) + COLUMN_GAP
|
||||
}, [])
|
||||
|
||||
/** 把正文列平移到指定页。animate=true 时走 220ms 过渡;换章/重排传 false。 */
|
||||
const applyTextPageTransform = useCallback(
|
||||
(nextPage: number, animate: boolean) => {
|
||||
const el = contentRef.current
|
||||
if (!el) return
|
||||
const stride = textPageStride()
|
||||
el.style.transition = animate ? PAGE_TRANSITION : 'none'
|
||||
// 正文多栏可能极宽,不要 translate3d / will-change,免得整章被提成巨大合成层。
|
||||
el.style.transform = `translateX(-${nextPage * stride}px)`
|
||||
appliedTextPageRef.current = nextPage
|
||||
appliedTextVwRef.current = vwRef.current > 0 ? vwRef.current : (viewportRef.current?.clientWidth ?? 0)
|
||||
},
|
||||
[textPageStride],
|
||||
)
|
||||
|
||||
const updateTextPageLabel = useCallback((nextPage: number) => {
|
||||
const label = pageLabelRef.current
|
||||
if (!label) return
|
||||
@@ -524,6 +583,72 @@ export default function ReaderViewPage() {
|
||||
label.textContent = title ? `${nextPage + 1} / ${pageCountRef.current} · ${title}` : `${nextPage + 1} / ${pageCountRef.current}`
|
||||
}, [])
|
||||
|
||||
/**
|
||||
* 重算「段落 → 页号」映射。正文是一条超长多栏流,段落落在哪一栏只能从布局读。
|
||||
* 2500 段读一遍 offsetLeft 约 2ms(布局干净时),比让浏览器每帧自己重算便宜得多。
|
||||
*/
|
||||
const refreshParagraphColumns = useCallback(() => {
|
||||
const el = contentRef.current
|
||||
if (!el) return
|
||||
const ps = el.querySelectorAll('p')
|
||||
const stride = textPageStride()
|
||||
const cols = new Int32Array(ps.length)
|
||||
for (let i = 0; i < ps.length; i++) cols[i] = Math.floor(ps[i].offsetLeft / stride)
|
||||
paragraphsRef.current = ps
|
||||
paragraphColsRef.current = cols
|
||||
// 映射变了,缓存的「谁在渲染」标记不能沿用:下次应用时以 DOM 现状为基准重算。
|
||||
paragraphWarmRef.current = new Uint8Array(ps.length)
|
||||
warmCenterRef.current = -1
|
||||
}, [textPageStride])
|
||||
|
||||
/**
|
||||
* 把当前页附近的段落固定成「真实渲染」,其余继续按需跳过。
|
||||
* 只有分类真的变了的段落才写 DOM,所以窗口不动时这个函数是空转。
|
||||
*/
|
||||
const applyParagraphWarmWindow = useCallback(
|
||||
(nextPage: number) => {
|
||||
if (settings.pageMode !== 'page' || contentType !== 'text') return
|
||||
const cols = paragraphColsRef.current
|
||||
const ps = paragraphsRef.current
|
||||
const warm = paragraphWarmRef.current
|
||||
if (!cols || !ps || !warm || cols.length !== ps.length) return
|
||||
const center = warmCenterRef.current
|
||||
if (center >= 0 && Math.abs(nextPage - center) <= TEXT_WARM_SHIFT) return
|
||||
if (center < 0) {
|
||||
for (let i = 0; i < ps.length; i++) warm[i] = ps[i].style.contentVisibility === 'visible' ? 1 : 0
|
||||
}
|
||||
warmCenterRef.current = nextPage
|
||||
const lo = nextPage - TEXT_WARM_PAGES
|
||||
const hi = nextPage + TEXT_WARM_PAGES
|
||||
let flipped = false
|
||||
for (let i = 0; i < ps.length; i++) {
|
||||
