The article explores the performance of four video codecs—VP8, VP9, H.264, and AV1—specifically for screen sharing over WebRTC. It emphasizes the challenges of maintaining high-quality video, noting that different content types demand varying codec characteristics. The author conducted extensive tests, analyzing metrics such as bitrate, frame rate, and CPU load while also considering real-world network issues like packet loss. These tests led to practical recommendations for optimizing screen sharing, stressing the importance of selecting an appropriate codec based on the content's nature to ensure smooth performance.
When screen sharing, the choice of codec is crucial. Key metrics such as bitrate, resolution, and CPU load determine the effectiveness and quality of the shared content.
The performance of a codec can significantly vary based on the type of content shared, with static images needing different handling compared to high-motion video.
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