Which codec provides native WebRTC-based video chat support in browsers such as Mozilla Firefox?

Question

Options

• AH.265
• BWMV
• CH.264
• DG.711
• EH.323

• A
  7% (4)
• B
  2% (1)
• C
  88% (52)
• D
  3% (2)

Explanation

H.264 (C) is the video codec that provides native WebRTC-based video chat support in browsers including Mozilla Firefox. The WebRTC standard mandates H.264 as one of its required video codecs (along with VP8), and Firefox has native H.264 support for WebRTC sessions. The other options are incorrect for different reasons: H.265 (A) is a newer, more efficient codec but is not a mandatory WebRTC codec and lacks broad native browser support; WMV (B) is a proprietary Windows Media Video format not used in WebRTC; G.711 (D) is an audio codec (PCM), not a video codec; and H.323 (E) is an umbrella signaling protocol for multimedia communications over packet networks, not a codec itself.

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