const want = cols[i] >= lo && cols[i] <= hi ? 1 : 0
|
||||
if (warm[i] === want) continue
|
||||
warm[i] = want
|
||||
flipped = true
|
||||
// 放进窗口 = visible(真实渲染),移出窗口 = auto(按需跳过,高度用记住的值)。
|
||||
ps[i].style.setProperty('content-visibility', want ? 'visible' : 'auto')
|
||||
}
|
||||
// 可见性一变,段落高度就从估算值换成真实值,后面所有段落都会挪位,
|
||||
// 缓存的映射随即过期。等下一帧布局落定再重算,别卡在这一帧里。
|
||||
if (flipped) requestAnimationFrame(() => refreshParagraphColumns())
|
||||
},
|
||||
[settings.pageMode, contentType, refreshParagraphColumns],
|
||||
)
|
||||
|
||||
/** 退出翻页模式时把整章段落放回按需跳过,别留着上一次的渲染窗口。 */
|
||||
const resetParagraphWarmWindow = useCallback(() => {
|
||||
const ps = paragraphsRef.current
|
||||
const warm = paragraphWarmRef.current
|
||||
if (!ps || !warm) return
|
||||
for (let i = 0; i < ps.length; i++) {
|
||||
if (!warm[i]) continue
|
||||
warm[i] = 0
|
||||
ps[i].style.setProperty('content-visibility', 'auto')
|
||||
}
|
||||
warmCenterRef.current = -1
|
||||
}, [])
|
||||
|
||||
/**
|
||||
* 把 pageRef 写回 React。长章每次 setPage 都会让整页重渲染卡住 1s+,
|
||||
* 所以阅读翻页热路径绝不调用;只在打开菜单 / 换章 / 卸载时同步。
|
||||
@@ -544,7 +669,7 @@ export default function ReaderViewPage() {
|
||||
* dragDx 有值表示来自滑动松手。
|
||||
*/
|
||||
const commitTextPage = useCallback(
|
||||
(nextPage: number, opts?: { dragDx?: number }) => {
|
||||
(nextPage: number, opts?: { dragDx?: number; dragBase?: number }) => {
|
||||
const from = pageRef.current
|
||||
const dragDx = opts?.dragDx
|
||||
const fromSwipe = typeof dragDx === 'number'
|
||||
@@ -553,58 +678,79 @@ export default function ReaderViewPage() {
|
||||
pageRef.current = nextPage
|
||||
applyTextPageTransform(nextPage, false)
|
||||
updateTextPageLabel(nextPage)
|
||||
applyParagraphWarmWindow(nextPage)
|
||||
|
||||
const dragEl = pageDragRef.current
|
||||
if (fromSwipe && dragEl && nextPage !== from) {
|
||||
settleTextDrag(dragEl, turn, dragDx)
|
||||
settleTextDrag(dragEl, turn, dragDx, textPageStride(), opts?.dragBase ?? 0)
|
||||
} else if (dragEl) {
|
||||
dragEl.style.transition = 'none'
|
||||
// 点按翻页也可能打断上一次的归位动画。这里不能用 transition:'none' 直接抹掉残余:
|
||||
// 那是硬跳。带上过渡滑回 0,起点就是当前的实际位置,画面才是连续的。
|
||||
dragEl.style.transition = PAGE_TRANSITION
|
||||
dragEl.style.transform = 'translate3d(0,0,0)'
|
||||
}
|
||||
},
|
||||
[applyTextPageTransform, updateTextPageLabel],
|
||||
[applyTextPageTransform, updateTextPageLabel, applyParagraphWarmWindow, textPageStride],
|
||||
)
|
||||
|
||||
const relayout = useCallback(() => {
|
||||
const vp = viewportRef.current
|
||||
if (!vp) return
|
||||
const width = vp.clientWidth
|
||||
const el = contentRef.current
|
||||
if (!vp || !el) return
|
||||
// 列宽必须是整数、而且要和位移用的步长完全一致。
|
||||
// clientWidth / state 是取整的,而实际布局宽度可能是小数(缩放、非整数 DPI 很常见,
|
||||
