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Add option --download-sections to download video partially

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Closes #52, Closes #3932
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pukkandan
2022-06-07 01:43:50 +05:30
parent e0ab98541c
commit 5ec1b6b716
7 changed files with 123 additions and 55 deletions
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README.md
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@@ -93,6 +93,8 @@ # NEW FEATURES
* **Cookies from browser**: Cookies can be automatically extracted from all major web browsers using `--cookies-from-browser BROWSER[+KEYRING][:PROFILE]`
* **Download time range**: Videos can be downloaded partially based on either timestamps or chapters using `--download-sections`
* **Split video by chapters**: Videos can be split into multiple files based on chapters using `--split-chapters`
* **Multi-threaded fragment downloads**: Download multiple fragments of m3u8/mpd videos in parallel. Use `--concurrent-fragments` (`-N`) option to set the number of threads used
@@ -555,6 +557,14 @@ ## Download Options:
--no-hls-use-mpegts Do not use the mpegts container for HLS
videos. This is default when not downloading
live streams
--download-sections REGEX Download only chapters whose title matches
the given regular expression. Time ranges
prefixed by a "*" can also be used in place
of chapters to download the specified range.
Eg: --download-sections "*10:15-15:00"
--download-sections "intro". Needs ffmpeg.
This option can be used multiple times to
download multiple sections
--downloader [PROTO:]NAME Name or path of the external downloader to
use (optionally) prefixed by the protocols
(http, ftp, m3u8, dash, rstp, rtmp, mms) to
@@ -997,18 +1007,16 @@ ## Post-Processing Options:
--no-split-chapters Do not split video based on chapters
(default)
--remove-chapters REGEX Remove chapters whose title matches the
given regular expression. Time ranges
prefixed by a "*" can also be used in place
of chapters to remove the specified range.
Eg: --remove-chapters "*10:15-15:00"
--remove-chapters "intro". This option can
given regular expression. The syntax is the
same as --download-sections. This option can
be used multiple times
--no-remove-chapters Do not remove any chapters from the file
(default)
--force-keyframes-at-cuts Force keyframes around chapters when
removing/splitting them. This is slow due to
needing a re-encode, but the resulting video
may have fewer artifacts around the cuts
--force-keyframes-at-cuts Force keyframes at cuts when
downloading/splitting/removing sections.
This is slow due to needing a re-encode, but
the resulting video may have fewer artifacts
around the cuts
--no-force-keyframes-at-cuts Do not force keyframes around the chapters
when cutting/splitting (default)
--use-postprocessor NAME[:ARGS]
@@ -1286,7 +1294,7 @@ # OUTPUT TEMPLATE
- `disc_number` (numeric): Number of the disc or other physical medium the track belongs to
- `release_year` (numeric): Year (YYYY) when the album was released
Available for `chapter:` prefix when using `--split-chapters` for videos with internal chapters:
Available only when using `--download-sections` and for `chapter:` prefix when using `--split-chapters` for videos with internal chapters:
- `section_title` (string): Title of the chapter
- `section_number` (numeric): Number of the chapter within the file