fix: ASS Fontname 字体名称映射到服务器注册名
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前端传中文字体名(思源黑体/苹方/微软雅黑等),但服务器上 ffmpeg 通过注册名匹配,
导致字体 fallback。加 FONT_NAME_MAP 字典映射到 Noto Sans CJK SC 等实际注册名。

新增4个字体映射单测,85个测试全部通过。
This commit is contained in:
xiaoxia
2026-08-26 16:41:57 +08:00
parent bd0082b764
commit 14c11a75a0
2 changed files with 38 additions and 2 deletions
+15 -1
View File
@@ -24,6 +24,17 @@ TITLE_MARGIN_TOP = 120
TITLE_MARGIN_BOTTOM = 60
TITLE_MARGIN_SIDE = 40
# 字体名称映射:前端中文字体名 → 服务器实际注册名(ffmpeg/ASS 通过注册名匹配字体)
FONT_NAME_MAP: dict[str, str] = {
"思源黑体": "Noto Sans CJK SC",
"思源宋体": "Noto Serif CJK SC",
"苹方": "Noto Sans CJK SC",
"PingFang": "Noto Sans CJK SC",
"微软雅黑": "Noto Sans CJK SC",
"楷体": "Noto Serif CJK SC",
"华康俪金黑": "Noto Sans CJK SC",
}
# ── 颜色转换 ──────────────────────────────────────────────────────────────────
@@ -117,6 +128,9 @@ def build_ass_style(
bold_val = -1 if bold else 0
italic_val = -1 if italic else 0
# 字体名称映射:前端中文字体名 → 服务器注册名,未命中则原样使用
actual_font = FONT_NAME_MAP.get(font_name, font_name)
# BackColour 用于阴影(BorderStyle=1 时 outline + shadow
back_color = primary_color
@@ -124,7 +138,7 @@ def build_ass_style(
shadow_depth = shadow_offset[1] if shadow_blur > 0 else 0
return (
f"Style: {style_name},{font_name},{font_size},{primary_color},"
f"Style: {style_name},{actual_font},{font_size},{primary_color},"
f"&H000000FF,{outline_color},{back_color},"
f"{bold_val},{italic_val},0,0,100,100,0,0,"
f"1,{outline_width},{shadow_depth},{alignment},"
+23 -1
View File
@@ -79,7 +79,7 @@ class TestBuildAssStyle:
def test_minimal_style(self):
result = build_ass_style("TestStyle")
assert result.startswith("Style: TestStyle,")
assert "思源黑体" in result
assert "Noto Sans CJK SC" in result
assert ",48," in result
def test_custom_font_size(self):
@@ -153,6 +153,28 @@ class TestBuildAssStyle:
assert len(parts) == 23
def test_font_name_mapping_siyuan(self):
"""思源黑体 → Noto Sans CJK SC"""
result = build_ass_style("Test", font_name="思源黑体")
assert "Noto Sans CJK SC" in result
def test_font_name_mapping_apple(self):
"""苹方 → Noto Sans CJK SC"""
result = build_ass_style("Test", font_name="苹方")
assert "Noto Sans CJK SC" in result
def test_font_name_mapping_msyh(self):
"""微软雅黑 → Noto Sans CJK SC"""
result = build_ass_style("Test", font_name="微软雅黑")
assert "Noto Sans CJK SC" in result
def test_font_name_mapping_unknown_passthrough(self):
"""未映射字体原样使用"""
result = build_ass_style("Test", font_name="CustomFont")
assert "CustomFont" in result
# ── 文本转义 ──────────────────────────────────────────────────────────────────