1
local lfs = require("lfs")
2
local json = require("dkjson")
3

4
local input_dir = "voice_ogg"
5

6
local output_dir = "voice_wav"
7

8
local json_path = "text_output.json"
9

10
local min_duration = 3 -- 筛选音频最短时长（秒）
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local max_duration = 30 -- 筛选音频最长时长（秒）
12

13
-- 创建输出目录
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local attr = lfs.attributes(output_dir)
15
if not attr or attr.mode ~= "directory" then
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    os.execute('mkdir "' .. output_dir .. '"')
17
end
18

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-- 读取 JSON
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local f = io.open(json_path, "r")
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if not f then
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    error("无法打开 JSON 文件: " .. json_path)
23
end
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local content = f:read("*a")
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f:close()
26

27
local data, pos, err = json.decode(content)
28
if err then
29
    error("JSON 解析失败: " .. err)
30
end
31

32
local allowed = {}
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for _, entry in ipairs(data) do
34
    allowed[entry.voice_file] = true
35
end
36

37
-- 获取音频时长（秒）
38
local function get_duration(file_path)
39
    local cmd = string.format(
40
        'ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "%s"', file_path)
41
    local handle = io.popen(cmd)
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    local result = handle:read("*a")
43
    handle:close()
44
    return tonumber(result)
45
end
46

47
for file in lfs.dir(input_dir) do
48
    if file:match("%.ogg$") then
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        local input_path = input_dir .. "/" .. file
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        local base_name = file:match("^(.*)%.ogg$")
51
        local output_path = output_dir .. "/" .. base_name .. ".wav"
52

53
        if allowed[base_name] then
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            local duration = get_duration(input_path)
55

56
            if duration and duration >= min_duration and duration <= max_duration then
57
                local cmd = string.format('ffmpeg -i "%s" "%s"', input_path, output_path)
58
                os.execute(cmd)
59
            end
60
        end
61
    end
62
end

1
local lfs = require("lfs")
2

3
local json = require("dkjson")
4
local current_dir = lfs.currentdir()
5

6
local wav_dir = "voice_wav"
7

8
local json_path = "text_output.json"
9

10
local output_slicer = "slicer.list"
11

12
-- 读取 JSON
13
local f = io.open(json_path, "r")
14
if not f then
15
    error("无法打开 JSON 文件: " .. json_path)
16
end
17
local content = f:read("*a")
18
f:close()
19

20
local data, pos, err = json.decode(content)
21
if err then
22
    error("JSON 解析失败: " .. err)
23
end
24

25
local vtpairs = {}
26
for _, entry in ipairs(data) do
27
    vtpairs[entry.voice_file] = entry.text
28
end
29

30
local output = io.open(output_slicer, "w")
31

32
for file in lfs.dir(wav_dir) do
33
    if file:match("%.wav$") then
34
        local base_name = file:match("^(.*)%.wav$")
35
        local absolute_path = current_dir .. "\\" .. base_name .. ".wav"
36
        if vtpairs[base_name] then
37
            output:write(absolute_path .. "|slicer|JA|" .. vtpairs[base_name] .. "\n")
38
        end
39
    end
40
end
41

42
output:close()