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24 commits

Author SHA1 Message Date
Felix S
7a6742b5f9
[webvtt] Fix timestamp overflow adjustment (#698) 
In some streams, empty segments may appear with a bogus, non-monotone MPEG timestamp.
This should not be considered as an overflow

Authored by: fstirlitz
 2021-08-15 21:03:06 +05:30
Felix S
25a3f4f5d6
[webvtt] Merge daisy-chained duplicate cues (#638) 
Fixes: https://github.com/yt-dlp/yt-dlp/issues/631#issuecomment-893338552

Previous deduplication algorithm only removed duplicate cues with
identical text, styles and timestamps.  This change also merges
cues that come in ‘daisy chains’, where sequences of cues with
identical text and styles appear in which the ending timestamp of
one equals the starting timestamp of the next.

This deduplication algorithm has the somewhat unfortunate side effect
that NOTE blocks between cues, if found, will be emitted in a different
order relative to their original cues.  This may be unwanted if perfect
fidelity is desired, but then so is daisy-chain deduplication itself.
NOTE blocks ought to be ignored by WebVTT players in any case.

Authored by: fstirlitz
 2021-08-10 01:52:30 +05:30
pukkandan
a46a815b05
[cleanup] Fix linter in 96fccc101f 2021-08-01 12:52:09 +05:30
pukkandan
96fccc101f [downloader] Allow streaming unmerged formats to stdout using ffmpeg 
For this to work:
1. The downloader must be ffmpeg
2. The selected formats must have the same protocol
3. The formats must be downloadable by ffmpeg to stdout

Partial solution for: https://github.com/ytdl-org/youtube-dl/issues/28146, https://github.com/ytdl-org/youtube-dl/issues/27265
 2021-08-01 12:38:06 +05:30
pukkandan
dbf5416a20 [cleanup] Refactor some code 2021-08-01 12:38:05 +05:30
pukkandan
3ba7740dd8
[downloader] Pass info_dict to progress_hooks 2021-07-22 04:30:11 +05:30
pukkandan
bd4d1ea398
[cleanup] Minor refactoring of fragment 2021-06-24 22:23:33 +05:30
pukkandan
8e897ed283
[fragment] Return status of download correctly 2021-06-24 22:04:23 +05:30
pukkandan
4c7853de14
[fragment] Merge during download for -N, and refactor hls/dash (#364) 2021-06-22 00:29:50 +05:30
pukkandan
e06ca6ddac
[hls] Decrypt fragment when reading from disk 
Closes #373
 2021-06-05 18:51:15 +05:30
pukkandan
d89da64b1d
[hls,dash] When using concurrent_fragment_downloads, do not keep the fragment content in memory 
Partial fix for #359
This is a temporary solution until #364 can be implemented
 2021-05-30 23:01:49 +05:30
pukkandan
5dcd8e1d88
[hls] Disable external downloader for webtt 2021-05-30 23:00:57 +05:30
pukkandan
000ee7ef34
[fragment] Make sure first segment is not skipped 2021-05-09 04:22:26 +05:30
pukkandan
6ef6bcbd6b
[fragment] Ensure the file is closed on error 2021-05-04 22:27:44 +05:30
Felix S
15828bcf25 [downloader/hls] Handle MPEG-2 PES timestamp overflow 2021-04-28 17:21:35 +05:30
Felix S
333217f43e [downloader/hls] Remove duplicate cues using a sliding window of candidates 2021-04-28 17:21:26 +05:30
Felix S
4a2f19abbd [downloader/hls] Assemble single-file WebVTT subtitles from HLS segments 2021-04-28 17:21:14 +05:30
pukkandan
88728713c8
Py2 compatibility for FileNotFoundError 2021-04-26 10:56:53 +05:30
pukkandan
52a8a1e1b9
Option to choose different downloader for different protocols 
* Renamed `--external-downloader-args` to `--downloader-args`
* Added `native` as an option for the downloader
* Use similar syntax to `--downloader-args` etc. Eg: `--downloader dash:native --downloader aria2c`
* Deprecated `--hls-prefer-native` and `--hls-prefer-ffmpeg` since the same can now be done with `--downloader "m3u8:native"` and `m3u8:ffmpeg` respectively
* Split `frag_urls` protocol into `m3u8_frag_urls` and `dash_frag_urls`
* Standardize shortening of protocol names with `downloader.shorten_protocol_name`
 2021-04-10 20:57:52 +05:30
pukkandan
beb4b92a66
More consistent warning messages (#173) 
Co-authored by: Damiano Amatruda <damiano.amatruda@outlook.com>
 2021-03-20 09:34:52 +05:30
shirt
4cf1e5d2f9
Native concurrent downloading of fragments (#166) 
* Option `--concurrent-fragments` (`-N`) to set the number of threads

Related: #165

Known issues:
* When receiving Ctrl+C, the process will exit only after finishing the currently downloading fragments
* The download progress shows the speed of only one thread

Authored by shirt-dev
 2021-03-13 10:16:58 +05:30
pukkandan
0a473f2f0f
More improvements to HLS/DASH external downloader code 
* Fix error when there is no `protocol` in `info_dict`
* Move HLS byte range detection to `Aria2cFD` so that the download will fall back to the native downloader instead of ffmpeg
* Fix bug with getting no fragments in DASH
* Convert `check_results` in `can_download` to a generator
 2021-03-11 22:07:42 +05:30
shirt-dev
d7009caa03
Improve HLS/DASH external downloader code (#162) 
Authored by: shirt
 2021-03-10 20:09:40 +05:30
Pccode66
7a5c1cfe93
Completely change project name to yt-dlp (#85) 
* All modules and binary names are changed
* All documentation references changed
* yt-dlp no longer loads youtube-dlc config files
* All URLs changed to point to organization account

Co-authored-by: Pccode66
Co-authored-by: pukkandan
 2021-02-25 00:15:56 +05:30
Renamed from youtube_dlc/downloader/hls.py (Browse further)