MediaPlayer don't support VP9 and Opus codecs

[X512]

This is hrev50152.

MediaPlayer show "General system error" when trying to open webm video with VP9 video and Opus audio codecs. WebPositive play this file, but with lags.

MediaPlayer write following in Terminal:

[matroska,webm @ 0x18399cb8] Unknown entry 0x56AA
[matroska,webm @ 0x18399cb8] Unknown entry 0x56BB
[matroska,webm @ 0x18399cb8] Unknown/unsupported CodecID V_VP9.
[matroska,webm @ 0x18399cb8] Unknown/unsupported CodecID A_OPUS.
[matroska,webm @ 0x18399cb8] max_analyze_duration 5000000 reached at 5005000
[matroska,webm @ 0x18399cb8] decoding for stream 0 failed
[matroska,webm @ 0x18399cb8] Could not find codec parameters (Video: none, 1920x1080)
[matroska,webm @ 0x18399cb8] decoding for stream 1 failed
[matroska,webm @ 0x18399cb8] Could not find codec parameters (Audio: none, 48000 Hz, 2 channels)
Controller::SetTo: InitCheck failed

As I understand Haiku use ffmpeg so enabling this codecs should be not difficult.