FFmpegH264Encoder is to use the FFmpeg library to encode video YUV data into H264 data. On C3V we will use the encoder named h264_v4l2m2m which is a hardware encoder.
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This is a sample of H264 encoding using FFmpegH264Encoder. FFmpegV4L2VideoSource provides the yuv source, then gets the yuv frame from FFmpegVideoProvider and sends it to the encoder.
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