如何自动分章节下载视频或音频（视频，音频分P保存）？

1 年前

灼灼其华

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本文介绍方法适合下载油管或B站上分章节的视频，比如歌曲，教程类视频，可以按章节保存视频或音频。

准备工作

详细方法参考这篇：

灼灼其华：如何批量下载B站（油管）视频节目3

1. yt-dlp
2. ffmpeg, (windows系统解压到c:\下），用于转换MP3格式音频

下载方法：

建立或修改yt-dlp.conf

下载视频配置：

--proxy 127.0.0.1:10809
--ffmpeg-location "c:\ffmpeg\bin"
# 下载格式 22=720p, b = best vidio, ba = best audio, 139 = m4a格式
-f 22

# 分节保持开关
--split-chapters
-o "%(id)s.%(ext)s"

# 保存目录
-P "video"

下载音频的配置：

--proxy 127.0.0.1:10809
--ffmpeg-location "c:\ffmpeg\bin"
# 下载格式 22=720p, b = best vidio, ba = best audio, 139 = m4a格式
-f ba
# 分节保持开关
--split-chapters
-o "%(id)s.%(ext)s"

# 保存目录
-P "video"
# 提取音频
-x
--audio-format mp3
--embed-metadata
#音频品质 0 - 10， 0为最佳，默认为5，或者比特率
--audio-quality 256k

示例：

$yt-dlp https://www.bilibili.com/video/BV1qT4y1m7Lc/

(venv) PS D:\dev\tube> yt-dlp https://www.bilibili.com/video/BV1qT4y1m7Lc/
[BiliBili] 1qT4y1m7Lc: Downloading webpage
[BiliBili] BV1qT4y1m7Lc: Extracting videos in anthology
[BiliBili] Downloading playlist BV1qT4y1m7Lc - add --no-playlist to download just the video BV1qT4y1m7Lc
[download] Downloading playlist: 分P版-邓丽君《极品天碟LPCD45II (首批限量版)》CD专辑
[BiliBili] Playlist 分P版-邓丽君《极品天碟LPCD45II (首批限量版)》CD专辑: Downloading 19 videos of 19
[download] Downloading video 1 of 19
[BiliBili] 1qT4y1m7Lc: Downloading webpage
[BiliBili] BV1qT4y1m7Lc: Extracting videos in anthology
[BiliBili] Format(s) 720P 高清, 1080P 高清, 1080P 60帧 are missing; you have to login or become premium member to download them
[BiliBili] 935535276: Extracting chapters
[MetadataParser] Parsed title from '%(id)s-%(chapter)s ': 'BV1qT4y1m7Lc_p1-NA '
[info] BV1qT4y1m7Lc_p1: Downloading 1 format(s): 2
[download] Destination: test\BV1qT4y1m7Lc_p1.m4a
[download] 100% of   10.22MiB in 00:00:01 at 6.05MiB/s
[ExtractAudio] Destination: test\BV1qT4y1m7Lc_p1.mp3
Deleting original file test\BV1qT4y1m7Lc_p1.m4a (pass -k to keep)
[Metadata] Adding metadata to "test\BV1qT4y1m7Lc_p1.mp3"
[SplitChapters] Chapter information is unavailable
[download] Downloading video 2 of 19
[BiliBili] 1qT4y1m7Lc: Downloading webpage
[BiliBili] BV1qT4y1m7Lc: Extracting videos in anthology
[BiliBili] Format(s) 720P 高清, 1080P 高清, 1080P 60帧 are missing; you have to login or become premium member to download them
[BiliBili] 935535276: Extracting chapters
[MetadataParser] Parsed title from '%(id)s-%(chapter)s ': 'BV1qT4y1m7Lc_p2-NA '
[info] BV1qT4y1m7Lc_p2: Downloading 1 format(s): 2
[download] Destination: test\BV1qT4y1m7Lc_p2.m4a
[download] 100% of    8.10MiB in 00:00:01 at 4.86MiB/s
[ExtractAudio] Destination: test\BV1qT4y1m7Lc_p2.mp3
Deleting original file test\BV1qT4y1m7Lc_p2.m4a (pass -k to keep)
[Metadata] Adding metadata to "test\BV1qT4y1m7Lc_p2.mp3"
[SplitChapters] Chapter information is unavailable
[download] Downloading video 3 of 19
[BiliBili] 1qT4y1m7Lc: Downloading webpage
[BiliBili] BV1qT4y1m7Lc: Extracting videos in anthology
[BiliBili] Format(s) 720P 高清, 1080P 高清, 1080P 60帧 are missing; you have to login or become premium member to download them
[BiliBili] 935535276: Extracting chapters
[MetadataParser] Parsed title from '%(id)s-%(chapter)s ': 'BV1qT4y1m7Lc_p3-NA '
[info] BV1qT4y1m7Lc_p3: Downloading 1 format(s): 2
[download] Destination: test\BV1qT4y1m7Lc_p3.m4a
[download] 100% of    7.72MiB in 00:00:01 at 5.68MiB/s
[ExtractAudio] Destination: test\BV1qT4y1m7Lc_p3.mp3
Deleting original file test\BV1qT4y1m7Lc_p3.m4a (pass -k to keep)
[Metadata] Adding metadata to "test\BV1qT4y1m7Lc_p3.mp3"
[SplitChapters] Chapter information is unavailable
[download] Downloading video 4 of 19
.....

