config.frame_rate_numerator = global_flags.av1_fps_num;
config.frame_rate_denominator = global_flags.av1_fps_den;
config.encoder_bit_depth = global_flags.bit_depth;
+ config.rate_control_mode = 1; // VBR.
config.target_bit_rate = global_flags.av1_bitrate * 1000;
// NOTE: These should be in sync with the ones in quicksync_encoder.cpp (sps_rbsp()).