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Xavier Laffargue f6a1a35e28 fix: HLS identity key added inappropriately (#1499 )

The `SimpleHlsNotifier::NotifyEncryptionUpdate` method was modified : 
When this method is called with the Common System ID, it now checks if
the stream's encryption method is CENC. If it is CENC, the notifier
skips adding the EXT-X-KEY tag with KEYFORMAT="identity", as CENC
content should be handled by the specific DRM system's key format (e.g.,
Widevine's urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed).

Closes #1439

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Co-authored-by: Joey Parrish <joeyparrish@google.com>

2025-08-08 10:37:11 -07:00

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chore(main): release 3.4.2 (#1473 )

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README.md

Shaka Packager is a tool and a media packaging SDK for DASH and HLS packaging and encryption. It can prepare and package media content for online streaming.

Shaka Packager supports:

Both Video-On-Demand and Live.
Streaming formats:
- DASH
- HLS
Key systems:
- Widevine
- PlayReady¹
- FairPlay¹
- Marlin¹
Encryption standards:
- CENC
- SAMPLE-AES

Media Containers and codecs

Codecs	ISO-BMFF	WebM	MPEG2-TS	WVM	Packed Audio²
H264 (AVC)	I / O	-	I / O	I	-
H265 (HEVC)	I / O	-	I	-	-
VP8	I / O	I / O	-	-	-
VP9	I / O	I / O	-	-	-
AV1	I / O	I / O	-	-	-
AAC	I / O	-	I / O	I	O
MP3	O	-	I / O	-	O
Dolby AC3	I / O	-	I / O	-	O
Dolby EAC3	I / O	-	O	-	O
MPEG-H Audio	I / O	-	-	-	-
Dolby AC4	I / O	-	-	-	-
DTS	I / O	-	-	-	-
FLAC	I / O	-	-	-	-
Opus	I / O³	I / O	-	-	-
Vorbis	-	I / O	-	-	-
IAMF	I / O	-	-	-	-

NOTES:

I for input and O for output.
²: https://tools.ietf.org/html/draft-pantos-http-live-streaming-23#section-3.4
³: Opus support in ISO-BMFF is experimental.

Subtitles

Format Input Output

Text WebVTT Y Y

WebVTT in MP4 #405 Y

Text TTML ⁴ Y

TTML in MP4 - Y

DVB-SUB Y -

Teletext #272 -
- ⁴: TTML input is only supported with TTML output (pass-through, DASH only), see also #584.

Format	Input	Output
Text WebVTT	Y	Y
WebVTT in MP4	#405	Y
Text TTML	⁴	Y
TTML in MP4	-	Y
DVB-SUB	Y	-
Teletext	#272	-

Platforms
- Linux
- Mac
- Windows
- Cross compiling for ARM is also supported.

^{1: Limited support}

Getting Shaka Packager

There are several ways you can get Shaka Packager.

Using Docker. Instructions are available here.
Get prebuilt binaries from release.
Built from source, see Build Instructions for details.

Useful Links

Announcement List (join for infrequent announcements and surveys)
Subscribe to releases by following instructions from this blog
Documentation
Tutorials
Several open source players:

Contributing

If you have improvements or fixes, we would love to have your contributions. See https://github.com/shaka-project/shaka-packager/blob/main/CONTRIBUTING.md for details.