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支持 ASS 字幕原样渲染与字幕显示设置

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This commit is contained in:
truewhile
2026-09-11 19:35:08 +08:00
parent e840cbd2c9
commit 0f06bdf929
19 changed files with 874 additions and 76 deletions
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internal/service/subtitle_test.go
+26 -1
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@@ -100,7 +100,7 @@ func TestEmbeddedSubtitleProbeClassifiesTextAndBitmapTracks(t *testing.T) {
if len(tracks) != 2 {
t.Fatalf("len(tracks) = %d, want 2", len(tracks))
}
if tracks[0].Delivery != "webvtt" || tracks[0].Path != "embedded:2" {
if tracks[0].Delivery != "ass" || tracks[0].Path != "embedded:2" {
t.Fatalf("text track = %#v", tracks[0])
}
if tracks[1].Delivery != "burn" || tracks[1].StreamIndex != 4 {
@@ -108,6 +108,18 @@ func TestEmbeddedSubtitleProbeClassifiesTextAndBitmapTracks(t *testing.T) {
}
}
func TestSubtitleDeliveryClassifiesASSForLibass(t *testing.T) {
if got := subtitleDeliveryForCodec("ass"); got != "ass" {
t.Fatalf("ass delivery = %q, want ass", got)
}
if got := subtitleDeliveryForCodec("ssa"); got != "ass" {
t.Fatalf("ssa delivery = %q, want ass", got)
}
if got := subtitleDeliveryForCodec("subrip"); got != "webvtt" {
t.Fatalf("subrip delivery = %q, want webvtt", got)
}
}
func TestNormaliseTimecode(t *testing.T) {
cases := map[string]string{
"0:00:01": "00:00:01",
@@ -176,4 +188,17 @@ func TestSubtitleServeRawWritesSourceBytes(t *testing.T) {
if got := buf.String(); got != raw {
t.Fatalf("ServeRaw returned %q, want raw %q", got, raw)
}
buf.Reset()
if err := svc.ServeASS(t.Context(), media.ID, subPath, &buf); err != nil {
t.Fatal(err)
}
if got := buf.String(); got != raw {
t.Fatalf("ServeASS returned %q, want raw ASS %q", got, raw)
}
buf.Reset()
if err := svc.ServeRaw(t.Context(), media.ID, videoPath, &buf); err == nil {
t.Fatal("ServeRaw accepted a non-subtitle file")
}
}