// 比如 382.4)。容器宽 382.4、column-width 写 382 时,浏览器按容器宽排出 382.4 的列,
|
||||
// 真实列距就变成 430.4,而位移按 430 算——每页差 0.4px,误差乘以页码:
|
||||
// 第 339 页就偏了 135px,整页文字从句子中间切开。所以这里把容器宽钉成同一个整数,
|
||||
// 真实列距就等于步长,页码再大也不会漂。
|
||||
const width = Math.max(1, Math.round(vp.getBoundingClientRect().width))
|
||||
const widthPx = `${width}px`
|
||||
// 宽度和列宽都用命令式写:React 那边用的是 vw state,晚一帧才跟上,
|
||||
// 这一帧里算出来的 scrollWidth / 页数就会是错的。
|
||||
if (el.style.width !== widthPx) el.style.width = widthPx
|
||||
if (el.style.columnWidth !== widthPx) el.style.columnWidth = widthPx
|
||||
// 用正文列自己的 scrollWidth;视口在子元素 transform 时 scrollWidth 会抖,
|
||||
// 导致翻一页就重新 setPageCount → 整页重渲染卡 1s+。
|
||||
const total = contentRef.current?.scrollWidth ?? vp.scrollWidth
|
||||
const total = el.scrollWidth ?? vp.scrollWidth
|
||||
const count = Math.max(1, Math.ceil((total + COLUMN_GAP) / (width + COLUMN_GAP)))
|
||||
|
||||
const pendingEnd = pendingEndRef.current && count > 0
|
||||
const widthChanged = width !== vwRef.current
|
||||
if (widthChanged) pageCountLockedRef.current = false
|
||||
// content-visibility 只给视口附近的段落算真尺寸,远端的段落按估算高度参与分页,
|
||||
// 所以 scrollWidth 会随阅读单向变大。锁定期内只接受变大(页数更准,且增长是单向
|
||||
// 的,不会来回抖);不接受变小——正文一跳回估算值就会把页码夹回上一页,
|
||||
// 表现出来就是「翻到下一页又被拉回上一页」。
|
||||
const effectiveCount = pageCountLockedRef.current ? Math.max(count, pageCountRef.current) : count
|
||||
const countGrew = effectiveCount !== pageCountRef.current
|
||||
|
||||
const pendingEnd = pendingEndRef.current && effectiveCount > 0
|
||||
const pendingPos = pendingPosRef.current > 0
|
||||
const clamped = Math.min(pageRef.current, Math.max(0, count - 1))
|
||||
const clamped = Math.min(pageRef.current, Math.max(0, effectiveCount - 1))
|
||||
const nextPage = pendingEnd
|
||||
? count - 1
|
||||
? effectiveCount - 1
|
||||
: pendingPos
|
||||
? Math.min(pendingPosRef.current, count - 1)
|
||||
? Math.min(pendingPosRef.current, effectiveCount - 1)
|
||||
: clamped
|
||||
|
||||
if (pendingEnd) pendingEndRef.current = false
|
||||
if (pendingPos) pendingPosRef.current = 0
|
||||
|
||||
const widthChanged = width !== vwRef.current
|
||||
// 窗口宽度变了要重新分页;锁住后忽略 scrollWidth 抖动(content-visibility 估算高度)。
|
||||
if (widthChanged) pageCountLockedRef.current = false
|
||||
const countChanged = !pageCountLockedRef.current && count !== pageCountRef.current
|
||||
const pageChanged = nextPage !== pageRef.current
|
||||
|
||||
// 热路径上尺寸没变就别 setState——否则每次翻页都会重渲染 2000+ 段正文。
|
||||
if (!widthChanged && !countChanged && !pageChanged && !pendingEnd && !pendingPos) {
|
||||
if (!widthChanged && !countGrew && !pageChanged && !pendingEnd && !pendingPos) {
|
||||
if (count > 1) pageCountLockedRef.current = true
|
||||
return
|
||||
}
|
||||
|
||||
vwRef.current = width
|
||||
