Googler bffa253e3a Add initialization data for VP9 and AV1 codec in MatroskaExtractor
Update `MatroskaExtractor` to populate the CSD information for VP9 and AV1 codecs with their codec private data.

For reference: [CodecPrivate for VP9](https://www.webmproject.org/docs/container/#vp9-codec-feature-metadata-codecprivate), [CSD for AV1](https://aomediacodec.github.io/av1-isobmff/#av1codecconfigurationbox-syntax).

PiperOrigin-RevId: 702631838
2024-12-04 01:39:41 -08:00
..
2024-03-29 10:07:56 -07:00

Extractor module

Provides media container extractors and related utilities. Application code will not normally need to depend on this module directly.