保持的MP3文件结果：

视频分章节下载示例，比如下图油管钢琴曲集已按时间分节：

使用下载视频的配置文件：

$yt-dlp https://www.youtube.com/watch?v=oYQut39Uyww
[youtube] oYQut39Uyww: Downloading webpage
[youtube] oYQut39Uyww: Downloading android player API JSON
[MetadataParser] Parsed title from '%(id)s-%(chapter)s ': 'oYQut39Uyww-NA '
[info] oYQut39Uyww: Downloading 1 format(s): 22
[download] Destination: test1\oYQut39Uyww.mp4
[download] 100% of  545.77MiB in 00:01:29 at 6.09MiB/s
[Metadata] Adding metadata to "test1\oYQut39Uyww.mp4"
[SplitChapters] Splitting video by chapters; 20 chapters found
[SplitChapters] Chapter 001; Destination: test1\oYQut39Uyww-NA  - 001 ＜Untitled Chapter 1＞ [oYQut39Uyww].mp4
[SplitChapters] Chapter 002; Destination: test1\oYQut39Uyww-NA  - 002 01.Kiki's Delivery Service - Umi no Mieru Machi魔
女宅急便《能看見海的街道》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 003; Destination: test1\oYQut39Uyww-NA  - 003 02.Princess Mononoke - Mononoke Hime魔法公主《鄉村路帶我回家 》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 004; Destination: test1\oYQut39Uyww-NA  - 004 03.My Neighbor Totoro - Kaze no Toori Michi龍貓《
風之甬道 》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 005; Destination: test1\oYQut39Uyww-NA  - 005 04.Porco Rosso - Toki ni wa Mukashi no Hanashi wo
红猪《偶爾也說說昔日吧 》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 006; Destination: test1\oYQut39Uyww-NA  - 006 05.Kiki's Delivery Service - Yasashisa ni Tsutsumareta nara魔女宅急便《若被溫柔包圍》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 007; Destination: test1\oYQut39Uyww-NA  - 007 06.My Neighbor Totoro - Tonari no Totoro龍貓《鄰家的龍貓》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 008; Destination: test1\oYQut39Uyww-NA  - 008 07.Nausicaä of the Valley of the Wind - Kaze no Tani no Naushika風之谷《風之谷的娜烏西卡》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 009; Destination: test1\oYQut39Uyww-NA  - 009 08.Laputa： Castle in the Sky - Kimi wo Nosete天空之城《伴隨著你》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 010; Destination: test1\oYQut39Uyww-NA  - 010 09.Spirited Away - Inochi no Namae千與千尋《生命之名》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 011; Destination: test1\oYQut39Uyww-NA  - 011 10.From Up on Poppy Hill - Sayonara no Natsu - Kokuriko-zaka kara來自紅花坂《道別的夏天》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 012; Destination: test1\oYQut39Uyww-NA  - 012 11.Whisper of the Heart - Take Me Home心之谷《鄉村路帶我回家》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 013; Destination: test1\oYQut39Uyww-NA  - 013 12.Kiki's Delivery Service - Message By Rouge魔女
宅急便《口紅的傳言》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 014; Destination: test1\oYQut39Uyww-NA  - 014 13.My Neighbor Totoro - Stroll龍貓《散步 》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 015; Destination: test1\oYQut39Uyww-NA  - 015 14.Tales from Earthsea - Teru's Song地海戰記《瑟魯之歌》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 016; Destination: test1\oYQut39Uyww-NA  - 016 15.The Secret World of Arrietty - Arrietty's Song
借物少女艾莉緹《艾莉緹之歌》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 017; Destination: test1\oYQut39Uyww-NA  - 017 16.Ponyo - Ponyo on the Cliff by the Sea崖上的波妞《崖上的波妞》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 018; Destination: test1\oYQut39Uyww-NA  - 018 17.Nausicaä of the Valley of the Wind - Nausicaa Requiem風之谷《娜烏西卡安魂曲》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 019; Destination: test1\oYQut39Uyww-NA  - 019 18.The Promise of the World霍爾的移動城堡《世界的
約定》 [oYQut39Uyww].mp4
[SplitChapters] Chapter 020; Destination: test1\oYQut39Uyww-NA  - 020 19.Spirited Away - Reprise神隱少女《重新開始》 [oYQut39Uyww].mp4

编辑于 2023-01-09 09:55・IP 属地海南