if (!pageCountLockedRef.current) pageCountRef.current = count
|
||||
pageCountRef.current = effectiveCount
|
||||
pageRef.current = nextPage
|
||||
applyParagraphWarmWindow(nextPage)
|
||||
if (widthChanged) setVw(width)
|
||||
if (countChanged) {
|
||||
setPageCount(count)
|
||||
if (count > 1) pageCountLockedRef.current = true
|
||||
if (countGrew) {
|
||||
setPageCount(effectiveCount)
|
||||
if (effectiveCount > 1) pageCountLockedRef.current = true
|
||||
}
|
||||
if (pageChanged || pendingEnd || pendingPos) {
|
||||
snapTextPageRef.current = true
|
||||
@@ -612,11 +758,26 @@ export default function ReaderViewPage() {
|
||||
updateTextPageLabel(nextPage)
|
||||
applyTextPageTransform(nextPage, false)
|
||||
}
|
||||
}, [applyTextPageTransform, updateTextPageLabel])
|
||||
}, [applyTextPageTransform, updateTextPageLabel, applyParagraphWarmWindow])
|
||||
|
||||
useLayoutEffect(() => {
|
||||
relayout()
|
||||
}, [relayout, content, settings.fontSize, settings.lineHeight, settings.paragraphSpacing, settings.pageMode, vw])
|
||||
// 正文/字号/列宽变了:段落落位全变了,重新算映射并重建渲染窗口。
|
||||
if (settings.pageMode === 'page' && contentType === 'text') {
|
||||
refreshParagraphColumns()
|
||||
applyParagraphWarmWindow(pageRef.current)
|
||||
} else {
|
||||
resetParagraphWarmWindow()
|
||||
}
|
||||
}, [relayout, refreshParagraphColumns, applyParagraphWarmWindow, resetParagraphWarmWindow, content, settings.fontSize, settings.lineHeight, settings.paragraphSpacing, settings.pageMode, contentType, vw])
|
||||
|
||||
// 页脚页码的文字只由 DOM 直接写(翻页热路径不 setState),React 那边不渲染子节点。
|
||||
// 两边都写的话,React 重渲染时会拿滞后的 page 去覆盖,覆盖失败时页面会闪一下旧页码。
|
||||
// 这里在换章 / 页数变化时补写一次,保证页脚不为空。
|
||||
useLayoutEffect(() => {
|
||||
if (settings.pageMode !== 'page' || contentType !== 'text') return
|
||||
updateTextPageLabel(pageRef.current)
|
||||
}, [content, pageCount, chapterIndex, contentType, settings.pageMode, updateTextPageLabel])
|
||||
|
||||
// 列宽变化或换章恢复时对齐位移。
|
||||
// 阅读热路径以 pageRef 为权威页码(不走 setPage);这里绝不能用滞后的 React page
|
||||
@@ -942,28 +1103,40 @@ export default function ReaderViewPage() {
|
||||
// 相抵,画面看不出切换。
|
||||
const comicStageRef = useRef<HTMLDivElement>(null)
|
||||
const pageDragEnabled = settings.pageMode === 'page' && (contentType === 'text' || comicDragSinglePage)
|
||||
/**
|
||||
* 本次跟手手势开始时,跟手层/舞台已经带着的残余位移。
|
||||
* 上一次翻页的归位动画没滑完就又滑了一次,新位移必须接着它算,否则画面跳一格。
|
||||
*/
|
||||
const dragBaseRef = useRef(0)
|
||||
|
||||
const onPageDragStart = useCallback(() => {
|
||||
const el = contentType === 'image' ? comicStageRef.current : pageDragRef.current
|
||||
dragBaseRef.current = el ? readTranslateX(el) : 0
|
||||
}, [contentType])
|
||||
|
||||
const onPageDrag = useCallback(
|
||||
(dx: number) => {
|
||||
const el = contentType === 'image' ? comicStageRef.current : pageDragRef.current
|
||||
if (!el) return
|
||||
el.style.transition = 'none'
|
||||
el.style.transform = `translate3d(${dx}px,0,0)`
|
||||
el.style.transform = `translate3d(${dragBaseRef.current + dx}px,0,0)`
|
||||
},
|
||||
[contentType],
|
||||
)
|
||||
|
||||
const onPageDragEnd = useCallback(
|
||||
(dx: number) => {
|
||||
const base = dragBaseRef.current
|
||||
dragBaseRef.current = 0
|
||||
if (contentType === 'image') {
|
||||
const el = comicStageRef.current
|
||||
if (!el) return
|
||||
if (dx <= -DRAG_TURN_DISTANCE) {
|
||||
settleComicDrag(el, 1, dx, goNext)
|
||||
settleComicDrag(el, 1, dx, base, goNext)
|
||||
return
|
||||
}
|
||||
if (dx >= DRAG_TURN_DISTANCE) {
|
||||
settleComicDrag(el, -1, dx, goPrev)
|
||||
settleComicDrag(el, -1, dx, base, goPrev)
|
||||
return
|
||||
}
|
||||
el.style.transition = PAGE_TRANSITION
|
||||
@@ -974,7 +1147,7 @@ export default function ReaderViewPage() {
|
||||
if (!el) return
|
||||
if (dx <= -DRAG_TURN_DISTANCE) {
|
||||
if (pageRef.current < pageCountRef.current - 1) {
|
||||
commitTextPage(pageRef.current + 1, { dragDx: dx })
|
||||
commitTextPage(pageRef.current + 1, { dragDx: dx, dragBase: base })
|
||||
} else {
|
||||
el.style.transition = PAGE_TRANSITION
|
||||
el.style.transform = 'translate3d(0,0,0)'
|
||||
@@ -984,7 +1157,7 @@ export default function ReaderViewPage() {
|
||||
}
|
||||
if (dx >= DRAG_TURN_DISTANCE) {
|
||||
if (pageRef.current > 0) {
|
||||
commitTextPage(pageRef.current - 1, { dragDx: dx })
|
||||
commitTextPage(pageRef.current - 1, { dragDx: dx, dragBase: base })
|
||||
} else {
|
||||
el.style.transition = PAGE_TRANSITION
|
||||
el.style.transform = 'translate3d(0,0,0)'
|
||||
@@ -1003,6 +1176,7 @@ export default function ReaderViewPage() {
|
||||
onSwipeRight: goPrev,
|
||||
onSwipeLeft: goNext,
|
||||
minDistance: DRAG_TURN_DISTANCE,
|
||||
onDragStart: pageDragEnabled ? onPageDragStart : undefined,
|
||||
onDrag: pageDragEnabled ? onPageDrag : undefined,
|
||||
onDragEnd: pageDragEnabled ? onPageDragEnd : undefined,
|
||||
})
|
||||
@@ -1385,15 +1559,14 @@ export default function ReaderViewPage() {
|
||||
)}
|
||||
</div>
|
||||
|
||||
{/* 页脚页码(翻页模式) */}
|
||||
{/* 页脚页码(翻页模式)。文字由 updateTextPageLabel 直接写 DOM,
|
||||
React 不渲染子节点,避免重渲染时用滞后的页码覆盖。 */}
|
||||
{settings.pageMode === 'page' && contentType === 'text' && content !== null && (
|
||||
<div
|
||||
ref={pageLabelRef}
|
||||
className="pointer-events-none pb-2 text-center text-2xs opacity-50"
|
||||
style={{ color: theme.text }}
|
||||
>
|
||||
{page + 1} / {pageCount} · {currentChapter?.title ?? ''}
|
||||
</div>
|
||||
/>
|
||||
)}
|
||||
|
||||
{/* 主菜单(仿 legado ReadMenu) */}
|
||||
|
||||
Reference in New Issue
Block a user